| ; Test basic address sanitizer instrumentation. |
| ; |
| ; RUN: opt < %s -hwasan -S | FileCheck %s |
| |
| target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| define void @atomicrmw(i64* %ptr) sanitize_hwaddress { |
| ; CHECK-LABEL: @atomicrmw( |
| ; CHECK: %[[A:[^ ]*]] = ptrtoint i64* %ptr to i64 |
| |
| ; CHECK: call void asm sideeffect "int3\0Anopl 83(%rax)", "{rdi}"(i64 %[[A]]) |
| |
| ; CHECK: %[[A:[^ ]*]] = ptrtoint i64* %ptr to i64 |
| ; CHECK: %[[UNTAGGED:[^ ]*]] = and i64 %[[A]], 72057594037927935 |
| ; CHECK: %[[UNTAGGED_PTR:[^ ]*]] = inttoptr i64 %[[UNTAGGED]] to i64* |
| ; CHECK: atomicrmw add i64* %[[UNTAGGED_PTR]], i64 1 seq_cst |
| ; CHECK: ret void |
| |
| entry: |
| %0 = atomicrmw add i64* %ptr, i64 1 seq_cst |
| ret void |
| } |
| |
| define void @cmpxchg(i64* %ptr, i64 %compare_to, i64 %new_value) sanitize_hwaddress { |
| ; CHECK-LABEL: @cmpxchg( |
| ; CHECK: %[[A:[^ ]*]] = ptrtoint i64* %ptr to i64 |
| |
| ; CHECK: call void asm sideeffect "int3\0Anopl 83(%rax)", "{rdi}"(i64 %[[A]]) |
| |
| ; CHECK: %[[A:[^ ]*]] = ptrtoint i64* %ptr to i64 |
| ; CHECK: %[[UNTAGGED:[^ ]*]] = and i64 %[[A]], 72057594037927935 |
| ; CHECK: %[[UNTAGGED_PTR:[^ ]*]] = inttoptr i64 %[[UNTAGGED]] to i64* |
| ; CHECK: cmpxchg i64* %[[UNTAGGED_PTR]], i64 %compare_to, i64 %new_value seq_cst seq_cst |
| ; CHECK: ret void |
| |
| entry: |
| %0 = cmpxchg i64* %ptr, i64 %compare_to, i64 %new_value seq_cst seq_cst |
| ret void |
| } |
