1 // RUN: %clang_cc1 -fprofile-instrument=clang -fcoverage-mapping -dump-coverage-mapping -emit-llvm-only -main-file-name switchmacro.c %s | FileCheck %s
2
3 #define FOO(x) (void)x
4
5 // CHECK: foo
foo(int i)6 int foo(int i) { // CHECK-NEXT: File 0, [[@LINE]]:16 -> {{[0-9]+}}:2 = #0
7 switch (i) { // CHECK-NEXT: File 0, [[@LINE]]:3 -> {{[0-9]+}}:4 = #1
8 default: // CHECK-NEXT: File 0, [[@LINE]]:3 -> {{[0-9]+}}:11 = #2
9 if (i == 1) // CHECK-NEXT: File 0, [[@LINE]]:9 -> [[@LINE]]:15 = #2
10 return 0; // CHECK-NEXT: File 0, [[@LINE]]:7 -> [[@LINE]]:15 = #3
11 // CHECK-NEXT: Expansion,File 0, [[@LINE+2]]:5 -> [[@LINE+2]]:8 = (#2 - #3) (Expanded file = 1)
12 // CHECK-NEXT: File 0, [[@LINE+1]]:8 -> {{[0-9]+}}:11 = (#2 - #3)
13 FOO(1);
14 case 0: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:13 = ((#2 + #4) - #3)
15 return 2;
16
17 // CHECK-NEXT: Expansion,File 0, [[@LINE+2]]:3 -> [[@LINE+2]]:6 = 0
18 // CHECK-NEXT: File 0, [[@LINE+1]]:6 -> {{[0-9]+}}:11 = 0
19 FOO(1);
20 // CHECK-NEXT: File 0, [[@LINE+1]]:3 -> {{[0-9]+}}:11 = #5
21 label: ;
22 }
23 }
24
25 // PR26825 - Crash when exiting macro expansion containing a switch
26 // CHECK: bar
27 #define START { while (0) { switch (0) {
28 #define END }}}
bar()29 void bar() {
30 START // CHECK: File 0, [[@LINE]]:8 -> [[@LINE+2]]:6
31 default: ;
32 END
33 }
34
35 // PR27948 - Crash when handling a switch partially covered by a macro
36 // CHECK: baz
37 #define START2 switch (0) default:
baz()38 void baz() {
39 for (;;)
40 START2 return; // CHECK: Expansion,File 0, [[@LINE]]:5 -> [[@LINE]]:11 = #1 (Expanded file = 1)
41 }
42
main(int argc,const char * argv[])43 int main(int argc, const char *argv[]) {
44 foo(3);
45 return 0;
46 }
47