| ; Test basic address sanitizer instrumentation. |
| ; |
| ; RUN: opt < %s -passes=hwasan -hwasan-instrument-with-calls -S | FileCheck %s --check-prefixes=CHECK,ABORT |
| ; RUN: opt < %s -passes=hwasan -hwasan-instrument-with-calls -hwasan-recover=1 -S | FileCheck %s --check-prefixes=CHECK,RECOVER |
| |
| target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| define i8 @test_load8(ptr %a) sanitize_hwaddress { |
| ; CHECK-LABEL: @test_load8( |
| ; CHECK: %[[A:[^ ]*]] = ptrtoint ptr %a to i64 |
| |
| ; ABORT: call void @__hwasan_load1(i64 %[[A]]) |
| ; RECOVER: call void @__hwasan_load1_noabort(i64 %[[A]]) |
| |
| ; CHECK: %[[B:[^ ]*]] = load i8, ptr %a |
| ; CHECK: ret i8 %[[B]] |
| |
| entry: |
| %b = load i8, ptr %a, align 4 |
| ret i8 %b |
| } |
| |
| define i40 @test_load40(ptr %a) sanitize_hwaddress { |
| ; CHECK-LABEL: @test_load40( |
| ; CHECK: %[[A:[^ ]*]] = ptrtoint ptr %a to i64 |
| |
| ; ABORT: call void @__hwasan_loadN(i64 %[[A]], i64 5) |
| ; RECOVER: call void @__hwasan_loadN_noabort(i64 %[[A]], i64 5) |
| |
| ; CHECK: %[[B:[^ ]*]] = load i40, ptr %a |
| ; CHECK: ret i40 %[[B]] |
| |
| entry: |
| %b = load i40, ptr %a, align 4 |
| ret i40 %b |
| } |
| |
| define void @test_store8(ptr %a, i8 %b) sanitize_hwaddress { |
| ; CHECK-LABEL: @test_store8( |
| ; CHECK: %[[A:[^ ]*]] = ptrtoint ptr %a to i64 |
| |
| ; ABORT: call void @__hwasan_store1(i64 %[[A]]) |
| ; RECOVER: call void @__hwasan_store1_noabort(i64 %[[A]]) |
| |
| ; CHECK: store i8 %b, ptr %a |
| ; CHECK: ret void |
| |
| entry: |
| store i8 %b, ptr %a, align 4 |
| ret void |
| } |
| |
| define void @test_store40(ptr %a, i40 %b) sanitize_hwaddress { |
| ; CHECK-LABEL: @test_store40( |
| ; CHECK: %[[A:[^ ]*]] = ptrtoint ptr %a to i64 |
| |
| ; ABORT: call void @__hwasan_storeN(i64 %[[A]], i64 5) |
| ; RECOVER: call void @__hwasan_storeN_noabort(i64 %[[A]], i64 5) |
| |
| ; CHECK: store i40 %b, ptr %a |
| ; CHECK: ret void |
| |
| entry: |
| store i40 %b, ptr %a, align 4 |
| ret void |
| } |