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path: root/lib/Target/X86/X86PadShortFunction.cpp
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Diffstat (limited to 'lib/Target/X86/X86PadShortFunction.cpp')
-rw-r--r--lib/Target/X86/X86PadShortFunction.cpp20
1 files changed, 8 insertions, 12 deletions
diff --git a/lib/Target/X86/X86PadShortFunction.cpp b/lib/Target/X86/X86PadShortFunction.cpp
index adc05b2..143e70b 100644
--- a/lib/Target/X86/X86PadShortFunction.cpp
+++ b/lib/Target/X86/X86PadShortFunction.cpp
@@ -51,7 +51,7 @@ namespace {
struct PadShortFunc : public MachineFunctionPass {
static char ID;
PadShortFunc() : MachineFunctionPass(ID)
- , Threshold(4), TM(nullptr), TII(nullptr) {}
+ , Threshold(4), STI(nullptr), TII(nullptr) {}
bool runOnMachineFunction(MachineFunction &MF) override;
@@ -79,7 +79,7 @@ namespace {
// VisitedBBs - Cache of previously visited BBs.
DenseMap<MachineBasicBlock*, VisitedBBInfo> VisitedBBs;
- const TargetMachine *TM;
+ const X86Subtarget *STI;
const TargetInstrInfo *TII;
};
@@ -93,19 +93,16 @@ FunctionPass *llvm::createX86PadShortFunctions() {
/// runOnMachineFunction - Loop over all of the basic blocks, inserting
/// NOOP instructions before early exits.
bool PadShortFunc::runOnMachineFunction(MachineFunction &MF) {
- const AttributeSet &FnAttrs = MF.getFunction()->getAttributes();
- if (FnAttrs.hasAttribute(AttributeSet::FunctionIndex,
- Attribute::OptimizeForSize) ||
- FnAttrs.hasAttribute(AttributeSet::FunctionIndex,
- Attribute::MinSize)) {
+ if (MF.getFunction()->hasFnAttribute(Attribute::OptimizeForSize) ||
+ MF.getFunction()->hasFnAttribute(Attribute::MinSize)) {
return false;
}
- TM = &MF.getTarget();
- if (!TM->getSubtarget<X86Subtarget>().padShortFunctions())
+ STI = &MF.getSubtarget<X86Subtarget>();
+ if (!STI->padShortFunctions())
return false;
- TII = TM->getSubtargetImpl()->getInstrInfo();
+ TII = STI->getInstrInfo();
// Search through basic blocks and mark the ones that have early returns
ReturnBBs.clear();
@@ -195,8 +192,7 @@ bool PadShortFunc::cyclesUntilReturn(MachineBasicBlock *MBB,
return true;
}
- CyclesToEnd += TII->getInstrLatency(
- TM->getSubtargetImpl()->getInstrItineraryData(), MI);
+ CyclesToEnd += TII->getInstrLatency(STI->getInstrItineraryData(), MI);
}
VisitedBBs[MBB] = VisitedBBInfo(false, CyclesToEnd);