1; Make sure memaccess checks preceed the following reads. 2; 3; RUN: opt < %s -disable-output 2>&1 -passes='hwasan,print<memoryssa>' -hwasan-use-stack-safety=0 -mtriple aarch64-linux-android30 | FileCheck %s 4 5target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" 6target triple = "aarch64--linux-android10000" 7 8declare void @use32(ptr) 9 10define i32 @test_alloca() sanitize_hwaddress { 11entry: 12 %x = alloca i32, align 4 13 ; CHECK: call void @use32 14 call void @use32(ptr nonnull %x) 15 ; CHECK: [[A:[0-9]+]] = MemoryDef({{[0-9]+}}) 16 ; CHECK-NEXT: call void @llvm.hwasan.check.memaccess.shortgranules 17 ; CHECK: MemoryUse([[A]]) 18 ; CHECK-NEXT: load i32, ptr %x.hwasan 19 %y = load i32, ptr %x 20 ; CHECK: {{[0-9]+}} = MemoryDef([[A]]) 21 ; CHECK-NEXT: call void @llvm.memset.p0.i64 22 ret i32 %y 23} 24