MemRegions:
- Embed a reference to MemRegionManager objects in MemSpaceRegion objects
- Use this embedded reference for MemRegion objects to access ASTContext objects without external help
- Use this access to ASTContext to simplify 'isBoundable' (no ASTContext& argument required)
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73935 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/MemRegion.cpp b/lib/Analysis/MemRegion.cpp
index ad40f66..a923ac2 100644
--- a/lib/Analysis/MemRegion.cpp
+++ b/lib/Analysis/MemRegion.cpp
@@ -37,6 +37,19 @@
return false;
}
+
+MemRegionManager* SubRegion::getMemRegionManager() const {
+ const SubRegion* r = this;
+ do {
+ const MemRegion *superRegion = r->getSuperRegion();
+ if (const SubRegion *sr = dyn_cast<SubRegion>(superRegion)) {
+ r = sr;
+ continue;
+ }
+ return superRegion->getMemRegionManager();
+ } while (1);
+}
+
void MemSpaceRegion::Profile(llvm::FoldingSetNodeID& ID) const {
ID.AddInteger((unsigned)getKind());
}
@@ -192,13 +205,12 @@
// MemRegionManager methods.
//===----------------------------------------------------------------------===//
-MemSpaceRegion* MemRegionManager::LazyAllocate(MemSpaceRegion*& region) {
-
+MemSpaceRegion* MemRegionManager::LazyAllocate(MemSpaceRegion*& region) {
if (!region) {
region = (MemSpaceRegion*) A.Allocate<MemSpaceRegion>();
- new (region) MemSpaceRegion();
+ new (region) MemSpaceRegion(this);
}
-
+
return region;
}