Fix PR9883. Make sure all caches are invalidated when a live range is repaired.

The previous invalidation missed the alias interference caches.

Also add a stats counter for the number of repaired ranges.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131133 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2011-05-10 17:37:41 +00:00
parent 0d450dc659
commit bdda37d7fb
4 changed files with 8 additions and 4 deletions

View File

@ -32,6 +32,7 @@ STATISTIC(NumFinished, "Number of splits finished");
STATISTIC(NumSimple, "Number of splits that were simple");
STATISTIC(NumCopies, "Number of copies inserted for splitting");
STATISTIC(NumRemats, "Number of rematerialized defs for splitting");
STATISTIC(NumRepairs, "Number of invalid live ranges repaired");
//===----------------------------------------------------------------------===//
// Split Analysis
@ -123,6 +124,7 @@ void SplitAnalysis::analyzeUses() {
// FIXME: calcLiveBlockInfo found inconsistencies in the live range.
// I am looking at you, SimpleRegisterCoalescing!
DidRepairRange = true;
++NumRepairs;
DEBUG(dbgs() << "*** Fixing inconsistent live interval! ***\n");
const_cast<LiveIntervals&>(LIS)
.shrinkToUses(const_cast<LiveInterval*>(CurLI));