| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals all --global-value-regex "x" --version 4 |
| ; RUN: opt < %s -S -passes=hwasan -mtriple=aarch64-linux-gnu -hwasan-globals=0 | FileCheck %s --check-prefixes=NOGLOB |
| ; RUN: opt < %s -S -passes=hwasan -mtriple=aarch64-linux-gnu -hwasan-globals=1 | FileCheck %s |
| |
| target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" |
| |
| @x = dso_local global i32 0, align 4 |
| |
| ;. |
| ; NOGLOB: @x = dso_local global i32 0, align 4 |
| ;. |
| ; CHECK: @x = alias i32, inttoptr (i64 add (i64 ptrtoint (ptr @x.hwasan to i64), i64 5260204364768739328) to ptr) |
| ;. |
| define dso_local noundef i32 @_Z3tmpv() sanitize_hwaddress { |
| ; NOGLOB-LABEL: define dso_local noundef i32 @_Z3tmpv( |
| ; NOGLOB-SAME: ) #[[ATTR0:[0-9]+]] { |
| ; NOGLOB-NEXT: entry: |
| ; NOGLOB-NEXT: [[TMP0:%.*]] = load i32, ptr @x, align 4 |
| ; NOGLOB-NEXT: ret i32 [[TMP0]] |
| ; |
| ; CHECK-LABEL: define dso_local noundef i32 @_Z3tmpv( |
| ; CHECK-SAME: ) #[[ATTR0:[0-9]+]] { |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[TMP12:%.*]] = load i64, ptr @__hwasan_tls, align 8 |
| ; CHECK-NEXT: [[TMP1:%.*]] = or i64 [[TMP12]], 4294967295 |
| ; CHECK-NEXT: [[HWASAN_SHADOW:%.*]] = add i64 [[TMP1]], 1 |
| ; CHECK-NEXT: [[TMP2:%.*]] = inttoptr i64 [[HWASAN_SHADOW]] to ptr |
| ; CHECK-NEXT: [[TMP3:%.*]] = lshr i64 ptrtoint (ptr @x to i64), 56 |
| ; CHECK-NEXT: [[TMP4:%.*]] = trunc i64 [[TMP3]] to i8 |
| ; CHECK-NEXT: [[TMP5:%.*]] = and i64 ptrtoint (ptr @x to i64), 72057594037927935 |
| ; CHECK-NEXT: [[TMP6:%.*]] = lshr i64 [[TMP5]], 4 |
| ; CHECK-NEXT: [[TMP7:%.*]] = getelementptr i8, ptr [[TMP2]], i64 [[TMP6]] |
| ; CHECK-NEXT: [[TMP8:%.*]] = load i8, ptr [[TMP7]], align 1 |
| ; CHECK-NEXT: [[TMP9:%.*]] = icmp ne i8 [[TMP4]], [[TMP8]] |
| ; CHECK-NEXT: br i1 [[TMP9]], label [[TMP10:%.*]], label [[TMP11:%.*]], !prof [[PROF2:![0-9]+]] |
| ; CHECK: 10: |
| ; CHECK-NEXT: call void @llvm.hwasan.check.memaccess.shortgranules(ptr [[TMP2]], ptr @x, i32 2) |
| ; CHECK-NEXT: br label [[TMP11]] |
| ; CHECK: 11: |
| ; CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr @x, align 4 |
| ; CHECK-NEXT: ret i32 [[TMP0]] |
| ; |
| entry: |
| %0 = load i32, ptr @x, align 4 |
| ret i32 %0 |
| } |
