1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals all --global-value-regex "x" --version 4 2; RUN: opt < %s -S -passes=hwasan -mtriple=aarch64-linux-gnu -hwasan-globals=0 | FileCheck %s --check-prefixes=NOGLOB 3; RUN: opt < %s -S -passes=hwasan -mtriple=aarch64-linux-gnu -hwasan-globals=1 | FileCheck %s 4 5target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" 6 7@x = dso_local global i32 0, align 4 8 9;. 10; NOGLOB: @x = dso_local global i32 0, align 4 11;. 12; CHECK: @x = alias i32, inttoptr (i64 add (i64 ptrtoint (ptr @x.hwasan to i64), i64 5260204364768739328) to ptr) 13;. 14define dso_local noundef i32 @_Z3tmpv() sanitize_hwaddress { 15; NOGLOB-LABEL: define dso_local noundef i32 @_Z3tmpv( 16; NOGLOB-SAME: ) #[[ATTR0:[0-9]+]] { 17; NOGLOB-NEXT: entry: 18; NOGLOB-NEXT: [[TMP0:%.*]] = load i32, ptr @x, align 4 19; NOGLOB-NEXT: ret i32 [[TMP0]] 20; 21; CHECK-LABEL: define dso_local noundef i32 @_Z3tmpv( 22; CHECK-SAME: ) #[[ATTR0:[0-9]+]] { 23; CHECK-NEXT: entry: 24; CHECK-NEXT: [[TMP12:%.*]] = load i64, ptr @__hwasan_tls, align 8 25; CHECK-NEXT: [[TMP1:%.*]] = or i64 [[TMP12]], 4294967295 26; CHECK-NEXT: [[HWASAN_SHADOW:%.*]] = add i64 [[TMP1]], 1 27; CHECK-NEXT: [[TMP2:%.*]] = inttoptr i64 [[HWASAN_SHADOW]] to ptr 28; CHECK-NEXT: [[TMP3:%.*]] = lshr i64 ptrtoint (ptr @x to i64), 56 29; CHECK-NEXT: [[TMP4:%.*]] = trunc i64 [[TMP3]] to i8 30; CHECK-NEXT: [[TMP5:%.*]] = and i64 ptrtoint (ptr @x to i64), 72057594037927935 31; CHECK-NEXT: [[TMP6:%.*]] = lshr i64 [[TMP5]], 4 32; CHECK-NEXT: [[TMP7:%.*]] = getelementptr i8, ptr [[TMP2]], i64 [[TMP6]] 33; CHECK-NEXT: [[TMP8:%.*]] = load i8, ptr [[TMP7]], align 1 34; CHECK-NEXT: [[TMP9:%.*]] = icmp ne i8 [[TMP4]], [[TMP8]] 35; CHECK-NEXT: br i1 [[TMP9]], label [[TMP10:%.*]], label [[TMP11:%.*]], !prof [[PROF2:![0-9]+]] 36; CHECK: 10: 37; CHECK-NEXT: call void @llvm.hwasan.check.memaccess.shortgranules(ptr [[TMP2]], ptr @x, i32 2) 38; CHECK-NEXT: br label [[TMP11]] 39; CHECK: 11: 40; CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr @x, align 4 41; CHECK-NEXT: ret i32 [[TMP0]] 42; 43entry: 44 %0 = load i32, ptr @x, align 4 45 ret i32 %0 46} 47