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Fix an obvious merge bug in -join-globalcopies (disabled).

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Jakub Staszak spotted this in review. I don't notice these things
until I manually rerun benchmarks. But reducing unit tests is a very
high priority.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168021 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Trick 2012-11-15 02:32:22 +00:00
parent 6b88e2a147
commit c6d6aeb95f
1 changed files with 3 additions and 1 deletions
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4
lib/CodeGen/RegisterCoalescer.cpp
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@ -2080,8 +2080,10 @@ void RegisterCoalescer::joinAllIntervals() {
unsigned CurrDepth = UINT_MAX;
for (unsigned i = 0, e = MBBs.size(); i != e; ++i) {
// Try coalescing the collected local copies for deeper loops.
if (JoinGlobalCopies && MBBs[i].Depth < CurrDepth)
if (JoinGlobalCopies && MBBs[i].Depth < CurrDepth) {
coalesceLocals();
CurrDepth = MBBs[i].Depth;
}
copyCoalesceInMBB(MBBs[i].MBB);
}
coalesceLocals();