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[asan] Rename *UAR* into *UseAfterReturn* 

Summary:
To improve readability.

PR27453

Reviewers: kcc, eugenis, aizatsky

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D20761

llvm-svn: 271447
This commit is contained in:
Vitaly Buka 2016-06-02 00:06:42 +00:00
parent 598f55387a
commit 7b8ed4f223
1 changed files with 7 additions and 7 deletions
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14
llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp
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@ -116,7 +116,7 @@ static const char *const kAsanUnpoisonStackMemoryName =
static const char *const kAsanGlobalsRegisteredFlagName =
"__asan_globals_registered";
static const char *const kAsanOptionDetectUAR =
static const char *const kAsanOptionDetectUseAfterReturn =
"__asan_option_detect_stack_use_after_return";
static const char *const kAsanAllocaPoison = "__asan_alloca_poison";
@ -2060,13 +2060,13 @@ void FunctionStackPoisoner::poisonStack() {
// ? __asan_stack_malloc_N(LocalStackSize)
// : nullptr;
// void *LocalStackBase = (FakeStack) ? FakeStack : alloca(LocalStackSize);
Constant *OptionDetectUAR = F.getParent()->getOrInsertGlobal(
kAsanOptionDetectUAR, IRB.getInt32Ty());
Value *UARIsEnabled =
IRB.CreateICmpNE(IRB.CreateLoad(OptionDetectUAR),
Constant *OptionDetectUseAfterReturn = F.getParent()->getOrInsertGlobal(
kAsanOptionDetectUseAfterReturn, IRB.getInt32Ty());
Value *UseAfterReturnIsEnabled =
IRB.CreateICmpNE(IRB.CreateLoad(OptionDetectUseAfterReturn),
Constant::getNullValue(IRB.getInt32Ty()));
Instruction *Term =
SplitBlockAndInsertIfThen(UARIsEnabled, InsBefore, false);
SplitBlockAndInsertIfThen(UseAfterReturnIsEnabled, InsBefore, false);
IRBuilder<> IRBIf(Term);
IRBIf.SetCurrentDebugLocation(EntryDebugLocation);
StackMallocIdx = StackMallocSizeClass(LocalStackSize);
@ -2076,7 +2076,7 @@ void FunctionStackPoisoner::poisonStack() {
ConstantInt::get(IntptrTy, LocalStackSize));
IRB.SetInsertPoint(InsBefore);
IRB.SetCurrentDebugLocation(EntryDebugLocation);
FakeStack = createPHI(IRB, UARIsEnabled, FakeStackValue, Term,
FakeStack = createPHI(IRB, UseAfterReturnIsEnabled, FakeStackValue, Term,
ConstantInt::get(IntptrTy, 0));
Value *NoFakeStack =