blob: d03a0c9322f02ebf6b100c57dde01e348c90c8c6 [file] [log] [blame]
Dan Gohmanb49bd272012-02-16 00:57:37 +00001// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fobjc-arc -fblocks -fexceptions -fobjc-exceptions -O2 -disable-llvm-optzns -o - %s | FileCheck %s
2// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fobjc-arc -fblocks -fexceptions -fobjc-exceptions -O0 -disable-llvm-optzns -o - %s | FileCheck -check-prefix=NO-METADATA %s
3// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fobjc-arc -fblocks -fexceptions -fobjc-exceptions -O2 -disable-llvm-optzns -o - %s -fobjc-arc-exceptions | FileCheck -check-prefix=NO-METADATA %s
4
5// The front-end should emit clang.arc.no_objc_arc_exceptions in -fobjc-arc-exceptions
6// mode when optimization is enabled, and not otherwise.
7
8void thrower(void);
9void not(void) __attribute__((nothrow));
10
11// CHECK: define void @test0(
12// CHECK: call void @thrower(), !clang.arc.no_objc_arc_exceptions !0
13// CHECK: call void @not() nounwind, !clang.arc.no_objc_arc_exceptions !0
14// NO-METADATA: define void @test0(
15// NO-METADATA-NOT: !clang.arc.no_objc_arc_exceptions
16// NO-METADATA: }
17void test0(void) {
18 thrower();
19 not();
20}
21
22// CHECK: define void @test1(
23// CHECK: call void @thrower(), !clang.arc.no_objc_arc_exceptions !0
24// CHECK: call void @not() nounwind, !clang.arc.no_objc_arc_exceptions !0
25// NO-METADATA: define void @test1(
26// NO-METADATA-NOT: !clang.arc.no_objc_arc_exceptions
27// NO-METADATA: }
28void test1(id x) {
29 id y = x;
30 thrower();
31 not();
32}
33
34void NSLog(id, ...);
35
36// CHECK: define void @test2(
37// CHECK: invoke void (i8*, ...)* @NSLog(i8* bitcast (%struct.NSConstantString* @_unnamed_cfstring_ to i8*), i32* %x2)
38// CHECK: to label %invoke.cont unwind label %lpad, !clang.arc.no_objc_arc_exceptions !0
39// NO-METADATA: define void @test2(
40// NO-METADATA-NOT: !clang.arc.no_objc_arc_exceptions
41// NO-METADATA: }
42void test2(void) {
43 @autoreleasepool {
44 __attribute__((__blocks__(byref))) int x;
45 NSLog(@"Address of x outside of block: %p", &x);
46 }
47}
48
49// CHECK: define void @test3(
50// CHECK: invoke void %9(i8* %7)
51// CHECK: to label %invoke.cont unwind label %lpad, !clang.arc.no_objc_arc_exceptions !0
52// NO-METADATA: define void @test3(
53// NO-METADATA-NOT: !clang.arc.no_objc_arc_exceptions
54// NO-METADATA: }
55void test3(void) {
56 @autoreleasepool {
57 __attribute__((__blocks__(byref))) int x;
58 ^{
59 NSLog(@"Address of x in non-assigned block: %p", &x);
60 }();
61 }
62}
63
64// CHECK: define void @test4(
65// CHECK: invoke void %13(i8* %11)
66// CHECK: to label %invoke.cont unwind label %lpad, !clang.arc.no_objc_arc_exceptions !0
67// NO-METADATA: define void @test4(
68// NO-METADATA-NOT: !clang.arc.no_objc_arc_exceptions
69// NO-METADATA: }
70void test4(void) {
71 @autoreleasepool {
72 __attribute__((__blocks__(byref))) int x;
73 void (^b)(void) = ^{
74 NSLog(@"Address of x in assigned block: %p", &x);
75 };
76 b();
77 }
78}