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| author | Chris Lattner <sabre@nondot.org> | 2012-01-27 03:08:05 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2012-01-27 03:08:05 +0000 |
| commit | a78fa8cc2dd6d2ffe5e4fe605f38aae7b3d2fb7a (patch) | |
| tree | 86baf632ff9cede6ae0504249b7075282f9fa227 /lib/Transforms/InstCombine/InstCombineCalls.cpp | |
| parent | 2b343702aac08ddff4191890a8745616022c831f (diff) | |
| download | external_llvm-a78fa8cc2dd6d2ffe5e4fe605f38aae7b3d2fb7a.zip external_llvm-a78fa8cc2dd6d2ffe5e4fe605f38aae7b3d2fb7a.tar.gz external_llvm-a78fa8cc2dd6d2ffe5e4fe605f38aae7b3d2fb7a.tar.bz2 | |
continue making the world safe for ConstantDataVector. At this point,
we should (theoretically optimize and codegen ConstantDataVector as well
as ConstantVector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149116 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/InstCombine/InstCombineCalls.cpp')
| -rw-r--r-- | lib/Transforms/InstCombine/InstCombineCalls.cpp | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/lib/Transforms/InstCombine/InstCombineCalls.cpp b/lib/Transforms/InstCombine/InstCombineCalls.cpp index db31e91..a87fbbd 100644 --- a/lib/Transforms/InstCombine/InstCombineCalls.cpp +++ b/lib/Transforms/InstCombine/InstCombineCalls.cpp @@ -623,14 +623,16 @@ Instruction *InstCombiner::visitCallInst(CallInst &CI) { case Intrinsic::ppc_altivec_vperm: // Turn vperm(V1,V2,mask) -> shuffle(V1,V2,mask) if mask is a constant. - if (ConstantVector *Mask = dyn_cast<ConstantVector>(II->getArgOperand(2))) { - assert(Mask->getNumOperands() == 16 && "Bad type for intrinsic!"); + if (Constant *Mask = dyn_cast<Constant>(II->getArgOperand(2))) { + assert(Mask->getType()->getVectorNumElements() == 16 && + "Bad type for intrinsic!"); // Check that all of the elements are integer constants or undefs. bool AllEltsOk = true; for (unsigned i = 0; i != 16; ++i) { - if (!isa<ConstantInt>(Mask->getOperand(i)) && - !isa<UndefValue>(Mask->getOperand(i))) { + Constant *Elt = Mask->getAggregateElement(i); + if (Elt == 0 || + !(isa<ConstantInt>(Elt) || isa<UndefValue>(Elt))) { AllEltsOk = false; break; } @@ -649,9 +651,10 @@ Instruction *InstCombiner::visitCallInst(CallInst &CI) { memset(ExtractedElts, 0, sizeof(ExtractedElts)); for (unsigned i = 0; i != 16; ++i) { - if (isa<UndefValue>(Mask->getOperand(i))) + if (isa<UndefValue>(Mask->getAggregateElement(i))) continue; - unsigned Idx=cast<ConstantInt>(Mask->getOperand(i))->getZExtValue(); + unsigned Idx = + cast<ConstantInt>(Mask->getAggregateElement(i))->getZExtValue(); Idx &= 31; // Match the hardware behavior. if (ExtractedElts[Idx] == 0) { |