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