[PATCH] D29584: AMDGPU: Replace disabled exp inputs with undef

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
Herald added a reviewer: tstellarAMD.
Herald added subscribers: tpr, tony-tye, yaxunl, wdng, kzhuravl.

https://reviews.llvm.org/D29584

Files:
  lib/Transforms/InstCombine/InstCombineCalls.cpp
  test/Transforms/InstCombine/amdgcn-intrinsics.ll

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