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 -hwasan-inline-fast-path-checks=0 -S | FileCheck %s 5 6target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" 7target triple = "riscv64-unknown-linux" 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: [[TMP0:%.*]] = load i64, ptr @__hwasan_tls, align 8 14; CHECK-NEXT: [[TMP1:%.*]] = and i64 [[TMP0]], 72057594037927935 15; CHECK-NEXT: [[TMP2:%.*]] = or i64 [[TMP1]], 4294967295 16; CHECK-NEXT: [[HWASAN_SHADOW:%.*]] = add i64 [[TMP2]], 1 17; CHECK-NEXT: [[TMP3:%.*]] = inttoptr i64 [[HWASAN_SHADOW]] to ptr 18; CHECK-NEXT: call void @llvm.hwasan.check.memaccess.shortgranules(ptr [[TMP3]], ptr [[PTR]], i32 19) 19; CHECK-NEXT: [[TMP4:%.*]] = atomicrmw add ptr [[PTR]], i64 1 seq_cst, align 8 20; CHECK-NEXT: ret void 21; 22 23entry: 24 %0 = atomicrmw add ptr %ptr, i64 1 seq_cst 25 ret void 26} 27 28define void @cmpxchg(ptr %ptr, i64 %compare_to, i64 %new_value) sanitize_hwaddress { 29; CHECK-LABEL: define void @cmpxchg 30; CHECK-SAME: (ptr [[PTR:%.*]], i64 [[COMPARE_TO:%.*]], i64 [[NEW_VALUE:%.*]]) #[[ATTR0]] { 31; CHECK-NEXT: entry: 32; CHECK-NEXT: [[TMP0:%.*]] = load i64, ptr @__hwasan_tls, align 8 33; CHECK-NEXT: [[TMP1:%.*]] = and i64 [[TMP0]], 72057594037927935 34; CHECK-NEXT: [[TMP2:%.*]] = or i64 [[TMP1]], 4294967295 35; CHECK-NEXT: [[HWASAN_SHADOW:%.*]] = add i64 [[TMP2]], 1 36; CHECK-NEXT: [[TMP3:%.*]] = inttoptr i64 [[HWASAN_SHADOW]] to ptr 37; CHECK-NEXT: call void @llvm.hwasan.check.memaccess.shortgranules(ptr [[TMP3]], ptr [[PTR]], i32 19) 38; CHECK-NEXT: [[TMP4:%.*]] = cmpxchg ptr [[PTR]], i64 [[COMPARE_TO]], i64 [[NEW_VALUE]] seq_cst seq_cst, align 8 39; CHECK-NEXT: ret void 40; 41 42entry: 43 %0 = cmpxchg ptr %ptr, i64 %compare_to, i64 %new_value seq_cst seq_cst 44 ret void 45} 46