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This is the first commit in a series that add an @llvm.assume intrinsic which can be used to provide the optimizer with a condition it may assume to be true (when the control flow would hit the intrinsic call). Some basic properties are added here: - llvm.invariant(true) is dead. - llvm.invariant(false) is unreachable (this directly corresponds to the documented behavior of MSVC's __assume(0)), so is llvm.invariant(undef). The intrinsic is tagged as writing arbitrarily, in order to maintain control dependencies. BasicAA has been updated, however, to return NoModRef for any particular location-based query so that we don't unnecessarily block code motion. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213973 91177308-0d34-0410-b5e6-96231b3b80d8 |
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.. | ||
AddDiscriminators.cpp | ||
ASanStackFrameLayout.cpp | ||
BasicBlockUtils.cpp | ||
BreakCriticalEdges.cpp | ||
BuildLibCalls.cpp | ||
BypassSlowDivision.cpp | ||
CloneFunction.cpp | ||
CloneModule.cpp | ||
CMakeLists.txt | ||
CmpInstAnalysis.cpp | ||
CodeExtractor.cpp | ||
CtorUtils.cpp | ||
DemoteRegToStack.cpp | ||
FlattenCFG.cpp | ||
GlobalStatus.cpp | ||
InlineFunction.cpp | ||
InstructionNamer.cpp | ||
IntegerDivision.cpp | ||
LCSSA.cpp | ||
LLVMBuild.txt | ||
Local.cpp | ||
LoopSimplify.cpp | ||
LoopUnroll.cpp | ||
LoopUnrollRuntime.cpp | ||
LowerExpectIntrinsic.cpp | ||
LowerInvoke.cpp | ||
LowerSwitch.cpp | ||
Makefile | ||
Mem2Reg.cpp | ||
MetaRenamer.cpp | ||
ModuleUtils.cpp | ||
PromoteMemoryToRegister.cpp | ||
SimplifyCFG.cpp | ||
SimplifyIndVar.cpp | ||
SimplifyInstructions.cpp | ||
SimplifyLibCalls.cpp | ||
SSAUpdater.cpp | ||
UnifyFunctionExitNodes.cpp | ||
Utils.cpp | ||
ValueMapper.cpp |