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[ConstantFold] Push extractelement into getelementptr's operands

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This fixes a minor oversight mentioned in the review of D69379:
we should push extractelement into the operands of getelementptr
regardless of whether that enables further folding.
This commit is contained in:
Jay Foad 2019-10-29 10:31:52 +00:00
parent edca512d29
commit a5da59e9b1
1 changed files with 1 additions and 1 deletions
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lib/IR/ConstantFold.cpp
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@ -808,7 +808,7 @@ Constant *llvm::ConstantFoldExtractElementInstruction(Constant *Val,
for (unsigned i = 0, e = CE->getNumOperands(); i != e; ++i) {
Constant *Op = CE->getOperand(i);
if (Op->getType()->isVectorTy()) {
Constant *ScalarOp = ConstantFoldExtractElementInstruction(Op, Idx);
Constant *ScalarOp = ConstantExpr::getExtractElement(Op, Idx);
if (!ScalarOp)
return nullptr;
Ops.push_back(ScalarOp);