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| author | Nadav Rotem <nrotem@apple.com> | 2013-07-15 22:52:48 +0000 |
|---|---|---|
| committer | Nadav Rotem <nrotem@apple.com> | 2013-07-15 22:52:48 +0000 |
| commit | 1c1d6c166627733e880546387bca5070d8aaa993 (patch) | |
| tree | 5a12c8bbeeb9caa473a744e33c394206b7e64e5d /llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp | |
| parent | 3f99ade67a432adf6488a3d56e142675a158b7e9 (diff) | |
| download | bcm5719-llvm-1c1d6c166627733e880546387bca5070d8aaa993.tar.gz bcm5719-llvm-1c1d6c166627733e880546387bca5070d8aaa993.zip | |
PR16628: Fix a bug in the code that merges compares.
Compares return i1 but they compare different types.
llvm-svn: 186359
Diffstat (limited to 'llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp index 5449f39fe93..3090aa81f1e 100644 --- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp +++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp @@ -703,9 +703,11 @@ void BoUpSLP::buildTree_rec(ArrayRef<Value *> VL, unsigned Depth) { case Instruction::FCmp: { // Check that all of the compares have the same predicate. CmpInst::Predicate P0 = dyn_cast<CmpInst>(VL0)->getPredicate(); + Type *ComparedTy = cast<Instruction>(VL[0])->getOperand(0)->getType(); for (unsigned i = 1, e = VL.size(); i < e; ++i) { CmpInst *Cmp = cast<CmpInst>(VL[i]); - if (Cmp->getPredicate() != P0) { + if (Cmp->getPredicate() != P0 || + Cmp->getOperand(0)->getType() != ComparedTy) { newTreeEntry(VL, false); DEBUG(dbgs() << "SLP: Gathering cmp with different predicate.\n"); return; |
