aboutsummaryrefslogtreecommitdiffstats
path: root/lib/Transforms/Instrumentation/MemorySanitizer.cpp
diff options
context:
space:
mode:
authorEvgeniy Stepanov <eugeni.stepanov@gmail.com>2013-10-14 09:52:09 +0000
committerEvgeniy Stepanov <eugeni.stepanov@gmail.com>2013-10-14 09:52:09 +0000
commita0f6d1651b08254982244e18afcdd513ca34a3ca (patch)
tree877837e5becf44ab7cde0f06a28da23243e70875 /lib/Transforms/Instrumentation/MemorySanitizer.cpp
parent55240a5ddbaebc44c9acb0353c18a394b06f348f (diff)
downloadexternal_llvm-a0f6d1651b08254982244e18afcdd513ca34a3ca.zip
external_llvm-a0f6d1651b08254982244e18afcdd513ca34a3ca.tar.gz
external_llvm-a0f6d1651b08254982244e18afcdd513ca34a3ca.tar.bz2
[msan] Fix handling of scalar select of vectors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192575 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Instrumentation/MemorySanitizer.cpp')
-rw-r--r--lib/Transforms/Instrumentation/MemorySanitizer.cpp8
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/Transforms/Instrumentation/MemorySanitizer.cpp b/lib/Transforms/Instrumentation/MemorySanitizer.cpp
index 65db206..f158cee 100644
--- a/lib/Transforms/Instrumentation/MemorySanitizer.cpp
+++ b/lib/Transforms/Instrumentation/MemorySanitizer.cpp
@@ -1233,15 +1233,15 @@ struct MemorySanitizerVisitor : public InstVisitor<MemorySanitizerVisitor> {
Value *CreateShadowCast(IRBuilder<> &IRB, Value *V, Type *dstTy) {
Type *srcTy = V->getType();
if (dstTy->isIntegerTy() && srcTy->isIntegerTy())
- return IRB.CreateIntCast(V, dstTy, false);
+ return IRB.CreateIntCast(V, dstTy, true);
if (dstTy->isVectorTy() && srcTy->isVectorTy() &&
dstTy->getVectorNumElements() == srcTy->getVectorNumElements())
- return IRB.CreateIntCast(V, dstTy, false);
+ return IRB.CreateIntCast(V, dstTy, true);
size_t srcSizeInBits = VectorOrPrimitiveTypeSizeInBits(srcTy);
size_t dstSizeInBits = VectorOrPrimitiveTypeSizeInBits(dstTy);
Value *V1 = IRB.CreateBitCast(V, Type::getIntNTy(*MS.C, srcSizeInBits));
Value *V2 =
- IRB.CreateIntCast(V1, Type::getIntNTy(*MS.C, dstSizeInBits), false);
+ IRB.CreateIntCast(V1, Type::getIntNTy(*MS.C, dstSizeInBits), true);
return IRB.CreateBitCast(V2, dstTy);
// TODO: handle struct types.
}
@@ -1899,7 +1899,7 @@ struct MemorySanitizerVisitor : public InstVisitor<MemorySanitizerVisitor> {
} else {
// Sa = (sext Sb) | (select b, Sc, Sd)
S = IRB.CreateOr(
- S, IRB.CreateSExt(getShadow(I.getCondition()), S->getType()),
+ S, CreateShadowCast(IRB, getShadow(I.getCondition()), S->getType()),
"_msprop_select");
}
setShadow(&I, S);