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 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 }}} 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: 38 void baz() { 39 for (;;) 40 START2 return; // CHECK: Expansion,File 0, [[@LINE]]:5 -> [[@LINE]]:11 = #1 (Expanded file = 1) 41 } 42 43 int main(int argc, const char *argv[]) { 44 foo(3); 45 return 0; 46 } 47