[llvm-commits] [llvm] r41739 - in /llvm/trunk/lib/CodeGen: LiveInterval.cpp LiveIntervalAnalysis.cpp

[Evan Cheng]

Author: evancheng
Date: Wed Sep  5 20:07:24 2007
New Revision: 41739

URL: http://llvm.org/viewvc/llvm-project?rev=41739&view=rev
Log:
Fix a memory leak.

Modified:
    llvm/trunk/lib/CodeGen/LiveInterval.cpp
    llvm/trunk/lib/CodeGen/LiveIntervalAnalysis.cpp

Modified: llvm/trunk/lib/CodeGen/LiveInterval.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/LiveInterval.cpp?rev=41739&r1=41738&r2=41739&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/LiveInterval.cpp (original)
+++ llvm/trunk/lib/CodeGen/LiveInterval.cpp Wed Sep  5 20:07:24 2007
@@ -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;

Modified: llvm/trunk/lib/CodeGen/LiveIntervalAnalysis.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/LiveIntervalAnalysis.cpp?rev=41739&r1=41738&r2=41739&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/LiveIntervalAnalysis.cpp (original)
+++ llvm/trunk/lib/CodeGen/LiveIntervalAnalysis.cpp Wed Sep  5 20:07:24 2007
@@ -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];
 }