1 | // RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.DumpTraversal %s | FileCheck %s |
2 | // RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.DumpTraversal -DUSE_EXPR %s | FileCheck %s |
3 | |
4 | int a(); |
5 | int b(); |
6 | int c(); |
7 | |
8 | #ifdef USE_EXPR |
9 | #define CHECK(x) ((x) & 1) |
10 | #else |
11 | #define CHECK(x) (x) |
12 | #endif |
13 | |
14 | // CHECK: --BEGIN FUNCTION-- |
15 | void testRemoveDeadBindings() { |
16 | int i = a(); |
17 | if (CHECK(i)) |
18 | a(); |
19 | else |
20 | b(); |
21 | |
22 | // At this point the symbol bound to 'i' is dead. |
23 | // The effects of a() and b() are identical (they both invalidate globals). |
24 | // We should unify the two paths here and only get one end-of-path node. |
25 | c(); |
26 | } |
27 | |
28 | // CHECK: --END FUNCTION-- |
29 | // CHECK-NOT: --END FUNCTION-- |
30 | |