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-rw-r--r--llvm/lib/Transforms/Scalar/Reassociate.cpp13
1 files changed, 7 insertions, 6 deletions
diff --git a/llvm/lib/Transforms/Scalar/Reassociate.cpp b/llvm/lib/Transforms/Scalar/Reassociate.cpp
index 4ce32e0eca7..313b1d12009 100644
--- a/llvm/lib/Transforms/Scalar/Reassociate.cpp
+++ b/llvm/lib/Transforms/Scalar/Reassociate.cpp
@@ -1276,9 +1276,15 @@ Value *ReassociatePass::OptimizeXor(Instruction *I,
if (Ops.size() == 1)
return nullptr;
+ Type *Ty = Ops[0].Op->getType();
+
+ // TODO: We should optimize vector Xor instructions, but they are
+ // currently unsupported.
+ if (Ty->isVectorTy())
+ return nullptr;
+
SmallVector<XorOpnd, 8> Opnds;
SmallVector<XorOpnd*, 8> OpndPtrs;
- Type *Ty = Ops[0].Op->getType();
APInt ConstOpnd(Ty->getIntegerBitWidth(), 0);
// Step 1: Convert ValueEntry to XorOpnd
@@ -2000,11 +2006,6 @@ void ReassociatePass::OptimizeInst(Instruction *I) {
if (I->isCommutative())
canonicalizeOperands(I);
- // TODO: We should optimize vector Xor instructions, but they are
- // currently unsupported.
- if (I->getType()->isVectorTy() && I->getOpcode() == Instruction::Xor)
- return;
-
// Don't optimize floating point instructions that don't have unsafe algebra.
if (I->getType()->isFPOrFPVectorTy() && !I->hasUnsafeAlgebra())
return;
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