1 // RUN: %clang_cc1 -fprofile-instr-generate -fcoverage-mapping -dump-coverage-mapping -emit-llvm-only -main-file-name switch.c %s | FileCheck %s 2 // CHECK: foo 3 void foo(int i) { // CHECK-NEXT: File 0, [[@LINE]]:17 -> [[@LINE+8]]:2 = #0 4 switch(i) { 5 case 1: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+3]]:10 = #2 6 return; 7 case 2: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:10 = #3 8 break; 9 } 10 int x = 0; // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:2 = #1 11 } 12 13 void nop() {} 14 15 // CHECK: bar 16 void bar(int i) { // CHECK-NEXT: File 0, [[@LINE]]:17 -> [[@LINE+20]]:2 = #0 17 switch (i) 18 ; // CHECK-NEXT: File 0, [[@LINE]]:5 -> [[@LINE]]:6 = 0 19 20 switch (i) { // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+16]]:2 = #1 21 } 22 23 switch (i) // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+13]]:2 = #2 24 nop(); // CHECK-NEXT: File 0, [[@LINE]]:5 -> [[@LINE]]:10 = 0 25 26 switch (i) // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+10]]:2 = #3 27 case 1: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:10 = #5 28 nop(); 29 30 switch (i) { // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+6]]:2 = #4 31 nop(); // CHECK-NEXT: File 0, [[@LINE]]:5 -> [[@LINE+2]]:10 = 0 32 case 1: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:10 = #7 33 nop(); 34 } 35 nop(); // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:2 = #6 36 } 37 38 // CHECK-NEXT: main 39 int main() { // CHECK-NEXT: File 0, [[@LINE]]:12 -> [[@LINE+34]]:2 = #0 40 int i = 0; 41 switch(i) { 42 case 0: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+7]]:10 = #2 43 i = 1; 44 break; 45 case 1: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+2]]:10 = #3 46 i = 2; 47 break; 48 default: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:10 = #4 49 break; 50 } 51 switch(i) { // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+22]]:2 = #1 52 case 0: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+6]]:10 = #6 53 i = 1; 54 break; 55 case 1: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+3]]:10 = #7 56 i = 2; 57 default: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:10 = (#7 + #8) 58 break; 59 } 60 61 switch(i) { // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+12]]:2 = #5 62 case 1: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+5]]:11 = #10 63 case 2: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+4]]:11 = (#10 + #11) 64 i = 11; 65 case 3: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+2]]:11 = ((#10 + #11) + #12) 66 case 4: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:11 = (((#10 + #11) + #12) + #13) 67 i = 99; 68 } 69 70 foo(1); // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+2]]:11 = #9 71 bar(1); 72 return 0; 73 } 74
