Fix a memory leak.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41739 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveInterval.cpp b/lib/CodeGen/LiveInterval.cpp
index 4d38f0a..9b4872d 100644
--- a/lib/CodeGen/LiveInterval.cpp
+++ b/lib/CodeGen/LiveInterval.cpp
@@ -476,7 +476,9 @@
// ~1U so it can be nuked later.
if (V1->id == getNumValNums()-1) {
do {
+ VNInfo *VNI = valnos.back();
valnos.pop_back();
+ VNI->~VNInfo();
} while (valnos.back()->def == ~1U);
} else {
V1->def = ~1U;
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index 2f93b76..3d324b7 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -62,10 +62,11 @@
}
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];
}