[PATCH] D98117: GlobalISel: Fix off by one in finding explicit byval alignment

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
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For attribute sets, the return index is at 0, and arguments start at

1. getParamAlignment adds the offset of 1, so we need to convert from

attribute index back to IR index.


https://reviews.llvm.org/D98117

Files:
  llvm/lib/CodeGen/GlobalISel/CallLowering.cpp
  llvm/test/CodeGen/AMDGPU/GlobalISel/irtranslator-function-args.ll

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