[llvm] 1366331 - [NewPM] Remove LoopPredicationLegacyPass (#72944)
via llvm-commits
llvm-commits at lists.llvm.org
Tue Nov 21 00:52:50 PST 2023
Author: Aiden Grossman
Date: 2023-11-21T00:52:46-08:00
New Revision: 13663310c63d20a03a18a4197bb0032e722baefe
URL: https://github.com/llvm/llvm-project/commit/13663310c63d20a03a18a4197bb0032e722baefe
DIFF: https://github.com/llvm/llvm-project/commit/13663310c63d20a03a18a4197bb0032e722baefe.diff
LOG: [NewPM] Remove LoopPredicationLegacyPass (#72944)
This pass isn't used/tested upstream anywhere, so remove it.
Added:
Modified:
llvm/include/llvm/InitializePasses.h
llvm/include/llvm/LinkAllPasses.h
llvm/include/llvm/Transforms/Scalar.h
llvm/lib/Transforms/Scalar/LoopPredication.cpp
llvm/lib/Transforms/Scalar/Scalar.cpp
Removed:
################################################################################
diff --git a/llvm/include/llvm/InitializePasses.h b/llvm/include/llvm/InitializePasses.h
index 6577c3ab46b649a..bd81fbe35ca91d9 100644
--- a/llvm/include/llvm/InitializePasses.h
+++ b/llvm/include/llvm/InitializePasses.h
@@ -172,7 +172,6 @@ void initializeLoopDataPrefetchLegacyPassPass(PassRegistry&);
void initializeLoopExtractorLegacyPassPass(PassRegistry &);
void initializeLoopInfoWrapperPassPass(PassRegistry&);
void initializeLoopPassPass(PassRegistry&);
-void initializeLoopPredicationLegacyPassPass(PassRegistry&);
void initializeLoopRotateLegacyPassPass(PassRegistry&);
void initializeLoopSimplifyPass(PassRegistry&);
void initializeLoopStrengthReducePass(PassRegistry&);
diff --git a/llvm/include/llvm/LinkAllPasses.h b/llvm/include/llvm/LinkAllPasses.h
index 933511cf09f5317..927c2d8cde5c478 100644
--- a/llvm/include/llvm/LinkAllPasses.h
+++ b/llvm/include/llvm/LinkAllPasses.h
@@ -86,7 +86,6 @@ namespace {
(void) llvm::createLICMPass();
(void) llvm::createLazyValueInfoPass();
(void) llvm::createLoopExtractorPass();
- (void) llvm::createLoopPredicationPass();
(void) llvm::createLoopSimplifyPass();
(void) llvm::createLoopStrengthReducePass();
(void) llvm::createLoopUnrollPass();
diff --git a/llvm/include/llvm/Transforms/Scalar.h b/llvm/include/llvm/Transforms/Scalar.h
index 9cd73676e90b2f6..7e50e216fb7dcd2 100644
--- a/llvm/include/llvm/Transforms/Scalar.h
+++ b/llvm/include/llvm/Transforms/Scalar.h
@@ -51,12 +51,6 @@ FunctionPass *createSROAPass(bool PreserveCFG = true);
//
Pass *createLICMPass();
-//===----------------------------------------------------------------------===//
-//
-// LoopPredication - This pass does loop predication on guards.
-//
-Pass *createLoopPredicationPass();
-
//===----------------------------------------------------------------------===//
//
// LoopStrengthReduce - This pass is strength reduces GEP instructions that use
diff --git a/llvm/lib/Transforms/Scalar/LoopPredication.cpp b/llvm/lib/Transforms/Scalar/LoopPredication.cpp
index 55079b4a42d2fae..027dbb9c0f71ac3 100644
--- a/llvm/lib/Transforms/Scalar/LoopPredication.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopPredication.cpp
@@ -327,49 +327,8 @@ class LoopPredication {
bool runOnLoop(Loop *L);
};
-class LoopPredicationLegacyPass : public LoopPass {
-public:
- static char ID;
- LoopPredicationLegacyPass() : LoopPass(ID) {
- initializeLoopPredicationLegacyPassPass(*PassRegistry::getPassRegistry());
- }
-
- void getAnalysisUsage(AnalysisUsage &AU) const override {
- AU.addRequired<BranchProbabilityInfoWrapperPass>();
- getLoopAnalysisUsage(AU);
- AU.addPreserved<MemorySSAWrapperPass>();
- }
-
- bool runOnLoop(Loop *L, LPPassManager &LPM) override {
- if (skipLoop(L))
- return false;
- auto *SE = &getAnalysis<ScalarEvolutionWrapperPass>().getSE();
- auto *LI = &getAnalysis<LoopInfoWrapperPass>().getLoopInfo();
- auto *DT = &getAnalysis<DominatorTreeWrapperPass>().getDomTree();
- auto *MSSAWP = getAnalysisIfAvailable<MemorySSAWrapperPass>();
- std::unique_ptr<MemorySSAUpdater> MSSAU;
- if (MSSAWP)
- MSSAU = std::make_unique<MemorySSAUpdater>(&MSSAWP->getMSSA());
- auto *AA = &getAnalysis<AAResultsWrapperPass>().getAAResults();
- LoopPredication LP(AA, DT, SE, LI, MSSAU ? MSSAU.get() : nullptr);
- return LP.runOnLoop(L);
- }
-};
-
-char LoopPredicationLegacyPass::ID = 0;
} // end namespace
-INITIALIZE_PASS_BEGIN(LoopPredicationLegacyPass, "loop-predication",
- "Loop predication", false, false)
-INITIALIZE_PASS_DEPENDENCY(BranchProbabilityInfoWrapperPass)
-INITIALIZE_PASS_DEPENDENCY(LoopPass)
-INITIALIZE_PASS_END(LoopPredicationLegacyPass, "loop-predication",
- "Loop predication", false, false)
-
-Pass *llvm::createLoopPredicationPass() {
- return new LoopPredicationLegacyPass();
-}
-
PreservedAnalyses LoopPredicationPass::run(Loop &L, LoopAnalysisManager &AM,
LoopStandardAnalysisResults &AR,
LPMUpdater &U) {
diff --git a/llvm/lib/Transforms/Scalar/Scalar.cpp b/llvm/lib/Transforms/Scalar/Scalar.cpp
index 12bb96d4e38b870..8fee75147626314 100644
--- a/llvm/lib/Transforms/Scalar/Scalar.cpp
+++ b/llvm/lib/Transforms/Scalar/Scalar.cpp
@@ -30,7 +30,6 @@ void llvm::initializeScalarOpts(PassRegistry &Registry) {
initializeInstSimplifyLegacyPassPass(Registry);
initializeLegacyLICMPassPass(Registry);
initializeLoopDataPrefetchLegacyPassPass(Registry);
- initializeLoopPredicationLegacyPassPass(Registry);
initializeLoopRotateLegacyPassPass(Registry);
initializeLoopStrengthReducePass(Registry);
initializeLoopUnrollPass(Registry);
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