| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2 |
| |
| ; RUN: opt < %s -passes=hwasan -S | FileCheck %s |
| ; RUN: opt < %s -passes=hwasan -hwasan-mapping-offset-dynamic=global -S | FileCheck %s --check-prefixes=GLOBAL |
| ; RUN: opt < %s -passes=hwasan -hwasan-mapping-offset=567 -S | FileCheck %s --check-prefixes=FIXED |
| ; RUN: opt < %s -passes=hwasan -hwasan-mapping-offset=567 -hwasan-mapping-offset-dynamic=global -S | FileCheck %s --check-prefixes=FIXED-GLOBAL |
| ; RUN: opt < %s -passes=hwasan -hwasan-mapping-offset-dynamic=global -hwasan-mapping-offset=567 -S | FileCheck %s --check-prefixes=GLOBAL-FIXED |
| |
| target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" |
| target triple = "aarch64--linux-android" |
| |
| define i8 @test_load8(ptr %a) sanitize_hwaddress { |
| ; CHECK-LABEL: define i8 @test_load8 |
| ; CHECK-SAME: (ptr [[A:%.*]]) #[[ATTR0:[0-9]+]] { |
| ; CHECK-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr @__hwasan_shadow) |
| ; CHECK-NEXT: call void @llvm.hwasan.check.memaccess(ptr [[DOTHWASAN_SHADOW]], ptr [[A]], i32 0) |
| ; CHECK-NEXT: [[B:%.*]] = load i8, ptr [[A]], align 4 |
| ; CHECK-NEXT: ret i8 [[B]] |
| ; |
| ; GLOBAL-LABEL: define i8 @test_load8 |
| ; GLOBAL-SAME: (ptr [[A:%.*]]) #[[ATTR0:[0-9]+]] { |
| ; GLOBAL-NEXT: [[TMP1:%.*]] = load ptr, ptr @__hwasan_shadow_memory_dynamic_address, align 8 |
| ; GLOBAL-NEXT: call void @llvm.hwasan.check.memaccess(ptr [[TMP1]], ptr [[A]], i32 0) |
| ; GLOBAL-NEXT: [[B:%.*]] = load i8, ptr [[A]], align 4 |
| ; GLOBAL-NEXT: ret i8 [[B]] |
| ; |
| ; FIXED-LABEL: define i8 @test_load8 |
| ; FIXED-SAME: (ptr [[A:%.*]]) #[[ATTR0:[0-9]+]] { |
| ; FIXED-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr inttoptr (i64 567 to ptr)) |
| ; FIXED-NEXT: call void @llvm.hwasan.check.memaccess(ptr [[DOTHWASAN_SHADOW]], ptr [[A]], i32 0) |
| ; FIXED-NEXT: [[B:%.*]] = load i8, ptr [[A]], align 4 |
| ; FIXED-NEXT: ret i8 [[B]] |
| ; |
| ; FIXED-GLOBAL-LABEL: define i8 @test_load8 |
| ; FIXED-GLOBAL-SAME: (ptr [[A:%.*]]) #[[ATTR0:[0-9]+]] { |
| ; FIXED-GLOBAL-NEXT: [[TMP1:%.*]] = load ptr, ptr @__hwasan_shadow_memory_dynamic_address, align 8 |
| ; FIXED-GLOBAL-NEXT: call void @llvm.hwasan.check.memaccess(ptr [[TMP1]], ptr [[A]], i32 0) |
| ; FIXED-GLOBAL-NEXT: [[B:%.*]] = load i8, ptr [[A]], align 4 |
| ; FIXED-GLOBAL-NEXT: ret i8 [[B]] |
| ; |
| ; GLOBAL-FIXED-LABEL: define i8 @test_load8 |
| ; GLOBAL-FIXED-SAME: (ptr [[A:%.*]]) #[[ATTR0:[0-9]+]] { |
| ; GLOBAL-FIXED-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr inttoptr (i64 567 to ptr)) |
| ; GLOBAL-FIXED-NEXT: call void @llvm.hwasan.check.memaccess(ptr [[DOTHWASAN_SHADOW]], ptr [[A]], i32 0) |
| ; GLOBAL-FIXED-NEXT: [[B:%.*]] = load i8, ptr [[A]], align 4 |
| ; GLOBAL-FIXED-NEXT: ret i8 [[B]] |
| ; |
| %b = load i8, ptr %a, align 4 |
| ret i8 %b |
| } |
