1; RUN: opt < %s -asan -asan-module -S | FileCheck %s
2target 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"
3target triple = "x86_64-unknown-linux-gnu"
4define i32 @read_4_bytes(i32* %a) sanitize_address {
5entry:
6  %tmp1 = load i32, i32* %a, align 4
7  ret i32 %tmp1
8}
9; CHECK-LABEL: @read_4_bytes
10; CHECK-NOT: ret
11; CHECK: lshr {{.*}} 3
12; Check for ASAN's Offset for 64-bit (7fff8000)
13; CHECK-NEXT: add{{.*}}2147450880
14; CHECK: ret
15
16define void @example_atomicrmw(i64* %ptr) nounwind uwtable sanitize_address {
17entry:
18  %0 = atomicrmw add i64* %ptr, i64 1 seq_cst
19  ret void
20}
21
22; CHECK-LABEL: @example_atomicrmw
23; CHECK: lshr {{.*}} 3
24; CHECK: __asan_report_store8
25; CHECK-NOT: __asan_report
26; CHECK: atomicrmw
27; CHECK: ret
28
29define void @example_cmpxchg(i64* %ptr, i64 %compare_to, i64 %new_value) nounwind uwtable sanitize_address {
30entry:
31  %0 = cmpxchg i64* %ptr, i64 %compare_to, i64 %new_value seq_cst seq_cst
32  ret void
33}
34
35; CHECK-LABEL: @example_cmpxchg
36; CHECK: lshr {{.*}} 3
37; CHECK: __asan_report_store8
38; CHECK-NOT: __asan_report
39; CHECK: cmpxchg
40; CHECK: ret
41