File: combine-alias-scope-metadata.ll

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (24 lines) | stat: -rw-r--r-- 925 bytes parent folder | download | duplicates (9) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
; RUN: opt < %s -S -basic-aa -memcpyopt | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"

define void @test(i8* noalias dereferenceable(1) %in, i8* noalias dereferenceable(1) %out) {
  %tmp = alloca i8
  %tmp2 = alloca i8
; CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %out, i8* align 8 %in, i64 1, i1 false)
  call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %tmp, i8* align 8 %in, i64 1, i1 false), !alias.scope !4
  call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %tmp2, i8* align 8 %tmp, i64 1, i1 false), !alias.scope !5

  call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %out, i8* align 8 %tmp2, i64 1, i1 false), !noalias !6

  ret void
}

declare void @llvm.memcpy.p0i8.p0i8.i64(i8*, i8*, i64, i1)

!0 = !{!0}
!1 = distinct !{!1, !0, !"in"}
!2 = distinct !{!2, !0, !"tmp"}
!3 = distinct !{!3, !0, !"tmp2"}
!4 = distinct !{!1, !2}
!5 = distinct !{!2, !3}
!6 = distinct !{!1, !2}