1; Test KHWASan instrumentation. 2; Generic code is covered by ../kernel.ll, only the x86_64 specific code is 3; tested here. 4; 5; RUN: opt < %s -passes=hwasan -hwasan-kernel=1 -S | FileCheck %s --allow-empty --check-prefixes=INIT 6; RUN: opt < %s -passes=hwasan -hwasan-kernel=1 -S | FileCheck %s 7; RUN: opt < %s -passes=hwasan -hwasan-kernel=1 -hwasan-mapping-offset=12345678 -S | FileCheck %s 8; RUN: opt < %s -passes=hwasan -hwasan-kernel=1 -hwasan-recover=0 -S | FileCheck %s --check-prefixes=CHECK,ABORT 9; RUN: opt < %s -passes=hwasan -hwasan-kernel=1 -hwasan-recover=1 -S | FileCheck %s --check-prefixes=CHECK,RECOVER 10 11target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" 12target triple = "x86_64-unknown-linux-gnu" 13 14define i8 @test_load(ptr %a) sanitize_hwaddress { 15; CHECK-LABEL: @test_load( 16; CHECK: %[[A:[^ ]*]] = ptrtoint ptr %a to i64 17 18; ABORT: call void @__hwasan_load1(i64 %[[A]]) 19; RECOVER: call void @__hwasan_load1_noabort(i64 %[[A]]) 20 21; CHECK: %[[G:[^ ]*]] = load i8, ptr %a, align 4 22; CHECK: ret i8 %[[G]] 23 24entry: 25 %b = load i8, ptr %a, align 4 26 ret i8 %b 27} 28 29; INIT-NOT: call void @__hwasan_init 30