1 // RUN: %clang_cc1 -mllvm -emptyline-comment-coverage=false -fprofile-instrument=clang -fcoverage-mapping -dump-coverage-mapping -emit-llvm-only -main-file-name macro-expansion.c %s | FileCheck %s 2 3 // CHECK: func 4 // CHECK: File 1, [[@LINE+7]]:12 -> [[@LINE+7]]:38 = #0 5 // CHECK-NEXT: File 1, [[@LINE+6]]:15 -> [[@LINE+6]]:28 = (#0 + #2) 6 // CHECK-NEXT: File 1, [[@LINE+5]]:21 -> [[@LINE+5]]:22 = (#0 + #2) 7 // CHECK: Branch,File 1, [[@LINE+4]]:21 -> [[@LINE+4]]:22 = 0, ((#0 + #2) - #3) 8 // CHECK-NEXT: File 1, [[@LINE+3]]:24 -> [[@LINE+3]]:26 = #3 9 // CHECK-NEXT: File 1, [[@LINE+2]]:36 -> [[@LINE+2]]:37 = (#0 + #2) 10 // CHECK-NEXT: Branch,File 1, [[@LINE+1]]:36 -> [[@LINE+1]]:37 = 0, #0 11 #define M1 do { if (0) {} } while (0) 12 // CHECK-NEXT: File 2, [[@LINE+12]]:15 -> [[@LINE+12]]:41 = #0 13 // CHECK-NEXT: File 2, [[@LINE+11]]:18 -> [[@LINE+11]]:31 = (#0 + #4) 14 // CHECK-NEXT: File 2, [[@LINE+10]]:24 -> [[@LINE+10]]:25 = (#0 + #4) 15 // CHECK: File 2, [[@LINE+9]]:27 -> [[@LINE+9]]:29 = #5 16 // CHECK-NEXT: File 2, [[@LINE+8]]:39 -> [[@LINE+8]]:40 = (#0 + #4) 17 // CHECK-NEXT: Branch,File 2, [[@LINE+7]]:39 -> [[@LINE+7]]:40 = 0, #0 18 // CHECK-NEXT: File 3, [[@LINE+6]]:15 -> [[@LINE+6]]:41 = #0 19 // CHECK-NEXT: File 3, [[@LINE+5]]:18 -> [[@LINE+5]]:31 = (#0 + #6) 20 // CHECK-NEXT: File 3, [[@LINE+4]]:24 -> [[@LINE+4]]:25 = (#0 + #6) 21 // CHECK: File 3, [[@LINE+3]]:27 -> [[@LINE+3]]:29 = #7 22 // CHECK-NEXT: File 3, [[@LINE+2]]:39 -> [[@LINE+2]]:40 = (#0 + #6) 23 // CHECK-NEXT: Branch,File 3, [[@LINE+1]]:39 -> [[@LINE+1]]:40 = 0, #0 24 #define M2(x) do { if (x) {} } while (0) 25 // CHECK-NEXT: File 4, [[@LINE+5]]:15 -> [[@LINE+5]]:38 = #0 26 // CHECK-NEXT: File 4, [[@LINE+4]]:18 -> [[@LINE+4]]:28 = (#0 + #8) 27 // CHECK-NEXT: Expansion,File 4, [[@LINE+3]]:20 -> [[@LINE+3]]:22 = (#0 + #8) 28 // CHECK-NEXT: File 4, [[@LINE+2]]:36 -> [[@LINE+2]]:37 = (#0 + #8) 29 // CHECK-NEXT: Branch,File 4, [[@LINE+1]]:36 -> [[@LINE+1]]:37 = 0, #0 30 #define M3(x) do { M2(x); } while (0) 31 // CHECK-NEXT: File 5, [[@LINE+4]]:15 -> [[@LINE+4]]:27 = #0 32 // CHECK-NEXT: File 5, [[@LINE+3]]:16 -> [[@LINE+3]]:19 = #0 33 // CHECK-NEXT: Branch,File 5, [[@LINE+2]]:16 -> [[@LINE+2]]:19 = #12, (#0 - #12) 34 // CHECK-NEXT: File 5, [[@LINE+1]]:23 -> [[@LINE+1]]:26 = #12 35 #define M4(x) ((x) && (x)) 36 // CHECK-NEXT: Branch,File 5, [[@LINE-1]]:23 -> [[@LINE-1]]:26 = #13, (#12 - #13) 37 // CHECK-NEXT: File 6, [[@LINE+4]]:15 -> [[@LINE+4]]:27 = #0 38 // CHECK-NEXT: File 6, [[@LINE+3]]:16 -> [[@LINE+3]]:19 = #0 39 // CHECK-NEXT: Branch,File 6, [[@LINE+2]]:16 -> [[@LINE+2]]:19 = (#0 - #15), #15 40 // CHECK-NEXT: File 6, [[@LINE+1]]:23 -> [[@LINE+1]]:26 = #15 41 #define M5(x) ((x) || (x)) 42 // CHECK-NEXT: Branch,File 6, [[@LINE-1]]:23 -> [[@LINE-1]]:26 = (#15 - #16), #16 43 // CHECK-NEXT: File 7, [[@LINE+1]]:15 -> [[@LINE+1]]:26 = #0 44 #define M6(x) ((x) + (x)) 45 // CHECK-NEXT: Branch,File 7, [[@LINE-1]]:15 -> [[@LINE-1]]:26 = #17, (#0 - #17) 46 // CHECK-NEXT: File 8, [[@LINE+1]]:15 -> [[@LINE+1]]:18 = #0 47 #define M7(x) (x) 48 49 // Check for the expansion of M2 within M3. 50 // CHECK-NEXT: Branch,File 8, [[@LINE-3]]:15 -> [[@LINE-3]]:18 = #18, (#0 - #18) 51 // CHECK-NEXT: File 9, {{[0-9]+}}:15 -> {{[0-9]+}}:41 = (#0 + #8) 52 // CHECK-NEXT: File 9, {{[0-9]+}}:18 -> {{[0-9]+}}:31 = ((#0 + #8) + #9) 53 // CHECK-NEXT: File 9, {{[0-9]+}}:24 -> {{[0-9]+}}:25 = ((#0 + #8) + #9) 54 // CHECK: File 9, {{[0-9]+}}:27 -> {{[0-9]+}}:29 = #10 55 // CHECK-NEXT: File 9, {{[0-9]+}}:39 -> {{[0-9]+}}:40 = ((#0 + #8) + #9) 56 57 void func(int x) { 58 if (x) {} 59 M1; 60 M2(!x); 61 M2(x); 62 M3(x); 63 if (M4(x)) {} 64 if (M5(x)) {} 65 if (M6(x)) {} 66 if (M7(x)) {} 67 } 68 69 int main(int argc, const char *argv[]) { 70 func(0); 71 } 72