[all-commits] [llvm/llvm-project] 2bfcac: [AMDGPU] Insert PS early exit at end of control flow
Carl Ritson via All-commits
all-commits at lists.llvm.org
Thu Jul 2 20:28:07 PDT 2020
Branch: refs/heads/master
Home: https://github.com/llvm/llvm-project
Commit: 2bfcacf0ad362956277a1c2c9ba00ddc453a42ce
https://github.com/llvm/llvm-project/commit/2bfcacf0ad362956277a1c2c9ba00ddc453a42ce
Author: Carl Ritson <carl.ritson at amd.com>
Date: 2020-07-03 (Fri, 03 Jul 2020)
Changed paths:
M llvm/lib/Target/AMDGPU/SIInsertSkips.cpp
M llvm/lib/Target/AMDGPU/SIInstructions.td
M llvm/lib/Target/AMDGPU/SILowerControlFlow.cpp
M llvm/test/CodeGen/AMDGPU/kill-infinite-loop.ll
M llvm/test/CodeGen/AMDGPU/skip-if-dead.ll
Log Message:
-----------
[AMDGPU] Insert PS early exit at end of control flow
Exit early if the exec mask is zero at the end of control flow.
Mark the ends of control flow during control flow lowering and
convert these to exits during the insert skips pass.
Reviewed By: nhaehnle
Differential Revision: https://reviews.llvm.org/D82737
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