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
62
63
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals
; RUN: opt -attributor -enable-new-pm=0 -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=2 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_NPM,NOT_CGSCC_OPM,NOT_TUNIT_NPM,IS__TUNIT____,IS________OPM,IS__TUNIT_OPM
; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=2 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_OPM,NOT_CGSCC_NPM,NOT_TUNIT_OPM,IS__TUNIT____,IS________NPM,IS__TUNIT_NPM
; RUN: opt -attributor-cgscc -enable-new-pm=0 -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_NPM,IS__CGSCC____,IS________OPM,IS__CGSCC_OPM
; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_OPM,IS__CGSCC____,IS________NPM,IS__CGSCC_NPM
; PR2498
; This test tries to convince CHECK about promoting the load from %A + 2,
; because there is a load of %A in the entry block
define internal i32 @callee(i1 %C, i32* %A) {
;
; CHECK: Function Attrs: argmemonly nofree norecurse nosync nounwind readonly willreturn
; CHECK-LABEL: define {{[^@]+}}@callee
; CHECK-SAME: (i32* nocapture nofree noundef nonnull readonly align 4 dereferenceable(4) [[A:%.*]]) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[A_0:%.*]] = load i32, i32* [[A]], align 4
; CHECK-NEXT: br label [[F:%.*]]
; CHECK: T:
; CHECK-NEXT: unreachable
; CHECK: F:
; CHECK-NEXT: [[A_2:%.*]] = getelementptr i32, i32* [[A]], i32 2
; CHECK-NEXT: [[R:%.*]] = load i32, i32* [[A_2]], align 4
; CHECK-NEXT: ret i32 [[R]]
;
entry:
; Unconditonally load the element at %A
%A.0 = load i32, i32* %A
br i1 %C, label %T, label %F
T:
ret i32 %A.0
F:
; Load the element at offset two from %A. This should not be promoted!
%A.2 = getelementptr i32, i32* %A, i32 2
%R = load i32, i32* %A.2
ret i32 %R
}
define i32 @foo(i32* %A) {
; IS__TUNIT____: Function Attrs: argmemonly nofree norecurse nosync nounwind readonly willreturn
; IS__TUNIT____-LABEL: define {{[^@]+}}@foo
; IS__TUNIT____-SAME: (i32* nocapture nofree readonly [[A:%.*]]) #[[ATTR0]] {
; IS__TUNIT____-NEXT: [[X:%.*]] = call i32 @callee(i32* nocapture nofree readonly align 4 [[A]]) #[[ATTR1:[0-9]+]]
; IS__TUNIT____-NEXT: ret i32 [[X]]
;
; IS__CGSCC____: Function Attrs: argmemonly nofree norecurse nosync nounwind readonly willreturn
; IS__CGSCC____-LABEL: define {{[^@]+}}@foo
; IS__CGSCC____-SAME: (i32* nocapture nofree noundef nonnull readonly align 4 dereferenceable(4) [[A:%.*]]) #[[ATTR0]] {
; IS__CGSCC____-NEXT: [[X:%.*]] = call i32 @callee(i32* nocapture nofree noundef nonnull readonly align 4 dereferenceable(4) [[A]]) #[[ATTR1:[0-9]+]]
; IS__CGSCC____-NEXT: ret i32 [[X]]
;
%X = call i32 @callee(i1 false, i32* %A) ; <i32> [#uses=1]
ret i32 %X
}
;.
; IS__TUNIT____: attributes #[[ATTR0]] = { argmemonly nofree norecurse nosync nounwind readonly willreturn }
; IS__TUNIT____: attributes #[[ATTR1]] = { nofree nosync nounwind readonly willreturn }
;.
; IS__CGSCC____: attributes #[[ATTR0]] = { argmemonly nofree norecurse nosync nounwind readonly willreturn }
; IS__CGSCC____: attributes #[[ATTR1]] = { nosync nounwind readonly willreturn }
;.
|
