aboutsummaryrefslogtreecommitdiff
path: root/lib/CodeGen/LiveIntervalAnalysis.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'lib/CodeGen/LiveIntervalAnalysis.cpp')
-rw-r--r--lib/CodeGen/LiveIntervalAnalysis.cpp9
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index 55c0370ad2..53768ae95c 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -42,7 +42,10 @@ namespace {
"Live Interval Analysis");
Statistic<> numIntervals("liveintervals", "Number of intervals");
- Statistic<> numJoined ("liveintervals", "Number of joined intervals");
+ Statistic<> numJoined ("liveintervals", "Number of intervals after "
+ "coalescing");
+ Statistic<> numJoins ("liveintervals", "Number of interval joins "
+ "performed");
Statistic<> numPeep ("liveintervals", "Number of identity moves "
"eliminated after coalescing");
Statistic<> numFolded ("liveintervals", "Number of register operands "
@@ -636,8 +639,8 @@ void LiveIntervals::Interval::join(const LiveIntervals::Interval& other)
cur = mergeRangesForward(cur);
cur = mergeRangesBackward(cur);
}
- if (MRegisterInfo::isVirtualRegister(reg))
- weight += other.weight;
+ weight += other.weight;
+ ++numJoins;
}
LiveIntervals::Interval::Ranges::iterator