38 lines
473 B
C
38 lines
473 B
C
|
// RUN: %clang_cc1 -emit-llvm -o %t %s
|
||
|
|
// RUN: grep '@unreachable' %t | count 0
|
||
|
|
|
||
|
|
extern void abort() __attribute__((noreturn));
|
||
|
|
extern int unreachable();
|
||
|
|
|
||
|
|
int f0() {
|
||
|
|
return 0;
|
||
|
|
unreachable();
|
||
|
|
}
|
||
|
|
|
||
|
|
int f1(int i) {
|
||
|
|
goto L0;
|
||
|
|
int a = unreachable();
|
||
|
|
L0:
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int f2(int i) {
|
||
|
|
goto L0;
|
||
|
|
unreachable();
|
||
|
|
int a;
|
||
|
|
unreachable();
|
||
|
|
L0:
|
||
|
|
a = i + 1;
|
||
|
|
return a;
|
||
|
|
}
|
||
|
|
|
||
|
|
int f3(int i) {
|
||
|
|
if (i) {
|
||
|
|
return 0;
|
||
|
|
} else {
|
||
|
|
abort();
|
||
|
|
}
|
||
|
|
unreachable();
|
||
|
|
return 3;
|
||
|
|
}
|