| // RUN: %clang_cc1 -analyze -analyzer-store=region -analyzer-constraints=range -fblocks -analyzer-opt-analyze-nested-blocks -analyzer-checker=core,experimental.deadcode.IdempotentOperations -analyzer-max-loop 3 -verify %s |
| // RUN: %clang_cc1 -analyze -analyzer-store=region -analyzer-constraints=range -fblocks -analyzer-opt-analyze-nested-blocks -analyzer-checker=core,experimental.deadcode.IdempotentOperations -analyzer-max-loop 4 -verify %s |
| // RUN: %clang_cc1 -analyze -analyzer-store=region -analyzer-constraints=range -fblocks -analyzer-opt-analyze-nested-blocks -analyzer-checker=core,experimental.deadcode.IdempotentOperations %s -verify |
| |
| void always_warning() { int *p = 0; *p = 0xDEADBEEF; } // expected-warning{{Dereference of null pointer (loaded from variable 'p')}} |
| |
| // This test case previously caused a bogus idempotent operation warning |
| // due to us not properly culling warnings due to incomplete analysis of loops. |
| int pr8403() |
| { |
| int i; |
| for(i=0; i<10; i++) |
| { |
| int j; |
| for(j=0; j+1<i; j++) |
| { |
| } |
| } |
| return 0; |
| } |
| |
