Reapply r99881 with some fixes: only call destructor in releaseMemory!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99883 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index e657c46..53366b9 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -82,6 +82,11 @@
MachineFunctionPass::getAnalysisUsage(AU);
}
+static void VNInfoDTor(void* Ptr)
+{
+ reinterpret_cast<VNInfo*>(Ptr)->~VNInfo();
+}
+
void LiveIntervals::releaseMemory() {
// Free the live intervals themselves.
for (DenseMap<unsigned, LiveInterval*>::iterator I = r2iMap_.begin(),
@@ -91,7 +96,7 @@
r2iMap_.clear();
// Release VNInfo memroy regions after all VNInfo objects are dtor'd.
- VNInfoAllocator.Reset();
+ VNInfoAllocator.Reset((unsigned)sizeof(VNInfo), alignof<VNInfo>(), VNInfoDTor);
while (!CloneMIs.empty()) {
MachineInstr *MI = CloneMIs.back();
CloneMIs.pop_back();