File: warn-unreachable-ms.c

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-15
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 1,999,400 kB
  • sloc: cpp: 6,951,711; ansic: 1,486,157; asm: 913,598; python: 232,059; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,079; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,403; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (55 lines) | stat: -rw-r--r-- 935 bytes parent folder | download | duplicates (18)
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
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
// RUN: %clang_cc1 %s -triple=i686-pc-win32 -fsyntax-only -verify -fms-extensions -Wunreachable-code

void f(void);

void g1(void) {
  __try {
    f();
    __leave;
    f();  // expected-warning{{will never be executed}}
  } __except(1) {
    f();
  }

  // Completely empty.
  __try {
  } __except(1) {
  }

  __try {
    f();
    return;
  } __except(1) {  // Filter expression should not be marked as unreachable.
    // Empty __except body.
  }
}

void g2(void) {
  __try {
    // Nested __try.
    __try {
      f();
      __leave;
      f(); // expected-warning{{will never be executed}}
    } __except(2) {
    }
    f();
    __leave;
    f(); // expected-warning{{will never be executed}}
  } __except(1) {
    f();
  }
}

void g3(void) {
  __try {
    __try {
      f();
    } __except (1) {
      __leave; // should exit outer try
    }
    __leave;
    f(); // expected-warning{{never be executed}}
  } __except (1) {
  }
}