Store more information about live temporaries. No functionality change for now.

llvm-svn: 72793

2 files changed, 26 insertions, 3 deletions

diff --git a/clang/lib/CodeGen/CGCXXTemp.cpp b/clang/lib/CodeGen/CGCXXTemp.cpp
index 4511078e1d1..59ed3bbc60f 100644
--- a/clang/lib/CodeGen/CGCXXTemp.cpp
+++ b/clang/lib/CodeGen/CGCXXTemp.cpp
@@ -17,7 +17,7 @@ using namespace CodeGen;
 
 void CodeGenFunction::PushCXXTemporary(const CXXTemporary *Temporary, 
                                        llvm::Value *Ptr) {
-  LiveTemporaries.push_back(Temporary);
+  LiveTemporaries.push_back(CXXLiveTemporaryInfo(Temporary, Ptr, 0, 0));
   
   // Make a cleanup scope and emit the destructor.
   {
@@ -40,7 +40,7 @@ CodeGenFunction::EmitCXXExprWithTemporaries(const CXXExprWithTemporaries *E,
   
   // Go through the temporaries backwards.
   for (unsigned i = E->getNumTemporaries(); i != 0; --i) {
-    assert(LiveTemporaries.back() == E->getTemporary(i - 1));
+    assert(LiveTemporaries.back().Temporary == E->getTemporary(i - 1));
     LiveTemporaries.pop_back();
   }
 
diff --git a/clang/lib/CodeGen/CodeGenFunction.h b/clang/lib/CodeGen/CodeGenFunction.h
index b7894a4068a..97ca81bc2b9 100644
--- a/clang/lib/CodeGen/CodeGenFunction.h
+++ b/clang/lib/CodeGen/CodeGenFunction.h
@@ -239,7 +239,30 @@ private:
   /// 'this' declaration.
   ImplicitParamDecl *CXXThisDecl;
   
-  llvm::SmallVector<const CXXTemporary*, 4> LiveTemporaries;
+  /// CXXLiveTemporaryInfo - Holds information about a live C++ temporary.
+  struct CXXLiveTemporaryInfo {
+    /// Temporary - The live temporary.
+    const CXXTemporary *Temporary;
+    
+    /// ThisPtr - The pointer to the temporary.
+    llvm::Value *ThisPtr;
+    
+    /// DtorBlock - The destructor block.
+    llvm::BasicBlock *DtorBlock;
+    
+    /// CondPtr - If this is a conditional temporary, this is the pointer to
+    /// the condition variable that states whether the destructor should be
+    /// called or not.
+    llvm::Value *CondPtr;
+    
+    CXXLiveTemporaryInfo(const CXXTemporary *temporary,
+                         llvm::Value *thisptr, llvm::Value *condptr,
+                         llvm::BasicBlock *dtorblock) 
+      : Temporary(temporary), ThisPtr(thisptr), DtorBlock(dtorblock), 
+      CondPtr(condptr) { }
+  };
+  
+  llvm::SmallVector<CXXLiveTemporaryInfo, 4> LiveTemporaries;
   
 public:
   CodeGenFunction(CodeGenModule &cgm);