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minor tweak to anders patch: (only) ocu vectors support splatting, but 

ocu vectors should not treat bitcasts from int <-> vector as a splat
unless it is of the element type.

llvm-svn: 46664
This commit is contained in:
Chris Lattner 2008-02-02 04:51:41 +00:00
parent 6fa0813186
commit 6cba8e9d66
1 changed files with 4 additions and 7 deletions
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11
clang/CodeGen/CGExprScalar.cpp
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@ -371,18 +371,15 @@ Value *ScalarExprEmitter::EmitScalarConversion(Value *Src, QualType SrcType,
}
// A scalar source can be splatted to an OCU vector of the same element type
if (DstType->isOCUVectorType() && !isa<VectorType>(SrcType)) {
const llvm::VectorType *VT = cast<llvm::VectorType>(DstTy);
assert((VT->getElementType() == Src->getType()) &&
"Vector element type must match scalar type to splat.");
if (DstType->isOCUVectorType() && !isa<VectorType>(SrcType) &&
cast<llvm::VectorType>(DstTy)->getElementType() == Src->getType())
return CGF.EmitVector(&Src, DstType->getAsVectorType()->getNumElements(),
true);
}
// Allow bitcast from vector to integer/fp of the same size.
if (isa<llvm::VectorType>(Src->getType()) ||
isa<llvm::VectorType>(DstTy)) {
isa<llvm::VectorType>(DstTy))
return Builder.CreateBitCast(Src, DstTy, "conv");
}
// Finally, we have the arithmetic types: real int/float.
if (isa<llvm::IntegerType>(Src->getType())) {