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
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals all --version 4
; RUN: opt -S -passes=attributor < %s | FileCheck %s
define void @null_ptr_is_valid_call_with_null() #0 {
; CHECK-LABEL: define void @null_ptr_is_valid_call_with_null(
; CHECK-SAME: ) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT: call void @store_as0(ptr nofree noundef writeonly align 4294967296 null) #[[ATTR4:[0-9]+]]
; CHECK-NEXT: ret void
;
call void @store_as0(ptr null)
ret void
}
define void @null_ptr_is_valid_call_with_undef() #0 {
; CHECK-LABEL: define void @null_ptr_is_valid_call_with_undef(
; CHECK-SAME: ) #[[ATTR1:[0-9]+]] {
; CHECK-NEXT: call void @store_as0(ptr undef) #[[ATTR4]]
; CHECK-NEXT: ret void
;
call void @store_as0(ptr undef)
ret void
}
define void @store_as0(ptr %0) {
; CHECK-LABEL: define void @store_as0(
; CHECK-SAME: ptr nocapture nofree noundef nonnull writeonly align 2 dereferenceable(2) [[TMP0:%.*]]) #[[ATTR2:[0-9]+]] {
; CHECK-NEXT: store i16 0, ptr [[TMP0]], align 2
; CHECK-NEXT: ret void
;
store i16 0, ptr %0, align 2
ret void
}
define void @call_store_as1() {
; CHECK-LABEL: define void @call_store_as1(
; CHECK-SAME: ) #[[ATTR3:[0-9]+]] {
; CHECK-NEXT: call void @store_as1(ptr addrspace(1) nocapture nofree noundef writeonly align 4294967296 null) #[[ATTR4]]
; CHECK-NEXT: ret void
;
call void @store_as1(ptr addrspace(1) null)
ret void
}
define void @store_as1(ptr addrspace(1) %arg) {
; CHECK-LABEL: define void @store_as1(
; CHECK-SAME: ptr addrspace(1) nocapture nofree noundef writeonly align 2 dereferenceable_or_null(2) [[ARG:%.*]]) #[[ATTR2]] {
; CHECK-NEXT: store i16 0, ptr addrspace(1) [[ARG]], align 2
; CHECK-NEXT: ret void
;
store i16 0, ptr addrspace(1) %arg, align 2
ret void
}
attributes #0 = { null_pointer_is_valid }
;.
; CHECK: attributes #[[ATTR0]] = { mustprogress nofree norecurse nosync nounwind null_pointer_is_valid willreturn memory(write) }
; CHECK: attributes #[[ATTR1]] = { mustprogress nofree norecurse nosync nounwind null_pointer_is_valid willreturn memory(none) }
; CHECK: attributes #[[ATTR2]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) }
; CHECK: attributes #[[ATTR3]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) }
; CHECK: attributes #[[ATTR4]] = { nofree nosync nounwind willreturn memory(write) }
;.
|
