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MachineInstr: Remove unused parameter.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237726 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matthias Braun 2015-05-19 21:22:20 +00:00
parent 31d2ee7360
commit dfc41dbcda
14 changed files with 21 additions and 27 deletions
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3
include/llvm/CodeGen/MachineInstr.h
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@ -1067,8 +1067,7 @@ public:
/// isSafeToMove - Return true if it is safe to move this instruction. If
/// SawStore is set to true, it means that there is a store (or call) between
/// the instruction's location and its intended destination.
bool isSafeToMove(const TargetInstrInfo *TII, AliasAnalysis *AA,
bool &SawStore) const;
bool isSafeToMove(AliasAnalysis *AA, bool &SawStore) const;
/// hasOrderedMemoryRef - Return true if this instruction may have an ordered
/// or volatile memory reference, or if the information describing the memory

5
lib/CodeGen/BranchFolding.cpp
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@ -1683,8 +1683,7 @@ MachineBasicBlock::iterator findHoistingInsertPosAndDeps(MachineBasicBlock *MBB,
// Also avoid moving code above predicated instruction since it's hard to
// reason about register liveness with predicated instruction.
bool DontMoveAcrossStore = true;
if (!PI->isSafeToMove(TII, nullptr, DontMoveAcrossStore) ||
TII->isPredicated(PI))
if (!PI->isSafeToMove(nullptr, DontMoveAcrossStore) || TII->isPredicated(PI))
return MBB->end();
@ -1822,7 +1821,7 @@ bool BranchFolder::HoistCommonCodeInSuccs(MachineBasicBlock *MBB) {
break;
bool DontMoveAcrossStore = true;
if (!TIB->isSafeToMove(TII, nullptr, DontMoveAcrossStore))
if (!TIB->isSafeToMove(nullptr, DontMoveAcrossStore))
break;
// Remove kills from LocalDefsSet, these registers had short live ranges.

2
lib/CodeGen/DeadMachineInstructionElim.cpp
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@ -65,7 +65,7 @@ bool DeadMachineInstructionElim::isDead(const MachineInstr *MI) const {
// Don't delete instructions with side effects.
bool SawStore = false;
if (!MI->isSafeToMove(TII, nullptr, SawStore) && !MI->isPHI())
if (!MI->isSafeToMove(nullptr, SawStore) && !MI->isPHI())
return false;
// Examine each operand.

2
lib/CodeGen/EarlyIfConversion.cpp
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@ -220,7 +220,7 @@ bool SSAIfConv::canSpeculateInstrs(MachineBasicBlock *MBB) {
// We never speculate stores, so an AA pointer isn't necessary.
bool DontMoveAcrossStore = true;
if (!I->isSafeToMove(TII, nullptr, DontMoveAcrossStore)) {
if (!I->isSafeToMove(nullptr, DontMoveAcrossStore)) {
DEBUG(dbgs() << "Can't speculate: " << *I);
return false;
}

7
lib/CodeGen/IfConversion.cpp
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@ -1519,10 +1519,9 @@ bool IfConverter::IfConvertDiamond(BBInfo &BBI, IfcvtKind Kind,
}
static bool MaySpeculate(const MachineInstr *MI,
SmallSet<unsigned, 4> &LaterRedefs,
const TargetInstrInfo *TII) {
SmallSet<unsigned, 4> &LaterRedefs) {
bool SawStore = true;
if (!MI->isSafeToMove(TII, nullptr, SawStore))
if (!MI->isSafeToMove(nullptr, SawStore))
return false;
for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
@ -1553,7 +1552,7 @@ void IfConverter::PredicateBlock(BBInfo &BBI,
// It may be possible not to predicate an instruction if it's the 'true'
// side of a diamond and the 'false' side may re-define the instruction's
// defs.
if (MaySpec && MaySpeculate(I, *LaterRedefs, TII)) {
if (MaySpec && MaySpeculate(I, *LaterRedefs)) {
AnyUnpred = true;
continue;
}

4
lib/CodeGen/LiveRangeEdit.cpp
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@ -196,7 +196,7 @@ bool LiveRangeEdit::foldAsLoad(LiveInterval *LI,
// We also need to make sure it is safe to move the load.
// Assume there are stores between DefMI and UseMI.
bool SawStore = true;
if (!DefMI->isSafeToMove(&TII, nullptr, SawStore))
if (!DefMI->isSafeToMove(nullptr, SawStore))
return false;
DEBUG(dbgs() << "Try to fold single def: " << *DefMI
@ -235,7 +235,7 @@ void LiveRangeEdit::eliminateDeadDef(MachineInstr *MI, ToShrinkSet &ToShrink) {
// Use the same criteria as DeadMachineInstructionElim.
bool SawStore = false;
if (!MI->isSafeToMove(&TII, nullptr, SawStore)) {
if (!MI->isSafeToMove(nullptr, SawStore)) {
DEBUG(dbgs() << "Can't delete: " << Idx << '\t' << *MI);
return;
}

4
lib/CodeGen/MachineInstr.cpp
View File

@ -1366,9 +1366,7 @@ void MachineInstr::substituteRegister(unsigned FromReg,
/// isSafeToMove - Return true if it is safe to move this instruction. If
/// SawStore is set to true, it means that there is a store (or call) between
/// the instruction's location and its intended destination.
bool MachineInstr::isSafeToMove(const TargetInstrInfo *TII,
AliasAnalysis *AA,
bool &SawStore) const {
bool MachineInstr::isSafeToMove(AliasAnalysis *AA, bool &SawStore) const {
// Ignore stuff that we obviously can't move.
//
// Treat volatile loads as stores. This is not strictly necessary for

2
lib/CodeGen/MachineLICM.cpp
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@ -934,7 +934,7 @@ static bool isLoadFromGOTOrConstantPool(MachineInstr &MI) {
bool MachineLICM::IsLICMCandidate(MachineInstr &I) {
// Check if it's safe to move the instruction.
bool DontMoveAcrossStore = true;
if (!I.isSafeToMove(TII, AA, DontMoveAcrossStore))
if (!I.isSafeToMove(AA, DontMoveAcrossStore))
return false;
// If it is load then check if it is guaranteed to execute by making sure that

4
lib/CodeGen/MachineSink.cpp
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@ -652,7 +652,7 @@ bool MachineSinking::SinkInstruction(MachineInstr *MI, bool &SawStore) {
return false;
// Check if it's safe to move the instruction.
if (!MI->isSafeToMove(TII, AA, SawStore))
if (!MI->isSafeToMove(AA, SawStore))
return false;
// FIXME: This should include support for sinking instructions within the
@ -694,7 +694,7 @@ bool MachineSinking::SinkInstruction(MachineInstr *MI, bool &SawStore) {
// other code paths.
bool TryBreak = false;
bool store = true;
if (!MI->isSafeToMove(TII, AA, store)) {
if (!MI->isSafeToMove(AA, store)) {
DEBUG(dbgs() << " *** NOTE: Won't sink load along critical edge.\n");
TryBreak = true;
}

2
lib/CodeGen/RegisterCoalescer.cpp
View File

@ -908,7 +908,7 @@ bool RegisterCoalescer::reMaterializeTrivialDef(const CoalescerPair &CP,
if (!definesFullReg(*DefMI, SrcReg))
return false;
bool SawStore = false;
if (!DefMI->isSafeToMove(TII, AA, SawStore))
if (!DefMI->isSafeToMove(AA, SawStore))
return false;
const MCInstrDesc &MCID = DefMI->getDesc();
if (MCID.getNumDefs() != 1)

6
lib/CodeGen/TwoAddressInstructionPass.cpp
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@ -189,7 +189,7 @@ sink3AddrInstruction(MachineInstr *MI, unsigned SavedReg,
// Check if it's safe to move this instruction.
bool SeenStore = true; // Be conservative.
if (!MI->isSafeToMove(TII, AA, SeenStore))
if (!MI->isSafeToMove(AA, SeenStore))
return false;
unsigned DefReg = 0;
@ -861,7 +861,7 @@ rescheduleMIBelowKill(MachineBasicBlock::iterator &mi,
return false;
bool SeenStore = true;
if (!MI->isSafeToMove(TII, AA, SeenStore))
if (!MI->isSafeToMove(AA, SeenStore))
return false;
if (TII->getInstrLatency(InstrItins, MI) > 1)
@ -1048,7 +1048,7 @@ rescheduleKillAboveMI(MachineBasicBlock::iterator &mi,
return false;
bool SeenStore = true;
if (!KillMI->isSafeToMove(TII, AA, SeenStore))
if (!KillMI->isSafeToMove(AA, SeenStore))
return false;
SmallSet<unsigned, 2> Uses;

2
lib/Target/AArch64/AArch64ConditionalCompares.cpp
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@ -416,7 +416,7 @@ bool SSACCmpConv::canSpeculateInstrs(MachineBasicBlock *MBB,
// We never speculate stores, so an AA pointer isn't necessary.
bool DontMoveAcrossStore = true;
if (!I.isSafeToMove(TII, nullptr, DontMoveAcrossStore)) {
if (!I.isSafeToMove(nullptr, DontMoveAcrossStore)) {
DEBUG(dbgs() << "Can't speculate: " << I);
return false;
}

3
lib/Target/ARM/ARMBaseInstrInfo.cpp
View File

@ -1807,8 +1807,7 @@ static MachineInstr *canFoldIntoMOVCC(unsigned Reg,
return nullptr;
}
bool DontMoveAcrossStores = true;
if (!MI->isSafeToMove(TII, /* AliasAnalysis = */ nullptr,
DontMoveAcrossStores))
if (!MI->isSafeToMove(/* AliasAnalysis = */ nullptr, DontMoveAcrossStores))
return nullptr;
return MI;
}

2
lib/Target/X86/X86InstrInfo.cpp
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@ -4579,7 +4579,7 @@ MachineInstr *X86InstrInfo::optimizeLoadInstr(MachineInstr *MI,
DefMI = MRI->getVRegDef(FoldAsLoadDefReg);
assert(DefMI);
bool SawStore = false;
if (!DefMI->isSafeToMove(this, nullptr, SawStore))
if (!DefMI->isSafeToMove(nullptr, SawStore))
return nullptr;
// Collect information about virtual register operands of MI.