Honor objc_precise_lifetime in GC mode by feeding the value
in the variable to an inline asm which gets run when the variable
goes out of scope.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133840 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CodeGenFunction.h b/lib/CodeGen/CodeGenFunction.h
index fea2e61..717f319 100644
--- a/lib/CodeGen/CodeGenFunction.h
+++ b/lib/CodeGen/CodeGenFunction.h
@@ -2146,6 +2146,10 @@
void EmitGCMemmoveCollectable(llvm::Value *DestPtr, llvm::Value *SrcPtr,
QualType Ty);
+ /// EmitExtendGCLifetime - Given a pointer to an Objective-C object,
+ /// make sure it survives garbage collection until this point.
+ void EmitExtendGCLifetime(llvm::Value *object);
+
/// EmitComplexExpr - Emit the computation of the specified expression of
/// complex type, returning the result.
ComplexPairTy EmitComplexExpr(const Expr *E,