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path: root/lib/Target/Sparc/DelaySlotFiller.cpp
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Diffstat (limited to 'lib/Target/Sparc/DelaySlotFiller.cpp')
-rw-r--r--lib/Target/Sparc/DelaySlotFiller.cpp17
1 files changed, 7 insertions, 10 deletions
diff --git a/lib/Target/Sparc/DelaySlotFiller.cpp b/lib/Target/Sparc/DelaySlotFiller.cpp
index 28369fd..38bff44 100644
--- a/lib/Target/Sparc/DelaySlotFiller.cpp
+++ b/lib/Target/Sparc/DelaySlotFiller.cpp
@@ -45,10 +45,7 @@ namespace {
const SparcSubtarget *Subtarget;
static char ID;
- Filler(TargetMachine &tm)
- : MachineFunctionPass(ID), TM(tm),
- Subtarget(&TM.getSubtarget<SparcSubtarget>()) {
- }
+ Filler(TargetMachine &tm) : MachineFunctionPass(ID), TM(tm) {}
const char *getPassName() const override {
return "SPARC Delay Slot Filler";
@@ -57,6 +54,7 @@ namespace {
bool runOnMachineBasicBlock(MachineBasicBlock &MBB);
bool runOnMachineFunction(MachineFunction &F) override {
bool Changed = false;
+ Subtarget = &F.getSubtarget<SparcSubtarget>();
// This pass invalidates liveness information when it reorders
// instructions to fill delay slot.
@@ -109,8 +107,8 @@ FunctionPass *llvm::createSparcDelaySlotFillerPass(TargetMachine &tm) {
///
bool Filler::runOnMachineBasicBlock(MachineBasicBlock &MBB) {
bool Changed = false;
-
- const TargetInstrInfo *TII = TM.getSubtargetImpl()->getInstrInfo();
+ Subtarget = &MBB.getParent()->getSubtarget<SparcSubtarget>();
+ const TargetInstrInfo *TII = Subtarget->getInstrInfo();
for (MachineBasicBlock::iterator I = MBB.begin(); I != MBB.end(); ) {
MachineBasicBlock::iterator MI = I;
@@ -187,7 +185,7 @@ Filler::findDelayInstr(MachineBasicBlock &MBB,
if (J->getOpcode() == SP::RESTORErr
|| J->getOpcode() == SP::RESTOREri) {
// change retl to ret.
- slot->setDesc(TM.getSubtargetImpl()->getInstrInfo()->get(SP::RET));
+ slot->setDesc(Subtarget->getInstrInfo()->get(SP::RET));
return J;
}
}
@@ -329,8 +327,7 @@ void Filler::insertDefsUses(MachineBasicBlock::iterator MI,
bool Filler::IsRegInSet(SmallSet<unsigned, 32>& RegSet, unsigned Reg)
{
// Check Reg and all aliased Registers.
- for (MCRegAliasIterator AI(Reg, TM.getSubtargetImpl()->getRegisterInfo(),
- true);
+ for (MCRegAliasIterator AI(Reg, Subtarget->getRegisterInfo(), true);
AI.isValid(); ++AI)
if (RegSet.count(*AI))
return true;
@@ -483,7 +480,7 @@ bool Filler::tryCombineRestoreWithPrevInst(MachineBasicBlock &MBB,
if (PrevInst->isBundledWithSucc())
return false;
- const TargetInstrInfo *TII = TM.getSubtargetImpl()->getInstrInfo();
+ const TargetInstrInfo *TII = Subtarget->getInstrInfo();
switch (PrevInst->getOpcode()) {
default: break;