Get the cached subtarget off the MachineFunction rather than

inquiring for a new one from the TargetMachine.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230037 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2015-02-20 18:44:15 +00:00
parent 74e8bf678a
commit 6de800e056
2 changed files with 4 additions and 8 deletions

View File

@ -57,7 +57,6 @@ public:
/// in the machine code. It inserts labels at safe points and populates a
/// GCMetadata record for each function.
class GCMachineCodeAnalysis : public MachineFunctionPass {
const TargetMachine *TM;
GCFunctionInfo *FI;
MachineModuleInfo *MMI;
const TargetInstrInfo *TII;
@ -312,7 +311,7 @@ void GCMachineCodeAnalysis::FindSafePoints(MachineFunction &MF) {
}
void GCMachineCodeAnalysis::FindStackOffsets(MachineFunction &MF) {
const TargetFrameLowering *TFI = TM->getSubtargetImpl()->getFrameLowering();
const TargetFrameLowering *TFI = MF.getSubtarget().getFrameLowering();
assert(TFI && "TargetRegisterInfo not available!");
for (GCFunctionInfo::roots_iterator RI = FI->roots_begin();
@ -336,9 +335,8 @@ bool GCMachineCodeAnalysis::runOnMachineFunction(MachineFunction &MF) {
if (!FI->getStrategy().needsSafePoints())
return false;
TM = &MF.getTarget();
MMI = &getAnalysis<MachineModuleInfo>();
TII = TM->getSubtargetImpl()->getInstrInfo();
TII = MF.getSubtarget().getInstrInfo();
// Find the size of the stack frame.
FI->setFrameSize(MF.getFrameInfo()->getStackSize());

View File

@ -46,14 +46,13 @@ namespace {
initializePPCTLSDynamicCallPass(*PassRegistry::getPassRegistry());
}
const PPCTargetMachine *TM;
const PPCInstrInfo *TII;
LiveIntervals *LIS;
protected:
bool processBlock(MachineBasicBlock &MBB) {
bool Changed = false;
bool Is64Bit = TM->getSubtargetImpl()->isPPC64();
bool Is64Bit = MBB.getParent()->getSubtarget<PPCSubtarget>().isPPC64();
for (MachineBasicBlock::iterator I = MBB.begin(), IE = MBB.end();
I != IE; ++I) {
@ -133,8 +132,7 @@ protected:
public:
bool runOnMachineFunction(MachineFunction &MF) override {
TM = static_cast<const PPCTargetMachine *>(&MF.getTarget());
TII = TM->getSubtargetImpl()->getInstrInfo();
TII = MF.getSubtarget<PPCSubtarget>().getInstrInfo();
LIS = &getAnalysis<LiveIntervals>();
bool Changed = false;