mem-intrinsics.ll
1.62 KB
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; RUN: opt -S -hwasan %s | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
; Function Attrs: noinline nounwind optnone uwtable
define dso_local i32 @main() sanitize_hwaddress {
entry:
%retval = alloca i32, align 4
%Q = alloca [10 x i8], align 1
%P = alloca [10 x i8], align 1
store i32 0, i32* %retval, align 4
%arraydecay = getelementptr inbounds [10 x i8], [10 x i8]* %Q, i32 0, i32 0
call void @llvm.memset.p0i8.i64(i8* align 1 %arraydecay, i8 0, i64 10, i1 false)
; CHECK: call i8* @__hwasan_memset
%arraydecay1 = getelementptr inbounds [10 x i8], [10 x i8]* %Q, i32 0, i32 0
%arraydecay2 = getelementptr inbounds [10 x i8], [10 x i8]* %Q, i32 0, i32 0
%add.ptr = getelementptr inbounds i8, i8* %arraydecay2, i64 5
call void @llvm.memmove.p0i8.p0i8.i64(i8* align 1 %arraydecay1, i8* align 1 %add.ptr, i64 5, i1 false)
; CHECK: call i8* @__hwasan_memmove
%arraydecay3 = getelementptr inbounds [10 x i8], [10 x i8]* %P, i32 0, i32 0
%arraydecay4 = getelementptr inbounds [10 x i8], [10 x i8]* %Q, i32 0, i32 0
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 1 %arraydecay3, i8* align 1 %arraydecay4, i64 10, i1 false)
; CHECK: call i8* @__hwasan_memcpy
ret i32 0
}
; Function Attrs: argmemonly nounwind
declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i1) #1
; Function Attrs: argmemonly nounwind
declare void @llvm.memmove.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i1) #1
; Function Attrs: argmemonly nounwind
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i1) #1