Add StringRegion to MemRegions.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@58137 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/MemRegion.cpp b/lib/Analysis/MemRegion.cpp
index 5dad356..f14e0cb 100644
--- a/lib/Analysis/MemRegion.cpp
+++ b/lib/Analysis/MemRegion.cpp
@@ -25,6 +25,14 @@
ID.AddInteger((unsigned)getKind());
}
+void StringRegion::ProfileRegion(llvm::FoldingSetNodeID& ID,
+ const StringLiteral* Str,
+ const MemRegion* superRegion) {
+ ID.AddInteger((unsigned) StringRegionKind);
+ ID.AddPointer(Str);
+ ID.AddPointer(superRegion);
+}
+
void AnonTypedRegion::ProfileRegion(llvm::FoldingSetNodeID& ID, QualType T,
const MemRegion* superRegion) {
ID.AddInteger((unsigned) AnonTypedRegionKind);
@@ -138,6 +146,25 @@
return LazyAllocate(unknown);
}
+StringRegion* MemRegionManager::getStringRegion(const StringLiteral* Str) {
+ llvm::FoldingSetNodeID ID;
+ MemSpaceRegion* GlobalsR = getGlobalsRegion();
+
+ StringRegion::ProfileRegion(ID, Str, GlobalsR);
+
+ void* InsertPos;
+ MemRegion* data = Regions.FindNodeOrInsertPos(ID, InsertPos);
+ StringRegion* R = cast_or_null<StringRegion>(data);
+
+ if (!R) {
+ R = (StringRegion*) A.Allocate<StringRegion>();
+ new (R) StringRegion(Str, GlobalsR);
+ Regions.InsertNode(R, InsertPos);
+ }
+
+ return R;
+}
+
VarRegion* MemRegionManager::getVarRegion(const VarDecl* d,
const MemRegion* superRegion) {
llvm::FoldingSetNodeID ID;