197de0188SGui Andrade; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck %s 297de0188SGui Andrade; RUN: opt < %s -msan-check-access-address=0 -msan-track-origins=2 -S -passes=msan 2>&1 | FileCheck %s -check-prefixes=CHECK,CHECK-ORIGIN 397de0188SGui 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" 497de0188SGui Andradetarget triple = "x86_64-unknown-linux-gnu" 597de0188SGui Andrade 6*21c3df4bSMatt Arsenaultdeclare void @__atomic_load(i64, ptr, ptr, i32) 7*21c3df4bSMatt Arsenaultdeclare void @__atomic_store(i64, ptr, ptr, i32) 897de0188SGui Andrade 9*21c3df4bSMatt Arsenaultdefine i24 @odd_sized_load(ptr %ptr) sanitize_memory { 10*21c3df4bSMatt Arsenault; CHECK: @odd_sized_load(ptr {{.*}}[[PTR:%.+]]) 1197de0188SGui Andrade; CHECK: [[VAL_PTR:%.*]] = alloca i24, align 1 1297de0188SGui Andrade; CHECK-ORIGIN: @__msan_set_alloca_origin 13*21c3df4bSMatt Arsenault; CHECK: call void @__atomic_load(i64 3, ptr [[PTR]], ptr [[VAL_PTR]], i32 2) 1497de0188SGui Andrade 15*21c3df4bSMatt Arsenault; CHECK: ptrtoint ptr [[PTR]] 1697de0188SGui Andrade; CHECK: xor 1797de0188SGui Andrade; CHECK: [[SPTR_I8:%.*]] = inttoptr 1897de0188SGui Andrade; CHECK-ORIGIN: add 1997de0188SGui Andrade; CHECK-ORIGIN: and 2097de0188SGui Andrade; CHECK-ORIGIN: [[OPTR:%.*]] = inttoptr 2197de0188SGui Andrade 22*21c3df4bSMatt Arsenault; CHECK: ptrtoint ptr [[VAL_PTR]] 2397de0188SGui Andrade; CHECK: xor 2497de0188SGui Andrade; CHECK: [[VAL_SPTR_I8:%.*]] = inttoptr 2597de0188SGui Andrade; CHECK-ORIGIN: add 2697de0188SGui Andrade; CHECK-ORIGIN: and 2797de0188SGui Andrade; CHECK-ORIGIN: [[VAL_OPTR:%.*]] = inttoptr 2897de0188SGui Andrade 29*21c3df4bSMatt Arsenault; CHECK: call void @llvm.memcpy{{.*}}(ptr align 1 [[VAL_SPTR_I8]], ptr align 1 [[SPTR_I8]], i64 3 3097de0188SGui Andrade 31*21c3df4bSMatt Arsenault; CHECK-ORIGIN: [[ARG_ORIGIN:%.*]] = load i32, ptr [[OPTR]] 3297de0188SGui Andrade; CHECK-ORIGIN: [[VAL_ORIGIN:%.*]] = call i32 @__msan_chain_origin(i32 [[ARG_ORIGIN]]) 33*21c3df4bSMatt Arsenault; CHECK-ORIGIN: call void @__msan_set_origin(ptr [[VAL_PTR]], i64 3, i32 [[VAL_ORIGIN]]) 3497de0188SGui Andrade 35*21c3df4bSMatt Arsenault; CHECK: [[VAL:%.*]] = load i24, ptr [[VAL_PTR]] 3697de0188SGui Andrade; CHECK: ret i24 [[VAL]] 3797de0188SGui Andrade %val_ptr = alloca i24, align 1 38*21c3df4bSMatt Arsenault call void @__atomic_load(i64 3, ptr %ptr, ptr %val_ptr, i32 0) 39*21c3df4bSMatt Arsenault %val = load i24, ptr %val_ptr 4097de0188SGui Andrade ret i24 %val 4197de0188SGui Andrade} 4297de0188SGui Andrade 43*21c3df4bSMatt Arsenaultdefine void @odd_sized_store(ptr %ptr, i24 %val) sanitize_memory { 44*21c3df4bSMatt Arsenault; CHECK: @odd_sized_store(ptr {{.*}}[[PTR:%.+]], i24 {{.*}}[[VAL:%.+]]) 4597de0188SGui Andrade; CHECK: [[VAL_PTR:%.*]] = alloca i24, align 1 46*21c3df4bSMatt Arsenault; CHECK: store i24 [[VAL]], ptr [[VAL_PTR]] 4797de0188SGui Andrade 48*21c3df4bSMatt Arsenault; CHECK: ptrtoint ptr [[PTR]] 4997de0188SGui Andrade; CHECK: xor 5097de0188SGui Andrade; CHECK: [[SPTR_I8:%.*]] = inttoptr 51*21c3df4bSMatt Arsenault; CHECK: call void @llvm.memset{{.*}}(ptr align 1 [[SPTR_I8]], i8 0, i64 3 5297de0188SGui Andrade 53*21c3df4bSMatt Arsenault; CHECK: call void @__atomic_store(i64 3, ptr [[VAL_PTR]], ptr [[PTR]], i32 3) 5497de0188SGui Andrade; CHECK: ret void 5597de0188SGui Andrade %val_ptr = alloca i24, align 1 56*21c3df4bSMatt Arsenault store i24 %val, ptr %val_ptr 57*21c3df4bSMatt Arsenault call void @__atomic_store(i64 3, ptr %val_ptr, ptr %ptr, i32 0) 5897de0188SGui Andrade ret void 5997de0188SGui Andrade} 6097de0188SGui Andrade 61