| ; Test that AddressSanitizer instruments "(*a)++" only once. |
| ; RUN: opt < %s -asan -asan-module -S -asan-opt=1 | FileCheck %s -check-prefix=OPT1 |
| ; RUN: opt < %s -asan -asan-module -S -asan-opt=0 | FileCheck %s -check-prefix=OPT0 |
| |
| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" |
| target triple = "x86_64-unknown-linux-gnu" |
| define void @IncrementMe(i32* %a) sanitize_address { |
| entry: |
| %tmp1 = load i32, i32* %a, align 4 |
| %tmp2 = add i32 %tmp1, 1 |
| store i32 %tmp2, i32* %a, align 4 |
| ret void |
| } |
| |
| ; With optimizations enabled we should see only one call to __asan_report_* |
| ; OPT1: IncrementMe |
| ; OPT1: __asan_report_ |
| ; OPT1-NOT: __asan_report_ |
| ; OPT1: ret void |
| |
| ; Without optimizations we should see two calls to __asan_report_* |
| ; OPT0: IncrementMe |
| ; OPT0: __asan_report_ |
| ; OPT0: __asan_report_ |
| ; OPT0: ret void |
