[llvm] r190689 - [msan] Add source file:line to stack origin reports.
Evgeniy Stepanov
eugeni.stepanov at gmail.com
Fri Sep 13 05:54:50 PDT 2013
Author: eugenis
Date: Fri Sep 13 07:54:49 2013
New Revision: 190689
URL: http://llvm.org/viewvc/llvm-project?rev=190689&view=rev
Log:
[msan] Add source file:line to stack origin reports.
Compiler part.
Modified:
llvm/trunk/lib/Transforms/Instrumentation/MemorySanitizer.cpp
Modified: llvm/trunk/lib/Transforms/Instrumentation/MemorySanitizer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Instrumentation/MemorySanitizer.cpp?rev=190689&r1=190688&r2=190689&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Instrumentation/MemorySanitizer.cpp (original)
+++ llvm/trunk/lib/Transforms/Instrumentation/MemorySanitizer.cpp Fri Sep 13 07:54:49 2013
@@ -213,7 +213,7 @@ class MemorySanitizer : public FunctionP
Value *MsanCopyOriginFn;
/// \brief Run-time helper that generates a new origin value for a stack
/// allocation.
- Value *MsanSetAllocaOriginFn;
+ Value *MsanSetAllocaOrigin4Fn;
/// \brief Run-time helper that poisons stack on function entry.
Value *MsanPoisonStackFn;
/// \brief MSan runtime replacements for memmove, memcpy and memset.
@@ -281,9 +281,9 @@ void MemorySanitizer::initializeCallback
MsanCopyOriginFn = M.getOrInsertFunction(
"__msan_copy_origin", IRB.getVoidTy(), IRB.getInt8PtrTy(),
IRB.getInt8PtrTy(), IntptrTy, NULL);
- MsanSetAllocaOriginFn = M.getOrInsertFunction(
- "__msan_set_alloca_origin", IRB.getVoidTy(), IRB.getInt8PtrTy(), IntptrTy,
- IRB.getInt8PtrTy(), NULL);
+ MsanSetAllocaOrigin4Fn = M.getOrInsertFunction(
+ "__msan_set_alloca_origin4", IRB.getVoidTy(), IRB.getInt8PtrTy(), IntptrTy,
+ IRB.getInt8PtrTy(), IntptrTy, NULL);
MsanPoisonStackFn = M.getOrInsertFunction(
"__msan_poison_stack", IRB.getVoidTy(), IRB.getInt8PtrTy(), IntptrTy, NULL);
MemmoveFn = M.getOrInsertFunction(
@@ -1734,10 +1734,12 @@ struct MemorySanitizerVisitor : public I
Value *Descr =
createPrivateNonConstGlobalForString(*F.getParent(),
StackDescription.str());
- IRB.CreateCall3(MS.MsanSetAllocaOriginFn,
+
+ IRB.CreateCall4(MS.MsanSetAllocaOrigin4Fn,
IRB.CreatePointerCast(&I, IRB.getInt8PtrTy()),
ConstantInt::get(MS.IntptrTy, Size),
- IRB.CreatePointerCast(Descr, IRB.getInt8PtrTy()));
+ IRB.CreatePointerCast(Descr, IRB.getInt8PtrTy()),
+ IRB.CreatePointerCast(&F, MS.IntptrTy));
}
}
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