; Test basic address sanitizer instrumentation. ; Generic code is covered by ../basic.ll, only the x86_64 specific code is ; tested here. ; ; RUN: opt < %s -hwasan -hwasan-recover=0 -S | FileCheck %s --check-prefixes=CHECK,ABORT ; RUN: opt < %s -hwasan -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(i8* %a) sanitize_hwaddress { ; CHECK-LABEL: @test_load8( ; CHECK: %[[A:[^ ]*]] = ptrtoint i8* %a to i64 ; ABORT: call void asm sideeffect "int3\0Anopl 64(%rax)", "{rdi}"(i64 %[[A]]) ; ABORT: unreachable ; RECOVER: call void asm sideeffect "int3\0Anopl 96(%rax)", "{rdi}"(i64 %[[A]]) ; RECOVER: br label ; CHECK: %[[A:[^ ]*]] = ptrtoint i8* %a to i64 ; CHECK: %[[UNTAGGED:[^ ]*]] = and i64 %[[A]], 72057594037927935 ; CHECK: %[[UNTAGGED_PTR:[^ ]*]] = inttoptr i64 %[[UNTAGGED]] to i8* ; CHECK: %[[G:[^ ]*]] = load i8, i8* %[[UNTAGGED_PTR]], align 4 ; CHECK: ret i8 %[[G]] entry: %b = load i8, i8* %a, align 4 ret i8 %b } define i40 @test_load40(i40* %a) sanitize_hwaddress { ; CHECK-LABEL: @test_load40( ; CHECK: %[[A:[^ ]*]] = ptrtoint i40* %a to i64 ; ABORT: call void @__hwasan_loadN(i64 %[[A]], i64 5) ; RECOVER: call void @__hwasan_loadN_noabort(i64 %[[A]], i64 5) ; CHECK: %[[A:[^ ]*]] = ptrtoint i40* %a to i64 ; CHECK: %[[UNTAGGED:[^ ]*]] = and i64 %[[A]], 72057594037927935 ; CHECK: %[[UNTAGGED_PTR:[^ ]*]] = inttoptr i64 %[[UNTAGGED]] to i40* ; CHECK: %[[B:[^ ]*]] = load i40, i40* %[[UNTAGGED_PTR]] ; CHECK: ret i40 %[[B]] entry: %b = load i40, i40* %a, align 4 ret i40 %b } define void @test_store8(i8* %a, i8 %b) sanitize_hwaddress { ; CHECK-LABEL: @test_store8( ; CHECK: %[[A:[^ ]*]] = ptrtoint i8* %a to i64 ; ABORT: call void asm sideeffect "int3\0Anopl 80(%rax)", "{rdi}"(i64 %[[A]]) ; ABORT: unreachable ; RECOVER: call void asm sideeffect "int3\0Anopl 112(%rax)", "{rdi}"(i64 %[[A]]) ; RECOVER: br label ; CHECK: %[[A:[^ ]*]] = ptrtoint i8* %a to i64 ; CHECK: %[[UNTAGGED:[^ ]*]] = and i64 %[[A]], 72057594037927935 ; CHECK: %[[UNTAGGED_PTR:[^ ]*]] = inttoptr i64 %[[UNTAGGED]] to i8* ; CHECK: store i8 %b, i8* %[[UNTAGGED_PTR]], align 4 ; CHECK: ret void entry: store i8 %b, i8* %a, align 4 ret void } define void @test_store40(i40* %a, i40 %b) sanitize_hwaddress { ; CHECK-LABEL: @test_store40( ; CHECK: %[[A:[^ ]*]] = ptrtoint i40* %a to i64 ; ABORT: call void @__hwasan_storeN(i64 %[[A]], i64 5) ; RECOVER: call void @__hwasan_storeN_noabort(i64 %[[A]], i64 5) ; CHECK: %[[A:[^ ]*]] = ptrtoint i40* %a to i64 ; CHECK: %[[UNTAGGED:[^ ]*]] = and i64 %[[A]], 72057594037927935 ; CHECK: %[[UNTAGGED_PTR:[^ ]*]] = inttoptr i64 %[[UNTAGGED]] to i40* ; CHECK: store i40 %b, i40* %[[UNTAGGED_PTR]] ; CHECK: ret void entry: store i40 %b, i40* %a, align 4 ret void } define void @test_store_unaligned(i64* %a, i64 %b) sanitize_hwaddress { ; CHECK-LABEL: @test_store_unaligned( ; CHECK: %[[A:[^ ]*]] = ptrtoint i64* %a to i64 ; ABORT: call void @__hwasan_storeN(i64 %[[A]], i64 8) ; RECOVER: call void @__hwasan_storeN_noabort(i64 %[[A]], i64 8) ; CHECK: %[[A:[^ ]*]] = ptrtoint i64* %a to i64 ; CHECK: %[[UNTAGGED:[^ ]*]] = and i64 %[[A]], 72057594037927935 ; CHECK: %[[UNTAGGED_PTR:[^ ]*]] = inttoptr i64 %[[UNTAGGED]] to i64* ; CHECK: store i64 %b, i64* %[[UNTAGGED_PTR]], align 4 ; CHECK: ret void entry: store i64 %b, i64* %a, align 4 ret void }