From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001
From: "Zancanaro; Carlo" <czan8762@plang3.cs.usyd.edu.au>
Date: Mon, 24 Sep 2012 09:58:17 +1000
Subject: Add the clang library to the repo (with some of my changes, too).

---
 clang/test/CodeGenObjC/arc-bridged-cast.m | 90 +++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 clang/test/CodeGenObjC/arc-bridged-cast.m

(limited to 'clang/test/CodeGenObjC/arc-bridged-cast.m')

diff --git a/clang/test/CodeGenObjC/arc-bridged-cast.m b/clang/test/CodeGenObjC/arc-bridged-cast.m
new file mode 100644
index 0000000..eb9045d
--- /dev/null
+++ b/clang/test/CodeGenObjC/arc-bridged-cast.m
@@ -0,0 +1,90 @@
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fblocks -fobjc-arc -O2 -disable-llvm-optzns -o - %s | FileCheck %s
+
+typedef const void *CFTypeRef;
+typedef const struct __CFString *CFStringRef;
+
+@interface NSString
+@end
+
+CFTypeRef CFCreateSomething(void);
+CFStringRef CFCreateString(void);
+CFTypeRef CFGetSomething(void);
+CFStringRef CFGetString(void);
+
+id CreateSomething(void);
+NSString *CreateNSString(void);
+
+// CHECK: define void @bridge_transfer_from_cf
+void bridge_transfer_from_cf(int *i) {
+  // CHECK: store i32 7
+  *i = 7;
+  // CHECK: call i8* @CFCreateSomething()
+  id obj1 = (__bridge_transfer id)CFCreateSomething();
+  // CHECK-NOT: retain
+  // CHECK: store i32 11
+  *i = 11;
+  // CHECK: call i8* @CFCreateSomething()
+  // CHECK-NOT: retain
+  // CHECK: store i32 13
+  (void)(__bridge_transfer id)CFCreateSomething(), *i = 13;
+  // CHECK: call void @objc_release
+  // CHECK: store i32 17
+  *i = 17;
+  // CHECK: call void @objc_release
+  // CHECK-NEXT: ret void
+}
+
+// CHECK: define void @bridge_from_cf
+void bridge_from_cf(int *i) {
+  // CHECK: store i32 7
+  *i = 7;
+  // CHECK: call i8* @CFCreateSomething()
+  id obj1 = (__bridge id)CFCreateSomething();
+  // CHECK: objc_retainAutoreleasedReturnValue
+  // CHECK: store i32 11
+  *i = 11;
+  // CHECK: call i8* @CFCreateSomething()
+  // CHECK-NOT: release
+  // CHECK: store i32 13
+  (void)(__bridge id)CFCreateSomething(), *i = 13;
+  // CHECK: store i32 17
+  *i = 17;
+  // CHECK: call void @objc_release
+  // CHECK-NEXT: ret void
+}
+
+// CHECK: define void @bridge_retained_of_cf
+void bridge_retained_of_cf(int *i) {
+  *i = 7;
+  // CHECK: call i8* @CreateSomething()
+  CFTypeRef cf1 = (__bridge_retained CFTypeRef)CreateSomething();
+  // CHECK-NEXT: call i8* @objc_retainAutoreleasedReturnValue
+  // CHECK: store i32 11
+  *i = 11;
+  // CHECK: call i8* @CreateSomething()
+  (__bridge_retained CFTypeRef)CreateSomething(), *i = 13;
+  // CHECK-NEXT: call i8* @objc_retainAutoreleasedReturnValue
+  // CHECK: store i32 13
+  // CHECK: store i32 17
+  *i = 17;
+  // CHECK-NEXT: ret void
+}
+
+// CHECK: define void @bridge_of_cf
+void bridge_of_cf(int *i) {
+  // CHECK: store i32 7
+  *i = 7;
+  // CHECK: call i8* @CreateSomething()
+  CFTypeRef cf1 = (__bridge CFTypeRef)CreateSomething();
+  // CHECK-NOT: retain
+  // CHECK: store i32 11
+  *i = 11;
+  // CHECK: call i8* @CreateSomething
+  (__bridge CFTypeRef)CreateSomething(), *i = 13;
+  // CHECK: store i32 13
+  // CHECK-NOT: release
+  // CHECK: store i32 17
+  *i = 17;
+  // CHECK-NEXT: ret void
+}
+
-- 
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