[PATCH] D28135: SelectionDAG: Fix in legalization of UMAX/SMAX/UMIN/SMIN. Solves PR31486.

[Mikael Holmén via Phabricator via llvm-commits]

uabelho created this revision.
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Originally

i64 = umax t8, Constant:i64<4>

was expanded into

i32,i32 = umax Constant:i32<0>, Constant:i32<0>
 i32,i32 = umax t7, Constant:i32<4>

Now instead the two produced umax:es return i32 instead of i32, i32.


https://reviews.llvm.org/D28135

Files:
  lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
  test/CodeGen/AMDGPU/legalize-umax-bug.mir

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