diff options
Diffstat (limited to 'lib/CodeGen/MachineLICM.cpp')
-rw-r--r-- | lib/CodeGen/MachineLICM.cpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/lib/CodeGen/MachineLICM.cpp b/lib/CodeGen/MachineLICM.cpp index 7c07ac4a24..bf6185a7ea 100644 --- a/lib/CodeGen/MachineLICM.cpp +++ b/lib/CodeGen/MachineLICM.cpp @@ -60,8 +60,6 @@ STATISTIC(NumPostRAHoisted, namespace { class MachineLICM : public MachineFunctionPass { - bool PreRegAlloc; - const TargetMachine *TM; const TargetInstrInfo *TII; const TargetLowering *TLI; @@ -69,6 +67,7 @@ namespace { const MachineFrameInfo *MFI; MachineRegisterInfo *MRI; const InstrItineraryData *InstrItins; + bool PreRegAlloc; // Various analyses that we use... AliasAnalysis *AA; // Alias analysis info. @@ -298,8 +297,8 @@ INITIALIZE_AG_DEPENDENCY(AliasAnalysis) INITIALIZE_PASS_END(MachineLICM, "machinelicm", "Machine Loop Invariant Code Motion", false, false) -FunctionPass *llvm::createMachineLICMPass(bool PreRegAlloc) { - return new MachineLICM(PreRegAlloc); +FunctionPass *llvm::createMachineLICMPass() { + return new MachineLICM(); } /// LoopIsOuterMostWithPredecessor - Test if the given loop is the outer-most @@ -332,6 +331,8 @@ bool MachineLICM::runOnMachineFunction(MachineFunction &MF) { MRI = &MF.getRegInfo(); InstrItins = TM->getInstrItineraryData(); + PreRegAlloc = MRI->isSSA(); + if (PreRegAlloc) { // Estimate register pressure during pre-regalloc pass. unsigned NumRC = TRI->getNumRegClasses(); |