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Have MachineFunction cache a pointer to the subtarget to make lookups

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shorter/easier and have the DAG use that to do the same lookup. This
can be used in the future for TargetMachine based caching lookups from
the MachineFunction easily.

Update the MIPS subtarget switching machinery to update this pointer
at the same time it runs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214838 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher
2014-08-05 02:39:49 +00:00
parent c2328d552c
commit 6035518e3b
136 changed files with 491 additions and 739 deletions
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5
lib/CodeGen/LiveDebugVariables.cpp
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@ -699,7 +699,7 @@ bool LDVImpl::runOnMachineFunction(MachineFunction &mf) {
MF = &mf;
LIS = &pass.getAnalysis<LiveIntervals>();
MDT = &pass.getAnalysis<MachineDominatorTree>();
TRI = mf.getTarget().getSubtargetImpl()->getRegisterInfo();
TRI = mf.getSubtarget().getRegisterInfo();
LS.initialize(mf);
DEBUG(dbgs() << "********** COMPUTING LIVE DEBUG VARIABLES: "
<< mf.getName() << " **********\n");
@ -994,8 +994,7 @@ void LDVImpl::emitDebugValues(VirtRegMap *VRM) {
DEBUG(dbgs() << "********** EMITTING LIVE DEBUG VARIABLES **********\n");
if (!MF)
return;
const TargetInstrInfo *TII =
MF->getTarget().getSubtargetImpl()->getInstrInfo();
const TargetInstrInfo *TII = MF->getSubtarget().getInstrInfo();
for (unsigned i = 0, e = userValues.size(); i != e; ++i) {
DEBUG(userValues[i]->print(dbgs(), &MF->getTarget()));
userValues[i]->rewriteLocations(*VRM, *TRI);