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Use setPreservesAll and setPreservesCFG in CodeGen passes.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77754 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2009-07-31 23:37:33 +00:00
parent a3477fe06d
commit 845012e6d3
17 changed files with 31 additions and 14 deletions
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1
lib/CodeGen/AsmPrinter/AsmPrinter.cpp
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@ -169,6 +169,7 @@ void AsmPrinter::SwitchToSection(const MCSection *NS) {
}
void AsmPrinter::getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
MachineFunctionPass::getAnalysisUsage(AU);
AU.addRequired<GCModuleInfo>();
}

1
lib/CodeGen/LiveIntervalAnalysis.cpp
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@ -67,6 +67,7 @@ char LiveIntervals::ID = 0;
static RegisterPass<LiveIntervals> X("liveintervals", "Live Interval Analysis");
void LiveIntervals::getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesCFG();
AU.addRequired<AliasAnalysis>();
AU.addPreserved<AliasAnalysis>();
AU.addPreserved<LiveVariables>();

1
lib/CodeGen/LowerSubregs.cpp
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@ -39,6 +39,7 @@ namespace {
}
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesCFG();
AU.addPreservedID(MachineLoopInfoID);
AU.addPreservedID(MachineDominatorsID);
MachineFunctionPass::getAnalysisUsage(AU);

1
lib/CodeGen/MachineModuleInfo.cpp
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@ -306,6 +306,7 @@ struct DebugLabelFolder : public MachineFunctionPass {
DebugLabelFolder() : MachineFunctionPass(&ID) {}
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesCFG();
AU.addPreservedID(MachineLoopInfoID);
AU.addPreservedID(MachineDominatorsID);
MachineFunctionPass::getAnalysisUsage(AU);

1
lib/CodeGen/MachineSink.cpp
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@ -40,6 +40,7 @@ namespace {
virtual bool runOnMachineFunction(MachineFunction &MF);
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesCFG();
MachineFunctionPass::getAnalysisUsage(AU);
AU.addRequired<MachineDominatorTree>();
AU.addPreserved<MachineDominatorTree>();

3
lib/CodeGen/PHIElimination.cpp
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@ -41,11 +41,12 @@ X("phi-node-elimination", "Eliminate PHI nodes for register allocation");
const PassInfo *const llvm::PHIEliminationID = &X;
void llvm::PHIElimination::getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesCFG();
AU.addPreserved<LiveVariables>();
AU.addPreservedID(MachineLoopInfoID);
AU.addPreservedID(MachineDominatorsID);
MachineFunctionPass::getAnalysisUsage(AU);
}
}
bool llvm::PHIElimination::runOnMachineFunction(MachineFunction &Fn) {
MRI = &Fn.getRegInfo();

1
lib/CodeGen/PostRASchedulerList.cpp
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@ -59,6 +59,7 @@ namespace {
PostRAScheduler() : MachineFunctionPass(&ID) {}
void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesCFG();
AU.addRequired<MachineDominatorTree>();
AU.addPreserved<MachineDominatorTree>();
AU.addRequired<MachineLoopInfo>();

1
lib/CodeGen/PreAllocSplitting.cpp
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@ -92,6 +92,7 @@ namespace {
virtual bool runOnMachineFunction(MachineFunction &MF);
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesCFG();
AU.addRequired<LiveIntervals>();
AU.addPreserved<LiveIntervals>();
AU.addRequired<LiveStacks>();

1
lib/CodeGen/PrologEpilogInserter.cpp
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@ -111,6 +111,7 @@ bool PEI::runOnMachineFunction(MachineFunction &Fn) {
#if 0
void PEI::getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesCFG();
if (ShrinkWrapping || ShrinkWrapFunc != "") {
AU.addRequired<MachineLoopInfo>();
AU.addRequired<MachineDominatorTree>();

1
lib/CodeGen/RegAllocLinearScan.cpp
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@ -145,6 +145,7 @@ namespace {
}
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesCFG();
AU.addRequired<LiveIntervals>();
if (StrongPHIElim)
AU.addRequiredID(StrongPHIEliminationID);

1
lib/CodeGen/RegAllocLocal.cpp
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@ -153,6 +153,7 @@ namespace {
}
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesCFG();
AU.addRequiredID(PHIEliminationID);
AU.addRequiredID(TwoAddressInstructionPassID);
MachineFunctionPass::getAnalysisUsage(AU);

19
lib/CodeGen/RegAllocPBQP.cpp
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@ -77,15 +77,16 @@ namespace {
}
//! PBQP analysis usage.
virtual void getAnalysisUsage(AnalysisUsage &au) const {
au.addRequired<LiveIntervals>();
au.addRequiredTransitive<RegisterCoalescer>();
au.addRequired<LiveStacks>();
au.addPreserved<LiveStacks>();
au.addRequired<MachineLoopInfo>();
au.addPreserved<MachineLoopInfo>();
au.addRequired<VirtRegMap>();
MachineFunctionPass::getAnalysisUsage(au);
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesCFG();
AU.addRequired<LiveIntervals>();
AU.addRequiredTransitive<RegisterCoalescer>();
AU.addRequired<LiveStacks>();
AU.addPreserved<LiveStacks>();
AU.addRequired<MachineLoopInfo>();
AU.addPreserved<MachineLoopInfo>();
AU.addRequired<VirtRegMap>();
MachineFunctionPass::getAnalysisUsage(AU);
}
//! Perform register allocation

1
lib/CodeGen/RegAllocSimple.cpp
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@ -70,6 +70,7 @@ namespace {
bool runOnMachineFunction(MachineFunction &Fn);
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesCFG();
AU.addRequiredID(PHIEliminationID); // Eliminate PHI nodes
MachineFunctionPass::getAnalysisUsage(AU);
}

1
lib/CodeGen/SimpleRegisterCoalescing.cpp
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@ -76,6 +76,7 @@ static RegisterAnalysisGroup<RegisterCoalescer, true/*The Default*/> V(X);
const PassInfo *const llvm::SimpleRegisterCoalescingID = &X;
void SimpleRegisterCoalescing::getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesCFG();
AU.addRequired<LiveIntervals>();
AU.addPreserved<LiveIntervals>();
AU.addRequired<MachineLoopInfo>();

1
lib/CodeGen/StackSlotColoring.cpp
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@ -97,6 +97,7 @@ namespace {
MachineFunctionPass(&ID), ColorWithRegs(RegColor), NextColor(-1) {}
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesCFG();
AU.addRequired<LiveStacks>();
AU.addRequired<VirtRegMap>();
AU.addPreserved<VirtRegMap>();

1
lib/CodeGen/StrongPHIElimination.cpp
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@ -71,6 +71,7 @@ namespace {
bool runOnMachineFunction(MachineFunction &Fn);
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesCFG();
AU.addRequired<MachineDominatorTree>();
AU.addRequired<LiveIntervals>();

1
lib/CodeGen/TwoAddressInstructionPass.cpp
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@ -113,6 +113,7 @@ namespace {
TwoAddressInstructionPass() : MachineFunctionPass(&ID) {}
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesCFG();
AU.addPreserved<LiveVariables>();
AU.addPreservedID(MachineLoopInfoID);
AU.addPreservedID(MachineDominatorsID);