Fix a memory leak.

llvm-svn: 41739
2007-09-06 01:07:24 +00:00
parent b56a990955
commit d059eed1c1
2 changed files with 4 additions and 1 deletions
--- a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -62,10 +62,11 @@ void LiveIntervals::getAnalysisUsage(AnalysisUsage &AU) const {
 }

 void LiveIntervals::releaseMemory() {
-  VNInfoAllocator.Reset();
  mi2iMap_.clear();
  i2miMap_.clear();
  r2iMap_.clear();
+  // Release VNInfo memroy regions after all VNInfo objects are dtor'd.
+  VNInfoAllocator.Reset();
  for (unsigned i = 0, e = ClonedMIs.size(); i != e; ++i)
    delete ClonedMIs[i];
 }