[cfe-commits] r149855 - /cfe/trunk/lib/CodeGen/CGExprScalar.cpp

[Eli Friedman]

On Sun, Feb 5, 2012 at 9:05 PM, Craig Topper <craig.topper at gmail.com> wrote:
> Author: ctopper
> Date: Sun Feb  5 23:05:50 2012
> New Revision: 149855
>
> URL: http://llvm.org/viewvc/llvm-project?rev=149855&view=rev
> Log:
> Fix vector splat casts to cast element to the appropriate vector element before inserting into the vector. Fixes PR11930.
>
> Modified:
>    cfe/trunk/lib/CodeGen/CGExprScalar.cpp

Testcase, please.

-Eli

> Modified: cfe/trunk/lib/CodeGen/CGExprScalar.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGExprScalar.cpp?rev=149855&r1=149854&r2=149855&view=diff
> ==============================================================================
> --- cfe/trunk/lib/CodeGen/CGExprScalar.cpp (original)
> +++ cfe/trunk/lib/CodeGen/CGExprScalar.cpp Sun Feb  5 23:05:50 2012
> @@ -1190,6 +1190,8 @@
>   case CK_VectorSplat: {
>     llvm::Type *DstTy = ConvertType(DestTy);
>     Value *Elt = Visit(const_cast<Expr*>(E));
> +    Elt = EmitScalarConversion(Elt, E->getType(),
> +                               DestTy->getAs<VectorType>()->getElementType());
>
>     // Insert the element in element zero of an undef vector
>     llvm::Value *UnV = llvm::UndefValue::get(DstTy);
>
>
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