1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2 2; Test basic address sanitizer instrumentation. 3; 4; RUN: opt < %s -passes=hwasan -S | FileCheck %s 5 6target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" 7target triple = "x86_64-unknown-linux-gnu" 8 9define void @atomicrmw(ptr %ptr) sanitize_hwaddress { 10; CHECK-LABEL: define void @atomicrmw 11; CHECK-SAME: (ptr [[PTR:%.*]]) #[[ATTR0:[0-9]+]] { 12; CHECK-NEXT: entry: 13; CHECK-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr null) 14; CHECK-NEXT: [[TMP0:%.*]] = ptrtoint ptr [[PTR]] to i64 15; CHECK-NEXT: call void @__hwasan_store8(i64 [[TMP0]]) 16; CHECK-NEXT: [[TMP1:%.*]] = atomicrmw add ptr [[PTR]], i64 1 seq_cst, align 8 17; CHECK-NEXT: ret void 18; 19 20 21 22entry: 23 %0 = atomicrmw add ptr %ptr, i64 1 seq_cst 24 ret void 25} 26 27define void @cmpxchg(ptr %ptr, i64 %compare_to, i64 %new_value) sanitize_hwaddress { 28; CHECK-LABEL: define void @cmpxchg 29; CHECK-SAME: (ptr [[PTR:%.*]], i64 [[COMPARE_TO:%.*]], i64 [[NEW_VALUE:%.*]]) #[[ATTR0]] { 30; CHECK-NEXT: entry: 31; CHECK-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr null) 32; CHECK-NEXT: [[TMP0:%.*]] = ptrtoint ptr [[PTR]] to i64 33; CHECK-NEXT: call void @__hwasan_store8(i64 [[TMP0]]) 34; CHECK-NEXT: [[TMP1:%.*]] = cmpxchg ptr [[PTR]], i64 [[COMPARE_TO]], i64 [[NEW_VALUE]] seq_cst seq_cst, align 8 35; CHECK-NEXT: ret void 36; 37 38 39 40entry: 41 %0 = cmpxchg ptr %ptr, i64 %compare_to, i64 %new_value seq_cst seq_cst 42 ret void 43} 44