attrs.ll
2.27 KB
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
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes
; RUN: opt -S -passes=attributor -aa-pipeline='basic-aa' -attributor-disable=false -attributor-max-iterations-verify -attributor-max-iterations=3 < %s | FileCheck %s
%struct.ss = type { i32, i64 }
; Don't drop 'byval' on %X here.
define internal void @f(%struct.ss* byval %b, i32* byval %X, i32 %i) nounwind {
; CHECK-LABEL: define {{[^@]+}}@f
; CHECK-SAME: (%struct.ss* noalias nocapture nofree nonnull byval align 8 dereferenceable(12) [[B:%.*]], i32* nocapture nofree nonnull writeonly byval dereferenceable(4) [[X:%.*]], i32 [[I:%.*]])
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP:%.*]] = getelementptr [[STRUCT_SS:%.*]], %struct.ss* [[B]], i32 0, i32 0
; CHECK-NEXT: [[TMP1:%.*]] = load i32, i32* [[TMP]], align 8
; CHECK-NEXT: [[TMP2:%.*]] = add i32 [[TMP1]], 1
; CHECK-NEXT: store i32 [[TMP2]], i32* [[TMP]], align 8
; CHECK-NEXT: store i32 0, i32* [[X]]
; CHECK-NEXT: ret void
;
entry:
%tmp = getelementptr %struct.ss, %struct.ss* %b, i32 0, i32 0
%tmp1 = load i32, i32* %tmp, align 4
%tmp2 = add i32 %tmp1, 1
store i32 %tmp2, i32* %tmp, align 4
store i32 %i, i32* %X
ret void
}
; Also make sure we don't drop the call zeroext attribute.
define i32 @test(i32* %X) {
; CHECK-LABEL: define {{[^@]+}}@test
; CHECK-SAME: (i32* nocapture nofree readonly [[X:%.*]])
; CHECK-NEXT: entry:
; CHECK-NEXT: [[S:%.*]] = alloca [[STRUCT_SS:%.*]]
; CHECK-NEXT: [[TMP1:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i32 0, i32 0
; CHECK-NEXT: store i32 1, i32* [[TMP1]], align 8
; CHECK-NEXT: [[TMP4:%.*]] = getelementptr [[STRUCT_SS]], %struct.ss* [[S]], i32 0, i32 1
; CHECK-NEXT: store i64 2, i64* [[TMP4]], align 4
; CHECK-NEXT: call void @f(%struct.ss* noalias nocapture nofree nonnull readonly byval align 8 dereferenceable(12) [[S]], i32* nocapture nofree readonly byval [[X]], i32 zeroext 0)
; CHECK-NEXT: ret i32 0
;
entry:
%S = alloca %struct.ss
%tmp1 = getelementptr %struct.ss, %struct.ss* %S, i32 0, i32 0
store i32 1, i32* %tmp1, align 8
%tmp4 = getelementptr %struct.ss, %struct.ss* %S, i32 0, i32 1
store i64 2, i64* %tmp4, align 4
call void @f( %struct.ss* byval %S, i32* byval %X, i32 zeroext 0)
ret i32 0
}