1 // RUN: %clang_cc1 -mllvm -emptyline-comment-coverage=false -fprofile-instrument=clang -fcoverage-mapping -dump-coverage-mapping -emit-llvm-only -std=c++2b -triple %itanium_abi_triple -main-file-name if.cpp %s | FileCheck %s 2 3 int nop() { return 0; } 4 5 // CHECK-LABEL: _Z3foov: 6 // CHECK-NEXT: [[@LINE+3]]:12 -> [[@LINE+8]]:2 = #0 7 // CHECK-NEXT: [[@LINE+3]]:15 -> [[@LINE+3]]:19 = #0 8 // CHECK-NEXT: Branch,File 0, [[@LINE+2]]:15 -> [[@LINE+2]]:19 = 0, 0 9 void foo() { // CHECK-NEXT: Gap,File 0, [[@LINE+1]]:21 -> [[@LINE+1]]:22 = #2 10 if (int j = true ? nop() // CHECK-NEXT: [[@LINE]]:22 -> [[@LINE]]:27 = #2 11 : nop(); // CHECK-NEXT: [[@LINE]]:22 -> [[@LINE]]:27 = (#0 - #2) 12 j) // CHECK-NEXT: [[@LINE]]:7 -> [[@LINE]]:8 = #0 13 ++j; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:7 -> [[@LINE-1]]:8 = #1, (#0 - #1) 14 } // CHECK-NEXT: [[@LINE-2]]:9 -> [[@LINE-1]]:5 = #1 15 // CHECK-NEXT: [[@LINE-2]]:5 -> [[@LINE-2]]:8 = #1 16 17 // FIXME: Do not generate coverage for discarded branches in if consteval and if constexpr statements 18 constexpr int check_consteval(int i) { 19 if consteval { 20 i++; 21 } 22 if !consteval { 23 i++; 24 } 25 if consteval { 26 return 42; 27 } else { 28 return i; 29 } 30 } 31 32 // CHECK-LABEL: main: 33 int main() { // CHECK: File 0, [[@LINE]]:12 -> {{[0-9]+}}:2 = #0 34 int i = 0; 35 // CHECK-NEXT: File 0, [[@LINE+3]]:6 -> [[@LINE+3]]:12 = #0 36 // CHECK-NEXT: Branch,File 0, [[@LINE+2]]:6 -> [[@LINE+2]]:12 = #1, (#0 - #1) 37 // CHECK-NEXT: Gap,File 0, [[@LINE+1]]:13 -> [[@LINE+1]]:14 = #1 38 if(i == 0) i = 1; // CHECK-NEXT: File 0, [[@LINE]]:14 -> [[@LINE]]:19 = #1 39 40 // CHECK-NEXT: File 0, [[@LINE+2]]:6 -> [[@LINE+2]]:12 = #0 41 // CHECK-NEXT: Branch,File 0, [[@LINE+1]]:6 -> [[@LINE+1]]:12 = #2, (#0 - #2) 42 if(i == 1) // CHECK-NEXT: Gap,File 0, [[@LINE]]:13 -> [[@LINE+1]]:5 = #2 43 i = 2; // CHECK-NEXT: File 0, [[@LINE]]:5 -> [[@LINE]]:10 = #2 44 45 // CHECK-NEXT: File 0, [[@LINE+2]]:6 -> [[@LINE+2]]:12 = #0 46 // CHECK-NEXT: Branch,File 0, [[@LINE+1]]:6 -> [[@LINE+1]]:12 = #3, (#0 - #3) 47 if(i == 0) { i = 1; // CHECK-NEXT: Gap,File 0, [[@LINE]]:13 -> [[@LINE]]:14 = #3 48 i = 2; // CHECK-NEXT: File 0, [[@LINE-1]]:14 -> [[@LINE+1]]:4 = #3 49 } 50 // CHECK-NEXT: File 0, [[@LINE+2]]:6 -> [[@LINE+2]]:12 = #0 51 // CHECK-NEXT: Branch,File 0, [[@LINE+1]]:6 -> [[@LINE+1]]:12 = #4, (#0 - #4) 52 if(i != 0) { // CHECK-NEXT: Gap,File 0, [[@LINE]]:13 -> [[@LINE]]:14 = #4 53 i = 1; // CHECK-NEXT: File 0, [[@LINE-1]]:14 -> [[@LINE+1]]:4 = #4 54 } else { // CHECK-NEXT: Gap,File 0, [[@LINE]]:4 -> [[@LINE]]:10 = (#0 - #4) 55 i = 3; // CHECK-NEXT: File 0, [[@LINE-1]]:10 -> [[@LINE+1]]:4 = (#0 - #4) 56 } 57 58 // CHECK-NEXT: File 0, [[@LINE+2]]:7 -> [[@LINE+2]]:13 = #0 59 // CHECK-NEXT: Branch,File 0, [[@LINE+1]]:7 -> [[@LINE+1]]:13 = #5, (#0 - #5) 60 i = i == 0? // CHECK-NEXT: Gap,File 0, [[@LINE]]:14 -> [[@LINE+1]]:9 = #5 61 i + 1 : // CHECK-NEXT: File 0, [[@LINE]]:9 -> [[@LINE]]:14 = #5 62 i + 2; // CHECK-NEXT: File 0, [[@LINE]]:9 -> [[@LINE]]:14 = (#0 - #5) 63 64 // CHECK-NEXT: File 0, [[@LINE+3]]:7 -> [[@LINE+3]]:13 = #0 65 // CHECK-NEXT: Branch,File 0, [[@LINE+2]]:7 -> [[@LINE+2]]:13 = #6, (#0 - #6) 66 // CHECK-NEXT: File 0, [[@LINE+1]]:14 -> [[@LINE+1]]:20 = #6 67 i = i == 0?i + 12:i + 10; // CHECK-NEXT: File 0, [[@LINE]]:21 -> [[@LINE]]:27 = (#0 - #6) 68 69 // GH-57377 70 constexpr int c_i = check_consteval(0); 71 check_consteval(i); 72 73 return 0; 74 } 75 76 #define FOO true 77 78 // CHECK-LABEL: _Z7ternaryv: 79 void ternary() { 80 true ? FOO : FOO; // CHECK-NOT: Gap,{{.*}}, [[@LINE]]:8 -> 81 } 82