// RUN: %clang_cc1 -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 %s
// CHECK: foo
void foo(int i) { // CHECK-NEXT: File 0, [[@LINE]]:17 -> [[@LINE+11]]:2 = #0
switch(i) { // CHECK-NEXT: Branch,File 0, [[@LINE]]:10 -> [[@LINE]]:11 = ((#0 - #2) - #3), (#2 + #3)
// CHECK-NEXT: Gap,File 0, [[@LINE-1]]:13 -> [[@LINE+5]]:10 = 0
case 1: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:11 = #2
return; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #2, (#0 - #2)
// CHECK-NEXT: Gap,File 0, [[@LINE-1]]:12 -> [[@LINE+1]]:3 = 0
case 2: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:10 = #3
break; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #3, (#0 - #3)
} // CHECK-NEXT: Gap,File 0, [[@LINE]]:4 -> [[@LINE+1]]:3 = #1
int x = 0; // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:2 = #1
}
int nop() { return 0; }
// CHECK: bar
void bar(int i) { // CHECK-NEXT: File 0, [[@LINE]]:17 -> [[@LINE+21]]:2 = #0
switch (i) // CHECK-NEXT: Branch,File 0, [[@LINE]]:11 -> [[@LINE]]:12 = #0, 0
; // CHECK-NEXT: File 0, [[@LINE]]:5 -> [[@LINE]]:6 = 0
switch (i) { // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+17]]:2 = #1
} // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:11 -> [[@LINE-1]]:12 = #1, 0
switch (i) // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+14]]:2 = #2
nop(); // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:11 -> [[@LINE-1]]:12 = #2, 0
// CHECK-NEXT: File 0, [[@LINE-1]]:5 -> [[@LINE-1]]:10 = 0
switch (i) // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+11]]:2 = #3
case 1: // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:11 -> [[@LINE-1]]:12 = (#3 - #5), #5
// CHECK-NEXT: File 0, [[@LINE-1]]:3 -> [[@LINE+1]]:10 = #5
nop(); // CHECK-NEXT: Branch,File 0, [[@LINE-2]]:3 -> [[@LINE-2]]:9 = #5, (#3 - #5)
// CHECK-NEXT: File 0, [[@LINE+1]]:3 -> [[@LINE+7]]:2 = #4
switch (i) { // CHECK-NEXT: Branch,File 0, [[@LINE]]:11 -> [[@LINE]]:12 = (#4 - #7), #7
nop(); // CHECK-NEXT: Gap,File 0, [[@LINE-1]]:14 -> [[@LINE+2]]:10 = 0
case 1: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:10 = #7
nop(); // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #7, (#4 - #7)
}
nop(); // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:2 = #6
}
// CHECK: baz
void baz() { // CHECK-NEXT: File 0, [[@LINE]]:12 -> [[@LINE+5]]:2 = #0
switch (int i = true ? nop() // CHECK: [[@LINE]]:26 -> [[@LINE]]:31 = #2
: nop(); // CHECK-NEXT: [[@LINE]]:26 -> [[@LINE]]:31 = (#0 - #2)
i) {} // CHECK-NEXT: Branch,File 0, [[@LINE]]:11 -> [[@LINE]]:12 = #0, 0
nop(); // CHECK-NEXT: [[@LINE]]:3 -> [[@LINE+1]]:2 = #1
}
// CHECK-NEXT: main
int main() { // CHECK-NEXT: File 0, [[@LINE]]:12 -> [[@LINE+39]]:2 = #0
int i = 0;
switch(i) { // CHECK-NEXT: Gap,File 0, [[@LINE]]:13 -> [[@LINE+8]]:10 = 0
case 0: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+2]]:10 = #2
i = 1; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #2, (#0 - #2)
break; // CHECK-NEXT: Gap,File 0, [[@LINE]]:11 -> [[@LINE+1]]:3 = 0
case 1: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+2]]:10 = #3
i = 2; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #3, (#0 - #3)
break; // CHECK-NEXT: Gap,File 0, [[@LINE]]:11 -> [[@LINE+1]]:3 = 0
default: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:10 = #4
break; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:10 = #4, (#0 - #4)
} // CHECK-NEXT: Gap,File 0, [[@LINE]]:4 -> [[@LINE+1]]:3 = #1
switch(i) { // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+27]]:2 = #1
case 0: // CHECK-NEXT: Gap,File 0, [[@LINE-1]]:13 -> [[@LINE+7]]:10 = 0
i = 1; // CHECK-NEXT: File 0, [[@LINE-1]]:3 -> [[@LINE+1]]:10 = #6
break; // CHECK-NEXT: Branch,File 0, [[@LINE-2]]:3 -> [[@LINE-2]]:9 = #6, (#1 - #6)
// CHECK-NEXT: Gap,File 0, [[@LINE-1]]:11 -> [[@LINE+1]]:3 = 0
case 1: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+3]]:10 = #7
i = 2; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #7, (#1 - #7)
default: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:10 = (#7 + #8)
break; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:10 = #8, (#1 - #8)
} // CHECK-NEXT: Gap,File 0, [[@LINE]]:4 -> [[@LINE+2]]:3 = #5
// CHECK-NEXT: File 0, [[@LINE+1]]:3 -> [[@LINE+17]]:2 = #5
switch(i) { // CHECK-NEXT: Branch,File 0, [[@LINE]]:10 -> [[@LINE]]:11 = ((((#5 - #10) - #11) - #12) - #13), (((#10 + #11) + #12) + #13)
// CHECK-NEXT: Gap,File 0, [[@LINE-1]]:13 -> [[@LINE+8]]:11 = 0
case 1: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+7]]:11 = #10
// CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #10, (#5 - #10)
case 2: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+5]]:11 = (#10 + #11)
i = 11; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #11, (#5 - #11)
case 3: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+3]]:11 = ((#10 + #11) + #12)
// CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #12, (#5 - #12)
case 4: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:11 = (((#10 + #11) + #12) + #13)
i = 99; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #13, (#5 - #13)
}
foo(1); // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+3]]:11 = #9
bar(1);
baz();
return 0;
}
// CHECK: pr44011
int pr44011(int i) { // CHECK-NEXT: File 0, [[@LINE]]:20 -> {{.*}}:2 = #0
switch (i) { // CHECK-NEXT: Gap,File 0, [[@LINE]]:14 -> [[@LINE+6]]:13 = 0
case 1: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:13 = #2
return 0; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #2, (#0 - #2)
// CHECK-NEXT: Gap,File 0, [[@LINE-1]]:14 -> [[@LINE+1]]:3 = 0
default: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:13 = #3
return 1; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:10 = #3, (#0 - #3)
}
} // A region for counter #1 is missing due to the missing return.
// FIXME: End location for "case 1" shouldn't point at the end of the switch.
// CHECK: fallthrough
int fallthrough(int i) { // CHECK-NEXT: File 0, [[@LINE]]:24 -> [[@LINE+14]]:2 = #0
// CHECK-NEXT: Branch,File 0, [[@LINE+1]]:10 -> [[@LINE+1]]:11 = ((((#0 - #2) - #3) - #4) - #5), (((#2 + #3) + #4) + #5)
switch(i) { // CHECK-NEXT: Gap,File 0, [[@LINE]]:13 -> [[@LINE+10]]:10 = 0
case 1: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+9]]:10 = #2
i = 23; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #2, (#0 - #2)
case 2: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+2]]:10 = (#2 + #3)
i = 11; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #3, (#0 - #3)
break; // CHECK-NEXT: Gap,File 0, [[@LINE]]:11 -> [[@LINE+1]]:3 = 0
case 3: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+4]]:10 = #4
// CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #4, (#0 - #4)
case 4: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+2]]:10 = (#4 + #5)
i = 99; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #5, (#0 - #5)
break;
}
}
void abort(void) __attribute((noreturn));
// CHECK: noret
int noret(int x) { // CHECK-NEXT: File 0, [[@LINE]]:18 -> [[@LINE+11]]:2
switch (x) { // CHECK-NEXT: Gap,File 0, [[@LINE]]:14 -> [[@LINE+8]]:14 = 0
default: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:12
abort(); // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:10 = #2, (#0 - #2)
// CHECK-NEXT: Gap,File 0, [[@LINE-1]]:13 -> [[@LINE+1]]:3 = 0
case 1: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:13
return 5; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #3, (#0 - #3)
// CHECK-NEXT: Gap,File 0, [[@LINE-1]]:14 -> [[@LINE+1]]:3 = 0
case 2: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:14
return 10; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:3 -> [[@LINE-1]]:9 = #4, (#0 - #4)
}
}
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