138 lines · cpp
1// RUN: %clang_cc1 -Wno-error=return-type -mllvm -emptyline-comment-coverage=false -fprofile-instrument=clang -fcoverage-mapping -dump-coverage-mapping -emit-llvm-only -std=c++1z -triple %itanium_abi_triple -main-file-name switch.cpp %s | FileCheck %s2 3// CHECK: foo4void foo(int i) { // CHECK-NEXT: File 0, [[@LINE]]:17 -> [[@LINE+11]]:2 = #05 switch(i) { // CHECK-NEXT: Branch,File 0, [[@LINE]]:10 -> [[@LINE]]:11 = (#2 + #3), ((#0 - #2) - #3)6 // CHECK-NEXT: Gap,File 0, [[@LINE-1]]:13 -> [[@LINE+5]]:10 = 07 case 1: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:11 = #28 return; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #2, (#0 - #2)9 // CHECK-NEXT: Gap,File 0, [[@LINE-1]]:12 -> [[@LINE+1]]:3 = 010 case 2: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:10 = #311 break; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #3, (#0 - #3)12 13 } // CHECK-NEXT: Gap,File 0, [[@LINE]]:4 -> [[@LINE+1]]:3 = #114 int x = 0; // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:2 = #115}16 17int nop() { return 0; }18 19 // CHECK: bar20void bar(int i) { // CHECK-NEXT: File 0, [[@LINE]]:17 -> [[@LINE+21]]:2 = #021 switch (i) // CHECK-NEXT: Branch,File 0, [[@LINE]]:11 -> [[@LINE]]:12 = 0, #022 ; // CHECK-NEXT: File 0, [[@LINE]]:5 -> [[@LINE]]:6 = 023 24 switch (i) { // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+17]]:2 = #125 } // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:11 -> [[@LINE-1]]:12 = 0, #126 27 switch (i) // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+14]]:2 = #228 nop(); // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:11 -> [[@LINE-1]]:12 = 0, #229 // CHECK-NEXT: File 0, [[@LINE-1]]:5 -> [[@LINE-1]]:10 = 030 switch (i) // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+11]]:2 = #331 case 1: // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:11 -> [[@LINE-1]]:12 = #5, (#3 - #5)32 // CHECK-NEXT: File 0, [[@LINE-1]]:3 -> [[@LINE+1]]:10 = #533 nop(); // CHECK-NEXT: Branch,File 0, [[@LINE-2]]:3 -> [[@LINE-2]]:9 = #5, (#3 - #5)34 // CHECK-NEXT: File 0, [[@LINE+1]]:3 -> [[@LINE+7]]:2 = #435 switch (i) { // CHECK-NEXT: Branch,File 0, [[@LINE]]:11 -> [[@LINE]]:12 = #7, (#4 - #7)36 nop(); // CHECK-NEXT: Gap,File 0, [[@LINE-1]]:14 -> [[@LINE+2]]:10 = 037 case 1: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:10 = #738 nop(); // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #7, (#4 - #7)39 }40 nop(); // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:2 = #641}42 43 // CHECK: baz44void baz() { // CHECK-NEXT: File 0, [[@LINE]]:12 -> [[@LINE+5]]:2 = #045 switch (int i = true ? nop() // CHECK: [[@LINE]]:26 -> [[@LINE]]:31 = #246 : nop(); // CHECK-NEXT: [[@LINE]]:26 -> [[@LINE]]:31 = (#0 - #2)47 i) {} // CHECK-NEXT: Branch,File 0, [[@LINE]]:11 -> [[@LINE]]:12 = 0, #048 nop(); // CHECK-NEXT: [[@LINE]]:3 -> [[@LINE+1]]:2 = #149}50 51 // CHECK-NEXT: main52int main() { // CHECK-NEXT: File 0, [[@LINE]]:12 -> [[@LINE+39]]:2 = #053 int i = 0;54 switch(i) { // CHECK-NEXT: Gap,File 0, [[@LINE]]:13 -> [[@LINE+8]]:10 = 055 case 0: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+2]]:10 = #256 i = 1; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #2, (#0 - #2)57 break; // CHECK-NEXT: Gap,File 0, [[@LINE]]:11 -> [[@LINE+1]]:3 = 058 case 1: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+2]]:10 = #359 i = 2; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #3, (#0 - #3)60 break; // CHECK-NEXT: Gap,File 0, [[@LINE]]:11 -> [[@LINE+1]]:3 = 061 default: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:10 = #462 break; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:10 = #4, (#0 - #4)63 } // CHECK-NEXT: Gap,File 0, [[@LINE]]:4 -> [[@LINE+1]]:3 = #164 switch(i) { // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+27]]:2 = #165 case 0: // CHECK-NEXT: Gap,File 0, [[@LINE-1]]:13 -> [[@LINE+7]]:10 = 066 i = 1; // CHECK-NEXT: File 0, [[@LINE-1]]:3 -> [[@LINE+1]]:10 = #667 break; // CHECK-NEXT: Branch,File 0, [[@LINE-2]]:3 -> [[@LINE-2]]:9 = #6, (#1 - #6)68 // CHECK-NEXT: Gap,File 0, [[@LINE-1]]:11 -> [[@LINE+1]]:3 = 069 case 1: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+3]]:10 = #770 i = 2; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #7, (#1 - #7)71 default: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:10 = (#7 + #8)72 break; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:10 = #8, (#1 - #8)73 } // CHECK-NEXT: Gap,File 0, [[@LINE]]:4 -> [[@LINE+2]]:3 = #574 // CHECK-NEXT: File 0, [[@LINE+1]]:3 -> [[@LINE+17]]:2 = #575 switch(i) { // CHECK-NEXT: Branch,File 0, [[@LINE]]:10 -> [[@LINE]]:11 = (((#10 + #11) + #12) + #13), ((((#5 - #10) - #11) - #12) - #13)76 // CHECK-NEXT: Gap,File 0, [[@LINE-1]]:13 -> [[@LINE+8]]:11 = 077 case 1: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+7]]:11 = #1078 // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #10, (#5 - #10)79 case 2: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+5]]:11 = (#10 + #11)80 i = 11; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #11, (#5 - #11)81 case 3: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+3]]:11 = ((#10 + #11) + #12)82 // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #12, (#5 - #12)83 case 4: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:11 = (((#10 + #11) + #12) + #13)84 i = 99; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #13, (#5 - #13)85 }86 87 foo(1); // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+3]]:11 = #988 bar(1);89 baz();90 return 0;91}92 93 // CHECK: pr4401194int pr44011(int i) { // CHECK-NEXT: File 0, [[@LINE]]:20 -> {{.*}}:2 = #095 switch (i) { // CHECK-NEXT: Gap,File 0, [[@LINE]]:14 -> [[@LINE+6]]:13 = 096 97 case 1: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:13 = #298 return 0; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #2, (#0 - #2)99 // CHECK-NEXT: Gap,File 0, [[@LINE-1]]:14 -> [[@LINE+1]]:3 = 0100 default: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:13 = #3101 return 1; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:10 = #3, (#0 - #3)102 }103} // A region for counter #1 is missing due to the missing return.104 105 106// FIXME: End location for "case 1" shouldn't point at the end of the switch.107 // CHECK: fallthrough108int fallthrough(int i) { // CHECK-NEXT: File 0, [[@LINE]]:24 -> [[@LINE+14]]:2 = #0109 // CHECK-NEXT: Branch,File 0, [[@LINE+1]]:10 -> [[@LINE+1]]:11 = (((#2 + #3) + #4) + #5), ((((#0 - #2) - #3) - #4) - #5)110 switch(i) { // CHECK-NEXT: Gap,File 0, [[@LINE]]:13 -> [[@LINE+10]]:10 = 0111 case 1: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+9]]:10 = #2112 i = 23; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #2, (#0 - #2)113 case 2: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+2]]:10 = (#2 + #3)114 i = 11; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #3, (#0 - #3)115 break; // CHECK-NEXT: Gap,File 0, [[@LINE]]:11 -> [[@LINE+1]]:3 = 0116 case 3: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+4]]:10 = #4117 // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #4, (#0 - #4)118 case 4: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+2]]:10 = (#4 + #5)119 i = 99; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #5, (#0 - #5)120 break;121 }122}123 124void abort(void) __attribute((noreturn));125 // CHECK: noret126int noret(int x) { // CHECK-NEXT: File 0, [[@LINE]]:18 -> [[@LINE+11]]:2127 switch (x) { // CHECK-NEXT: Gap,File 0, [[@LINE]]:14 -> [[@LINE+8]]:14 = 0128 default: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:12129 abort(); // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:10 = #2, (#0 - #2)130 // CHECK-NEXT: Gap,File 0, [[@LINE-1]]:13 -> [[@LINE+1]]:3 = 0131 case 1: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:13132 return 5; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #3, (#0 - #3)133 // CHECK-NEXT: Gap,File 0, [[@LINE-1]]:14 -> [[@LINE+1]]:3 = 0134 case 2: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:14135 return 10; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #4, (#0 - #4)136 }137}138