[llvm-commits] [llvm] r168889 - /llvm/trunk/lib/Transforms/Instrumentation/MemorySanitizer.cpp

[Kostya Serebryany]

Unittests?
(I know, we'll have this tested in runnable tests, but .ll tests won't
hurt).

On Thu, Nov 29, 2012 at 7:22 PM, Evgeniy Stepanov <eugeni.stepanov at gmail.com
> wrote:

> Author: eugenis
> Date: Thu Nov 29 09:22:06 2012
> New Revision: 168889
>
> URL: http://llvm.org/viewvc/llvm-project?rev=168889&view=rev
> Log:
> [msan] Handle vector manipulation instructions.
>
> Handle insertelement, extractelement, shufflevector.
>
> 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=168889&r1=168888&r2=168889&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Transforms/Instrumentation/MemorySanitizer.cpp
> (original)
> +++ llvm/trunk/lib/Transforms/Instrumentation/MemorySanitizer.cpp Thu Nov
> 29 09:22:06 2012
> @@ -743,6 +743,31 @@
>        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);
>
>
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