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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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2
lib/CodeGen/RegAllocBase.cpp
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@ -101,7 +101,7 @@ void RegAllocBase::allocatePhysRegs() {
// register if possible and populate a list of new live intervals that
// result from splitting.
DEBUG(dbgs() << "\nselectOrSplit "
<< MRI->getRegClass(VirtReg->reg)->getName()
<< TRI->getRegClassName(MRI->getRegClass(VirtReg->reg))
<< ':' << *VirtReg << " w=" << VirtReg->weight << '\n');
typedef SmallVector<unsigned, 4> VirtRegVec;
VirtRegVec SplitVRegs;