1 // RUN: %clang_cc1 -std=c++11 -fprofile-instrument=clang -fcoverage-mapping -dump-coverage-mapping -fexceptions -fcxx-exceptions -emit-llvm-only -triple %itanium_abi_triple -main-file-name deferred-region.cpp -I %S/Inputs %s | FileCheck %s
2
3 #define IF if
4 #define STMT(S) S
5
6 // CHECK-LABEL: _Z3fooi:
foo(int x)7 void foo(int x) {
8 if (x == 0) {
9 return;
10 } // CHECK-NOT: Gap,File 0, [[@LINE]]:4
11 //< Don't complete the last deferred region in a decl, even though it may
12 //< leave some whitespace marked with the same counter as the final return.
13 }
14
15 // CHECK-LABEL: _Z4foooi:
fooo(int x)16 void fooo(int x) {
17 if (x == 0) {
18 return;
19 } // CHECK: Gap,File 0, [[@LINE]]:4 -> [[@LINE+2]]:3 = (#0 - #1)
20
21 if (x == 1) {
22 return;
23 } // CHECK-NOT: Gap,File 0, [[@LINE]]:4
24
25 }
26
27 // CHECK-LABEL: _Z3bazv:
baz()28 void baz() { // CHECK: [[@LINE]]:12 -> [[@LINE+2]]:2
29 return; // CHECK-NOT: File
30 }
31
32 // CHECK-LABEL: _Z3mazv:
maz()33 void maz() {
34 if (true)
35 return; // CHECK: Gap,File 0, [[@LINE]]:11 -> [[@LINE+2]]:3 = (#0 - #1)
36
37 return; // CHECK-NOT: Gap
38 }
39
40 // CHECK-LABEL: _Z4maazv:
maaz()41 void maaz() {
42 if (true)
43 return; // CHECK: Gap,File 0, [[@LINE]]:11
44 else
45 return; // CHECK-NOT: Gap,File 0, [[@LINE]]
46 }
47
48 // CHECK-LABEL: _Z5maaazv:
maaaz()49 void maaaz() {
50 if (true) {
51 return;
52 } else { // CHECK: Gap,File 0, [[@LINE]]:4 -> [[@LINE]]:10
53 return; // CHECK-NOT: Gap,File 0, [[@LINE]]
54 }
55 }
56
57 // CHECK-LABEL: _Z3bari:
bar(int x)58 void bar(int x) {
59 IF (x)
60 return; // CHECK: Gap,File 0, [[@LINE]]:11 -> [[@LINE+2]]:3 = (#0 - #1)
61
62 IF (!x)
63 return; // CHECK: Gap,File 0, [[@LINE]]:11 -> [[@LINE+2]]:3 = ((#0 - #1) - #2)
64
65 foo(x);
66 }
67
68 // CHECK-LABEL: _Z4quuxi:
69 // Deferred regions are not emitted within macro expansions.
quux(int x)70 void quux(int x) {
71 STMT(
72 if (x == 0)
73 return;)
74
75 // CHECK-NOT: [[@LINE-2]]:{{.*}} -> [[@LINE+2]]
76
77 if (x == 1)
78 STMT(return;)
79
80 // CHECK-NOT: [[@LINE-2]]:{{.*}} -> [[@LINE+3]]
81
82 STMT(
83 if (x == 2)
84 return;
85
86 // CHECK-NOT: [[@LINE-2]]:{{.*}} -> [[@LINE+2]]
87
88 if (x == 3)
89 return;
90 )
91 }
92
93 // CHECK-LABEL: _Z8weird_ifv:
weird_if()94 void weird_if() {
95 int i = 0;
96
97 if (false)
98 return; // CHECK: Gap,File 0, [[@LINE]]:11 -> [[@LINE+2]]:3 = (#0 - #1)
99
100 if (false)
101 i++;
102
103 if (i + 100 > 0) { // CHECK: [[@LINE]]:20 -> [[@LINE+6]]:4 = #3
104 if (false) // CHECK: [[@LINE+1]]:7 -> [[@LINE+1]]:13 = #4
105 return; // CHECK: Gap,File 0, [[@LINE]]:13 -> [[@LINE+2]]:5 = (#3 - #4)
106 // CHECK: [[@LINE+1]]:5 -> [[@LINE+3]]:4 = (#3 - #4)
107 return; // CHECK: Gap,File 0, [[@LINE]]:5 -> [[@LINE+4]]:3 = ((#0 - #1) - #3)
108
109 }
110
111 if (false)
112 return; // CHECK-NOT: Gap,File 0, [[@LINE]]:11
113 }
114
115 // CHECK-LABEL: _Z8for_loopv:
for_loop()116 void for_loop() {
117 if (false)
118 return; // CHECK: Gap,File 0, [[@LINE]]:11 -> [[@LINE+2]]:3 = (#0 - #1)
119
120 for (int i = 0; i < 10; ++i) {
121 if (i % 2 == 0)
122 continue; // CHECK: Gap,File 0, [[@LINE]]:15 -> [[@LINE+2]]:5 = (#2 - #3)
123
124 if (i % 5 == 0)
125 break; // CHECK: Gap,File 0, [[@LINE]]:12 -> [[@LINE+2]]:5 = ((#2 - #3) - #4)
126
127 int x = i; // CHECK: [[@LINE]]:5 -> [[@LINE+3]]:4 = ((#2 - #3) - #4)
128 return; // CHECK-NOT: [[@LINE]]:11 -> [[@LINE+2]]
129
130 }
131 }
132
133 struct Error {};
134
135 // CHECK-LABEL: _Z10while_loopv:
while_loop()136 void while_loop() {
137 if (false)
138 return; // CHECK: Gap,File 0, [[@LINE]]:11 -> [[@LINE+2]]:3 = (#0 - #1)
139
140 int x = 0;
141 while (++x < 10) {
142 if (x == 1)
143 continue; // CHECK: Gap,File 0, [[@LINE]]:15 -> [[@LINE+2]]:5 = (#2 - #3)
144
145 while (++x < 4) {
146 if (x == 3)
147 break; // CHECK: Gap,File 0, [[@LINE]]:14 -> [[@LINE+2]]:7 = (#4 - #5)
148
149 while (++x < 5) {}
150 }
151
152 if (x == 0)
153 throw Error(); // CHECK: Gap,File 0, [[@LINE]]:20 -> [[@LINE+2]]:5 = ((#2 - #3) - #7)
154
155 while (++x < 9) {
156 if (x == 0)
157 break; // CHECK-NOT: [[@LINE]]:14 -> [[@LINE+2]]
158
159 }
160 }
161 }
162
163 // CHECK-LABEL: _Z5gotosv:
gotos()164 void gotos() {
165 if (false)
166 goto out; // CHECK: Gap,File 0, [[@LINE]]:13 -> [[@LINE+2]]:3 = (#0 - #1)
167
168 return; // CHECK: [[@LINE]]:3 -> [[@LINE+4]]:2 = (#0 - #1)
169
170 out:
171 return; // CHECK-NOT: Gap,File 0, [[@LINE]]:8
172 }
173
174 // CHECK-LABEL: _Z8switchesv:
switches()175 void switches() {
176 int x;
177 switch (x) {
178 case 0:
179 return;
180 default:
181 return; // CHECK-NOT: Gap,File 0, [[@LINE]]
182 }
183 }
184
185 #include "deferred-region-helper.h"
186 // CHECK-LABEL: _Z13included_funcv:
187 // CHECK: Gap,File 0, 2:13 -> 3:5 = #1
188 // CHECK: Gap,File 0, 3:11 -> 4:3 = (#0 - #1)
189
190 // CHECK-LABEL: _Z7includev:
include()191 void include() {
192 included_func();
193 }
194
main()195 int main() {
196 foo(0);
197 foo(1);
198 fooo(0);
199 fooo(1);
200 maz();
201 maaz();
202 maaaz();
203 baz();
204 bar(0);
205 bar(1);
206 quux(0);
207 quux(1);
208 quux(2);
209 quux(3);
210 weird_if();
211 for_loop();
212 while_loop();
213 gotos();
214 include();
215 return 0;
216 }
217