| ; RUN: opt < %s -msan-eager-checks -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck %s |
| ; 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 |
| ; RUN: opt < %s -msan-eager-checks -msan -msan-check-access-address=0 -S | FileCheck %s |
| 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" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| declare noundef i8 @__sanitizer_unaligned_load8(i8* noundef) |
| declare void @__sanitizer_unaligned_store8(i8* noundef, i8 noundef) |
| |
| define noundef i8 @unaligned_load(i8* noundef %ptr) sanitize_memory { |
| ; CHECK: @unaligned_load(i8* {{.*}}[[PTR:%.+]]) |
| ; CHECK: store i64 0, {{.*}} @__msan_param_tls |
| ; CHECK: [[VAL:%.*]] = call noundef i8 @__sanitizer_unaligned_load8(i8* noundef [[PTR]]) |
| %val = call noundef i8 @__sanitizer_unaligned_load8(i8* noundef %ptr) |
| ; CHECK: load {{.*}} @__msan_retval_tls |
| ; CHECK-ORIGIN: load {{.*}} @__msan_retval_origin_tls |
| ; CHECK: call void @__msan_warning_{{.*}}noreturn |
| ; CHECK: ret i8 [[VAL]] |
| ret i8 %val |
| } |
| |
| define void @unaligned_store(i8* noundef %ptr, i8 noundef %val) sanitize_memory { |
| ; CHECK: @unaligned_store(i8* {{.*}}[[PTR:%.+]], i8 {{.*}}[[VAL:%.+]]) |
| ; CHECK: store i64 0, {{.*}} @__msan_param_tls |
| ; CHECK: store i8 0, {{.*}} @__msan_param_tls |
| ; CHECK: call void @__sanitizer_unaligned_store8(i8* noundef [[PTR]], i8 noundef [[VAL]]) |
| call void @__sanitizer_unaligned_store8(i8* noundef %ptr, i8 noundef %val) |
| ; CHECK: ret void |
| ret void |
| } |