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2012-08-23Tristate mayLoad, mayStore, and hasSideEffects.Jakob Stoklund Olesen
Keep track of the set/unset state of these bits along with their true/false values, but treat '?' as '0' for now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162461 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-23Add CodeGenTarget::guessInstructionProperties.Jakob Stoklund Olesen
Currently, TableGen just guesses instruction properties when it can't infer them form patterns. This adds a guessInstructionProperties flag to the instruction set definition that will be used to disable guessing. The flag is intended as a migration aid. It will be removed again when no more targets need their properties guessed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162460 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-23Fix attributes on X86 store intrinsics.Jakob Stoklund Olesen
These intrinsics don't have unmodeled side effects, they are just stores. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162459 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-23Fix a stub signature. HeuristicReduce should return a bool.Lang Hames
This should fix a -Wdocumentation warning. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162458 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-23Fix a bunch of -Wdocumentation warnings.Dmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162446 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-23Make the setInst method take its MCInst parameter by reference, a la Jim'sLang Hames
change in r162404. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162431 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-23Simplify the computeOperandLatency API.Andrew Trick
The logic for recomputing latency based on a ScheduleDAG edge was shady. This bypasses the problem by requiring the client to provide operand indices. This ensures consistent use of the machine model's API. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162420 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-22Fix an assortment of doxygen comment mistakes found by -Wdocumentation.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162411 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-22Print out the location of expanded multiclass defs in TableGen errors.Jakob Stoklund Olesen
When reporting an error for a defm, we would previously only report the location of the outer defm, which is not always where the error is. Now we also print the location of the expanded multiclass defs: lib/Target/X86/X86InstrSSE.td:2902:12: error: foo defm ADD : basic_sse12_fp_binop_s<0x58, "add", fadd, SSE_ALU_ITINS_S>, ^ lib/Target/X86/X86InstrSSE.td:2801:11: note: instantiated from multiclass defm PD : sse12_fp_packed<opc, !strconcat(OpcodeStr, "pd"), OpNode, VR128, ^ lib/Target/X86/X86InstrSSE.td:194:5: note: instantiated from multiclass def rm : PI<opc, MRMSrcMem, (outs RC:$dst), (ins RC:$src1, x86memop:$src2), ^ git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162409 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-22MCInstFragment constructor should take by-reference MCInst.Jim Grosbach
The MCInst is immediately passed to the copy-constructor for local storage, so there's no need for the parameter itself to be by-value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162404 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-22Add a getName function to MachineFunction. Use it in places that previously ↵Craig Topper
did getFunction()->getName(). Remove includes of Function.h that are no longer needed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162347 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-22For mips64 switch statements in subroutines could generate Jack Carter
within the codegen EK_GPRel64BlockAddress. This was not supported for direct object output and resulted in an assertion. This change adds support for EK_GPRel64BlockAddress for direct object. One fallout from this is to turn on rela relocations for mips64 to match gas. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162334 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21Merge up to r162331, git commit bc363931085587bac42a40653962a3e5acd1ffceDerek Schuff
2012-08-22Reduce alignment of SmallVector<T> to the required amount, rather than ↵Richard Smith
forcing 16-byte alignment. This fixes misaligned SmallVector accesses via ExtractValueInst's SmallVector data member. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162331 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21Add a few functions to TargetLibraryInfo as part of PR13574.Chad Rosier
Patch by Weiming Zhao <weimingz@codeaurora.org>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162329 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21Fix misaligned access in MachO object file reader: despite containing anRichard Smith
int64_t, Symbol64TableEntry is actually only stored with 4-byte alignment within the file. The usage of #pragma pack here is copied from the corresponding code in Support/Endian.h, so shouldn't introduce any new portability problems. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162312 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21[ms-inline asm] Do not report a Parser error when matching inline assembly.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162306 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21Provide a portability macro for __builtin_trap.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162300 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21[ms-inline asm] Expose the ErrorInfo from the MatchInstructionImpl. In general,Chad Rosier
this is the index of the operand that failed to match. Note: This may cause a buildbot failure due to an API mismatch in clang. Should recover with my next commit to clang. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162295 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21Pacify PVS-Studio by changing the type rather than doing a cast, a tweakDuncan Sands
suggested by David Blaikie. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162286 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21Add support for the --param ssp-buffer-size= driver option.Chad Rosier
PR9673 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162284 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21PVS-Studio noticed that EmitVBR64 would perform undefined behaviour if theDuncan Sands
number of bits was bigger than 32. I checked every use of this function that I could find and it looks like the maximum number of bits is 32, so I've added an assertion checking this property, and a type cast to (hopefully) stop PVS-Studio from warning about this in the future. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162277 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-20Fix a quadratic algorithm in MachineBranchProbabilityInfo.Jakob Stoklund Olesen
The getSumForBlock function was quadratic in the number of successors because getSuccWeight would perform a linear search for an already known iterator. This patch was originally committed as r161460, but reverted again because of assertion failures. Now that duplicate Machine CFG edges have been eliminated, this works properly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162233 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-20Clarify that duplicate edges are not allowed in the Machine CFG.Jakob Stoklund Olesen
LLVM IR has labeled duplicate CFG edges, but since Machine CFG edges don't have labels, it doesn't make sense to allow duplicates. There is no way of telling what the edges mean. Duplicate CFG edges cause confusion when dealing with edge weights. It seems that code producing duplicate CFG edges usually does the wrong thing with edge weights. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162227 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-17Merge commit 'c723eb1aef817d47feec620933ee1ec6005cdd14'Derek Schuff
This merges r159618 from upstream into master. It goes with clang rev af50aab0c317462129d73ae8000c6394c718598d Conflicts: include/llvm/CodeGen/LexicalScopes.h include/llvm/Target/TargetOptions.h lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp lib/Target/ARM/ARMBaseInstrInfo.cpp lib/Target/ARM/ARMTargetMachine.cpp lib/Target/ARM/ARMTargetObjectFile.cpp lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp lib/Target/Mips/MipsISelDAGToDAG.cpp lib/Target/Mips/MipsInstrFPU.td lib/Target/Mips/MipsMCInstLower.cpp lib/Target/Mips/MipsTargetMachine.cpp lib/Target/TargetMachine.cpp lib/Target/X86/X86ISelLowering.cpp lib/Target/X86/X86RegisterInfo.cpp lib/Target/X86/X86TargetObjectFile.cpp lib/Target/X86/X86TargetObjectFile.h tools/llc/llc.cpp (tools/llc/llc.cpp is from a merged version of r160532 because it was a bit hairy and I didn't want to redo it.)
2012-08-17Correct MCJIT functionality for MIPS32 architecture.Akira Hatanaka
No new tests are added. All tests in ExecutionEngine/MCJIT that have been failing pass after this patch is applied (when "make check" is done on a mips board). Patch by Petar Jovanovic. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162135 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-17Add stub methods for mips assembly matcher. Akira Hatanaka
Patch by Vladimir Medic. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162124 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-17MemoryBuiltins: Properly guard ObjectSizeOffsetVisitor against cycles in the IR.Benjamin Kramer
The previous fix only checked for simple cycles, use a set to catch longer cycles too. Drop the broken check from the ObjectSizeOffsetEvaluator. The BoundsChecking pass doesn't have to deal with invalid IR like InstCombine does. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162120 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-17Change the `linker_private_weak_def_auto' linkage to `linkonce_odr_auto_hide' toBill Wendling
make it more consistent with its intended semantics. The `linker_private_weak_def_auto' linkage type was meant to automatically hide globals which never had their addresses taken. It has nothing to do with the `linker_private' linkage type, which outputs the symbols with a `l' (ell) prefix among other things. The intended semantic is more like the `linkonce_odr' linkage type. Change the name of the linkage type to `linkonce_odr_auto_hide'. And therefore changing the semantics so that it produces the correct output for the linker. Note: The old linkage name `linker_private_weak_def_auto' will still parse but is not a synonym for `linkonce_odr_auto_hide'. This should be removed in 4.0. <rdar://problem/11754934> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162114 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-17Insertion of NoFolder functions to avoid ambiguous overload warnings or ↵Jin-Gu Kang
errors about whether to convert Idx to ArrayRef<Constant *> or ArrayRef<Value *> like ConstantFolder and TargetFolder. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162090 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-17Test commit.Pranav Bhandarkar
include/llvm/IntrinsicsHexagon.td: Hexagon_Intrinsic is the base class for all Hexagon intrinsics and not altivec intrinsics. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162087 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-17Flatten the aligned-char-array utility template to be a directlyChandler Carruth
templated union at the request of Richard Smith. This makes it substantially easier to type. =] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162072 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-16Add an MCID::Select flag and TII hooks for optimizing selects.Jakob Stoklund Olesen
Select instructions pick one of two virtual registers based on a condition, like x86 cmov. On targets like ARM that support predication, selects can sometimes be eliminated by predicating the instruction defining one of the operands. Teach PeepholeOptimizer to recognize select instructions, and ask the target to optimize them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162059 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-16MCFragment merging reduxDavid Sehr
Re-enable MCFragment merging that was disabled due to failing sel_ldr_sled_tests. The CL is mostly identical to http://codereview.chromium.org/10825312/ except that we correctly note the effect on offset within a bundle of: 1) instructions that are not relaxable but contain fixups, and 2) alignment directives BUG= http://code.google.com/p/nativeclient/issues/detail?id=2545 TEST=none Review URL: https://chromiumcodereview.appspot.com/10827365
2012-08-16Revert r162034, r162035 and r162037.Roman Divacky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162039 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-16Add PPC64 relocations definitions, by Adhemerval Zanella.Roman Divacky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162035 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-16Handle PowerPC.Roman Divacky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162034 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-16Teach GVN to reason about edges dominating uses. This allows it to handle casesRafael Espindola
where some fact lake a=b dominates a use in a phi, but doesn't dominate the basic block itself. This feature could also be implemented by splitting critical edges, but at least with the current algorithm reasoning about the dominance directly is faster. The time for running "opt -O2" in the testcase in pr10584 is 1.003 times slower and on gcc as a single file it is 1.0007 times faster. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162023 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-16Add dump/dumpr methods to SDValue.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162014 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-15Add a CoveringSubRegIndices field to SubRegIndex records.Jakob Stoklund Olesen
This can be used to tell TableGen to use a specific SubRegIndex instead of synthesizing one when discovering all sub-registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161982 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-15Properly test the LLVM_USE_RVALUE_REFERENCES macro.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161978 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-15[PathV2] Add mapped_file_region. Implementation for Windows and POSIX.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161976 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-15Add LLVM_DELETED_FUNCTION compatibility macro.Michael J. Spencer
This should replace uses of: class A { A(const &A); // DO NOT IMPLEMENT public: ... }; git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161975 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-15Fix a typo in VariadicFunction.h that leads to invalid code in macro expansion.Chad Rosier
Patch by Andy Gibbs <andyg1001@hotmail.co.uk> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161973 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-15Set the branch probability of branching to the 'normal' destination of an invokeBill Wendling
instruction to something absurdly high, while setting the probability of branching to the 'unwind' destination to the bare minimum. This should set cause the normal destination's invoke blocks to be moved closer to the invoke. PR13612 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161944 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-14[yaml2obj] Fix incorrect use of signed values.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161900 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-14Revert "Add an API to MCSectionData that tracks known offsets for text ↵Jan Voung
emitted into a" This reverts commit 4c5c9165c7175ee84c68a589a1b7b68fde48a86a. It is causing mysterious validation failures in "test-arm-pic". BUG= http://code.google.com/p/nativeclient/issues/detail?id=2545 Review URL: https://chromiumcodereview.appspot.com/10832307
2012-08-14Switch the fixed-length disassembler to be table-driven.Jim Grosbach
Refactor the TableGen'erated fixed length disassemblmer to use a table-driven state machine rather than a massive set of nested switch() statements. As a result, the ARM Disassembler (ARMDisassembler.cpp) builds much more quickly and generates a smaller end result. For a Release+Asserts build on a 16GB 3.4GHz i7 iMac w/ SSD: Time to compile at -O2 (averaged w/ hot caches): Previous: 35.5s New: 8.9s TEXT size: Previous: 447,251 New: 297,661 Builds in 25% of the time previously required and generates code 66% of the size. Execution time of the disassembler is only slightly slower (7% disassembling 10 million ARM instructions, 19.6s vs 21.0s). The new implementation has not yet been tuned, however, so the performance should almost certainly be recoverable should it become a concern. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161888 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-14Add an API to MCSectionData that tracks known offsets for text emitted into aDavid Sehr
section. When the offset is known and an instruction would not span a bundle boundary, the streamer can continue extending an MCFragment. BUG= http://code.google.com/p/nativeclient/issues/detail?id=2545 TEST=none Review URL: http://codereview.chromium.org/10825312/
2012-08-14Avoid undefined behavior in DenseMap::shrink_and_clear(). Log2_32_Ceil(0)Richard Smith
returns 32. This change mirrors the corresponding code in SmallDenseMap::shrink_and_clear(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161829 91177308-0d34-0410-b5e6-96231b3b80d8