| ; Make sure memaccess checks preceed the following reads. |
| ; |
| ; RUN: opt < %s -S -enable-new-pm=0 -hwasan -hwasan-use-stack-safety=0 -basic-aa -memdep -print-memdeps -analyze -mtriple aarch64-linux-android30 | FileCheck %s |
| |
| target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" |
| target triple = "aarch64--linux-android10000" |
| |
| declare void @use32(i32*) |
| |
| define i32 @test_alloca() sanitize_hwaddress { |
| entry: |
| %x = alloca i32, align 4 |
| call void @use32(i32* nonnull %x) |
| ; CHECK: Clobber from: call void @llvm.hwasan.check.memaccess.shortgranule |
| ; CHECK-NEXT: load i32, i32* %x.hwasan, align 4 |
| %y = load i32, i32* %x |
| ; CHECK: Clobber from: %y = load i32, i32* %x.hwasan, align 4 |
| ; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 1 {{.*}}, i8 0, i64 1, i1 false) |
| ret i32 %y |
| } |
