[all-commits] [llvm/llvm-project] 5af970: [SystemZ] Fix Operand Retrieval for Vector Reducti...

[Dominik Steenken via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5af9701985c6abba328dbedbd2d9c602dc46c4b0
      https://github.com/llvm/llvm-project/commit/5af9701985c6abba328dbedbd2d9c602dc46c4b0
  Author: Dominik Steenken <dost at de.ibm.com>
  Date:   2024-04-19 (Fri, 19 Apr 2024)

  Changed paths:
    M llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.cpp

  Log Message:
  -----------
  [SystemZ] Fix Operand Retrieval for Vector Reduction Intrinsic in `shouldExpandReduction` (#88874)

In the existing version, SystemZTTIImpl::shouldExpandReduction will
create a `cast` error when handling vector reduction intrinsics that
do not have the vector to reduce as their first operand, such as
`llvm.vector.reduce.fadd` and `llvm.vector.reduce.fmul`.
This commit fixes that problem by moving the cast into the case
statement that handles the specific intrinsic, where the vector
operand position is well-known.



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