[llvm-branch-commits] [llvm] [LoopVectorizer] Bundle partial reductions with different extensions (PR #136997)

[Sam Tebbs via llvm-branch-commits]

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@@ -2586,22 +2590,21 @@ class VPMulAccumulateReductionRecipe : public VPReductionRecipe {
   VPValue *getVecOp1() const { return getOperand(2); }
 
   /// Return if this MulAcc recipe contains extend instructions.
-  bool isExtended() const { return ExtOp != Instruction::CastOps::CastOpsEnd; }
+  bool isExtended() const {
+    return getVecOp0Info().ExtOp != Instruction::CastOps::CastOpsEnd;
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SamTebbs33 wrote:

That can't happen at the moment, but I think you're right and it's worth considering the other extension as well. Done.

https://github.com/llvm/llvm-project/pull/136997