[all-commits] [llvm/llvm-project] 2db2dc: [GlobalISel][NFC] Fix LLT Propagation (#119587)

[Tim Gymnich via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2db2dc8ab917de54a085776b874e93f4fdfd2e8c
      https://github.com/llvm/llvm-project/commit/2db2dc8ab917de54a085776b874e93f4fdfd2e8c
  Author: Tim Gymnich <tim at gymni.ch>
  Date:   2024-12-12 (Thu, 12 Dec 2024)

  Changed paths:
    M llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
    M llvm/lib/CodeGen/GlobalISel/Utils.cpp
    M llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp

  Log Message:
  -----------
  [GlobalISel][NFC] Fix LLT Propagation (#119587)

Retain LLT type information by creating new LLTs from the original LLT
instead of only using the original scalar size.

This PR prepares for the [LLT FPInfo
RFC](https://discourse.llvm.org/t/rfc-globalisel-adding-fp-type-information-to-llt/83349/24)
where LLTs will carry additional floating point type information in
addition to the scalar size.



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