[llvm] [VPlan] Consistently use (Part, 0) for first lane scalar values (PR #80271)
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llvm-commits at lists.llvm.org
Sun Feb 18 06:12:47 PST 2024
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@@ -512,7 +518,14 @@ void VPInstruction::execute(VPTransformState &State) {
if (!hasResult())
continue;
assert(GeneratedValue && "generateInstruction must produce a value");
- State.set(this, GeneratedValue, Part);
+ if (GeneratedValue->getType()->isVectorTy())
+ State.set(this, GeneratedValue, Part);
+ else {
+ assert((getOpcode() == VPInstruction::ComputeReductionResult ||
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ayalz wrote:
Explain/Why is ComputeReductionResult excluded, it generates a scalar Value but may have lanes other than first used?
https://github.com/llvm/llvm-project/pull/80271
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