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| author | Eli Friedman <eli.friedman@gmail.com> | 2012-04-05 21:48:40 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2012-04-05 21:48:40 +0000 |
| commit | 87b9c0311f96c35109204a49d4bda909aa72b62a (patch) | |
| tree | ca07771fbf1b7fded9ba7f111c0b344d8cafebeb /lib/CodeGen | |
| parent | 6fd4505ad67a186da8cc26fdb493c93fe4937555 (diff) | |
Make the variant of __builtin_shufflevector that takes the shuffle indexes as a vector actually usable. Patch by David Neto. PR12465.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154128 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/CGExprScalar.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/CodeGen/CGExprScalar.cpp b/lib/CodeGen/CGExprScalar.cpp index e9de43dd66..5723541c62 100644 --- a/lib/CodeGen/CGExprScalar.cpp +++ b/lib/CodeGen/CGExprScalar.cpp @@ -754,8 +754,8 @@ Value *ScalarExprEmitter::VisitShuffleVectorExpr(ShuffleVectorExpr *E) { MTy->getNumElements()); Value* NewV = llvm::UndefValue::get(RTy); for (unsigned i = 0, e = MTy->getNumElements(); i != e; ++i) { - Value *Indx = Builder.getInt32(i); - Indx = Builder.CreateExtractElement(Mask, Indx, "shuf_idx"); + Value *IIndx = Builder.getInt32(i); + Value *Indx = Builder.CreateExtractElement(Mask, IIndx, "shuf_idx"); Indx = Builder.CreateZExt(Indx, CGF.Int32Ty, "idx_zext"); // Handle vec3 special since the index will be off by one for the RHS. @@ -767,7 +767,7 @@ Value *ScalarExprEmitter::VisitShuffleVectorExpr(ShuffleVectorExpr *E) { Indx = Builder.CreateSelect(cmpIndx, newIndx, Indx, "sel_shuf_idx"); } Value *VExt = Builder.CreateExtractElement(LHS, Indx, "shuf_elt"); - NewV = Builder.CreateInsertElement(NewV, VExt, Indx, "shuf_ins"); + NewV = Builder.CreateInsertElement(NewV, VExt, IIndx, "shuf_ins"); } return NewV; } |