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[asan] temporary disable generating __asan_loadN/__asan_storeN

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206741 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Kostya Serebryany 2014-04-21 10:28:13 +00:00
parent 1d16fdecd6
commit 84c70a70ba
1 changed files with 6 additions and 11 deletions
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17
lib/Transforms/Instrumentation/AddressSanitizer.cpp
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@ -613,14 +613,13 @@ void AddressSanitizer::instrumentMemIntrinsicParam(Instruction *OrigIns,
if (Size->getType() != IntptrTy) if (Size->getType() != IntptrTy)
Size = IRB.CreateIntCast(Size, IntptrTy, false); Size = IRB.CreateIntCast(Size, IntptrTy, false);
// Check the first byte. // Check the first byte.
instrumentAddress(OrigIns, InsertBefore, Addr, 8, IsWrite, Size, UseCalls); instrumentAddress(OrigIns, InsertBefore, Addr, 8, IsWrite, Size, false);
// Check the last byte. // Check the last byte.
IRB.SetInsertPoint(InsertBefore); IRB.SetInsertPoint(InsertBefore);
Value *SizeMinusOne = IRB.CreateSub(Size, ConstantInt::get(IntptrTy, 1)); Value *SizeMinusOne = IRB.CreateSub(Size, ConstantInt::get(IntptrTy, 1));
Value *AddrLong = IRB.CreatePointerCast(Addr, IntptrTy); Value *AddrLong = IRB.CreatePointerCast(Addr, IntptrTy);
Value *AddrLast = IRB.CreateAdd(AddrLong, SizeMinusOne); Value *AddrLast = IRB.CreateAdd(AddrLong, SizeMinusOne);
instrumentAddress(OrigIns, InsertBefore, AddrLast, 8, IsWrite, Size, instrumentAddress(OrigIns, InsertBefore, AddrLast, 8, IsWrite, Size, false);
UseCalls);
} }
// Instrument memset/memmove/memcpy // Instrument memset/memmove/memcpy
@ -768,8 +767,8 @@ void AddressSanitizer::instrumentMop(Instruction *I, bool UseCalls) {
ConstantInt::get(IntptrTy, TypeSize / 8 - 1)), ConstantInt::get(IntptrTy, TypeSize / 8 - 1)),
OrigPtrTy); OrigPtrTy);
Value *Size = ConstantInt::get(IntptrTy, TypeSize / 8); Value *Size = ConstantInt::get(IntptrTy, TypeSize / 8);
instrumentAddress(I, I, Addr, 8, IsWrite, Size, UseCalls); instrumentAddress(I, I, Addr, 8, IsWrite, Size, false);
instrumentAddress(I, I, LastByte, 8, IsWrite, Size, UseCalls); instrumentAddress(I, I, LastByte, 8, IsWrite, Size, false);
} }
// Validate the result of Module::getOrInsertFunction called for an interface // Validate the result of Module::getOrInsertFunction called for an interface
@ -825,12 +824,8 @@ void AddressSanitizer::instrumentAddress(Instruction *OrigIns,
size_t AccessSizeIndex = TypeSizeToSizeIndex(TypeSize); size_t AccessSizeIndex = TypeSizeToSizeIndex(TypeSize);
if (UseCalls) { if (UseCalls) {
if (SizeArgument) IRB.CreateCall(AsanMemoryAccessCallback[IsWrite][AccessSizeIndex],
IRB.CreateCall2(AsanMemoryAccessCallbackSized[IsWrite], AddrLong, AddrLong);
SizeArgument);
else
IRB.CreateCall(AsanMemoryAccessCallback[IsWrite][AccessSizeIndex],
AddrLong);
return; return;
} }