; 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 }