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Remove broken and unnecessary vec3 handling from VisitShuffleVectorExpr. 

llvm-svn: 187558
This commit is contained in:
Craig Topper 2013-08-01 04:51:48 +00:00
parent 23252a3672
commit 0ed37bd525
1 changed files with 1 additions and 5 deletions
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6
clang/lib/CodeGen/CGExprScalar.cpp
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@ -969,13 +969,9 @@ Value *ScalarExprEmitter::VisitShuffleVectorExpr(ShuffleVectorExpr *E) {
Value* V1 = CGF.EmitScalarExpr(E->getExpr(0));
Value* V2 = CGF.EmitScalarExpr(E->getExpr(1));
// Handle vec3 special since the index will be off by one for the RHS.
llvm::VectorType *VTy = cast<llvm::VectorType>(V1->getType());
SmallVector<llvm::Constant*, 32> indices;
for (unsigned i = 2; i < E->getNumSubExprs(); i++) {
for (unsigned i = 2; i < E->getNumSubExprs(); ++i) {
unsigned Idx = E->getShuffleMaskIdx(CGF.getContext(), i-2);
if (VTy->getNumElements() == 3 && Idx > 3)
Idx -= 1;
indices.push_back(Builder.getInt32(Idx));
}