1 //===--- CGTemporaries.cpp - Emit LLVM Code for C++ temporaries -----------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This contains code dealing with C++ code generation of temporaries
11 //
12 //===----------------------------------------------------------------------===//
13
14 #include "CodeGenFunction.h"
15 using namespace clang;
16 using namespace CodeGen;
17
18 namespace {
19 struct DestroyTemporary : EHScopeStack::Cleanup {
20 const CXXDestructorDecl *dtor;
21 llvm::Value *addr;
DestroyTemporary__anon05028c180111::DestroyTemporary22 DestroyTemporary(const CXXDestructorDecl *dtor, llvm::Value *addr)
23 : dtor(dtor), addr(addr) {}
Emit__anon05028c180111::DestroyTemporary24 void Emit(CodeGenFunction &CGF, Flags flags) {
25 CGF.EmitCXXDestructorCall(dtor, Dtor_Complete, /*ForVirtualBase=*/false,
26 addr);
27 }
28 };
29 }
30
31 /// Emits all the code to cause the given temporary to be cleaned up.
EmitCXXTemporary(const CXXTemporary * Temporary,llvm::Value * Ptr)32 void CodeGenFunction::EmitCXXTemporary(const CXXTemporary *Temporary,
33 llvm::Value *Ptr) {
34 pushFullExprCleanup<DestroyTemporary>(NormalAndEHCleanup,
35 Temporary->getDestructor(),
36 Ptr);
37 }
38
39 RValue
EmitExprWithCleanups(const ExprWithCleanups * E,AggValueSlot Slot)40 CodeGenFunction::EmitExprWithCleanups(const ExprWithCleanups *E,
41 AggValueSlot Slot) {
42 RunCleanupsScope Scope(*this);
43 return EmitAnyExpr(E->getSubExpr(), Slot);
44 }
45
EmitExprWithCleanupsLValue(const ExprWithCleanups * E)46 LValue CodeGenFunction::EmitExprWithCleanupsLValue(const ExprWithCleanups *E) {
47 RunCleanupsScope Scope(*this);
48 return EmitLValue(E->getSubExpr());
49 }
50