[llvm] 5f5cf60 - [Pipeline] Remove -enable-npm-O3-nontrivial-unswitch flag
Arthur Eubanks via llvm-commits
llvm-commits at lists.llvm.org
Thu Feb 16 11:36:24 PST 2023
Author: Arthur Eubanks
Date: 2023-02-16T11:36:03-08:00
New Revision: 5f5cf6029852d703e850c5c16b386284d048dd91
URL: https://github.com/llvm/llvm-project/commit/5f5cf6029852d703e850c5c16b386284d048dd91
DIFF: https://github.com/llvm/llvm-project/commit/5f5cf6029852d703e850c5c16b386284d048dd91.diff
LOG: [Pipeline] Remove -enable-npm-O3-nontrivial-unswitch flag
This was added to help debugging performance issues, no longer needed.
Reviewed By: asbirlea
Differential Revision: https://reviews.llvm.org/D98675
Added:
Modified:
llvm/lib/Passes/PassBuilderPipelines.cpp
llvm/test/Transforms/SimpleLoopUnswitch/pipeline.ll
Removed:
################################################################################
diff --git a/llvm/lib/Passes/PassBuilderPipelines.cpp b/llvm/lib/Passes/PassBuilderPipelines.cpp
index c6288b45c89a4..738b02174aac0 100644
--- a/llvm/lib/Passes/PassBuilderPipelines.cpp
+++ b/llvm/lib/Passes/PassBuilderPipelines.cpp
@@ -165,10 +165,6 @@ static cl::opt<bool> PerformMandatoryInliningsFirst(
cl::desc("Perform mandatory inlinings module-wide, before performing "
"inlining"));
-static cl::opt<bool> EnableO3NonTrivialUnswitching(
- "enable-npm-O3-nontrivial-unswitch", cl::init(true), cl::Hidden,
- cl::desc("Enable non-trivial loop unswitching for -O3"));
-
static cl::opt<bool> EnableEagerlyInvalidateAnalyses(
"eagerly-invalidate-analyses", cl::init(true), cl::Hidden,
cl::desc("Eagerly invalidate more analyses in default pipelines"));
@@ -567,8 +563,7 @@ PassBuilder::buildFunctionSimplificationPipeline(OptimizationLevel Level,
LPM1.addPass(LICMPass(PTO.LicmMssaOptCap, PTO.LicmMssaNoAccForPromotionCap,
/*AllowSpeculation=*/true));
LPM1.addPass(
- SimpleLoopUnswitchPass(/* NonTrivial */ Level == OptimizationLevel::O3 &&
- EnableO3NonTrivialUnswitching));
+ SimpleLoopUnswitchPass(/* NonTrivial */ Level == OptimizationLevel::O3));
if (EnableLoopFlatten)
LPM1.addPass(LoopFlattenPass());
diff --git a/llvm/test/Transforms/SimpleLoopUnswitch/pipeline.ll b/llvm/test/Transforms/SimpleLoopUnswitch/pipeline.ll
index 3aab25f0cd2bf..0c65e49dfbbd8 100644
--- a/llvm/test/Transforms/SimpleLoopUnswitch/pipeline.ll
+++ b/llvm/test/Transforms/SimpleLoopUnswitch/pipeline.ll
@@ -1,7 +1,6 @@
; RUN: opt < %s -S -passes="default<O1>" | FileCheck %s -check-prefixes=TRIVIAL,CHECK
; RUN: opt < %s -S -passes="default<O2>" | FileCheck %s -check-prefixes=TRIVIAL,CHECK
; RUN: opt < %s -S -passes="default<O3>" | FileCheck %s -check-prefixes=NONTRIVIAL,CHECK
-; RUN: opt < %s -S -passes="default<O3>" -enable-npm-O3-nontrivial-unswitch=0 | FileCheck %s -check-prefixes=TRIVIAL,CHECK
; RUN: opt < %s -S -passes="default<Os>" | FileCheck %s -check-prefixes=TRIVIAL,CHECK
; RUN: opt < %s -S -passes="default<Oz>" | FileCheck %s -check-prefixes=TRIVIAL,CHECK
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