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Move register class name strings to a single array in MCRegisterInfo to reduce static table size and number of relocation entries.

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Indices into the table are stored in each MCRegisterClass instead of a pointer. A new method, getRegClassName, is added to MCRegisterInfo and TargetRegisterInfo to lookup the string in the table.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222118 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper
2014-11-17 05:50:14 +00:00
parent daa09d03ab
commit a5babc8a31
17 changed files with 63 additions and 44 deletions
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7
lib/CodeGen/LiveRangeEdit.cpp
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@ -411,8 +411,11 @@ LiveRangeEdit::calculateRegClassAndHint(MachineFunction &MF,
for (unsigned I = 0, Size = size(); I < Size; ++I) {
LiveInterval &LI = LIS.getInterval(get(I));
if (MRI.recomputeRegClass(LI.reg, MF.getTarget()))
DEBUG(dbgs() << "Inflated " << PrintReg(LI.reg) << " to "
<< MRI.getRegClass(LI.reg)->getName() << '\n');
DEBUG({
const TargetRegisterInfo *TRI = MF.getSubtarget().getRegisterInfo();
dbgs() << "Inflated " << PrintReg(LI.reg) << " to "
<< TRI->getRegClassName(MRI.getRegClass(LI.reg)) << '\n'
});
VRAI.calculateSpillWeightAndHint(LI);
}
}