1 ; RUN: opt < %s -msan-eager-checks -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck %s
2 ; RUN: opt < %s -msan-eager-checks -msan-check-access-address=0 -msan-track-origins=2 -S -passes=msan 2>&1 | FileCheck %s -check-prefixes=CHECK,CHECK-ORIGIN
3 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-S128"
4 target triple = "x86_64-unknown-linux-gnu"
6 declare noundef i8 @__sanitizer_unaligned_load8(ptr noundef)
7 declare void @__sanitizer_unaligned_store8(ptr noundef, i8 noundef)
9 define noundef i8 @unaligned_load(ptr noundef %ptr) sanitize_memory {
10 ; CHECK: @unaligned_load(ptr {{.*}}[[PTR:%.+]])
11 ; CHECK: store i64 0, {{.*}} @__msan_param_tls
12 ; CHECK: [[VAL:%.*]] = call noundef i8 @__sanitizer_unaligned_load8(ptr noundef [[PTR]])
13 %val = call noundef i8 @__sanitizer_unaligned_load8(ptr noundef %ptr)
14 ; CHECK: load {{.*}} @__msan_retval_tls
15 ; CHECK-ORIGIN: load {{.*}} @__msan_retval_origin_tls
16 ; CHECK: call void @__msan_warning_{{.*}}noreturn
17 ; CHECK: ret i8 [[VAL]]
21 define void @unaligned_store(ptr noundef %ptr, i8 noundef %val) sanitize_memory {
22 ; CHECK: @unaligned_store(ptr {{.*}}[[PTR:%.+]], i8 {{.*}}[[VAL:%.+]])
23 ; CHECK: store i64 0, {{.*}} @__msan_param_tls
24 ; CHECK: store i8 0, {{.*}} @__msan_param_tls
25 ; CHECK: call void @__sanitizer_unaligned_store8(ptr noundef [[PTR]], i8 noundef [[VAL]])
26 call void @__sanitizer_unaligned_store8(ptr noundef %ptr, i8 noundef %val)