1; RUN: opt -S -hwasan %s | FileCheck %s 2 3target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 4target triple = "x86_64-unknown-linux-gnu" 5 6; Function Attrs: noinline nounwind optnone uwtable 7define dso_local i32 @main() sanitize_hwaddress { 8entry: 9 %retval = alloca i32, align 4 10 %Q = alloca [10 x i8], align 1 11 %P = alloca [10 x i8], align 1 12 store i32 0, i32* %retval, align 4 13 %arraydecay = getelementptr inbounds [10 x i8], [10 x i8]* %Q, i32 0, i32 0 14 15 call void @llvm.memset.p0i8.i64(i8* align 1 %arraydecay, i8 0, i64 10, i1 false) 16; CHECK: call i8* @__hwasan_memset 17 18 %arraydecay1 = getelementptr inbounds [10 x i8], [10 x i8]* %Q, i32 0, i32 0 19 %arraydecay2 = getelementptr inbounds [10 x i8], [10 x i8]* %Q, i32 0, i32 0 20 %add.ptr = getelementptr inbounds i8, i8* %arraydecay2, i64 5 21 22 call void @llvm.memmove.p0i8.p0i8.i64(i8* align 1 %arraydecay1, i8* align 1 %add.ptr, i64 5, i1 false) 23; CHECK: call i8* @__hwasan_memmove 24 25 %arraydecay3 = getelementptr inbounds [10 x i8], [10 x i8]* %P, i32 0, i32 0 26 %arraydecay4 = getelementptr inbounds [10 x i8], [10 x i8]* %Q, i32 0, i32 0 27 28 call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 1 %arraydecay3, i8* align 1 %arraydecay4, i64 10, i1 false) 29; CHECK: call i8* @__hwasan_memcpy 30 ret i32 0 31} 32 33; Function Attrs: argmemonly nounwind 34declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i1) #1 35 36; Function Attrs: argmemonly nounwind 37declare void @llvm.memmove.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i1) #1 38 39; Function Attrs: argmemonly nounwind 40declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i1) #1 41