File: atomic.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (34 lines) | stat: -rw-r--r-- 927 bytes parent folder | download | duplicates (6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
; 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 @__hwasan_store8(i64 %[[A]])

; CHECK: atomicrmw add i64* %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 @__hwasan_store8(i64 %[[A]])

; CHECK: cmpxchg i64* %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
}