File: unreachable.c

package info (click to toggle)
llvm-toolchain-6.0 1%3A6.0.1-10
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 598,080 kB
  • sloc: cpp: 3,046,253; ansic: 595,057; asm: 271,965; python: 128,926; objc: 106,554; sh: 21,906; lisp: 10,191; pascal: 6,094; ml: 5,544; perl: 5,265; makefile: 2,227; cs: 2,027; xml: 686; php: 212; csh: 117
file content (37 lines) | stat: -rw-r--r-- 473 bytes parent folder | download | duplicates (24) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
 
// RUN: %clang_cc1 -emit-llvm -o - %s | FileCheck %s
// CHECK-NOT: @unreachable

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;
}