xref: /llvm-project/llvm/test/Transforms/SafeStack/X86/memintrinsic-oob-read.ll (revision 3bd517205799a152689434ceddf9493765f1e883) 
1; RUN: opt -safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s
2; RUN: opt -safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s
3; RUN: opt -passes=safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s
4; RUN: opt -passes=safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s
5
6target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
7target triple = "x86_64-unknown-linux-gnu"
8
9declare void @llvm.memcpy.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i1)
10
11; CHECK: __safestack_unsafe_stack_ptr
12define void @oob_read(ptr %ptr) safestack {
13  %1 = alloca i8
14  call void @llvm.memcpy.p0.p0.i64(ptr align 1 %ptr, ptr align 1 %1, i64 4, i1 false)
15  ret void
16}
17