1 // RUN: %clang_cc1 -mllvm -emptyline-comment-coverage=false -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 6 int foo(int i) { // CHECK-NEXT: File 0, [[@LINE]]:16 -> {{[0-9]+}}:2 = #0 7 switch (i) { // CHECK-NEXT: Gap,File 0, [[@LINE]]:14 -> {{[0-9]+}}:11 = 0 8 default: // CHECK-NEXT: File 0, [[@LINE]]:3 -> {{[0-9]+}}:11 = #2 9 // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:10 = #2, (#0 - #2) 10 if (i == 1) // CHECK-NEXT: File 0, [[@LINE]]:9 -> [[@LINE]]:15 = #2 11 // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:9 -> [[@LINE-1]]:15 = #3, (#2 - #3) 12 return 0; // CHECK: File 0, [[@LINE]]:7 -> [[@LINE]]:15 = #3 13 // CHECK-NEXT: File 0, [[@LINE-1]]:16 -> [[@LINE+3]]:5 = (#2 - #3) 14 // CHECK-NEXT: Expansion,File 0, [[@LINE+2]]:5 -> [[@LINE+2]]:8 = (#2 - #3) (Expanded file = 1) 15 // CHECK-NEXT: File 0, [[@LINE+1]]:8 -> {{[0-9]+}}:11 = (#2 - #3) 16 FOO(1); 17 case 0: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+2]]:13 = ((#2 + #4) - #3) 18 // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #4, (#0 - #4) 19 return 2; // CHECK-NEXT: Gap,File 0, [[@LINE]]:14 -> [[@LINE+4]]:3 = 0 20 21 // CHECK-NEXT: Expansion,File 0, [[@LINE+2]]:3 -> [[@LINE+2]]:6 = 0 22 // CHECK-NEXT: File 0, [[@LINE+1]]:6 -> {{[0-9]+}}:11 = 0 23 FOO(1); 24 // CHECK-NEXT: File 0, [[@LINE+1]]:3 -> {{[0-9]+}}:11 = #5 25 label: ; 26 } 27 } 28 29 // PR26825 - Crash when exiting macro expansion containing a switch 30 // CHECK: bar 31 #define START { while (0) { switch (0) { 32 #define END }}} 33 void bar() { 34 START // CHECK: File 0, [[@LINE]]:8 -> [[@LINE+2]]:6 35 default: ; 36 END 37 } 38 39 // PR27948 - Crash when handling a switch partially covered by a macro 40 // CHECK: baz 41 #define START2 switch (0) default: 42 void baz() { 43 for (;;) 44 START2 return; // CHECK: Expansion,File 0, [[@LINE]]:5 -> [[@LINE]]:11 = #1 (Expanded file = 1) 45 } 46 47 int main(int argc, const char *argv[]) { 48 foo(3); 49 return 0; 50 } 51