Matt Morehouse e62fc3d0b6 [InstCombine] Disable strcmp->memcmp transform for MSan. ...

Summary:
The strcmp->memcmp transform can make the resulting memcmp read
uninitialized data, which MSan doesn't like.

Resolves https://github.com/google/sanitizers/issues/993.

Reviewers: eugenis, xbolva00

Reviewed By: eugenis

Subscribers: hiraditya, llvm-commits

Differential Revision: https://reviews.llvm.org/D52272

llvm-svn: 342582

2018-09-19 19:37:24 +00:00

..

AddDiscriminators.cpp

Rename DEBUG macro to LLVM_DEBUG.

2018-05-14 12:53:11 +00:00

ASanStackFrameLayout.cpp

[asan] Add a full redzone after every stack variable

2017-11-18 01:13:18 +00:00

BasicBlockUtils.cpp

[IR] Sink isExceptional predicate to Instruction, rename it to

2018-08-26 08:56:42 +00:00

BreakCriticalEdges.cpp

[MemorySSA] Update MemoryPhi wiring for block splitting to consider if identical edges were merged.

2018-09-07 21:14:48 +00:00

BuildLibCalls.cpp

[InstCombine] Don't transform sin/cos -> tanl if for half types

2018-09-19 12:01:38 +00:00

BypassSlowDivision.cpp

[BypassSlowDivision] Teach bypass slow division not to interfere with div by constant where constants have been constant hoisted, but not moved from their basic block

2018-08-21 17:15:33 +00:00

CallPromotionUtils.cpp

Remove trailing space

2018-07-30 19:41:25 +00:00

CloneFunction.cpp

[CloneFunction] Constant fold terminators before checking single predecessor

2018-08-28 12:40:11 +00:00

CloneModule.cpp

Allow creating llvm::Function in non-zero address spaces

2018-08-23 09:25:17 +00:00

CMakeLists.txt

[NFC] Move OrderedInstructions and InstructionPrecedenceTracking to Analysis

2018-08-30 04:49:03 +00:00

CodeExtractor.cpp

[x86/SLH] Add a real Clang flag and LLVM IR attribute for Speculative

2018-09-04 12:38:00 +00:00

CtorUtils.cpp

Rename DEBUG macro to LLVM_DEBUG.

2018-05-14 12:53:11 +00:00

DemoteRegToStack.cpp

[IR] Replace isa<TerminatorInst> with isTerminator().

2018-08-26 09:51:22 +00:00

EntryExitInstrumenter.cpp

EntryExitInstrumenter: Handle musttail calls

2018-04-06 10:14:09 +00:00

EscapeEnumerator.cpp

Move Analysis/Utils/Local.h back to Transforms

2018-06-04 21:23:21 +00:00

Evaluator.cpp

[IR] Replace isa<TerminatorInst> with isTerminator().

2018-08-26 09:51:22 +00:00

FlattenCFG.cpp

Move Analysis/Utils/Local.h back to Transforms

2018-06-04 21:23:21 +00:00

FunctionComparator.cpp

Use SmallPtrSet explicitly for SmallSets with pointer types (NFC).

2018-06-12 11:16:56 +00:00

FunctionImportUtils.cpp

[ThinLTO] Clear dllimport when setting dso_local.

2018-03-13 15:24:51 +00:00

GlobalStatus.cpp

[GlobalOpt] Fix exponential compile-time with selects.

2018-01-31 20:42:25 +00:00

GuardUtils.cpp

Revert r340921 "[NFC] Unify guards detection"

2018-08-29 12:21:32 +00:00

ImportedFunctionsInliningStatistics.cpp

[Transforms] Change std::sort to llvm::sort in response to r327219

2018-04-13 19:47:57 +00:00

InlineFunction.cpp

Enrich inline messages

2018-08-05 14:53:08 +00:00

InstructionNamer.cpp

Transforms: Introduce Transforms/Utils.h rather than spreading the declarations amongst Scalar.h and IPO.h

2018-03-28 17:44:36 +00:00

IntegerDivision.cpp

Remove trailing space

2018-07-30 19:41:25 +00:00

LCSSA.cpp

[DebugInfo][LCSSA] Preserve debug location in lcssa phis

2018-07-31 14:54:52 +00:00

LibCallsShrinkWrap.cpp

Rename DEBUG macro to LLVM_DEBUG.

2018-05-14 12:53:11 +00:00

LLVMBuild.txt

…

Local.cpp

[DebugInfo][Dexter] Speculated BB presents illegal variable value to debugger.

2018-09-19 08:16:56 +00:00

LoopRotationUtils.cpp

[IR] Replace isa<TerminatorInst> with isTerminator().

2018-08-26 09:51:22 +00:00

LoopSimplify.cpp

Update MemorySSA in BasicBlockUtils.

2018-08-21 23:32:03 +00:00

LoopUnroll.cpp

Don't create a temporary vector of loop blocks just to iterate over them.

2018-09-10 12:32:06 +00:00

LoopUnrollAndJam.cpp

[UnJ] Rename hasInvariantIterationCount to hasIterationCountInvariantInParent NFC

2018-08-15 10:59:41 +00:00

LoopUnrollPeel.cpp

Remove trailing space

2018-07-30 19:41:25 +00:00

LoopUnrollRuntime.cpp

Update MemorySSA in BasicBlockUtils.

2018-08-21 23:32:03 +00:00

LoopUtils.cpp

Break LoopUtils into an Analysis file.

2018-09-12 01:59:43 +00:00

LoopVersioning.cpp

[LoopVersioning] Don't modify the list that we iterate over in addPHINodes

2018-05-22 08:33:02 +00:00

LowerInvoke.cpp

Support a funclet operand bundle in LowerInvoke

2018-05-09 00:53:50 +00:00

LowerMemIntrinsics.cpp

[LowerMemIntrinsics] Update uses of deprecated MemIntrinsic::getAlignment API (NFC)

2018-02-05 22:23:58 +00:00

LowerSwitch.cpp

[LowerSwitch] Fixed faulty PHI nodes

2018-07-10 12:06:16 +00:00

Mem2Reg.cpp

Transforms: Introduce Transforms/Utils.h rather than spreading the declarations amongst Scalar.h and IPO.h

2018-03-28 17:44:36 +00:00

MetaRenamer.cpp

Remove trailing space

2018-07-30 19:41:25 +00:00

ModuleUtils.cpp

ModuleUtils: Stop using comdat members to generate unique module ids.

2017-10-05 21:54:53 +00:00

NameAnonGlobals.cpp

…

PredicateInfo.cpp

[NFC] Move OrderedInstructions and InstructionPrecedenceTracking to Analysis

2018-08-30 04:49:03 +00:00

PromoteMemoryToRegister.cpp

[IR] Replace isa<TerminatorInst> with isTerminator().

2018-08-26 09:51:22 +00:00

SanitizerStats.cpp

Sort the remaining #include lines in include/... and lib/....

2017-06-06 11:49:48 +00:00

SimplifyCFG.cpp

[DebugInfo][Dexter] Speculated BB presents illegal variable value to debugger.

2018-09-19 08:16:56 +00:00

SimplifyIndVar.cpp

Remove trailing space

2018-07-30 19:41:25 +00:00

SimplifyLibCalls.cpp

[InstCombine] Disable strcmp->memcmp transform for MSan.

2018-09-19 19:37:24 +00:00

SplitModule.cpp

Rename DEBUG macro to LLVM_DEBUG.

2018-05-14 12:53:11 +00:00

SSAUpdater.cpp

Remove trailing space

2018-07-30 19:41:25 +00:00

SSAUpdaterBulk.cpp

Rename DEBUG macro to LLVM_DEBUG.

2018-05-14 12:53:11 +00:00

StripGCRelocates.cpp

Fix a couple of layering violations in Transforms

2018-03-21 22:34:23 +00:00

StripNonLineTableDebugInfo.cpp

Fix some layering in StripNonLineTableDebugInfo, moving its declaration from IPO.h to Utils.h to match its implementation

2018-03-29 22:42:08 +00:00

SymbolRewriter.cpp

Remove trailing space

2018-07-30 19:41:25 +00:00

UnifyFunctionExitNodes.cpp

Remove trailing space

2018-07-30 19:41:25 +00:00

Utils.cpp

[instsimplify] Move the instsimplify pass to use more obvious file names

2018-06-29 23:36:03 +00:00

ValueMapper.cpp

Teach ValueMapper to use ODR uniqued types when available

2018-01-30 20:16:32 +00:00

VNCoercion.cpp

[GVN] Avoid casting a vector of size less than 8 bits to i8

2018-06-21 21:43:20 +00:00