1 ; Test that AddressSanitizer instruments "(*a)++" only once.
2 ; RUN: opt < %s -passes=asan -S -asan-opt=1 | FileCheck %s -check-prefix=OPT1
3 ; RUN: opt < %s -passes=asan -S -asan-opt=0 | FileCheck %s -check-prefix=OPT0
5 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"
6 target triple = "x86_64-unknown-linux-gnu"
7 define void @IncrementMe(ptr %a) sanitize_address {
9 %tmp1 = load i32, ptr %a, align 4
10 %tmp2 = add i32 %tmp1, 1
11 store i32 %tmp2, ptr %a, align 4
15 ; With optimizations enabled we should see only one call to __asan_report_*
17 ; OPT1: __asan_report_
18 ; OPT1-NOT: __asan_report_
21 ; Without optimizations we should see two calls to __asan_report_*
23 ; OPT0: __asan_report_
24 ; OPT0: __asan_report_