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
35
36
37
38
39
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-attributes
; RUN: opt -S -o - -passes=function-attrs < %s | FileCheck %s
; Verify we remove argmemonly/inaccessiblememonly/inaccessiblemem_or_argmemonly
; function attributes when we derive readnone.
define ptr @given_argmem_infer_readnone(ptr %p) #0 {
; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
; CHECK-LABEL: @given_argmem_infer_readnone(
; CHECK-NEXT: entry:
; CHECK-NEXT: ret ptr [[P:%.*]]
;
entry:
ret ptr %p
}
define ptr @given_inaccessible_infer_readnone(ptr %p) #1 {
; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
; CHECK-LABEL: @given_inaccessible_infer_readnone(
; CHECK-NEXT: entry:
; CHECK-NEXT: ret ptr [[P:%.*]]
;
entry:
ret ptr %p
}
define ptr @given_inaccessible_or_argmem_infer_readnone(ptr %p) #2 {
; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
; CHECK-LABEL: @given_inaccessible_or_argmem_infer_readnone(
; CHECK-NEXT: entry:
; CHECK-NEXT: ret ptr [[P:%.*]]
;
entry:
ret ptr %p
}
attributes #0 = { argmemonly }
attributes #1 = { inaccessiblememonly }
attributes #2 = { inaccessiblemem_or_argmemonly }
|
