[AMDGPU] Enable divergence-driven BFE selection
authoralex-t <alexander.timofeev@amd.com>
Sun, 31 Oct 2021 20:34:03 +0000 (23:34 +0300)
committeralex-t <alexander.timofeev@amd.com>
Wed, 3 Nov 2021 20:26:59 +0000 (23:26 +0300)
commit0a3d755ee9fcef1a84e0290e217d3eba68cdee22
treeecff9835bd41a8881e34f3930268d22e1c1cdb49
parent91f0a6ad4eb11d962b79f62cfdcd6d12751eb4d9
[AMDGPU] Enable divergence-driven BFE selection

Detailed description: This change enables the bit field extract patterns
selection to s_bfe_u32 or v_bfe_u32 dependent on the pattern root node
divergence.

Reviewed By: rampitec

Differential Revision: https://reviews.llvm.org/D110950
llvm/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp
llvm/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.h
llvm/lib/Target/AMDGPU/SIInstructions.td
llvm/test/CodeGen/AMDGPU/divergence-driven-bfe-isel.ll [new file with mode: 0644]
llvm/test/CodeGen/AMDGPU/llvm.round.f64.ll
llvm/test/CodeGen/AMDGPU/srem-seteq-illegal-types.ll