| Nuno Lopes | 08a9ae9 | 2012-05-09 15:53:34 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -fbounds-checking=4 -emit-llvm -triple x86_64-apple-darwin10 < %s | FileCheck %s |
| 2 | |
| 3 | // CHECK: @f |
| 4 | double f(int b, int i) { |
| 5 | double a[b]; |
| Nuno Lopes | def1849 | 2012-05-22 17:19:45 +0000 | [diff] [blame] | 6 | // CHECK: trap |
| Nuno Lopes | 08a9ae9 | 2012-05-09 15:53:34 +0000 | [diff] [blame] | 7 | return a[i]; |
| Nuno Lopes | 08a9ae9 | 2012-05-09 15:53:34 +0000 | [diff] [blame] | 8 | } |
| 9 | |
| 10 | // CHECK: @f2 |
| 11 | void f2() { |
| Nuno Lopes | def1849 | 2012-05-22 17:19:45 +0000 | [diff] [blame] | 12 | // everything is constant; no trap possible |
| 13 | // CHECK-NOT: trap |
| Nuno Lopes | 08a9ae9 | 2012-05-09 15:53:34 +0000 | [diff] [blame] | 14 | int a[2]; |
| Nuno Lopes | 08a9ae9 | 2012-05-09 15:53:34 +0000 | [diff] [blame] | 15 | a[1] = 42; |
| 16 | |
| 17 | short *b = malloc(64); |
| Nuno Lopes | def1849 | 2012-05-22 17:19:45 +0000 | [diff] [blame] | 18 | b[5] = *a + a[1] + 2; |
| 19 | } |
| 20 | |
| 21 | // CHECK: @f3 |
| 22 | void f3() { |
| 23 | int a[1]; |
| 24 | // CHECK: trap |
| 25 | a[2] = 1; |
| Nuno Lopes | 08a9ae9 | 2012-05-09 15:53:34 +0000 | [diff] [blame] | 26 | } |