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/LiveInterval.cpp b/lib/CodeGen/LiveInterval.cpp
index e207f60..7af25dd 100644
--- a/lib/CodeGen/LiveInterval.cpp
+++ b/lib/CodeGen/LiveInterval.cpp
@@ -305,7 +305,6 @@
do {
VNInfo *VNI = valnos.back();
valnos.pop_back();
- VNI->~VNInfo();
} while (!valnos.empty() && valnos.back()->isUnused());
} else {
ValNo->setIsUnused(true);
@@ -353,7 +352,6 @@
do {
VNInfo *VNI = valnos.back();
valnos.pop_back();
- VNI->~VNInfo();
} while (!valnos.empty() && valnos.back()->isUnused());
} else {
ValNo->setIsUnused(true);
@@ -581,7 +579,6 @@
do {
VNInfo *VNI = valnos.back();
valnos.pop_back();
- VNI->~VNInfo();
} while (!valnos.empty() && valnos.back()->isUnused());
} else {
V1->setIsUnused(true);
@@ -658,7 +655,6 @@
if (UnusedValNo) {
// Delete the last unused val#.
valnos.pop_back();
- UnusedValNo->~VNInfo();
}
}
@@ -751,7 +747,6 @@
do {
VNInfo *VNI = valnos.back();
valnos.pop_back();
- VNI->~VNInfo();
} while (valnos.back()->isUnused());
} else {
V1->setIsUnused(true);
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();