| // RUN: %clang_cc1 -fsanitize=local-bounds -emit-llvm -triple x86_64-apple-darwin10 %s -o - | FileCheck %s |
| // RUN: %clang_cc1 -fsanitize=array-bounds -O -fsanitize-undefined-trap-on-error -emit-llvm -triple x86_64-apple-darwin10 -DNO_DYNAMIC %s -o - | FileCheck %s |
| |
| // CHECK-LABEL: @f |
| double f(int b, int i) { |
| double a[b]; |
| // CHECK: call {{.*}} @llvm.trap |
| return a[i]; |
| } |
| |
| // CHECK-LABEL: @f2 |
| void f2() { |
| // everything is constant; no trap possible |
| // CHECK-NOT: call {{.*}} @llvm.trap |
| int a[2]; |
| a[1] = 42; |
| |
| #ifndef NO_DYNAMIC |
| short *b = malloc(64); |
| b[5] = *a + a[1] + 2; |
| #endif |
| } |
| |
| // CHECK-LABEL: @f3 |
| void f3() { |
| int a[1]; |
| // CHECK: call {{.*}} @llvm.trap |
| a[2] = 1; |
| } |
