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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/RegisterClassInfo.cpp
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@@ -137,7 +137,7 @@ void RegisterClassInfo::compute(const TargetRegisterClass *RC) const {
RCI.LastCostChange = LastCostChange;
DEBUG({
dbgs() << "AllocationOrder(" << RC->getName() << ") = [";
dbgs() << "AllocationOrder(" << TRI->getRegClassName(RC) << ") = [";
for (unsigned I = 0; I != RCI.NumRegs; ++I)
dbgs() << ' ' << PrintReg(RCI.Order[I], TRI);
dbgs() << (RCI.ProperSubClass ? " ] (sub-class)\n" : " ]\n");