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1; RUN: opt < %s -msan-eager-checks -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck %s2; 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-ORIGIN3target 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"4target triple = "x86_64-unknown-linux-gnu"5 6declare noundef i8 @__sanitizer_unaligned_load8(ptr noundef)7declare void @__sanitizer_unaligned_store8(ptr noundef, i8 noundef)8 9define noundef i8 @unaligned_load(ptr noundef %ptr) sanitize_memory {10; CHECK: @unaligned_load(ptr {{.*}}[[PTR:%.+]])11; CHECK: store i64 0, {{.*}} @__msan_param_tls12; 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_tls15; CHECK-ORIGIN: load {{.*}} @__msan_retval_origin_tls16; CHECK: call void @__msan_warning_{{.*}}noreturn17; CHECK: ret i8 [[VAL]]18 ret i8 %val19}20 21define 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_tls24; CHECK: store i8 0, {{.*}} @__msan_param_tls25; CHECK: call void @__sanitizer_unaligned_store8(ptr noundef [[PTR]], i8 noundef [[VAL]])26 call void @__sanitizer_unaligned_store8(ptr noundef %ptr, i8 noundef %val)27; CHECK: ret void28 ret void29}30