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-rw-r--r--include/llvm/Support/CFG.h6
-rw-r--r--include/llvm/Support/CommandLine.h148
-rw-r--r--include/llvm/Support/DataStream.h38
-rw-r--r--include/llvm/Support/Dwarf.h5
-rw-r--r--include/llvm/Support/Endian.h12
-rw-r--r--include/llvm/Support/InstVisitor.h1
-rw-r--r--include/llvm/Support/JSONParser.h448
-rw-r--r--include/llvm/Support/LockFileManager.h74
-rw-r--r--include/llvm/Support/MemoryObject.h11
-rw-r--r--include/llvm/Support/PatternMatch.h91
-rw-r--r--include/llvm/Support/Process.h3
-rw-r--r--include/llvm/Support/Recycler.h3
-rw-r--r--include/llvm/Support/SaveAndRestore.h47
-rw-r--r--include/llvm/Support/StreamableMemoryObject.h181
-rw-r--r--include/llvm/Support/TargetRegistry.h6
-rw-r--r--include/llvm/Support/system_error.h15
-rw-r--r--include/llvm/Support/type_traits.h61
17 files changed, 1012 insertions, 138 deletions
diff --git a/include/llvm/Support/CFG.h b/include/llvm/Support/CFG.h
index 6e354f9..f5dc8ea 100644
--- a/include/llvm/Support/CFG.h
+++ b/include/llvm/Support/CFG.h
@@ -71,6 +71,12 @@ public:
unsigned getOperandNo() const {
return It.getOperandNo();
}
+
+ /// getUse - Return the operand Use in the predecessor's terminator
+ /// of the successor.
+ Use &getUse() const {
+ return It.getUse();
+ }
};
typedef PredIterator<BasicBlock, Value::use_iterator> pred_iterator;
diff --git a/include/llvm/Support/CommandLine.h b/include/llvm/Support/CommandLine.h
index a2990e4..c212d2d 100644
--- a/include/llvm/Support/CommandLine.h
+++ b/include/llvm/Support/CommandLine.h
@@ -40,7 +40,7 @@ namespace cl {
//===----------------------------------------------------------------------===//
// ParseCommandLineOptions - Command line option processing entry point.
//
-void ParseCommandLineOptions(int argc, char **argv,
+void ParseCommandLineOptions(int argc, const char * const *argv,
const char *Overview = 0,
bool ReadResponseFiles = false);
@@ -83,10 +83,10 @@ void MarkOptionsChanged();
//
enum NumOccurrencesFlag { // Flags for the number of occurrences allowed
- Optional = 0x01, // Zero or One occurrence
- ZeroOrMore = 0x02, // Zero or more occurrences allowed
- Required = 0x03, // One occurrence required
- OneOrMore = 0x04, // One or more occurrences required
+ Optional = 0x00, // Zero or One occurrence
+ ZeroOrMore = 0x01, // Zero or more occurrences allowed
+ Required = 0x02, // One occurrence required
+ OneOrMore = 0x03, // One or more occurrences required
// ConsumeAfter - Indicates that this option is fed anything that follows the
// last positional argument required by the application (it is an error if
@@ -95,23 +95,20 @@ enum NumOccurrencesFlag { // Flags for the number of occurrences allowed
// found. Once a filename is found, all of the succeeding arguments are
// passed, unprocessed, to the ConsumeAfter option.
//
- ConsumeAfter = 0x05,
-
- OccurrencesMask = 0x07
+ ConsumeAfter = 0x04
};
enum ValueExpected { // Is a value required for the option?
- ValueOptional = 0x08, // The value can appear... or not
- ValueRequired = 0x10, // The value is required to appear!
- ValueDisallowed = 0x18, // A value may not be specified (for flags)
- ValueMask = 0x18
+ // zero reserved for the unspecified value
+ ValueOptional = 0x01, // The value can appear... or not
+ ValueRequired = 0x02, // The value is required to appear!
+ ValueDisallowed = 0x03 // A value may not be specified (for flags)
};
enum OptionHidden { // Control whether -help shows this option
- NotHidden = 0x20, // Option included in -help & -help-hidden
- Hidden = 0x40, // -help doesn't, but -help-hidden does
- ReallyHidden = 0x60, // Neither -help nor -help-hidden show this arg
- HiddenMask = 0x60
+ NotHidden = 0x00, // Option included in -help & -help-hidden
+ Hidden = 0x01, // -help doesn't, but -help-hidden does
+ ReallyHidden = 0x02 // Neither -help nor -help-hidden show this arg
};
// Formatting flags - This controls special features that the option might have
@@ -130,18 +127,16 @@ enum OptionHidden { // Control whether -help shows this option
//
enum FormattingFlags {
- NormalFormatting = 0x000, // Nothing special
- Positional = 0x080, // Is a positional argument, no '-' required
- Prefix = 0x100, // Can this option directly prefix its value?
- Grouping = 0x180, // Can this option group with other options?
- FormattingMask = 0x180 // Union of the above flags.
+ NormalFormatting = 0x00, // Nothing special
+ Positional = 0x01, // Is a positional argument, no '-' required
+ Prefix = 0x02, // Can this option directly prefix its value?
+ Grouping = 0x03 // Can this option group with other options?
};
enum MiscFlags { // Miscellaneous flags to adjust argument
- CommaSeparated = 0x200, // Should this cl::list split between commas?
- PositionalEatsArgs = 0x400, // Should this positional cl::list eat -args?
- Sink = 0x800, // Should this cl::list eat all unknown options?
- MiscMask = 0xE00 // Union of the above flags.
+ CommaSeparated = 0x01, // Should this cl::list split between commas?
+ PositionalEatsArgs = 0x02, // Should this positional cl::list eat -args?
+ Sink = 0x04 // Should this cl::list eat all unknown options?
};
@@ -168,7 +163,15 @@ class Option {
virtual void anchor();
int NumOccurrences; // The number of times specified
- int Flags; // Flags for the argument
+ // Occurrences, HiddenFlag, and Formatting are all enum types but to avoid
+ // problems with signed enums in bitfields.
+ unsigned Occurrences : 3; // enum NumOccurrencesFlag
+ // not using the enum type for 'Value' because zero is an implementation
+ // detail representing the non-value
+ unsigned Value : 2;
+ unsigned HiddenFlag : 2; // enum OptionHidden
+ unsigned Formatting : 2; // enum FormattingFlags
+ unsigned Misc : 3;
unsigned Position; // Position of last occurrence of the option
unsigned AdditionalVals;// Greater than 0 for multi-valued option.
Option *NextRegistered; // Singly linked list of registered options.
@@ -178,21 +181,20 @@ public:
const char *ValueStr; // String describing what the value of this option is
inline enum NumOccurrencesFlag getNumOccurrencesFlag() const {
- return static_cast<enum NumOccurrencesFlag>(Flags & OccurrencesMask);
+ return (enum NumOccurrencesFlag)Occurrences;
}
inline enum ValueExpected getValueExpectedFlag() const {
- int VE = Flags & ValueMask;
- return VE ? static_cast<enum ValueExpected>(VE)
+ return Value ? ((enum ValueExpected)Value)
: getValueExpectedFlagDefault();
}
inline enum OptionHidden getOptionHiddenFlag() const {
- return static_cast<enum OptionHidden>(Flags & HiddenMask);
+ return (enum OptionHidden)HiddenFlag;
}
inline enum FormattingFlags getFormattingFlag() const {
- return static_cast<enum FormattingFlags>(Flags & FormattingMask);
+ return (enum FormattingFlags)Formatting;
}
inline unsigned getMiscFlags() const {
- return Flags & MiscMask;
+ return Misc;
}
inline unsigned getPosition() const { return Position; }
inline unsigned getNumAdditionalVals() const { return AdditionalVals; }
@@ -206,27 +208,21 @@ public:
void setArgStr(const char *S) { ArgStr = S; }
void setDescription(const char *S) { HelpStr = S; }
void setValueStr(const char *S) { ValueStr = S; }
-
- void setFlag(unsigned Flag, unsigned FlagMask) {
- Flags &= ~FlagMask;
- Flags |= Flag;
- }
-
void setNumOccurrencesFlag(enum NumOccurrencesFlag Val) {
- setFlag(Val, OccurrencesMask);
+ Occurrences = Val;
}
- void setValueExpectedFlag(enum ValueExpected Val) { setFlag(Val, ValueMask); }
- void setHiddenFlag(enum OptionHidden Val) { setFlag(Val, HiddenMask); }
- void setFormattingFlag(enum FormattingFlags V) { setFlag(V, FormattingMask); }
- void setMiscFlag(enum MiscFlags M) { setFlag(M, M); }
+ void setValueExpectedFlag(enum ValueExpected Val) { Value = Val; }
+ void setHiddenFlag(enum OptionHidden Val) { HiddenFlag = Val; }
+ void setFormattingFlag(enum FormattingFlags V) { Formatting = V; }
+ void setMiscFlag(enum MiscFlags M) { Misc |= M; }
void setPosition(unsigned pos) { Position = pos; }
protected:
- explicit Option(unsigned DefaultFlags)
- : NumOccurrences(0), Flags(DefaultFlags | NormalFormatting), Position(0),
+ explicit Option(enum NumOccurrencesFlag Occurrences,
+ enum OptionHidden Hidden)
+ : NumOccurrences(0), Occurrences(Occurrences), HiddenFlag(Hidden),
+ Formatting(NormalFormatting), Position(0),
AdditionalVals(0), NextRegistered(0),
ArgStr(""), HelpStr(""), ValueStr("") {
- assert(getNumOccurrencesFlag() != 0 &&
- getOptionHiddenFlag() != 0 && "Not all default flags specified!");
}
inline void setNumAdditionalVals(unsigned n) { AdditionalVals = n; }
@@ -341,7 +337,7 @@ struct OptionValueBase : public GenericOptionValue {
bool hasValue() const { return false; }
- const DataType &getValue() const { assert(false && "no default value"); }
+ const DataType &getValue() const { llvm_unreachable("no default value"); }
// Some options may take their value from a different data type.
template<class DT>
@@ -1177,14 +1173,14 @@ public:
// One option...
template<class M0t>
- explicit opt(const M0t &M0) : Option(Optional | NotHidden) {
+ explicit opt(const M0t &M0) : Option(Optional, NotHidden) {
apply(M0, this);
done();
}
// Two options...
template<class M0t, class M1t>
- opt(const M0t &M0, const M1t &M1) : Option(Optional | NotHidden) {
+ opt(const M0t &M0, const M1t &M1) : Option(Optional, NotHidden) {
apply(M0, this); apply(M1, this);
done();
}
@@ -1192,21 +1188,21 @@ public:
// Three options...
template<class M0t, class M1t, class M2t>
opt(const M0t &M0, const M1t &M1,
- const M2t &M2) : Option(Optional | NotHidden) {
+ const M2t &M2) : Option(Optional, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this);
done();
}
// Four options...
template<class M0t, class M1t, class M2t, class M3t>
opt(const M0t &M0, const M1t &M1, const M2t &M2,
- const M3t &M3) : Option(Optional | NotHidden) {
+ const M3t &M3) : Option(Optional, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this); apply(M3, this);
done();
}
// Five options...
template<class M0t, class M1t, class M2t, class M3t, class M4t>
opt(const M0t &M0, const M1t &M1, const M2t &M2, const M3t &M3,
- const M4t &M4) : Option(Optional | NotHidden) {
+ const M4t &M4) : Option(Optional, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this); apply(M3, this);
apply(M4, this);
done();
@@ -1215,7 +1211,7 @@ public:
template<class M0t, class M1t, class M2t, class M3t,
class M4t, class M5t>
opt(const M0t &M0, const M1t &M1, const M2t &M2, const M3t &M3,
- const M4t &M4, const M5t &M5) : Option(Optional | NotHidden) {
+ const M4t &M4, const M5t &M5) : Option(Optional, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this); apply(M3, this);
apply(M4, this); apply(M5, this);
done();
@@ -1225,7 +1221,7 @@ public:
class M4t, class M5t, class M6t>
opt(const M0t &M0, const M1t &M1, const M2t &M2, const M3t &M3,
const M4t &M4, const M5t &M5,
- const M6t &M6) : Option(Optional | NotHidden) {
+ const M6t &M6) : Option(Optional, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this); apply(M3, this);
apply(M4, this); apply(M5, this); apply(M6, this);
done();
@@ -1235,7 +1231,7 @@ public:
class M4t, class M5t, class M6t, class M7t>
opt(const M0t &M0, const M1t &M1, const M2t &M2, const M3t &M3,
const M4t &M4, const M5t &M5, const M6t &M6,
- const M7t &M7) : Option(Optional | NotHidden) {
+ const M7t &M7) : Option(Optional, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this); apply(M3, this);
apply(M4, this); apply(M5, this); apply(M6, this); apply(M7, this);
done();
@@ -1344,34 +1340,34 @@ public:
// One option...
template<class M0t>
- explicit list(const M0t &M0) : Option(ZeroOrMore | NotHidden) {
+ explicit list(const M0t &M0) : Option(ZeroOrMore, NotHidden) {
apply(M0, this);
done();
}
// Two options...
template<class M0t, class M1t>
- list(const M0t &M0, const M1t &M1) : Option(ZeroOrMore | NotHidden) {
+ list(const M0t &M0, const M1t &M1) : Option(ZeroOrMore, NotHidden) {
apply(M0, this); apply(M1, this);
done();
}
// Three options...
template<class M0t, class M1t, class M2t>
list(const M0t &M0, const M1t &M1, const M2t &M2)
- : Option(ZeroOrMore | NotHidden) {
+ : Option(ZeroOrMore, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this);
done();
}
// Four options...
template<class M0t, class M1t, class M2t, class M3t>
list(const M0t &M0, const M1t &M1, const M2t &M2, const M3t &M3)
- : Option(ZeroOrMore | NotHidden) {
+ : Option(ZeroOrMore, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this); apply(M3, this);
done();
}
// Five options...
template<class M0t, class M1t, class M2t, class M3t, class M4t>
list(const M0t &M0, const M1t &M1, const M2t &M2, const M3t &M3,
- const M4t &M4) : Option(ZeroOrMore | NotHidden) {
+ const M4t &M4) : Option(ZeroOrMore, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this); apply(M3, this);
apply(M4, this);
done();
@@ -1380,7 +1376,7 @@ public:
template<class M0t, class M1t, class M2t, class M3t,
class M4t, class M5t>
list(const M0t &M0, const M1t &M1, const M2t &M2, const M3t &M3,
- const M4t &M4, const M5t &M5) : Option(ZeroOrMore | NotHidden) {
+ const M4t &M4, const M5t &M5) : Option(ZeroOrMore, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this); apply(M3, this);
apply(M4, this); apply(M5, this);
done();
@@ -1390,7 +1386,7 @@ public:
class M4t, class M5t, class M6t>
list(const M0t &M0, const M1t &M1, const M2t &M2, const M3t &M3,
const M4t &M4, const M5t &M5, const M6t &M6)
- : Option(ZeroOrMore | NotHidden) {
+ : Option(ZeroOrMore, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this); apply(M3, this);
apply(M4, this); apply(M5, this); apply(M6, this);
done();
@@ -1400,7 +1396,7 @@ public:
class M4t, class M5t, class M6t, class M7t>
list(const M0t &M0, const M1t &M1, const M2t &M2, const M3t &M3,
const M4t &M4, const M5t &M5, const M6t &M6,
- const M7t &M7) : Option(ZeroOrMore | NotHidden) {
+ const M7t &M7) : Option(ZeroOrMore, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this); apply(M3, this);
apply(M4, this); apply(M5, this); apply(M6, this); apply(M7, this);
done();
@@ -1542,34 +1538,34 @@ public:
// One option...
template<class M0t>
- explicit bits(const M0t &M0) : Option(ZeroOrMore | NotHidden) {
+ explicit bits(const M0t &M0) : Option(ZeroOrMore, NotHidden) {
apply(M0, this);
done();
}
// Two options...
template<class M0t, class M1t>
- bits(const M0t &M0, const M1t &M1) : Option(ZeroOrMore | NotHidden) {
+ bits(const M0t &M0, const M1t &M1) : Option(ZeroOrMore, NotHidden) {
apply(M0, this); apply(M1, this);
done();
}
// Three options...
template<class M0t, class M1t, class M2t>
bits(const M0t &M0, const M1t &M1, const M2t &M2)
- : Option(ZeroOrMore | NotHidden) {
+ : Option(ZeroOrMore, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this);
done();
}
// Four options...
template<class M0t, class M1t, class M2t, class M3t>
bits(const M0t &M0, const M1t &M1, const M2t &M2, const M3t &M3)
- : Option(ZeroOrMore | NotHidden) {
+ : Option(ZeroOrMore, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this); apply(M3, this);
done();
}
// Five options...
template<class M0t, class M1t, class M2t, class M3t, class M4t>
bits(const M0t &M0, const M1t &M1, const M2t &M2, const M3t &M3,
- const M4t &M4) : Option(ZeroOrMore | NotHidden) {
+ const M4t &M4) : Option(ZeroOrMore, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this); apply(M3, this);
apply(M4, this);
done();
@@ -1578,7 +1574,7 @@ public:
template<class M0t, class M1t, class M2t, class M3t,
class M4t, class M5t>
bits(const M0t &M0, const M1t &M1, const M2t &M2, const M3t &M3,
- const M4t &M4, const M5t &M5) : Option(ZeroOrMore | NotHidden) {
+ const M4t &M4, const M5t &M5) : Option(ZeroOrMore, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this); apply(M3, this);
apply(M4, this); apply(M5, this);
done();
@@ -1588,7 +1584,7 @@ public:
class M4t, class M5t, class M6t>
bits(const M0t &M0, const M1t &M1, const M2t &M2, const M3t &M3,
const M4t &M4, const M5t &M5, const M6t &M6)
- : Option(ZeroOrMore | NotHidden) {
+ : Option(ZeroOrMore, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this); apply(M3, this);
apply(M4, this); apply(M5, this); apply(M6, this);
done();
@@ -1598,7 +1594,7 @@ public:
class M4t, class M5t, class M6t, class M7t>
bits(const M0t &M0, const M1t &M1, const M2t &M2, const M3t &M3,
const M4t &M4, const M5t &M5, const M6t &M6,
- const M7t &M7) : Option(ZeroOrMore | NotHidden) {
+ const M7t &M7) : Option(ZeroOrMore, NotHidden) {
apply(M0, this); apply(M1, this); apply(M2, this); apply(M3, this);
apply(M4, this); apply(M5, this); apply(M6, this); apply(M7, this);
done();
@@ -1638,27 +1634,27 @@ public:
// One option...
template<class M0t>
- explicit alias(const M0t &M0) : Option(Optional | Hidden), AliasFor(0) {
+ explicit alias(const M0t &M0) : Option(Optional, Hidden), AliasFor(0) {
apply(M0, this);
done();
}
// Two options...
template<class M0t, class M1t>
- alias(const M0t &M0, const M1t &M1) : Option(Optional | Hidden), AliasFor(0) {
+ alias(const M0t &M0, const M1t &M1) : Option(Optional, Hidden), AliasFor(0) {
apply(M0, this); apply(M1, this);
done();
}
// Three options...
template<class M0t, class M1t, class M2t>
alias(const M0t &M0, const M1t &M1, const M2t &M2)
- : Option(Optional | Hidden), AliasFor(0) {
+ : Option(Optional, Hidden), AliasFor(0) {
apply(M0, this); apply(M1, this); apply(M2, this);
done();
}
// Four options...
template<class M0t, class M1t, class M2t, class M3t>
alias(const M0t &M0, const M1t &M1, const M2t &M2, const M3t &M3)
- : Option(Optional | Hidden), AliasFor(0) {
+ : Option(Optional, Hidden), AliasFor(0) {
apply(M0, this); apply(M1, this); apply(M2, this); apply(M3, this);
done();
}
diff --git a/include/llvm/Support/DataStream.h b/include/llvm/Support/DataStream.h
new file mode 100644
index 0000000..fedb0c9
--- /dev/null
+++ b/include/llvm/Support/DataStream.h
@@ -0,0 +1,38 @@
+//===---- llvm/Support/DataStream.h - Lazy bitcode streaming ----*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This header defines DataStreamer, which fetches bytes of data from
+// a stream source. It provides support for streaming (lazy reading) of
+// data, e.g. bitcode
+//
+//===----------------------------------------------------------------------===//
+
+
+#ifndef LLVM_SUPPORT_DATASTREAM_H_
+#define LLVM_SUPPORT_DATASTREAM_H_
+
+#include <string>
+
+namespace llvm {
+
+class DataStreamer {
+public:
+ /// Fetch bytes [start-end) from the stream, and write them to the
+ /// buffer pointed to by buf. Returns the number of bytes actually written.
+ virtual size_t GetBytes(unsigned char *buf, size_t len) = 0;
+
+ virtual ~DataStreamer();
+};
+
+DataStreamer *getDataFileStreamer(const std::string &Filename,
+ std::string *Err);
+
+}
+
+#endif // LLVM_SUPPORT_DATASTREAM_H_
diff --git a/include/llvm/Support/Dwarf.h b/include/llvm/Support/Dwarf.h
index 357f555a..e57fbf7 100644
--- a/include/llvm/Support/Dwarf.h
+++ b/include/llvm/Support/Dwarf.h
@@ -22,7 +22,8 @@ namespace llvm {
// Debug info constants.
enum {
- LLVMDebugVersion = (11 << 16), // Current version of debug information.
+ LLVMDebugVersion = (12 << 16), // Current version of debug information.
+ LLVMDebugVersion11 = (11 << 16), // Constant for version 11.
LLVMDebugVersion10 = (10 << 16), // Constant for version 10.
LLVMDebugVersion9 = (9 << 16), // Constant for version 9.
LLVMDebugVersion8 = (8 << 16), // Constant for version 8.
@@ -130,6 +131,7 @@ enum dwarf_constants {
DW_TAG_GNU_template_parameter_pack = 0x4107,
DW_TAG_GNU_formal_parameter_pack = 0x4108,
DW_TAG_lo_user = 0x4080,
+ DW_TAG_APPLE_Property = 0x4200,
DW_TAG_hi_user = 0xffff,
// Children flag
@@ -269,6 +271,7 @@ enum dwarf_constants {
DW_AT_APPLE_property_setter = 0x3fea,
DW_AT_APPLE_property_attribute = 0x3feb,
DW_AT_APPLE_objc_complete_type = 0x3fec,
+ DW_AT_APPLE_property = 0x3fed,
// Attribute form encodings
DW_FORM_addr = 0x01,
diff --git a/include/llvm/Support/Endian.h b/include/llvm/Support/Endian.h
index af1b506..733ab75 100644
--- a/include/llvm/Support/Endian.h
+++ b/include/llvm/Support/Endian.h
@@ -98,6 +98,9 @@ public:
operator value_type() const {
return endian::read_le<value_type, unaligned>(Value);
}
+ void operator=(value_type newValue) {
+ endian::write_le<value_type, unaligned>((void *)&Value, newValue);
+ }
private:
uint8_t Value[sizeof(value_type)];
};
@@ -108,6 +111,9 @@ public:
operator value_type() const {
return endian::read_be<value_type, unaligned>(Value);
}
+ void operator=(value_type newValue) {
+ endian::write_be<value_type, unaligned>((void *)&Value, newValue);
+ }
private:
uint8_t Value[sizeof(value_type)];
};
@@ -118,6 +124,9 @@ public:
operator value_type() const {
return endian::read_le<value_type, aligned>(&Value);
}
+ void operator=(value_type newValue) {
+ endian::write_le<value_type, aligned>((void *)&Value, newValue);
+ }
private:
value_type Value;
};
@@ -128,6 +137,9 @@ public:
operator value_type() const {
return endian::read_be<value_type, aligned>(&Value);
}
+ void operator=(value_type newValue) {
+ endian::write_be<value_type, aligned>((void *)&Value, newValue);
+ }
private:
value_type Value;
};
diff --git a/include/llvm/Support/InstVisitor.h b/include/llvm/Support/InstVisitor.h
index a661c4f..4b1f3c9 100644
--- a/include/llvm/Support/InstVisitor.h
+++ b/include/llvm/Support/InstVisitor.h
@@ -162,7 +162,6 @@ public:
RetTy visitSwitchInst(SwitchInst &I) { DELEGATE(TerminatorInst);}
RetTy visitIndirectBrInst(IndirectBrInst &I) { DELEGATE(TerminatorInst);}
RetTy visitInvokeInst(InvokeInst &I) { DELEGATE(TerminatorInst);}
- RetTy visitUnwindInst(UnwindInst &I) { DELEGATE(TerminatorInst);}
RetTy visitResumeInst(ResumeInst &I) { DELEGATE(TerminatorInst);}
RetTy visitUnreachableInst(UnreachableInst &I) { DELEGATE(TerminatorInst);}
RetTy visitICmpInst(ICmpInst &I) { DELEGATE(CmpInst);}
diff --git a/include/llvm/Support/JSONParser.h b/include/llvm/Support/JSONParser.h
new file mode 100644
index 0000000..11149f1
--- /dev/null
+++ b/include/llvm/Support/JSONParser.h
@@ -0,0 +1,448 @@
+//===--- JSONParser.h - Simple JSON parser ----------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements a JSON parser.
+//
+// See http://www.json.org/ for an overview.
+// See http://www.ietf.org/rfc/rfc4627.txt for the full standard.
+//
+// FIXME: Currently this supports a subset of JSON. Specifically, support
+// for numbers, booleans and null for values is missing.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_SUPPORT_JSON_PARSER_H
+#define LLVM_SUPPORT_JSON_PARSER_H
+
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Support/Allocator.h"
+#include "llvm/Support/Casting.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/SourceMgr.h"
+
+namespace llvm {
+
+class JSONContainer;
+class JSONString;
+class JSONValue;
+class JSONKeyValuePair;
+
+/// \brief Base class for a parsable JSON atom.
+///
+/// This class has no semantics other than being a unit of JSON data which can
+/// be parsed out of a JSON document.
+class JSONAtom {
+public:
+ /// \brief Possible types of JSON objects.
+ enum Kind { JK_KeyValuePair, JK_Array, JK_Object, JK_String };
+
+ /// \brief Returns the type of this value.
+ Kind getKind() const { return MyKind; }
+
+ static bool classof(const JSONAtom *Atom) { return true; }
+
+protected:
+ JSONAtom(Kind MyKind) : MyKind(MyKind) {}
+
+private:
+ Kind MyKind;
+};
+
+/// \brief A parser for JSON text.
+///
+/// Use an object of JSONParser to iterate over the values of a JSON text.
+/// All objects are parsed during the iteration, so you can only iterate once
+/// over the JSON text, but the cost of partial iteration is minimized.
+/// Create a new JSONParser if you want to iterate multiple times.
+class JSONParser {
+public:
+ /// \brief Create a JSONParser for the given input.
+ ///
+ /// Parsing is started via parseRoot(). Access to the object returned from
+ /// parseRoot() will parse the input lazily.
+ JSONParser(StringRef Input, SourceMgr *SM);
+
+ /// \brief Returns the outermost JSON value (either an array or an object).
+ ///
+ /// Can return NULL if the input does not start with an array or an object.
+ /// The object is not parsed yet - the caller must iterate over the
+ /// returned object to trigger parsing.
+ ///
+ /// A JSONValue can be either a JSONString, JSONObject or JSONArray.
+ JSONValue *parseRoot();
+
+ /// \brief Parses the JSON text and returns whether it is valid JSON.
+ ///
+ /// In case validate() return false, failed() will return true and
+ /// getErrorMessage() will return the parsing error.
+ bool validate();
+
+ /// \brief Returns true if an error occurs during parsing.
+ ///
+ /// If there was an error while parsing an object that was created by
+ /// iterating over the result of 'parseRoot', 'failed' will return true.
+ bool failed() const;
+
+private:
+ /// \brief These methods manage the implementation details of parsing new JSON
+ /// atoms.
+ /// @{
+ JSONString *parseString();
+ JSONValue *parseValue();
+ JSONKeyValuePair *parseKeyValuePair();
+ /// @}
+
+ /// \brief Helpers to parse the elements out of both forms of containers.
+ /// @{
+ const JSONAtom *parseElement(JSONAtom::Kind ContainerKind);
+ StringRef::iterator parseFirstElement(JSONAtom::Kind ContainerKind,
+ char StartChar, char EndChar,
+ const JSONAtom *&Element);
+ StringRef::iterator parseNextElement(JSONAtom::Kind ContainerKind,
+ char EndChar,
+ const JSONAtom *&Element);
+ /// @}
+
+ /// \brief Whitespace parsing.
+ /// @{
+ void nextNonWhitespace();
+ bool isWhitespace();
+ /// @}
+
+ /// \brief These methods are used for error handling.
+ /// {
+ void setExpectedError(StringRef Expected, StringRef Found);
+ void setExpectedError(StringRef Expected, char Found);
+ bool errorIfAtEndOfFile(StringRef Message);
+ bool errorIfNotAt(char C, StringRef Message);
+ /// }
+
+ /// \brief Skips all elements in the given container.
+ bool skipContainer(const JSONContainer &Container);
+
+ /// \brief Skips to the next position behind the given JSON atom.
+ bool skip(const JSONAtom &Atom);
+
+ /// All nodes are allocated by the parser and will be deallocated when the
+ /// parser is destroyed.
+ BumpPtrAllocator ValueAllocator;
+
+ /// \brief The original input to the parser.
+ MemoryBuffer *InputBuffer;
+
+ /// \brief The source manager used for diagnostics and buffer management.
+ SourceMgr *SM;
+
+ /// \brief The current position in the parse stream.
+ StringRef::iterator Position;
+
+ /// \brief The end position for fast EOF checks without introducing
+ /// unnecessary dereferences.
+ StringRef::iterator End;
+
+ /// \brief If true, an error has occurred.
+ bool Failed;
+
+ friend class JSONContainer;
+};
+
+
+/// \brief Base class for JSON value objects.
+///
+/// This object represents an abstract JSON value. It is the root node behind
+/// the group of JSON entities that can represent top-level values in a JSON
+/// document. It has no API, and is just a placeholder in the type hierarchy of
+/// nodes.
+class JSONValue : public JSONAtom {
+protected:
+ JSONValue(Kind MyKind) : JSONAtom(MyKind) {}
+
+public:
+ /// \brief dyn_cast helpers
+ ///@{
+ static bool classof(const JSONAtom *Atom) {
+ switch (Atom->getKind()) {
+ case JK_Array:
+ case JK_Object:
+ case JK_String:
+ return true;
+ case JK_KeyValuePair:
+ return false;
+ }
+ llvm_unreachable("Invalid JSONAtom kind");
+ }
+ static bool classof(const JSONValue *Value) { return true; }
+ ///@}
+};
+
+/// \brief Gives access to the text of a JSON string.
+///
+/// FIXME: Implement a method to return the unescaped text.
+class JSONString : public JSONValue {
+public:
+ /// \brief Returns the underlying parsed text of the string.
+ ///
+ /// This is the unescaped content of the JSON text.
+ /// See http://www.ietf.org/rfc/rfc4627.txt for details.
+ StringRef getRawText() const { return RawText; }
+
+private:
+ JSONString(StringRef RawText) : JSONValue(JK_String), RawText(RawText) {}
+
+ StringRef RawText;
+
+ friend class JSONParser;
+
+public:
+ /// \brief dyn_cast helpers
+ ///@{
+ static bool classof(const JSONAtom *Atom) {
+ return Atom->getKind() == JK_String;
+ }
+ static bool classof(const JSONString *String) { return true; }
+ ///@}
+};
+
+/// \brief A (key, value) tuple of type (JSONString *, JSONValue *).
+///
+/// Note that JSONKeyValuePair is not a JSONValue, it is a bare JSONAtom.
+/// JSONKeyValuePairs can be elements of a JSONObject, but not of a JSONArray.
+/// They are not viable as top-level values either.
+class JSONKeyValuePair : public JSONAtom {
+public:
+ const JSONString * const Key;
+ const JSONValue * const Value;
+
+private:
+ JSONKeyValuePair(const JSONString *Key, const JSONValue *Value)
+ : JSONAtom(JK_KeyValuePair), Key(Key), Value(Value) {}
+
+ friend class JSONParser;
+
+public:
+ /// \brief dyn_cast helpers
+ ///@{
+ static bool classof(const JSONAtom *Atom) {
+ return Atom->getKind() == JK_KeyValuePair;
+ }
+ static bool classof(const JSONKeyValuePair *KeyValuePair) { return true; }
+ ///@}
+};
+
+/// \brief Implementation of JSON containers (arrays and objects).
+///
+/// JSONContainers drive the lazy parsing of JSON arrays and objects via
+/// forward iterators.
+class JSONContainer : public JSONValue {
+private:
+ /// \brief An iterator that parses the underlying container during iteration.
+ ///
+ /// Iterators on the same collection use shared state, so when multiple copies
+ /// of an iterator exist, only one is allowed to be used for iteration;
+ /// iterating multiple copies of an iterator of the same collection will lead
+ /// to undefined behavior.
+ class AtomIterator {
+ public:
+ AtomIterator(const AtomIterator &I) : Container(I.Container) {}
+
+ /// \brief Iterator interface.
+ ///@{
+ bool operator==(const AtomIterator &I) const {
+ if (isEnd() || I.isEnd())
+ return isEnd() == I.isEnd();
+ return Container->Position == I.Container->Position;
+ }
+ bool operator!=(const AtomIterator &I) const {
+ return !(*this == I);
+ }
+ AtomIterator &operator++() {
+ Container->parseNextElement();
+ return *this;
+ }
+ const JSONAtom *operator*() {
+ return Container->Current;
+ }
+ ///@}
+
+ private:
+ /// \brief Create an iterator for which 'isEnd' returns true.
+ AtomIterator() : Container(0) {}
+
+ /// \brief Create an iterator for the given container.
+ AtomIterator(const JSONContainer *Container) : Container(Container) {}
+
+ bool isEnd() const {
+ return Container == 0 || Container->Position == StringRef::iterator();
+ }
+
+ const JSONContainer * const Container;
+
+ friend class JSONContainer;
+ };
+
+protected:
+ /// \brief An iterator for the specified AtomT.
+ ///
+ /// Used for the implementation of iterators for JSONArray and JSONObject.
+ template <typename AtomT>
+ class IteratorTemplate : public std::iterator<std::forward_iterator_tag,
+ const AtomT*> {
+ public:
+ explicit IteratorTemplate(const AtomIterator& AtomI)
+ : AtomI(AtomI) {}
+
+ bool operator==(const IteratorTemplate &I) const {
+ return AtomI == I.AtomI;
+ }
+ bool operator!=(const IteratorTemplate &I) const { return !(*this == I); }
+
+ IteratorTemplate &operator++() {
+ ++AtomI;
+ return *this;
+ }
+
+ const AtomT *operator*() { return dyn_cast<AtomT>(*AtomI); }
+
+ private:
+ AtomIterator AtomI;
+ };
+
+ JSONContainer(JSONParser *Parser, char StartChar, char EndChar,
+ JSONAtom::Kind ContainerKind)
+ : JSONValue(ContainerKind), Parser(Parser),
+ Position(), Current(0), Started(false),
+ StartChar(StartChar), EndChar(EndChar) {}
+
+ /// \brief Returns a lazy parsing iterator over the container.
+ ///
+ /// As the iterator drives the parse stream, begin() must only be called
+ /// once per container.
+ AtomIterator atom_begin() const {
+ if (Started)
+ report_fatal_error("Cannot parse container twice.");
+ Started = true;
+ // Set up the position and current element when we begin iterating over the
+ // container.
+ Position = Parser->parseFirstElement(getKind(), StartChar, EndChar, Current);
+ return AtomIterator(this);
+ }
+ AtomIterator atom_end() const {
+ return AtomIterator();
+ }
+
+private:
+ AtomIterator atom_current() const {
+ if (!Started)
+ return atom_begin();
+
+ return AtomIterator(this);
+ }
+
+ /// \brief Parse the next element in the container into the Current element.
+ ///
+ /// This routine is called as an iterator into this container walks through
+ /// its elements. It mutates the container's internal current node to point to
+ /// the next atom of the container.
+ void parseNextElement() const {
+ Parser->skip(*Current);
+ Position = Parser->parseNextElement(getKind(), EndChar, Current);
+ }
+
+ // For parsing, JSONContainers call back into the JSONParser.
+ JSONParser * const Parser;
+
+ // 'Position', 'Current' and 'Started' store the state of the parse stream
+ // for iterators on the container, they don't change the container's elements
+ // and are thus marked as mutable.
+ mutable StringRef::iterator Position;
+ mutable const JSONAtom *Current;
+ mutable bool Started;
+
+ const char StartChar;
+ const char EndChar;
+
+ friend class JSONParser;
+
+public:
+ /// \brief dyn_cast helpers
+ ///@{
+ static bool classof(const JSONAtom *Atom) {
+ switch (Atom->getKind()) {
+ case JK_Array:
+ case JK_Object:
+ return true;
+ case JK_KeyValuePair:
+ case JK_String:
+ return false;
+ }
+ llvm_unreachable("Invalid JSONAtom kind");
+ }
+ static bool classof(const JSONContainer *Container) { return true; }
+ ///@}
+};
+
+/// \brief A simple JSON array.
+class JSONArray : public JSONContainer {
+public:
+ typedef IteratorTemplate<JSONValue> const_iterator;
+
+ /// \brief Returns a lazy parsing iterator over the container.
+ ///
+ /// As the iterator drives the parse stream, begin() must only be called
+ /// once per container.
+ const_iterator begin() const { return const_iterator(atom_begin()); }
+ const_iterator end() const { return const_iterator(atom_end()); }
+
+private:
+ JSONArray(JSONParser *Parser)
+ : JSONContainer(Parser, '[', ']', JSONAtom::JK_Array) {}
+
+public:
+ /// \brief dyn_cast helpers
+ ///@{
+ static bool classof(const JSONAtom *Atom) {
+ return Atom->getKind() == JSONAtom::JK_Array;
+ }
+ static bool classof(const JSONArray *Array) { return true; }
+ ///@}
+
+ friend class JSONParser;
+};
+
+/// \brief A JSON object: an iterable list of JSON key-value pairs.
+class JSONObject : public JSONContainer {
+public:
+ typedef IteratorTemplate<JSONKeyValuePair> const_iterator;
+
+ /// \brief Returns a lazy parsing iterator over the container.
+ ///
+ /// As the iterator drives the parse stream, begin() must only be called
+ /// once per container.
+ const_iterator begin() const { return const_iterator(atom_begin()); }
+ const_iterator end() const { return const_iterator(atom_end()); }
+
+private:
+ JSONObject(JSONParser *Parser)
+ : JSONContainer(Parser, '{', '}', JSONAtom::JK_Object) {}
+
+public:
+ /// \brief dyn_cast helpers
+ ///@{
+ static bool classof(const JSONAtom *Atom) {
+ return Atom->getKind() == JSONAtom::JK_Object;
+ }
+ static bool classof(const JSONObject *Object) { return true; }
+ ///@}
+
+ friend class JSONParser;
+};
+
+} // end namespace llvm
+
+#endif // LLVM_SUPPORT_JSON_PARSER_H
diff --git a/include/llvm/Support/LockFileManager.h b/include/llvm/Support/LockFileManager.h
new file mode 100644
index 0000000..e2fa8eb
--- /dev/null
+++ b/include/llvm/Support/LockFileManager.h
@@ -0,0 +1,74 @@
+//===--- LockFileManager.h - File-level locking utility ---------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+#ifndef LLVM_SUPPORT_LOCKFILEMANAGER_H
+#define LLVM_SUPPORT_LOCKFILEMANAGER_H
+
+#include "llvm/ADT/Optional.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Support/system_error.h"
+#include <utility> // for std::pair
+
+namespace llvm {
+
+/// \brief Class that manages the creation of a lock file to aid
+/// implicit coordination between different processes.
+///
+/// The implicit coordination works by creating a ".lock" file alongside
+/// the file that we're coordinating for, using the atomicity of the file
+/// system to ensure that only a single process can create that ".lock" file.
+/// When the lock file is removed, the owning process has finished the
+/// operation.
+class LockFileManager {
+public:
+ /// \brief Describes the state of a lock file.
+ enum LockFileState {
+ /// \brief The lock file has been created and is owned by this instance
+ /// of the object.
+ LFS_Owned,
+ /// \brief The lock file already exists and is owned by some other
+ /// instance.
+ LFS_Shared,
+ /// \brief An error occurred while trying to create or find the lock
+ /// file.
+ LFS_Error
+ };
+
+private:
+ SmallString<128> LockFileName;
+ SmallString<128> UniqueLockFileName;
+
+ Optional<std::pair<std::string, int> > Owner;
+ Optional<error_code> Error;
+
+ LockFileManager(const LockFileManager &);
+ LockFileManager &operator=(const LockFileManager &);
+
+ static Optional<std::pair<std::string, int> >
+ readLockFile(StringRef LockFileName);
+
+ static bool processStillExecuting(StringRef Hostname, int PID);
+
+public:
+
+ LockFileManager(StringRef FileName);
+ ~LockFileManager();
+
+ /// \brief Determine the state of the lock file.
+ LockFileState getState() const;
+
+ operator LockFileState() const { return getState(); }
+
+ /// \brief For a shared lock, wait until the owner releases the lock.
+ void waitForUnlock();
+};
+
+} // end namespace llvm
+
+#endif // LLVM_SUPPORT_LOCKFILEMANAGER_H
diff --git a/include/llvm/Support/MemoryObject.h b/include/llvm/Support/MemoryObject.h
index dec0f13..b778b08 100644
--- a/include/llvm/Support/MemoryObject.h
+++ b/include/llvm/Support/MemoryObject.h
@@ -23,19 +23,19 @@ class MemoryObject {
public:
/// Destructor - Override as necessary.
virtual ~MemoryObject();
-
+
/// getBase - Returns the lowest valid address in the region.
///
/// @result - The lowest valid address.
virtual uint64_t getBase() const = 0;
-
+
/// getExtent - Returns the size of the region in bytes. (The region is
- /// contiguous, so the highest valid address of the region
+ /// contiguous, so the highest valid address of the region
/// is getBase() + getExtent() - 1).
///
/// @result - The size of the region.
virtual uint64_t getExtent() const = 0;
-
+
/// readByte - Tries to read a single byte from the region.
///
/// @param address - The address of the byte, in the same space as getBase().
@@ -43,7 +43,7 @@ public:
/// @result - 0 if successful; -1 if not. Failure may be due to a
/// bounds violation or an implementation-specific error.
virtual int readByte(uint64_t address, uint8_t* ptr) const = 0;
-
+
/// readBytes - Tries to read a contiguous range of bytes from the
/// region, up to the end of the region.
/// You should override this function if there is a quicker
@@ -67,4 +67,3 @@ public:
}
#endif
-
diff --git a/include/llvm/Support/PatternMatch.h b/include/llvm/Support/PatternMatch.h
index f0fb516..221fa8b 100644
--- a/include/llvm/Support/PatternMatch.h
+++ b/include/llvm/Support/PatternMatch.h
@@ -31,6 +31,7 @@
#include "llvm/Constants.h"
#include "llvm/Instructions.h"
+#include "llvm/Operator.h"
namespace llvm {
namespace PatternMatch {
@@ -97,12 +98,19 @@ struct apint_match {
Res = &CI->getValue();
return true;
}
+ // FIXME: Remove this.
if (ConstantVector *CV = dyn_cast<ConstantVector>(V))
if (ConstantInt *CI =
dyn_cast_or_null<ConstantInt>(CV->getSplatValue())) {
Res = &CI->getValue();
return true;
}
+ if (ConstantDataVector *CV = dyn_cast<ConstantDataVector>(V))
+ if (ConstantInt *CI =
+ dyn_cast_or_null<ConstantInt>(CV->getSplatValue())) {
+ Res = &CI->getValue();
+ return true;
+ }
return false;
}
};
@@ -143,9 +151,13 @@ struct cst_pred_ty : public Predicate {
bool match(ITy *V) {
if (const ConstantInt *CI = dyn_cast<ConstantInt>(V))
return this->isValue(CI->getValue());
+ // FIXME: Remove this.
if (const ConstantVector *CV = dyn_cast<ConstantVector>(V))
if (ConstantInt *CI = dyn_cast_or_null<ConstantInt>(CV->getSplatValue()))
return this->isValue(CI->getValue());
+ if (const ConstantDataVector *CV = dyn_cast<ConstantDataVector>(V))
+ if (ConstantInt *CI = dyn_cast_or_null<ConstantInt>(CV->getSplatValue()))
+ return this->isValue(CI->getValue());
return false;
}
};
@@ -163,12 +175,22 @@ struct api_pred_ty : public Predicate {
Res = &CI->getValue();
return true;
}
+
+ // FIXME: remove.
if (const ConstantVector *CV = dyn_cast<ConstantVector>(V))
if (ConstantInt *CI = dyn_cast_or_null<ConstantInt>(CV->getSplatValue()))
if (this->isValue(CI->getValue())) {
Res = &CI->getValue();
return true;
}
+
+ if (const ConstantDataVector *CV = dyn_cast<ConstantDataVector>(V))
+ if (ConstantInt *CI = dyn_cast_or_null<ConstantInt>(CV->getSplatValue()))
+ if (this->isValue(CI->getValue())) {
+ Res = &CI->getValue();
+ return true;
+ }
+
return false;
}
};
@@ -441,6 +463,26 @@ m_IDiv(const LHS &L, const RHS &R) {
}
//===----------------------------------------------------------------------===//
+// Class that matches exact binary ops.
+//
+template<typename SubPattern_t>
+struct Exact_match {
+ SubPattern_t SubPattern;
+
+ Exact_match(const SubPattern_t &SP) : SubPattern(SP) {}
+
+ template<typename OpTy>
+ bool match(OpTy *V) {
+ if (PossiblyExactOperator *PEO = dyn_cast<PossiblyExactOperator>(V))
+ return PEO->isExact() && SubPattern.match(V);
+ return false;
+ }
+};
+
+template<typename T>
+inline Exact_match<T> m_Exact(const T &SubPattern) { return SubPattern; }
+
+//===----------------------------------------------------------------------===//
// Matchers for CmpInst classes
//
@@ -529,10 +571,8 @@ struct CastClass_match {
template<typename OpTy>
bool match(OpTy *V) {
- if (CastInst *I = dyn_cast<CastInst>(V))
- return I->getOpcode() == Opcode && Op.match(I->getOperand(0));
- if (ConstantExpr *CE = dyn_cast<ConstantExpr>(V))
- return CE->getOpcode() == Opcode && Op.match(CE->getOperand(0));
+ if (Operator *O = dyn_cast<Operator>(V))
+ return O->getOpcode() == Opcode && Op.match(O->getOperand(0));
return false;
}
};
@@ -585,21 +625,18 @@ struct not_match {
template<typename OpTy>
bool match(OpTy *V) {
- if (Instruction *I = dyn_cast<Instruction>(V))
- if (I->getOpcode() == Instruction::Xor)
- return matchIfNot(I->getOperand(0), I->getOperand(1));
- if (ConstantExpr *CE = dyn_cast<ConstantExpr>(V))
- if (CE->getOpcode() == Instruction::Xor)
- return matchIfNot(CE->getOperand(0), CE->getOperand(1));
+ if (Operator *O = dyn_cast<Operator>(V))
+ if (O->getOpcode() == Instruction::Xor)
+ return matchIfNot(O->getOperand(0), O->getOperand(1));
return false;
}
private:
bool matchIfNot(Value *LHS, Value *RHS) {
- if (ConstantInt *CI = dyn_cast<ConstantInt>(RHS))
- return CI->isAllOnesValue() && L.match(LHS);
- if (ConstantVector *CV = dyn_cast<ConstantVector>(RHS))
- return CV->isAllOnesValue() && L.match(LHS);
- return false;
+ return (isa<ConstantInt>(RHS) || isa<ConstantDataVector>(RHS) ||
+ // FIXME: Remove CV.
+ isa<ConstantVector>(RHS)) &&
+ cast<Constant>(RHS)->isAllOnesValue() &&
+ L.match(LHS);
}
};
@@ -615,19 +652,16 @@ struct neg_match {
template<typename OpTy>
bool match(OpTy *V) {
- if (Instruction *I = dyn_cast<Instruction>(V))
- if (I->getOpcode() == Instruction::Sub)
- return matchIfNeg(I->getOperand(0), I->getOperand(1));
- if (ConstantExpr *CE = dyn_cast<ConstantExpr>(V))
- if (CE->getOpcode() == Instruction::Sub)
- return matchIfNeg(CE->getOperand(0), CE->getOperand(1));
+ if (Operator *O = dyn_cast<Operator>(V))
+ if (O->getOpcode() == Instruction::Sub)
+ return matchIfNeg(O->getOperand(0), O->getOperand(1));
return false;
}
private:
bool matchIfNeg(Value *LHS, Value *RHS) {
- if (ConstantInt *C = dyn_cast<ConstantInt>(LHS))
- return C->isZero() && L.match(RHS);
- return false;
+ return ((isa<ConstantInt>(LHS) && cast<ConstantInt>(LHS)->isZero()) ||
+ isa<ConstantAggregateZero>(LHS)) &&
+ L.match(RHS);
}
};
@@ -644,12 +678,9 @@ struct fneg_match {
template<typename OpTy>
bool match(OpTy *V) {
- if (Instruction *I = dyn_cast<Instruction>(V))
- if (I->getOpcode() == Instruction::FSub)
- return matchIfFNeg(I->getOperand(0), I->getOperand(1));
- if (ConstantExpr *CE = dyn_cast<ConstantExpr>(V))
- if (CE->getOpcode() == Instruction::FSub)
- return matchIfFNeg(CE->getOperand(0), CE->getOperand(1));
+ if (Operator *O = dyn_cast<Operator>(V))
+ if (O->getOpcode() == Instruction::FSub)
+ return matchIfFNeg(O->getOperand(0), O->getOperand(1));
return false;
}
private:
diff --git a/include/llvm/Support/Process.h b/include/llvm/Support/Process.h
index 27ef267..3379922 100644
--- a/include/llvm/Support/Process.h
+++ b/include/llvm/Support/Process.h
@@ -138,9 +138,6 @@ namespace sys {
/// Resets the terminals colors, or returns an escape sequence to do so.
static const char *ResetColor();
-
- /// Change the program working directory to that given by \arg Path.
- static void SetWorkingDirectory(std::string Path);
/// @}
};
}
diff --git a/include/llvm/Support/Recycler.h b/include/llvm/Support/Recycler.h
index d8f8c78..fa6e189 100644
--- a/include/llvm/Support/Recycler.h
+++ b/include/llvm/Support/Recycler.h
@@ -17,6 +17,7 @@
#include "llvm/ADT/ilist.h"
#include "llvm/Support/AlignOf.h"
+#include "llvm/Support/ErrorHandling.h"
#include <cassert>
namespace llvm {
@@ -52,7 +53,7 @@ struct ilist_traits<RecyclerStruct> :
static void noteHead(RecyclerStruct*, RecyclerStruct*) {}
static void deleteNode(RecyclerStruct *) {
- assert(0 && "Recycler's ilist_traits shouldn't see a deleteNode call!");
+ llvm_unreachable("Recycler's ilist_traits shouldn't see a deleteNode call!");
}
};
diff --git a/include/llvm/Support/SaveAndRestore.h b/include/llvm/Support/SaveAndRestore.h
new file mode 100644
index 0000000..ffa99b9
--- /dev/null
+++ b/include/llvm/Support/SaveAndRestore.h
@@ -0,0 +1,47 @@
+//===-- SaveAndRestore.h - Utility -------------------------------*- C++ -*-=//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file provides utility classes that uses RAII to save and restore
+// values.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_ADT_SAVERESTORE
+#define LLVM_ADT_SAVERESTORE
+
+namespace llvm {
+
+// SaveAndRestore - A utility class that uses RAII to save and restore
+// the value of a variable.
+template<typename T>
+struct SaveAndRestore {
+ SaveAndRestore(T& x) : X(x), old_value(x) {}
+ SaveAndRestore(T& x, const T &new_value) : X(x), old_value(x) {
+ X = new_value;
+ }
+ ~SaveAndRestore() { X = old_value; }
+ T get() { return old_value; }
+private:
+ T& X;
+ T old_value;
+};
+
+// SaveOr - Similar to SaveAndRestore. Operates only on bools; the old
+// value of a variable is saved, and during the dstor the old value is
+// or'ed with the new value.
+struct SaveOr {
+ SaveOr(bool& x) : X(x), old_value(x) { x = false; }
+ ~SaveOr() { X |= old_value; }
+private:
+ bool& X;
+ const bool old_value;
+};
+
+}
+#endif
diff --git a/include/llvm/Support/StreamableMemoryObject.h b/include/llvm/Support/StreamableMemoryObject.h
new file mode 100644
index 0000000..531dbb2
--- /dev/null
+++ b/include/llvm/Support/StreamableMemoryObject.h
@@ -0,0 +1,181 @@
+//===- StreamableMemoryObject.h - Streamable data interface -----*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+
+#ifndef STREAMABLEMEMORYOBJECT_H_
+#define STREAMABLEMEMORYOBJECT_H_
+
+#include "llvm/ADT/OwningPtr.h"
+#include "llvm/Support/MemoryObject.h"
+#include "llvm/Support/DataStream.h"
+#include <vector>
+
+namespace llvm {
+
+/// StreamableMemoryObject - Interface to data which might be streamed.
+/// Streamability has 2 important implications/restrictions. First, the data
+/// might not yet exist in memory when the request is made. This just means
+/// that readByte/readBytes might have to block or do some work to get it.
+/// More significantly, the exact size of the object might not be known until
+/// it has all been fetched. This means that to return the right result,
+/// getExtent must also wait for all the data to arrive; therefore it should
+/// not be called on objects which are actually streamed (this would defeat
+/// the purpose of streaming). Instead, isValidAddress and isObjectEnd can be
+/// used to test addresses without knowing the exact size of the stream.
+/// Finally, getPointer can be used instead of readBytes to avoid extra copying.
+class StreamableMemoryObject : public MemoryObject {
+ public:
+ /// Destructor - Override as necessary.
+ virtual ~StreamableMemoryObject();
+
+ /// getBase - Returns the lowest valid address in the region.
+ ///
+ /// @result - The lowest valid address.
+ virtual uint64_t getBase() const = 0;
+
+ /// getExtent - Returns the size of the region in bytes. (The region is
+ /// contiguous, so the highest valid address of the region
+ /// is getBase() + getExtent() - 1).
+ /// May block until all bytes in the stream have been read
+ ///
+ /// @result - The size of the region.
+ virtual uint64_t getExtent() const = 0;
+
+ /// readByte - Tries to read a single byte from the region.
+ /// May block until (address - base) bytes have been read
+ /// @param address - The address of the byte, in the same space as getBase().
+ /// @param ptr - A pointer to a byte to be filled in. Must be non-NULL.
+ /// @result - 0 if successful; -1 if not. Failure may be due to a
+ /// bounds violation or an implementation-specific error.
+ virtual int readByte(uint64_t address, uint8_t* ptr) const = 0;
+
+ /// readBytes - Tries to read a contiguous range of bytes from the
+ /// region, up to the end of the region.
+ /// May block until (address - base + size) bytes have
+ /// been read. Additionally, StreamableMemoryObjects will
+ /// not do partial reads - if size bytes cannot be read,
+ /// readBytes will fail.
+ ///
+ /// @param address - The address of the first byte, in the same space as
+ /// getBase().
+ /// @param size - The maximum number of bytes to copy.
+ /// @param buf - A pointer to a buffer to be filled in. Must be non-NULL
+ /// and large enough to hold size bytes.
+ /// @param copied - A pointer to a nunber that is filled in with the number
+ /// of bytes actually read. May be NULL.
+ /// @result - 0 if successful; -1 if not. Failure may be due to a
+ /// bounds violation or an implementation-specific error.
+ virtual int readBytes(uint64_t address,
+ uint64_t size,
+ uint8_t* buf,
+ uint64_t* copied) const = 0;
+
+ /// getPointer - Ensures that the requested data is in memory, and returns
+ /// A pointer to it. More efficient than using readBytes if the
+ /// data is already in memory.
+ /// May block until (address - base + size) bytes have been read
+ /// @param address - address of the byte, in the same space as getBase()
+ /// @param size - amount of data that must be available on return
+ /// @result - valid pointer to the requested data
+ virtual const uint8_t *getPointer(uint64_t address, uint64_t size) const = 0;
+
+ /// isValidAddress - Returns true if the address is within the object
+ /// (i.e. between base and base + extent - 1 inclusive)
+ /// May block until (address - base) bytes have been read
+ /// @param address - address of the byte, in the same space as getBase()
+ /// @result - true if the address may be read with readByte()
+ virtual bool isValidAddress(uint64_t address) const = 0;
+
+ /// isObjectEnd - Returns true if the address is one past the end of the
+ /// object (i.e. if it is equal to base + extent)
+ /// May block until (address - base) bytes have been read
+ /// @param address - address of the byte, in the same space as getBase()
+ /// @result - true if the address is equal to base + extent
+ virtual bool isObjectEnd(uint64_t address) const = 0;
+};
+
+/// StreamingMemoryObject - interface to data which is actually streamed from
+/// a DataStreamer. In addition to inherited members, it has the
+/// dropLeadingBytes and setKnownObjectSize methods which are not applicable
+/// to non-streamed objects.
+class StreamingMemoryObject : public StreamableMemoryObject {
+public:
+ StreamingMemoryObject(DataStreamer *streamer);
+ virtual uint64_t getBase() const { return 0; }
+ virtual uint64_t getExtent() const;
+ virtual int readByte(uint64_t address, uint8_t* ptr) const;
+ virtual int readBytes(uint64_t address,
+ uint64_t size,
+ uint8_t* buf,
+ uint64_t* copied) const ;
+ virtual const uint8_t *getPointer(uint64_t address, uint64_t size) const {
+ // This could be fixed by ensuring the bytes are fetched and making a copy,
+ // requiring that the bitcode size be known, or otherwise ensuring that
+ // the memory doesn't go away/get reallocated, but it's
+ // not currently necessary. Users that need the pointer don't stream.
+ assert(0 && "getPointer in streaming memory objects not allowed");
+ return NULL;
+ }
+ virtual bool isValidAddress(uint64_t address) const;
+ virtual bool isObjectEnd(uint64_t address) const;
+
+ /// Drop s bytes from the front of the stream, pushing the positions of the
+ /// remaining bytes down by s. This is used to skip past the bitcode header,
+ /// since we don't know a priori if it's present, and we can't put bytes
+ /// back into the stream once we've read them.
+ bool dropLeadingBytes(size_t s);
+
+ /// If the data object size is known in advance, many of the operations can
+ /// be made more efficient, so this method should be called before reading
+ /// starts (although it can be called anytime).
+ void setKnownObjectSize(size_t size);
+
+private:
+ const static uint32_t kChunkSize = 4096 * 4;
+ mutable std::vector<unsigned char> Bytes;
+ OwningPtr<DataStreamer> Streamer;
+ mutable size_t BytesRead; // Bytes read from stream
+ size_t BytesSkipped;// Bytes skipped at start of stream (e.g. wrapper/header)
+ mutable size_t ObjectSize; // 0 if unknown, set if wrapper seen or EOF reached
+ mutable bool EOFReached;
+
+ // Fetch enough bytes such that Pos can be read or EOF is reached
+ // (i.e. BytesRead > Pos). Return true if Pos can be read.
+ // Unlike most of the functions in BitcodeReader, returns true on success.
+ // Most of the requests will be small, but we fetch at kChunkSize bytes
+ // at a time to avoid making too many potentially expensive GetBytes calls
+ bool fetchToPos(size_t Pos) const {
+ if (EOFReached) return Pos < ObjectSize;
+ while (Pos >= BytesRead) {
+ Bytes.resize(BytesRead + BytesSkipped + kChunkSize);
+ size_t bytes = Streamer->GetBytes(&Bytes[BytesRead + BytesSkipped],
+ kChunkSize);
+ BytesRead += bytes;
+ if (bytes < kChunkSize) {
+ if (ObjectSize && BytesRead < Pos)
+ assert(0 && "Unexpected short read fetching bitcode");
+ if (BytesRead <= Pos) { // reached EOF/ran out of bytes
+ ObjectSize = BytesRead;
+ EOFReached = true;
+ return false;
+ }
+ }
+ }
+ return true;
+ }
+
+ StreamingMemoryObject(const StreamingMemoryObject&); // DO NOT IMPLEMENT
+ void operator=(const StreamingMemoryObject&); // DO NOT IMPLEMENT
+};
+
+StreamableMemoryObject *getNonStreamedMemoryObject(
+ const unsigned char *Start, const unsigned char *End);
+
+}
+#endif // STREAMABLEMEMORYOBJECT_H_
diff --git a/include/llvm/Support/TargetRegistry.h b/include/llvm/Support/TargetRegistry.h
index ea55c91..93bdbca 100644
--- a/include/llvm/Support/TargetRegistry.h
+++ b/include/llvm/Support/TargetRegistry.h
@@ -104,6 +104,7 @@ namespace llvm {
typedef MCInstPrinter *(*MCInstPrinterCtorTy)(const Target &T,
unsigned SyntaxVariant,
const MCAsmInfo &MAI,
+ const MCRegisterInfo &MRI,
const MCSubtargetInfo &STI);
typedef MCCodeEmitter *(*MCCodeEmitterCtorTy)(const MCInstrInfo &II,
const MCSubtargetInfo &STI,
@@ -392,10 +393,11 @@ namespace llvm {
MCInstPrinter *createMCInstPrinter(unsigned SyntaxVariant,
const MCAsmInfo &MAI,
+ const MCRegisterInfo &MRI,
const MCSubtargetInfo &STI) const {
if (!MCInstPrinterCtorFn)
return 0;
- return MCInstPrinterCtorFn(*this, SyntaxVariant, MAI, STI);
+ return MCInstPrinterCtorFn(*this, SyntaxVariant, MAI, MRI, STI);
}
@@ -786,7 +788,7 @@ namespace llvm {
/// extern "C" void LLVMInitializeFooTargetInfo() {
/// RegisterTarget<Triple::foo> X(TheFooTarget, "foo", "Foo description");
/// }
- template<Triple::ArchType TargetArchType = Triple::InvalidArch,
+ template<Triple::ArchType TargetArchType = Triple::UnknownArch,
bool HasJIT = false>
struct RegisterTarget {
RegisterTarget(Target &T, const char *Name, const char *Desc) {
diff --git a/include/llvm/Support/system_error.h b/include/llvm/Support/system_error.h
index 2c15b69..af81206 100644
--- a/include/llvm/Support/system_error.h
+++ b/include/llvm/Support/system_error.h
@@ -470,17 +470,6 @@ template <> struct hash<std::error_code>;
namespace llvm {
-template <class T, T v>
-struct integral_constant {
- typedef T value_type;
- static const value_type value = v;
- typedef integral_constant<T,v> type;
- operator value_type() { return value; }
-};
-
-typedef integral_constant<bool, true> true_type;
-typedef integral_constant<bool, false> false_type;
-
// is_error_code_enum
template <class Tp> struct is_error_code_enum : public false_type {};
@@ -738,6 +727,10 @@ class error_code {
public:
error_code() : _val_(0), _cat_(&system_category()) {}
+ static error_code success() {
+ return error_code();
+ }
+
error_code(int _val, const error_category& _cat)
: _val_(_val), _cat_(&_cat) {}
diff --git a/include/llvm/Support/type_traits.h b/include/llvm/Support/type_traits.h
index 515295b..85d90b1 100644
--- a/include/llvm/Support/type_traits.h
+++ b/include/llvm/Support/type_traits.h
@@ -17,6 +17,8 @@
#ifndef LLVM_SUPPORT_TYPE_TRAITS_H
#define LLVM_SUPPORT_TYPE_TRAITS_H
+#include "llvm/Support/DataTypes.h"
+#include <cstddef>
#include <utility>
// This is actually the conforming implementation which works with abstract
@@ -68,17 +70,62 @@ struct isPodLike<std::pair<T, U> > {
};
+template <class T, T v>
+struct integral_constant {
+ typedef T value_type;
+ static const value_type value = v;
+ typedef integral_constant<T,v> type;
+ operator value_type() { return value; }
+};
+
+typedef integral_constant<bool, true> true_type;
+typedef integral_constant<bool, false> false_type;
+
/// \brief Metafunction that determines whether the two given types are
/// equivalent.
-template<typename T, typename U>
-struct is_same {
- static const bool value = false;
-};
+template<typename T, typename U> struct is_same : public false_type {};
+template<typename T> struct is_same<T, T> : public true_type {};
+
+/// \brief Metafunction that removes const qualification from a type.
+template <typename T> struct remove_const { typedef T type; };
+template <typename T> struct remove_const<const T> { typedef T type; };
-template<typename T>
-struct is_same<T, T> {
- static const bool value = true;
+/// \brief Metafunction that removes volatile qualification from a type.
+template <typename T> struct remove_volatile { typedef T type; };
+template <typename T> struct remove_volatile<volatile T> { typedef T type; };
+
+/// \brief Metafunction that removes both const and volatile qualification from
+/// a type.
+template <typename T> struct remove_cv {
+ typedef typename remove_const<typename remove_volatile<T>::type>::type type;
};
+
+/// \brief Helper to implement is_integral metafunction.
+template <typename T> struct is_integral_impl : false_type {};
+template <> struct is_integral_impl< bool> : true_type {};
+template <> struct is_integral_impl< char> : true_type {};
+template <> struct is_integral_impl< signed char> : true_type {};
+template <> struct is_integral_impl<unsigned char> : true_type {};
+template <> struct is_integral_impl< wchar_t> : true_type {};
+template <> struct is_integral_impl< short> : true_type {};
+template <> struct is_integral_impl<unsigned short> : true_type {};
+template <> struct is_integral_impl< int> : true_type {};
+template <> struct is_integral_impl<unsigned int> : true_type {};
+template <> struct is_integral_impl< long> : true_type {};
+template <> struct is_integral_impl<unsigned long> : true_type {};
+template <> struct is_integral_impl< long long> : true_type {};
+template <> struct is_integral_impl<unsigned long long> : true_type {};
+
+/// \brief Metafunction that determines whether the given type is an integral
+/// type.
+template <typename T>
+struct is_integral : is_integral_impl<T> {};
+
+/// \brief Metafunction that determines whether the given type is a pointer
+/// type.
+template <typename T> struct is_pointer : false_type {};
+template <typename T> struct is_pointer<T*> : true_type {};
+
// enable_if_c - Enable/disable a template based on a metafunction
template<bool Cond, typename T = void>