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author | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2012-11-29 15:22:06 +0000 |
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committer | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2012-11-29 15:22:06 +0000 |
commit | 2aac38541708f37f9ddc5b2d3047b68835484a23 (patch) | |
tree | c9c9f1a9eddc52de6b286cc714ad027b0f58567e /lib/Transforms | |
parent | b096a9d02f1edc59a06258391fe26d3f6cddda07 (diff) | |
download | llvm-2aac38541708f37f9ddc5b2d3047b68835484a23.tar.gz llvm-2aac38541708f37f9ddc5b2d3047b68835484a23.tar.bz2 llvm-2aac38541708f37f9ddc5b2d3047b68835484a23.tar.xz |
[msan] Handle vector manipulation instructions.
Handle insertelement, extractelement, shufflevector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168889 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms')
-rw-r--r-- | lib/Transforms/Instrumentation/MemorySanitizer.cpp | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/lib/Transforms/Instrumentation/MemorySanitizer.cpp b/lib/Transforms/Instrumentation/MemorySanitizer.cpp index e74ff5c57c..4b14f44d8e 100644 --- a/lib/Transforms/Instrumentation/MemorySanitizer.cpp +++ b/lib/Transforms/Instrumentation/MemorySanitizer.cpp @@ -743,6 +743,31 @@ struct MemorySanitizerVisitor : public InstVisitor<MemorySanitizerVisitor> { IRB.CreateAlignedStore(getOrigin(Val), getOriginPtr(Addr, IRB), I.getAlignment()); } + // Vector manipulation. + void visitExtractElementInst(ExtractElementInst &I) { + insertCheck(I.getOperand(1), &I); + IRBuilder<> IRB(&I); + setShadow(&I, IRB.CreateExtractElement(getShadow(&I, 0), I.getOperand(1), + "_msprop")); + setOrigin(&I, getOrigin(&I, 0)); + } + + void visitInsertElementInst(InsertElementInst &I) { + insertCheck(I.getOperand(2), &I); + IRBuilder<> IRB(&I); + setShadow(&I, IRB.CreateInsertElement(getShadow(&I, 0), getShadow(&I, 1), + I.getOperand(2), "_msprop")); + setOriginForNaryOp(I); + } + + void visitShuffleVectorInst(ShuffleVectorInst &I) { + insertCheck(I.getOperand(2), &I); + IRBuilder<> IRB(&I); + setShadow(&I, IRB.CreateShuffleVector(getShadow(&I, 0), getShadow(&I, 1), + I.getOperand(2), "_msprop")); + setOriginForNaryOp(I); + } + // Casts. void visitSExtInst(SExtInst &I) { IRBuilder<> IRB(&I); |