; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck \ ; RUN: %s ; RUN: opt < %s -msan-check-access-address=0 -msan-track-origins=1 -S \ ; RUN: -passes=msan 2>&1 | FileCheck -check-prefix=CHECK \ ; RUN: -check-prefix=CHECK-ORIGINS %s ; REQUIRES: x86-registered-target 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" ; Store intrinsic. define void @StoreIntrinsic(i8* %p, <4 x float> %x) nounwind uwtable sanitize_memory { call void @llvm.x86.sse.storeu.ps(i8* %p, <4 x float> %x) ret void } declare void @llvm.x86.sse.storeu.ps(i8*, <4 x float>) nounwind ; CHECK-LABEL: @StoreIntrinsic ; CHECK-NOT: br ; CHECK-NOT: = or ; CHECK: store <4 x i32> {{.*}} align 1 ; CHECK: store <4 x float> %{{.*}}, <4 x float>* %{{.*}}, align 1{{$}} ; CHECK: ret void ; Load intrinsic. define <16 x i8> @LoadIntrinsic(i8* %p) nounwind uwtable sanitize_memory { %call = call <16 x i8> @llvm.x86.sse3.ldu.dq(i8* %p) ret <16 x i8> %call } declare <16 x i8> @llvm.x86.sse3.ldu.dq(i8* %p) nounwind ; CHECK-LABEL: @LoadIntrinsic ; CHECK: load <16 x i8>, <16 x i8>* {{.*}} align 1 ; CHECK-ORIGINS: [[ORIGIN:%[01-9a-z]+]] = load i32, i32* {{.*}} ; CHECK-NOT: br ; CHECK-NOT: = or ; CHECK: call <16 x i8> @llvm.x86.sse3.ldu.dq ; CHECK: store <16 x i8> {{.*}} @__msan_retval_tls ; CHECK-ORIGINS: store i32 {{.*}}[[ORIGIN]], i32* @__msan_retval_origin_tls ; CHECK: ret <16 x i8> ; Simple NoMem intrinsic ; Check that shadow is OR'ed, and origin is Select'ed ; And no shadow checks! define <8 x i16> @Pmulhuw128(<8 x i16> %a, <8 x i16> %b) nounwind uwtable sanitize_memory { %call = call <8 x i16> @llvm.x86.sse2.pmulhu.w(<8 x i16> %a, <8 x i16> %b) ret <8 x i16> %call } declare <8 x i16> @llvm.x86.sse2.pmulhu.w(<8 x i16> %a, <8 x i16> %b) nounwind ; CHECK-LABEL: @Pmulhuw128 ; CHECK-NEXT: load <8 x i16>, <8 x i16>* {{.*}} @__msan_param_tls ; CHECK-ORIGINS: load i32, i32* {{.*}} @__msan_param_origin_tls ; CHECK-NEXT: load <8 x i16>, <8 x i16>* {{.*}} @__msan_param_tls ; CHECK-ORIGINS: load i32, i32* {{.*}} @__msan_param_origin_tls ; CHECK-NEXT: call void @llvm.donothing ; CHECK-NEXT: = or <8 x i16> ; CHECK-ORIGINS: = bitcast <8 x i16> {{.*}} to i128 ; CHECK-ORIGINS-NEXT: = icmp ne i128 {{.*}}, 0 ; CHECK-ORIGINS-NEXT: = select i1 {{.*}}, i32 {{.*}}, i32 ; CHECK-NEXT: call <8 x i16> @llvm.x86.sse2.pmulhu.w ; CHECK-NEXT: store <8 x i16> {{.*}} @__msan_retval_tls ; CHECK-ORIGINS: store i32 {{.*}} @__msan_retval_origin_tls ; CHECK-NEXT: ret <8 x i16>