[llvm] [CFG] Simplify gather/scatter splat pointer matching (PR #145931)
Philip Reames via llvm-commits
llvm-commits at lists.llvm.org
Thu Jun 26 11:03:10 PDT 2025
================
@@ -4888,14 +4888,9 @@ static bool getUniformBase(const Value *Ptr, SDValue &Base, SDValue &Index,
assert(Ptr->getType()->isVectorTy() && "Unexpected pointer type");
- // Handle splat constant pointer.
- if (auto *C = dyn_cast<Constant>(Ptr)) {
- C = C->getSplatValue();
- if (!C)
- return false;
-
- Base = SDB->getValue(C);
-
+ // Handle splat (possibly constant) pointer.
+ if (Value *ScalarV = getSplatValue(Ptr)) {
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preames wrote:
Oh yuck, I should have checked the history here more closely. No, it doesn't.
I'm going to close this and revisit from scratch. I can probably find an analogous approach, but TBD.
https://github.com/llvm/llvm-project/pull/145931
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