1 | // RUN: %clang_cc1 -emit-llvm -fblocks -fobjc-arc -debug-info-kind=standalone -dwarf-version=4 -disable-llvm-passes -triple x86_64-apple-darwin10 %s -o - | FileCheck %s |
2 | |
3 | // Legend: EXP = Return expression, RET = ret instruction |
4 | |
5 | // CHECK: define {{.*}}testNoSideEffect |
6 | // CHECK: call void @llvm.objc.storeStrong{{.*}} |
7 | // CHECK: call void @llvm.objc.storeStrong{{.*}} !dbg ![[RET1:[0-9]+]] |
8 | // CHECK: ret {{.*}} !dbg ![[RET1]] |
9 | |
10 | // CHECK: define {{.*}}testNoCleanup |
11 | // CHECK: ret {{.*}} !dbg ![[RET2:[0-9]+]] |
12 | |
13 | // CHECK: define {{.*}}testSideEffect |
14 | // CHECK: @objc_msgSend{{.*}} !dbg ![[MSG3:[0-9]+]] |
15 | // CHECK: ret {{.*}} !dbg ![[RET3:[0-9]+]] |
16 | |
17 | // CHECK: define {{.*}}testMultiline |
18 | // CHECK: @objc_msgSend{{.*}} !dbg ![[MSG4:[0-9]+]] |
19 | // CHECK: load{{.*}} !dbg ![[EXP4:[0-9]+]] |
20 | // CHECK: ret {{.*}} !dbg ![[RET4:[0-9]+]] |
21 | |
22 | // CHECK: define {{.*}}testVoid |
23 | // CHECK: call void @llvm.objc.storeStrong{{.*}} |
24 | // CHECK: call void @llvm.objc.storeStrong{{.*}} !dbg ![[RET5:[0-9]+]] |
25 | // CHECK: ret {{.*}} !dbg ![[RET5]] |
26 | |
27 | // CHECK: define {{.*}}testVoidNoReturn |
28 | // CHECK: @objc_msgSend{{.*}} !dbg ![[MSG6:[0-9]+]] |
29 | // CHECK: ret {{.*}} !dbg ![[RET6:[0-9]+]] |
30 | |
31 | // CHECK: define {{.*}}testNoCleanupSideEffect |
32 | // CHECK: @objc_msgSend{{.*}} !dbg ![[MSG7:[0-9]+]] |
33 | // CHECK: ret {{.*}} !dbg ![[RET7:[0-9]+]] |
34 | |
35 | // CHECK: define {{.*}}testCleanupVoid |
36 | // CHECK: icmp ne {{.*}}!dbg ![[SKIP1:[0-9]+]] |
37 | // CHECK: store i32 0, i32* {{.*}}, !dbg ![[RET8:[0-9]+]] |
38 | // CHECK: @llvm.objc.storeStrong{{.*}}, !dbg ![[RET8]] |
39 | // CHECK: ret {{.*}} !dbg ![[RET8]] |
40 | |
41 | typedef signed char BOOL; |
42 | |
43 | @interface NSObject |
44 | + (id)alloc; |
45 | - (id)init; |
46 | - (id)retain; |
47 | @end |
48 | |
49 | @class NSString; |
50 | |
51 | @interface AppDelegate : NSObject |
52 | |
53 | @end |
54 | |
55 | @implementation AppDelegate : NSObject |
56 | |
57 | // CHECK: ![[TESTNOSIDEEFFECT:.*]] = distinct !DISubprogram(name: "-[AppDelegate testNoSideEffect:]" |
58 | // CHECK-SAME: line: [[@LINE+2]] |
59 | // CHECK-SAME: DISPFlagLocalToUnit | DISPFlagDefinition |
60 | - (int)testNoSideEffect:(NSString *)foo { |
61 | int x = 1; |
62 | return 1; // Return expression |
63 | // CHECK: ![[RET1]] = !DILocation(line: [[@LINE+1]], scope: ![[TESTNOSIDEEFFECT]]) |
64 | } // Cleanup + Ret |
65 | |
66 | - (int)testNoCleanup { |
67 | // CHECK: ![[RET2]] = !DILocation(line: [[@LINE+1]], scope: !{{.*}}) |
68 | return 1; |
69 | } |
70 | |
71 | - (int)testSideEffect:(NSString *)foo { |
72 | // CHECK: ![[MSG3]] = !DILocation(line: [[@LINE+1]], scope: !{{.*}}) |
73 | return [self testNoSideEffect :foo]; |
74 | // CHECK: ![[RET3]] = !DILocation(line: [[@LINE+1]], scope: !{{.*}}) |
75 | } |
76 | |
77 | - (int)testMultiline:(NSString *)foo { |
78 | // CHECK: ![[MSG4]] = !DILocation(line: [[@LINE+1]], scope: !{{.*}}) |
79 | int r = [self testSideEffect :foo]; |
80 | // CHECK: ![[EXP4]] = !DILocation(line: [[@LINE+1]], scope: !{{.*}}) |
81 | return r; |
82 | // CHECK: ![[RET4]] = !DILocation(line: [[@LINE+1]], scope: !{{.*}}) |
83 | } |
84 | |
85 | - (void)testVoid:(NSString *)foo { |
86 | return; |
87 | // CHECK: ![[RET5]] = !DILocation(line: [[@LINE+1]], scope: !{{.*}}) |
88 | } |
89 | |
90 | - (void)testVoidNoReturn:(NSString *)foo { |
91 | // CHECK: ![[MSG6]] = !DILocation(line: [[@LINE+1]], scope: !{{.*}}) |
92 | [self testVoid :foo]; |
93 | // CHECK: ![[RET6]] = !DILocation(line: [[@LINE+1]], scope: !{{.*}}) |
94 | } |
95 | |
96 | - (int)testNoCleanupSideEffect { |
97 | // CHECK: ![[MSG7]] = !DILocation(line: [[@LINE+1]], scope: !{{.*}}) |
98 | [self testVoid :@"foo"]; |
99 | // CHECK: ![[RET7]] = !DILocation(line: [[@LINE+1]], scope: !{{.*}}) |
100 | return 1; |
101 | } |
102 | |
103 | - (void)testCleanupVoid:(BOOL)skip withDelegate: (AppDelegate *) delegate { |
104 | static BOOL skip_all; |
105 | // CHECK: ![[SKIP1]] = !DILocation(line: [[@LINE+1]], scope: |
106 | if (!skip_all) { |
107 | if (!skip) { |
108 | return; |
109 | } |
110 | NSString *s = @"bar"; |
111 | if (!skip) { |
112 | [delegate testVoid :s]; |
113 | } |
114 | } |
115 | // CHECK: ![[RET8]] = !DILocation(line: [[@LINE+1]], scope: |
116 | } |
117 | |
118 | |
119 | @end |
120 | |
121 | |
122 | int main(int argc, const char** argv) { |
123 | AppDelegate *o = [[AppDelegate alloc] init]; |
124 | return [o testMultiline :@"foo"]; |
125 | } |
126 | |