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-rw-r--r--include/llvm/BasicBlock.h6
-rw-r--r--include/llvm/Bitcode/LLVMBitCodes.h5
-rw-r--r--lib/AsmParser/LLLexer.cpp2
-rw-r--r--lib/AsmParser/LLParser.cpp5
-rw-r--r--lib/AsmParser/LLToken.h3
-rw-r--r--lib/Bitcode/Reader/BitcodeReader.cpp9
-rw-r--r--lib/Bitcode/Writer/BitcodeWriter.cpp32
-rw-r--r--lib/VMCore/AsmWriter.cpp7
-rw-r--r--lib/VMCore/BasicBlock.cpp5
-rw-r--r--test/Feature/bb_attrs.ll29
10 files changed, 16 insertions, 87 deletions
diff --git a/include/llvm/BasicBlock.h b/include/llvm/BasicBlock.h
index 3336b36..7e7c9e7 100644
--- a/include/llvm/BasicBlock.h
+++ b/include/llvm/BasicBlock.h
@@ -74,7 +74,6 @@ public:
private:
InstListType InstList;
Function *Parent;
- bool IsLandingPad;
void setParent(Function *parent);
friend class SymbolTableListTraits<BasicBlock, Function>;
@@ -139,11 +138,6 @@ public:
return const_cast<BasicBlock*>(this)->getFirstNonPHIOrDbg();
}
- /// isLandingPad - True if this basic block is a landing pad for exception
- /// handling.
- bool isLandingPad() const { return IsLandingPad; }
- void setIsLandingPad(bool Val = true) { IsLandingPad = Val; }
-
/// removeFromParent - This method unlinks 'this' from the containing
/// function, but does not delete it.
///
diff --git a/include/llvm/Bitcode/LLVMBitCodes.h b/include/llvm/Bitcode/LLVMBitCodes.h
index dcfbe5a..7692bd2 100644
--- a/include/llvm/Bitcode/LLVMBitCodes.h
+++ b/include/llvm/Bitcode/LLVMBitCodes.h
@@ -106,9 +106,8 @@ namespace bitc {
// The value symbol table only has one code (VST_ENTRY_CODE).
enum ValueSymtabCodes {
- VST_CODE_ENTRY = 1, // VST_ENTRY: [valid, namechar x N]
- VST_CODE_BBENTRY = 2, // VST_BBENTRY: [bbid, namechar x N]
- VST_CODE_LPADENTRY = 3 // VST_LPADENTRY: [lpadid, namechar x N]
+ VST_CODE_ENTRY = 1, // VST_ENTRY: [valid, namechar x N]
+ VST_CODE_BBENTRY = 2 // VST_BBENTRY: [bbid, namechar x N]
};
enum MetadataCodes {
diff --git a/lib/AsmParser/LLLexer.cpp b/lib/AsmParser/LLLexer.cpp
index da26cb8..857fa1e 100644
--- a/lib/AsmParser/LLLexer.cpp
+++ b/lib/AsmParser/LLLexer.cpp
@@ -587,8 +587,6 @@ lltok::Kind LLLexer::LexIdentifier() {
KEYWORD(x);
KEYWORD(blockaddress);
-
- KEYWORD(landingpad);
#undef KEYWORD
// Keywords for types.
diff --git a/lib/AsmParser/LLParser.cpp b/lib/AsmParser/LLParser.cpp
index afd10a0..0c3237a 100644
--- a/lib/AsmParser/LLParser.cpp
+++ b/lib/AsmParser/LLParser.cpp
@@ -2918,11 +2918,6 @@ bool LLParser::ParseBasicBlock(PerFunctionState &PFS) {
BasicBlock *BB = PFS.DefineBB(Name, NameLoc);
if (BB == 0) return true;
- if (Lex.getKind() == lltok::kw_landingpad) {
- BB->setIsLandingPad();
- Lex.Lex();
- }
-
std::string NameStr;
// Parse the instructions in this block until we get a terminator.
diff --git a/lib/AsmParser/LLToken.h b/lib/AsmParser/LLToken.h
index 53cf8d8..576da19 100644
--- a/lib/AsmParser/LLToken.h
+++ b/lib/AsmParser/LLToken.h
@@ -125,9 +125,6 @@ namespace lltok {
kw_extractelement, kw_insertelement, kw_shufflevector, kw_getresult,
kw_extractvalue, kw_insertvalue, kw_blockaddress,
- // Basic block attribute.
- kw_landingpad,
-
// Unsigned Valued tokens (UIntVal).
GlobalID, // @42
LocalVarID, // %42
diff --git a/lib/Bitcode/Reader/BitcodeReader.cpp b/lib/Bitcode/Reader/BitcodeReader.cpp
index 2355198..8223f76 100644
--- a/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -714,8 +714,7 @@ bool BitcodeReader::ParseValueSymbolTable() {
// Read a record.
Record.clear();
- unsigned VSTCode = Stream.ReadRecord(Code, Record);
- switch (VSTCode) {
+ switch (Stream.ReadRecord(Code, Record)) {
default: // Default behavior: unknown type.
break;
case bitc::VST_CODE_ENTRY: { // VST_ENTRY: [valueid, namechar x N]
@@ -730,17 +729,13 @@ bool BitcodeReader::ParseValueSymbolTable() {
ValueName.clear();
break;
}
- case bitc::VST_CODE_BBENTRY:
- case bitc::VST_CODE_LPADENTRY: {
+ case bitc::VST_CODE_BBENTRY: {
if (ConvertToString(Record, 1, ValueName))
return Error("Invalid VST_BBENTRY record");
BasicBlock *BB = getBasicBlock(Record[0]);
if (BB == 0)
return Error("Invalid BB ID in VST_BBENTRY record");
- if (VSTCode == bitc::VST_CODE_LPADENTRY)
- BB->setIsLandingPad(true);
-
BB->setName(StringRef(ValueName.data(), ValueName.size()));
ValueName.clear();
break;
diff --git a/lib/Bitcode/Writer/BitcodeWriter.cpp b/lib/Bitcode/Writer/BitcodeWriter.cpp
index 51c13bd..e34137f 100644
--- a/lib/Bitcode/Writer/BitcodeWriter.cpp
+++ b/lib/Bitcode/Writer/BitcodeWriter.cpp
@@ -40,7 +40,6 @@ enum {
VST_ENTRY_7_ABBREV,
VST_ENTRY_6_ABBREV,
VST_BBENTRY_6_ABBREV,
- VST_LPADENTRY_6_ABBREV,
// CONSTANTS_BLOCK abbrev id's.
CONSTANTS_SETTYPE_ABBREV = bitc::FIRST_APPLICATION_ABBREV,
@@ -1180,20 +1179,13 @@ static void WriteValueSymbolTable(const ValueSymbolTable &VST,
unsigned AbbrevToUse = VST_ENTRY_8_ABBREV;
- // VST_ENTRY: [valueid, namechar x N]
- // VST_BBENTRY: [bbid, namechar x N]
- // VST_LPADENTRY: [lpadid, namechar x N]
+ // VST_ENTRY: [valueid, namechar x N]
+ // VST_BBENTRY: [bbid, namechar x N]
unsigned Code;
- if (const BasicBlock *BB = dyn_cast<BasicBlock>(SI->getValue())) {
- if (BB->isLandingPad()) {
- Code = bitc::VST_CODE_LPADENTRY;
- if (isChar6)
- AbbrevToUse = VST_LPADENTRY_6_ABBREV;
- } else {
- Code = bitc::VST_CODE_BBENTRY;
- if (isChar6)
- AbbrevToUse = VST_BBENTRY_6_ABBREV;
- }
+ if (isa<BasicBlock>(SI->getValue())) {
+ Code = bitc::VST_CODE_BBENTRY;
+ if (isChar6)
+ AbbrevToUse = VST_BBENTRY_6_ABBREV;
} else {
Code = bitc::VST_CODE_ENTRY;
if (isChar6)
@@ -1374,16 +1366,8 @@ static void WriteBlockInfo(const ValueEnumerator &VE, BitstreamWriter &Stream) {
Abbv) != VST_BBENTRY_6_ABBREV)
llvm_unreachable("Unexpected abbrev ordering!");
}
- { // 6-bit char6 VST_LPADENTRY strings.
- BitCodeAbbrev *Abbv = new BitCodeAbbrev();
- Abbv->Add(BitCodeAbbrevOp(bitc::VST_CODE_LPADENTRY));
- Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8));
- Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array));
- Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6));
- if (Stream.EmitBlockInfoAbbrev(bitc::VALUE_SYMTAB_BLOCK_ID,
- Abbv) != VST_LPADENTRY_6_ABBREV)
- llvm_unreachable("Unexpected abbrev ordering!");
- }
+
+
{ // SETTYPE abbrev for CONSTANTS_BLOCK.
BitCodeAbbrev *Abbv = new BitCodeAbbrev();
diff --git a/lib/VMCore/AsmWriter.cpp b/lib/VMCore/AsmWriter.cpp
index a92c9bc..ffd367a 100644
--- a/lib/VMCore/AsmWriter.cpp
+++ b/lib/VMCore/AsmWriter.cpp
@@ -1687,13 +1687,8 @@ void AssemblyWriter::printBasicBlock(const BasicBlock *BB) {
Out << "\n";
PrintLLVMName(Out, BB->getName(), LabelPrefix);
Out << ':';
- if (BB->isLandingPad())
- Out << " landingpad";
} else if (!BB->use_empty()) { // Don't print block # of no uses...
- Out << '\n';
- if (BB->isLandingPad())
- Out << "landingpad ";
- Out << "; <label>:";
+ Out << "\n; <label>:";
int Slot = Machine.getLocalSlot(BB);
if (Slot != -1)
Out << Slot;
diff --git a/lib/VMCore/BasicBlock.cpp b/lib/VMCore/BasicBlock.cpp
index b46fab5..955a028 100644
--- a/lib/VMCore/BasicBlock.cpp
+++ b/lib/VMCore/BasicBlock.cpp
@@ -38,10 +38,10 @@ LLVMContext &BasicBlock::getContext() const {
// are not in the public header file...
template class llvm::SymbolTableListTraits<Instruction, BasicBlock>;
+
BasicBlock::BasicBlock(LLVMContext &C, const Twine &Name, Function *NewParent,
BasicBlock *InsertBefore)
- : Value(Type::getLabelTy(C), Value::BasicBlockVal), Parent(0),
- IsLandingPad(false) {
+ : Value(Type::getLabelTy(C), Value::BasicBlockVal), Parent(0) {
// Make sure that we get added to a function
LeakDetector::addGarbageObject(this);
@@ -57,6 +57,7 @@ BasicBlock::BasicBlock(LLVMContext &C, const Twine &Name, Function *NewParent,
setName(Name);
}
+
BasicBlock::~BasicBlock() {
// If the address of the block is taken and it is being deleted (e.g. because
// it is dead), this means that there is either a dangling constant expr
diff --git a/test/Feature/bb_attrs.ll b/test/Feature/bb_attrs.ll
deleted file mode 100644
index af2af31..0000000
--- a/test/Feature/bb_attrs.ll
+++ /dev/null
@@ -1,29 +0,0 @@
-; RUN: llvm-as < %s | llvm-dis > %t1.ll
-; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
-; RUN: diff %t1.ll %t2.ll
-
-; Test for basic block attributes.
-
-define i32 @f1(i32 %a) {
-entry:
- %cmp = icmp slt i32 %a, 37
- br i1 %cmp, label %bb, label %lpad
-
-bb:
- ret i32 37
-
-lpad: landingpad
- ret i32 927
-}
-
-define i32 @f2(i32 %a) {
-; entry : 0
- %1 = icmp slt i32 %a, 37
- br i1 %1, label %2, label %3
-
-; bb : 2
- ret i32 37
-
-landingpad ; bb : 3
- ret i32 927
-}
generated by cgit v1.1 at 2024-05-29 05:34:31 +0000