13ebd1ba6SGui Andrade; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck %s 2c042aff8SMircea Trofin; RUN: opt < %s -msan-check-access-address=0 -msan-track-origins=2 -S -passes=msan 2>&1 | FileCheck %s 33ebd1ba6SGui Andradetarget 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" 43ebd1ba6SGui Andradetarget triple = "x86_64-unknown-linux-gnu" 53ebd1ba6SGui Andrade 6*21c3df4bSMatt Arsenaultdefine i32 @nofreeze(ptr %ptr) sanitize_memory { 73ebd1ba6SGui Andrade ; CHECK-LABEL: @nofreeze 8*21c3df4bSMatt Arsenault %val = load i32, ptr %ptr 93ebd1ba6SGui Andrade ; CHECK: [[SHADOW_PTR:%.*]] = inttoptr 10*21c3df4bSMatt Arsenault ; CHECK: [[SHADOW:%.*]] = load i32, ptr [[SHADOW_PTR]] 113ebd1ba6SGui Andrade ; CHECK: store i32 [[SHADOW]], {{.*}} @__msan_retval_tls 123ebd1ba6SGui Andrade ret i32 %val 133ebd1ba6SGui Andrade} 143ebd1ba6SGui Andrade 15*21c3df4bSMatt Arsenaultdefine i32 @freeze_inst(ptr %ptr) sanitize_memory { 163ebd1ba6SGui Andrade ; CHECK-LABEL: @freeze_inst 17*21c3df4bSMatt Arsenault %val = load i32, ptr %ptr 183ebd1ba6SGui Andrade %freeze_val = freeze i32 %val 193ebd1ba6SGui Andrade ; CHECK-NOT: __msan_warning 203ebd1ba6SGui Andrade ; CHECK: store i32 0, {{.*}} @__msan_retval_tls 213ebd1ba6SGui Andrade ret i32 %freeze_val 223ebd1ba6SGui Andrade} 23