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* [ms-inline asm] Add a new Inline Asm Non-Standard Dialect attribute.Chad Rosier2012-08-101-0/+1
| | | | | | | | | | | | | | This new attribute is intended to be used by the backend to determine how the inline asm string should be parsed/printed. This patch adds the ia_nsdialect attribute and also adds a test case to ensure the IR is correctly parsed, but there is no functional change at this time. The standard dialect is assumed to be AT&T. Therefore, this attribute should only be added to MS-style inline assembly statements, which use the Intel dialect. If we ever support more dialects we'll need to add additional state to the attribute. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161641 91177308-0d34-0410-b5e6-96231b3b80d8
* Extend the IL for selecting TLS models (PR9788)Hans Wennborg2012-06-231-4/+46
| | | | | | | | | | | | | | | This allows the user/front-end to specify a model that is better than what LLVM would choose by default. For example, a variable might be declared as @x = thread_local(initialexec) global i32 42 if it will not be used in a shared library that is dlopen'ed. If the specified model isn't supported by the target, or if LLVM can make a better choice, a different model may be used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159077 91177308-0d34-0410-b5e6-96231b3b80d8
* switch AttrListPtr::get to take an ArrayRef, simplifying a lot of clients.Chris Lattner2012-05-281-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157556 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert assert(0) to llvm_unreachableCraig Topper2012-02-071-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149967 91177308-0d34-0410-b5e6-96231b3b80d8
* [unwind removal] Remove the 'unwind' instruction parsing bits.Bill Wendling2012-02-061-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149897 91177308-0d34-0410-b5e6-96231b3b80d8
* reapply the patches reverted in r149470 that reenable ConstantDataArray,Chris Lattner2012-02-051-1/+2
| | | | | | | | | | | but with a critical fix to the SelectionDAG code that optimizes copies from strings into immediate stores: the previous code was stopping reading string data at the first nul. Address this by adding a new argument to llvm::getConstantStringInfo, preserving the behavior before the patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149800 91177308-0d34-0410-b5e6-96231b3b80d8
* TypoPete Cooper2012-02-011-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149562 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert Chris' commits up to r149348 that started causing VMCoreTests unit ↵Argyrios Kyrtzidis2012-02-011-2/+1
| | | | | | | | | | | | | | | | | | | test to fail. These are: r149348 r149351 r149352 r149354 r149356 r149357 r149361 r149362 r149364 r149365 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149470 91177308-0d34-0410-b5e6-96231b3b80d8
* eliminate the "string" form of ConstantArray::get, usingChris Lattner2012-01-311-1/+2
| | | | | | | ConstantDataArray::getString instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149365 91177308-0d34-0410-b5e6-96231b3b80d8
* More dead code removal (using -Wunreachable-code)David Blaikie2012-01-201-5/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148578 91177308-0d34-0410-b5e6-96231b3b80d8
* Extend Attributes to 64 bitsKostya Serebryany2012-01-201-9/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | Problem: LLVM needs more function attributes than currently available (32 bits). One such proposed attribute is "address_safety", which shows that a function is being checked for address safety (by AddressSanitizer, SAFECode, etc). Solution: - extend the Attributes from 32 bits to 64-bits - wrap the object into a class so that unsigned is never erroneously used instead - change "unsigned" to "Attributes" throughout the code, including one place in clang. - the class has no "operator uint64 ()", but it has "uint64_t Raw() " to support packing/unpacking. - the class has "safe operator bool()" to support the common idiom: if (Attributes attr = getAttrs()) useAttrs(attr); - The CTOR from uint64_t is marked explicit, so I had to add a few explicit CTOR calls - Add the new attribute "address_safety". Doing it in the same commit to check that attributes beyond first 32 bits actually work. - Some of the functions from the Attribute namespace are worth moving inside the class, but I'd prefer to have it as a separate commit. Tested: "make check" on Linux (32-bit and 64-bit) and Mac (10.6) built/run spec CPU 2006 on Linux with clang -O2. This change will break clang build in lib/CodeGen/CGCall.cpp. The following patch will fix it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148553 91177308-0d34-0410-b5e6-96231b3b80d8
* Add 'llvm_unreachable' to passify GCC's understanding of the constraintsChandler Carruth2012-01-101-0/+1
| | | | | | | | of several newly un-defaulted switches. This also helps optimizers (including LLVM's) recognize that every case is covered, and we should assume as much. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147861 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unnecessary default cases in switches that cover all enum values.David Blaikie2012-01-101-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147855 91177308-0d34-0410-b5e6-96231b3b80d8
* The powers that be have decided that LLVM IR should now support 16-bitDan Gohman2011-12-171-6/+9
| | | | | | | | | "half precision" floating-point with a first-class type. This patch adds basic IR support (but not codegen support). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146786 91177308-0d34-0410-b5e6-96231b3b80d8
* Push StringRefs through the metadata interface.Benjamin Kramer2011-12-061-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145934 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for vectors of pointers.Nadav Rotem2011-12-051-9/+26
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145801 91177308-0d34-0410-b5e6-96231b3b80d8
* remove asmparsing and documentation support for "volatile load", which was ↵Chris Lattner2011-11-271-26/+6
| | | | | | only produced by LLVM 2.9 and earlier. LLVM 3.0 and later prefers "load volatile". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145172 91177308-0d34-0410-b5e6-96231b3b80d8
* remove autoupgrade support for really old-style debug info intrinsics.Chris Lattner2011-11-271-2/+0
| | | | | | | | I think this is the last of autoupgrade that can be removed in 3.1. Can the atomic upgrade stuff also go? git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145169 91177308-0d34-0410-b5e6-96231b3b80d8
* remove autoupgrade support for LLVM 2.9 exception stuff. Mainline supportsChris Lattner2011-11-271-3/+0
| | | | | | | LLVM 3.0 and later. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145165 91177308-0d34-0410-b5e6-96231b3b80d8
* Backing out patch. Will refactor to remove the AsmParser dependency on Target.Lang Hames2011-10-181-6/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142323 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-applying the target data layout verification patch from r142288, plus ↵Lang Hames2011-10-171-0/+6
| | | | | | | | | appropriate CMake dependencies. Thanks to Raphael Espindola for tracking down the CMake issues. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142306 91177308-0d34-0410-b5e6-96231b3b80d8
* 142288 broke the build:Rafael Espindola2011-10-171-6/+0
| | | | | | | | | | | | Linking CXX executable ../../bin/llvm-as ../../lib/libLLVMAsmParser.a(LLParser.cpp.o):/home/espindola/llvm/llvm/lib/AsmParser/LLParser.cpp:function llvm::LLParser::ParseTargetDefinition(): error: undefined reference to 'llvm::TargetData::parseSpecifier(llvm::StringRef, llvm::TargetData*)' clang-3: error: linker command failed with exit code 1 (use -v to see invocation) Revert "Validate target data layout strings." This reverts commit 599d2d4c25d3aee63a21d9c67a88cd43bd971b7e. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142296 91177308-0d34-0410-b5e6-96231b3b80d8
* Validate target data layout strings.Lang Hames2011-10-171-0/+6
| | | | | | | Invalid strings in asm files will result in parse errors. Invalid string literals passed to TargetData constructors will result in an assertion. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142288 91177308-0d34-0410-b5e6-96231b3b80d8
* Add the returns_twice attribute to LLVM.Rafael Espindola2011-10-031-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141001 91177308-0d34-0410-b5e6-96231b3b80d8
* Auto upgrade the old EH scheme to use the new one. This is on a trial basis. IfBill Wendling2011-08-271-0/+3
| | | | | | | things to disasterously over night, this can be reverted. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138702 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused variable.Duncan Sands2011-08-181-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137933 91177308-0d34-0410-b5e6-96231b3b80d8
* Move "atomic" and "volatile" designations on instructions after the opcodeEli Friedman2011-08-121-32/+67
| | | | | | | | | | | | of the instruction. Note that this change affects the existing non-atomic load and store instructions; the parser now accepts both forms, and the change is noted in the release notes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137527 91177308-0d34-0410-b5e6-96231b3b80d8
* Add checks for the landingpad instruction's clause values to make sure thatBill Wendling2011-08-121-0/+10
| | | | | | | they're the correct type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137511 91177308-0d34-0410-b5e6-96231b3b80d8
* Initial commit of the 'landingpad' instruction.Bill Wendling2011-08-121-0/+42
| | | | | | | | | | | | | This implements the 'landingpad' instruction. It's used to indicate that a basic block is a landing pad. There are several restrictions on its use (see LangRef.html for more detail). These restrictions allow the exception handling code to gather the information it needs in a much more sane way. This patch has the definition, implementation, C interface, parsing, and bitcode support in it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137501 91177308-0d34-0410-b5e6-96231b3b80d8
* switch to use the new api for structtypes.Chris Lattner2011-08-121-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137480 91177308-0d34-0410-b5e6-96231b3b80d8
* Representation of 'atomic load' and 'atomic store' in IR.Eli Friedman2011-08-091-9/+34
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137170 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused variables.Benjamin Kramer2011-08-031-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136803 91177308-0d34-0410-b5e6-96231b3b80d8
* Add the 'resume' instruction for the new EH rewrite.Bill Wendling2011-07-311-0/+12
| | | | | | | | | | This adds the 'resume' instruction class, IR parsing, and bitcode reading and writing. The 'resume' instruction resumes propagation of an existing (in-flight) exception whose unwinding was interrupted with a 'landingpad' instruction (to be added later). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136589 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r136253, r136263, r136269, r136313, r136325, r136326, r136329, r136338,Bill Wendling2011-07-301-65/+0
| | | | | | | | | r136339, r136341, r136369, r136387, r136392, r136396, r136429, r136430, r136444, r136445, r136446, r136253 pending review. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136556 91177308-0d34-0410-b5e6-96231b3b80d8
* LangRef and basic memory-representation/reading/writing for 'cmpxchg' andEli Friedman2011-07-281-0/+97
| | | | | | | | | | | | | | | | | | | | | | | 'atomicrmw' instructions, which allow representing all the current atomic rmw intrinsics. The allowed operands for these instructions are heavily restricted at the moment; we can probably loosen it a bit, but supporting general first-class types (where it makes sense) might get a bit complicated, given how SelectionDAG works. As an initial cut, these operations do not support specifying an alignment, but it would be possible to add if we think it's useful. Specifying an alignment lower than the natural alignment would be essentially impossible to support on anything other than x86, but specifying a greater alignment would be possible. I can't think of any useful optimizations which would use that information, but maybe someone else has ideas. Optimizer/codegen support coming soon. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136404 91177308-0d34-0410-b5e6-96231b3b80d8
* The personality function should be a Function* and not just a Value*.Bill Wendling2011-07-281-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136392 91177308-0d34-0410-b5e6-96231b3b80d8
* Make sure that the landingpad instruction takes a Constant* as the clause's ↵Bill Wendling2011-07-281-3/+4
| | | | | | value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136326 91177308-0d34-0410-b5e6-96231b3b80d8
* Merge the contents from exception-handling-rewrite to the mainline.Bill Wendling2011-07-271-0/+63
| | | | | | | This adds the new instructions 'landingpad' and 'resume'. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136253 91177308-0d34-0410-b5e6-96231b3b80d8
* Initial implementation of 'fence' instruction, the new C++0x-style ↵Eli Friedman2011-07-251-0/+44
| | | | | | | | | | replacement for llvm.memory.barrier. This is just a LangRef entry and reading/writing/memory representation; optimizer+codegen support coming soon. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136009 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert GetElementPtrInst to use ArrayRef.Jay Foad2011-07-251-6/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135904 91177308-0d34-0410-b5e6-96231b3b80d8
* Make better use of ConstantExpr::getGetElementPtr's InBounds parameter.Jay Foad2011-07-211-3/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135676 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert ConstantExpr::getGetElementPtr andJay Foad2011-07-211-5/+3
| | | | | | | ConstantExpr::getInBoundsGetElementPtr to use ArrayRef. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135673 91177308-0d34-0410-b5e6-96231b3b80d8
* Migrate LLVM and Clang to use the new makeArrayRef(...) functions where ↵Frits van Bommel2011-07-181-2/+2
| | | | | | | | | previously explicit non-default constructors were used. Mostly mechanical with some manual reformatting. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135390 91177308-0d34-0410-b5e6-96231b3b80d8
* land David Blaikie's patch to de-constify Type, with a few tweaks.Chris Lattner2011-07-181-23/+23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135375 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert CallInst and InvokeInst APIs to use ArrayRef.Jay Foad2011-07-151-3/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135265 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert InsertValueInst and ExtractValueInst APIs to use ArrayRef.Jay Foad2011-07-131-14/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135040 91177308-0d34-0410-b5e6-96231b3b80d8
* Second attempt at de-constifying LLVM Types in FunctionType::get(),Jay Foad2011-07-121-4/+4
| | | | | | StructType::get() and TargetData::getIntPtrType(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134982 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r134893 and r134888 (and related patches in other trees). It was causingBill Wendling2011-07-121-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | an assert on Darwin llvm-gcc builds. Assertion failed: (castIsValid(op, S, Ty) && "Invalid cast!"), function Create, file /Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/build.llvm-gcc-i386-darwin9-RA/llvm.src/lib/VMCore/Instructions.cpp, li\ ne 2067. etc. http://smooshlab.apple.com:8013/builders/llvm-gcc-i386-darwin9-RA/builds/2354 --- Reverse-merging r134893 into '.': U include/llvm/Target/TargetData.h U include/llvm/DerivedTypes.h U tools/bugpoint/ExtractFunction.cpp U unittests/Support/TypeBuilderTest.cpp U lib/Target/ARM/ARMGlobalMerge.cpp U lib/Target/TargetData.cpp U lib/VMCore/Constants.cpp U lib/VMCore/Type.cpp U lib/VMCore/Core.cpp U lib/Transforms/Utils/CodeExtractor.cpp U lib/Transforms/Instrumentation/ProfilingUtils.cpp U lib/Transforms/IPO/DeadArgumentElimination.cpp U lib/CodeGen/SjLjEHPrepare.cpp --- Reverse-merging r134888 into '.': G include/llvm/DerivedTypes.h U include/llvm/Support/TypeBuilder.h U include/llvm/Intrinsics.h U unittests/Analysis/ScalarEvolutionTest.cpp U unittests/ExecutionEngine/JIT/JITTest.cpp U unittests/ExecutionEngine/JIT/JITMemoryManagerTest.cpp U unittests/VMCore/PassManagerTest.cpp G unittests/Support/TypeBuilderTest.cpp U lib/Target/MBlaze/MBlazeIntrinsicInfo.cpp U lib/Target/Blackfin/BlackfinIntrinsicInfo.cpp U lib/VMCore/IRBuilder.cpp G lib/VMCore/Type.cpp U lib/VMCore/Function.cpp G lib/VMCore/Core.cpp U lib/VMCore/Module.cpp U lib/AsmParser/LLParser.cpp U lib/Transforms/Utils/CloneFunction.cpp G lib/Transforms/Utils/CodeExtractor.cpp U lib/Transforms/Utils/InlineFunction.cpp U lib/Transforms/Instrumentation/GCOVProfiling.cpp U lib/Transforms/Scalar/ObjCARC.cpp U lib/Transforms/Scalar/SimplifyLibCalls.cpp U lib/Transforms/Scalar/MemCpyOptimizer.cpp G lib/Transforms/IPO/DeadArgumentElimination.cpp U lib/Transforms/IPO/ArgumentPromotion.cpp U lib/Transforms/InstCombine/InstCombineCompares.cpp U lib/Transforms/InstCombine/InstCombineAndOrXor.cpp U lib/Transforms/InstCombine/InstCombineCalls.cpp U lib/CodeGen/DwarfEHPrepare.cpp U lib/CodeGen/IntrinsicLowering.cpp U lib/Bitcode/Reader/BitcodeReader.cpp git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134949 91177308-0d34-0410-b5e6-96231b3b80d8
* De-constify Types in FunctionType::get().Jay Foad2011-07-111-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134888 91177308-0d34-0410-b5e6-96231b3b80d8
* Land the long talked about "type system rewrite" patch. ThisChris Lattner2011-07-091-313/+262
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | patch brings numerous advantages to LLVM. One way to look at it is through diffstat: 109 files changed, 3005 insertions(+), 5906 deletions(-) Removing almost 3K lines of code is a good thing. Other advantages include: 1. Value::getType() is a simple load that can be CSE'd, not a mutating union-find operation. 2. Types a uniqued and never move once created, defining away PATypeHolder. 3. Structs can be "named" now, and their name is part of the identity that uniques them. This means that the compiler doesn't merge them structurally which makes the IR much less confusing. 4. Now that there is no way to get a cycle in a type graph without a named struct type, "upreferences" go away. 5. Type refinement is completely gone, which should make LTO much MUCH faster in some common cases with C++ code. 6. Types are now generally immutable, so we can use "Type *" instead "const Type *" everywhere. Downsides of this patch are that it removes some functions from the C API, so people using those will have to upgrade to (not yet added) new API. "LLVM 3.0" is the right time to do this. There are still some cleanups pending after this, this patch is large enough as-is. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134829 91177308-0d34-0410-b5e6-96231b3b80d8
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