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[ConstraintElim] Remove legacy pass implementation.

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The pass is exclusively used with the new pass manager now, so remove
the legacy PM implementation.
This commit is contained in:
Florian Hahn 2023-01-04 11:21:12 +00:00
parent e7790fbed3
commit f8d008d19f
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GPG Key ID: EEF712BB5E80EBBA
4 changed files with 0 additions and 49 deletions
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1
llvm/include/llvm/InitializePasses.h
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@ -94,7 +94,6 @@ void initializeCodeGenPreparePass(PassRegistry&);
void initializeComplexDeinterleavingLegacyPassPass(PassRegistry&);
void initializeConstantHoistingLegacyPassPass(PassRegistry&);
void initializeConstantMergeLegacyPassPass(PassRegistry&);
void initializeConstraintEliminationPass(PassRegistry &);
void initializeCorrelatedValuePropagationPass(PassRegistry&);
void initializeCostModelAnalysisPass(PassRegistry&);
void initializeCrossDSOCFIPass(PassRegistry&);

7
llvm/include/llvm/Transforms/Scalar.h
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@ -340,13 +340,6 @@ Pass *createLoopDeletionPass();
//
FunctionPass *createConstantHoistingPass();
//===----------------------------------------------------------------------===//
//
// ConstraintElimination - This pass eliminates conditions based on found
// constraints.
//
FunctionPass *createConstraintEliminationPass();
//===----------------------------------------------------------------------===//
//
// Sink - Code Sinking

40
llvm/lib/Transforms/Scalar/ConstraintElimination.cpp
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@ -26,12 +26,10 @@
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/PatternMatch.h"
#include "llvm/InitializePasses.h"
#include "llvm/Pass.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/DebugCounter.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Transforms/Scalar.h"
#include <cmath>
#include <string>
@ -1053,41 +1051,3 @@ PreservedAnalyses ConstraintEliminationPass::run(Function &F,
PA.preserveSet<CFGAnalyses>();
return PA;
}
namespace {
class ConstraintElimination : public FunctionPass {
public:
static char ID;
ConstraintElimination() : FunctionPass(ID) {
initializeConstraintEliminationPass(*PassRegistry::getPassRegistry());
}
bool runOnFunction(Function &F) override {
auto &DT = getAnalysis<DominatorTreeWrapperPass>().getDomTree();
return eliminateConstraints(F, DT);
}
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesCFG();
AU.addRequired<DominatorTreeWrapperPass>();
AU.addPreserved<GlobalsAAWrapperPass>();
AU.addPreserved<DominatorTreeWrapperPass>();
}
};
} // end anonymous namespace
char ConstraintElimination::ID = 0;
INITIALIZE_PASS_BEGIN(ConstraintElimination, "constraint-elimination",
"Constraint Elimination", false, false)
INITIALIZE_PASS_DEPENDENCY(DominatorTreeWrapperPass)
INITIALIZE_PASS_DEPENDENCY(LazyValueInfoWrapperPass)
INITIALIZE_PASS_END(ConstraintElimination, "constraint-elimination",
"Constraint Elimination", false, false)
FunctionPass *llvm::createConstraintEliminationPass() {
return new ConstraintElimination();
}

1
llvm/lib/Transforms/Scalar/Scalar.cpp
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@ -35,7 +35,6 @@ void llvm::initializeScalarOpts(PassRegistry &Registry) {
initializeAlignmentFromAssumptionsPass(Registry);
initializeCallSiteSplittingLegacyPassPass(Registry);
initializeConstantHoistingLegacyPassPass(Registry);
initializeConstraintEliminationPass(Registry);
initializeCorrelatedValuePropagationPass(Registry);
initializeDCELegacyPassPass(Registry);
initializeDivRemPairsLegacyPassPass(Registry);