File: noalias-scope-decl.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (30 lines) | stat: -rw-r--r-- 1,582 bytes parent folder | download | duplicates (13)
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
; RUN: opt < %s -aa-pipeline=basic-aa -passes=aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s
target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:32:64-v128:32:128-a0:0:32-n32"

declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture, i64, i1) #0
declare void @llvm.experimental.noalias.scope.decl(metadata)

define void @test1(ptr %P, ptr %Q) nounwind ssp {
  load i8, ptr %P
  load i8, ptr %Q
  tail call void @llvm.experimental.noalias.scope.decl(metadata !0)
  tail call void @llvm.memcpy.p0.p0.i64(ptr %P, ptr %Q, i64 12, i1 false)
  ret void

; CHECK-LABEL: Function: test1:

; CHECK: MayAlias:	i8* %P, i8* %Q
; CHECK: NoModRef:  Ptr: i8* %P	<->  tail call void @llvm.experimental.noalias.scope.decl(metadata !0)
; CHECK: NoModRef:  Ptr: i8* %Q	<->  tail call void @llvm.experimental.noalias.scope.decl(metadata !0)
; CHECK: Both ModRef:  Ptr: i8* %P	<->  tail call void @llvm.memcpy.p0.p0.i64(ptr %P, ptr %Q, i64 12, i1 false)
; CHECK: Both ModRef:  Ptr: i8* %Q	<->  tail call void @llvm.memcpy.p0.p0.i64(ptr %P, ptr %Q, i64 12, i1 false)
; CHECK: NoModRef:   tail call void @llvm.experimental.noalias.scope.decl(metadata !0) <->   tail call void @llvm.memcpy.p0.p0.i64(ptr %P, ptr %Q, i64 12, i1 false)
; CHECK: NoModRef:   tail call void @llvm.memcpy.p0.p0.i64(ptr %P, ptr %Q, i64 12, i1 false) <->   tail call void @llvm.experimental.noalias.scope.decl(metadata !0)
}


attributes #0 = { nounwind }

!0 = !{ !1 }
!1 = distinct !{ !1, !2, !"test1: var" }
!2 = distinct !{ !2, !"test1" }