1 ; Test basic address sanitizer instrumentation. 2 ; 3 ; RUN: opt < %s -hwasan -S | FileCheck %s 4 5 target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" 6 target triple = "x86_64-unknown-linux-gnu" 7 8 define void @atomicrmw(i64* %ptr) sanitize_hwaddress { 9 ; CHECK-LABEL: @atomicrmw( 10 ; CHECK: %[[A:[^ ]*]] = ptrtoint i64* %ptr to i64 11 12 ; CHECK: call void asm sideeffect "int3\0Anopl 83(%rax)", "{rdi}"(i64 %[[A]]) 13 14 ; CHECK: %[[A:[^ ]*]] = ptrtoint i64* %ptr to i64 15 ; CHECK: %[[UNTAGGED:[^ ]*]] = and i64 %[[A]], 72057594037927935 16 ; CHECK: %[[UNTAGGED_PTR:[^ ]*]] = inttoptr i64 %[[UNTAGGED]] to i64* 17 ; CHECK: atomicrmw add i64* %[[UNTAGGED_PTR]], i64 1 seq_cst 18 ; CHECK: ret void 19 20 entry: 21 %0 = atomicrmw add i64* %ptr, i64 1 seq_cst 22 ret void 23 } 24 25 define void @cmpxchg(i64* %ptr, i64 %compare_to, i64 %new_value) sanitize_hwaddress { 26 ; CHECK-LABEL: @cmpxchg( 27 ; CHECK: %[[A:[^ ]*]] = ptrtoint i64* %ptr to i64 28 29 ; CHECK: call void asm sideeffect "int3\0Anopl 83(%rax)", "{rdi}"(i64 %[[A]]) 30 31 ; CHECK: %[[A:[^ ]*]] = ptrtoint i64* %ptr to i64 32 ; CHECK: %[[UNTAGGED:[^ ]*]] = and i64 %[[A]], 72057594037927935 33 ; CHECK: %[[UNTAGGED_PTR:[^ ]*]] = inttoptr i64 %[[UNTAGGED]] to i64* 34 ; CHECK: cmpxchg i64* %[[UNTAGGED_PTR]], i64 %compare_to, i64 %new_value seq_cst seq_cst 35 ; CHECK: ret void 36 37 entry: 38 %0 = cmpxchg i64* %ptr, i64 %compare_to, i64 %new_value seq_cst seq_cst 39 ret void 40 } 41
