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llvm-tblgen: Stabilize subreg index tables.

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Otherwise SequenceToOffsetTable will sort by pointer and becomes non-deterministic.

llvm-svn: 190514
This commit is contained in:
Benjamin Kramer 2013-09-11 11:22:26 +00:00
parent 96466ff8b4
commit 4182059208
1 changed files with 2 additions and 2 deletions
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4
utils/TableGen/RegisterInfoEmitter.cpp
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@ -722,7 +722,7 @@ RegisterInfoEmitter::runMCDesc(raw_ostream &OS, CodeGenTarget &Target,
// Keep track of sub-register names as well. These are not differentially
// encoded.
typedef SmallVector<const CodeGenSubRegIndex*, 4> SubRegIdxVec;
SequenceToOffsetTable<SubRegIdxVec> SubRegIdxSeqs;
SequenceToOffsetTable<SubRegIdxVec, CodeGenSubRegIndex::Less> SubRegIdxSeqs;
SmallVector<SubRegIdxVec, 4> SubRegIdxLists(Regs.size());
SequenceToOffsetTable<std::string> RegStrings;
@ -1090,7 +1090,7 @@ RegisterInfoEmitter::runTargetDesc(raw_ostream &OS, CodeGenTarget &Target,
// Compress the sub-reg index lists.
typedef std::vector<const CodeGenSubRegIndex*> IdxList;
SmallVector<IdxList, 8> SuperRegIdxLists(RegisterClasses.size());
SequenceToOffsetTable<IdxList> SuperRegIdxSeqs;
SequenceToOffsetTable<IdxList, CodeGenSubRegIndex::Less> SuperRegIdxSeqs;
BitVector MaskBV(RegisterClasses.size());
for (unsigned rc = 0, e = RegisterClasses.size(); rc != e; ++rc) {