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[CodeGen][NPM] Port StackFrameLayoutAnalysisPass to NPM #130070

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26 changes: 26 additions & 0 deletions llvm/include/llvm/CodeGen/StackFrameLayoutAnalysisPass.h
Original file line number Diff line number Diff line change
@@ -0,0 +1,26 @@
//===- llvm/CodeGen/StackFrameLayoutAnalysisPass.h --------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CODEGEN_STACKFRAMELAYOUTANALYSISPASS_H
#define LLVM_CODEGEN_STACKFRAMELAYOUTANALYSISPASS_H

#include "llvm/CodeGen/MachinePassManager.h"

namespace llvm {

class StackFrameLayoutAnalysisPass
: public PassInfoMixin<StackFrameLayoutAnalysisPass> {
public:
PreservedAnalyses run(MachineFunction &MF,
MachineFunctionAnalysisManager &MFAM);
static bool isRequired() { return true; }
};

} // namespace llvm

#endif // LLVM_CODEGEN_STACKFRAMELAYOUTANALYSISPASS_H
2 changes: 1 addition & 1 deletion llvm/include/llvm/InitializePasses.h
Original file line number Diff line number Diff line change
Expand Up @@ -292,7 +292,7 @@ void initializeSlotIndexesWrapperPassPass(PassRegistry &);
void initializeSpeculativeExecutionLegacyPassPass(PassRegistry &);
void initializeSpillPlacementWrapperLegacyPass(PassRegistry &);
void initializeStackColoringLegacyPass(PassRegistry &);
void initializeStackFrameLayoutAnalysisPassPass(PassRegistry &);
void initializeStackFrameLayoutAnalysisLegacyPass(PassRegistry &);
void initializeStaticDataSplitterPass(PassRegistry &);
void initializeStackMapLivenessPass(PassRegistry &);
void initializeStackProtectorPass(PassRegistry &);
Expand Down
3 changes: 3 additions & 0 deletions llvm/include/llvm/Passes/CodeGenPassBuilder.h
Original file line number Diff line number Diff line change
Expand Up @@ -84,6 +84,7 @@
#include "llvm/CodeGen/ShadowStackGCLowering.h"
#include "llvm/CodeGen/SjLjEHPrepare.h"
#include "llvm/CodeGen/StackColoring.h"
#include "llvm/CodeGen/StackFrameLayoutAnalysisPass.h"
#include "llvm/CodeGen/StackProtector.h"
#include "llvm/CodeGen/StackSlotColoring.h"
#include "llvm/CodeGen/TailDuplication.h"
Expand Down Expand Up @@ -1021,6 +1022,8 @@ Error CodeGenPassBuilder<Derived, TargetMachineT>::addMachinePasses(
addPass(MachineOutlinerPass(RunOnAllFunctions));
}

addPass(StackFrameLayoutAnalysisPass());

// Add passes that directly emit MI after all other MI passes.
derived().addPreEmitPass2(addPass);

Expand Down
2 changes: 1 addition & 1 deletion llvm/include/llvm/Passes/MachinePassRegistry.def
Original file line number Diff line number Diff line change
Expand Up @@ -188,6 +188,7 @@ MACHINE_FUNCTION_PASS("remove-redundant-debug-values", RemoveRedundantDebugValue
MACHINE_FUNCTION_PASS("require-all-machine-function-properties",
RequireAllMachineFunctionPropertiesPass())
MACHINE_FUNCTION_PASS("stack-coloring", StackColoringPass())
MACHINE_FUNCTION_PASS("stack-frame-layout", StackFrameLayoutAnalysisPass())
MACHINE_FUNCTION_PASS("stack-slot-coloring", StackSlotColoringPass())
MACHINE_FUNCTION_PASS("tailduplication", TailDuplicatePass())
MACHINE_FUNCTION_PASS("trigger-verifier-error", TriggerVerifierErrorPass())
Expand Down Expand Up @@ -314,7 +315,6 @@ DUMMY_MACHINE_FUNCTION_PASS("regallocscoringpass", RegAllocScoringPass)
DUMMY_MACHINE_FUNCTION_PASS("regbankselect", RegBankSelectPass)
DUMMY_MACHINE_FUNCTION_PASS("reset-machine-function", ResetMachineFunctionPass)
DUMMY_MACHINE_FUNCTION_PASS("shrink-wrap", ShrinkWrapPass)
DUMMY_MACHINE_FUNCTION_PASS("stack-frame-layout", StackFrameLayoutAnalysisPass)
DUMMY_MACHINE_FUNCTION_PASS("stackmap-liveness", StackMapLivenessPass)
DUMMY_MACHINE_FUNCTION_PASS("unpack-mi-bundles", UnpackMachineBundlesPass)
DUMMY_MACHINE_FUNCTION_PASS("virtregrewriter", VirtRegRewriterPass)
Expand Down
2 changes: 1 addition & 1 deletion llvm/lib/CodeGen/CodeGen.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -127,7 +127,7 @@ void llvm::initializeCodeGen(PassRegistry &Registry) {
initializeSjLjEHPreparePass(Registry);
initializeSlotIndexesWrapperPassPass(Registry);
initializeStackColoringLegacyPass(Registry);
initializeStackFrameLayoutAnalysisPassPass(Registry);
initializeStackFrameLayoutAnalysisLegacyPass(Registry);
initializeStackMapLivenessPass(Registry);
initializeStackProtectorPass(Registry);
initializeStackSlotColoringLegacyPass(Registry);
Expand Down
61 changes: 41 additions & 20 deletions llvm/lib/CodeGen/StackFrameLayoutAnalysisPass.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@
//
//===----------------------------------------------------------------------===//

#include "llvm/CodeGen/StackFrameLayoutAnalysisPass.h"
#include "llvm/ADT/SetVector.h"
#include "llvm/Analysis/OptimizationRemarkEmitter.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
Expand Down Expand Up @@ -43,9 +44,11 @@ namespace {
/// StackFrameLayoutAnalysisPass - This is a pass to dump the stack frame of a
/// MachineFunction.
///
struct StackFrameLayoutAnalysisPass : public MachineFunctionPass {
struct StackFrameLayoutAnalysis {
using SlotDbgMap = SmallDenseMap<int, SetVector<const DILocalVariable *>>;
static char ID;
MachineOptimizationRemarkEmitter &ORE;

StackFrameLayoutAnalysis(MachineOptimizationRemarkEmitter &ORE) : ORE(ORE) {}

enum SlotType {
Spill, // a Spill slot
Expand Down Expand Up @@ -99,19 +102,7 @@ struct StackFrameLayoutAnalysisPass : public MachineFunctionPass {
}
};

StackFrameLayoutAnalysisPass() : MachineFunctionPass(ID) {}

StringRef getPassName() const override {
return "Stack Frame Layout Analysis";
}

void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesAll();
MachineFunctionPass::getAnalysisUsage(AU);
AU.addRequired<MachineOptimizationRemarkEmitterPass>();
}

bool runOnMachineFunction(MachineFunction &MF) override {
bool run(MachineFunction &MF) {
// TODO: We should implement a similar filter for remarks:
// -Rpass-func-filter=<regex>
if (!isFunctionInPrintList(MF.getName()))
Expand All @@ -126,7 +117,7 @@ struct StackFrameLayoutAnalysisPass : public MachineFunctionPass {
&MF.front());
Rem << ("\nFunction: " + MF.getName()).str();
emitStackFrameLayoutRemarks(MF, Rem);
getAnalysis<MachineOptimizationRemarkEmitterPass>().getORE().emit(Rem);
ORE.emit(Rem);
return false;
}

Expand Down Expand Up @@ -278,17 +269,47 @@ struct StackFrameLayoutAnalysisPass : public MachineFunctionPass {
}
};

char StackFrameLayoutAnalysisPass::ID = 0;
class StackFrameLayoutAnalysisLegacy : public MachineFunctionPass {
public:
static char ID;

StackFrameLayoutAnalysisLegacy() : MachineFunctionPass(ID) {}

StringRef getPassName() const override {
return "Stack Frame Layout Analysis";
}

void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesAll();
MachineFunctionPass::getAnalysisUsage(AU);
AU.addRequired<MachineOptimizationRemarkEmitterPass>();
}

bool runOnMachineFunction(MachineFunction &MF) override {
auto &ORE = getAnalysis<MachineOptimizationRemarkEmitterPass>().getORE();
return StackFrameLayoutAnalysis(ORE).run(MF);
}
};

char StackFrameLayoutAnalysisLegacy::ID = 0;
} // namespace

char &llvm::StackFrameLayoutAnalysisPassID = StackFrameLayoutAnalysisPass::ID;
INITIALIZE_PASS(StackFrameLayoutAnalysisPass, "stack-frame-layout",
PreservedAnalyses
llvm::StackFrameLayoutAnalysisPass::run(MachineFunction &MF,
MachineFunctionAnalysisManager &MFAM) {
auto &ORE = MFAM.getResult<MachineOptimizationRemarkEmitterAnalysis>(MF);
StackFrameLayoutAnalysis(ORE).run(MF);
return PreservedAnalyses::all();
}

char &llvm::StackFrameLayoutAnalysisPassID = StackFrameLayoutAnalysisLegacy::ID;
INITIALIZE_PASS(StackFrameLayoutAnalysisLegacy, "stack-frame-layout",
"Stack Frame Layout", false, false)

namespace llvm {
/// Returns a newly-created StackFrameLayout pass.
MachineFunctionPass *createStackFrameLayoutAnalysisPass() {
return new StackFrameLayoutAnalysisPass();
return new StackFrameLayoutAnalysisLegacy();
}

} // namespace llvm
1 change: 1 addition & 0 deletions llvm/lib/Passes/PassBuilder.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -160,6 +160,7 @@
#include "llvm/CodeGen/SlotIndexes.h"
#include "llvm/CodeGen/SpillPlacement.h"
#include "llvm/CodeGen/StackColoring.h"
#include "llvm/CodeGen/StackFrameLayoutAnalysisPass.h"
#include "llvm/CodeGen/StackProtector.h"
#include "llvm/CodeGen/StackSlotColoring.h"
#include "llvm/CodeGen/TailDuplication.h"
Expand Down
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