1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature
2; RUN: opt -basic-aa -inline -enable-noalias-to-md-conversion -S < %s | FileCheck %s
3; RUN: opt -aa-pipeline=basic-aa -passes=inline -enable-noalias-to-md-conversion -S < %s | FileCheck %s
4target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
5target triple = "x86_64-unknown-linux-gnu"
6
7declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i1) #0
8declare void @hey() #0
9
10define void @hello(i8* noalias nocapture %a, i8* noalias nocapture readonly %c, i8* nocapture %b) #1 {
11; CHECK-LABEL: define {{[^@]+}}@hello
12; CHECK-SAME: (i8* noalias nocapture [[A:%.*]], i8* noalias nocapture readonly [[C:%.*]], i8* nocapture [[B:%.*]]) [[ATTR1:#.*]] {
13; CHECK-NEXT:  entry:
14; CHECK-NEXT:    [[L:%.*]] = alloca i8, i32 512, align 1
15; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 [[A]], i8* align 16 [[B]], i64 16, i1 false)
16; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 [[B]], i8* align 16 [[C]], i64 16, i1 false)
17; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 [[A]], i8* align 16 [[C]], i64 16, i1 false)
18; CHECK-NEXT:    call void @hey()
19; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 [[L]], i8* align 16 [[C]], i64 16, i1 false)
20; CHECK-NEXT:    ret void
21;
22entry:
23  %l = alloca i8, i32 512, align 1
24  call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 %a, i8* align 16 %b, i64 16, i1 0)
25  call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 %b, i8* align 16 %c, i64 16, i1 0)
26  call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 %a, i8* align 16 %c, i64 16, i1 0)
27  call void @hey()
28  call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 %l, i8* align 16 %c, i64 16, i1 0)
29  ret void
30}
31
32define void @foo(i8* nocapture %a, i8* nocapture readonly %c, i8* nocapture %b) #2 {
33; CHECK-LABEL: define {{[^@]+}}@foo
34; CHECK-SAME: (i8* nocapture [[A:%.*]], i8* nocapture readonly [[C:%.*]], i8* nocapture [[B:%.*]]) [[ATTR2:#.*]] {
35; CHECK-NEXT:  entry:
36; CHECK-NEXT:    [[L_I:%.*]] = alloca i8, i32 512, align 1
37; CHECK-NEXT:    call void @llvm.experimental.noalias.scope.decl([[META0:metadata !.*]])
38; CHECK-NEXT:    call void @llvm.experimental.noalias.scope.decl([[META3:metadata !.*]])
39; CHECK-NEXT:    call void @llvm.lifetime.start.p0i8(i64 512, i8* [[L_I]])
40; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 [[A]], i8* align 16 [[B]], i64 16, i1 false) [[ATTR2]], !noalias !3
41; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 [[B]], i8* align 16 [[C]], i64 16, i1 false) [[ATTR2]], !noalias !0
42; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 [[A]], i8* align 16 [[C]], i64 16, i1 false) [[ATTR2]], !alias.scope !5
43; CHECK-NEXT:    call void @hey() [[ATTR2]], !noalias !5
44; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 [[L_I]], i8* align 16 [[C]], i64 16, i1 false) [[ATTR2]], !noalias !0
45; CHECK-NEXT:    call void @llvm.lifetime.end.p0i8(i64 512, i8* [[L_I]])
46; CHECK-NEXT:    ret void
47;
48entry:
49  tail call void @hello(i8* %a, i8* %c, i8* %b)
50  ret void
51}
52
53define void @hello_cs(i8* nocapture %a, i8* nocapture readonly %c, i8* nocapture %b) #1 {
54; CHECK-LABEL: define {{[^@]+}}@hello_cs
55; CHECK-SAME: (i8* nocapture [[A:%.*]], i8* nocapture readonly [[C:%.*]], i8* nocapture [[B:%.*]]) [[ATTR1]] {
56; CHECK-NEXT:  entry:
57; CHECK-NEXT:    [[L:%.*]] = alloca i8, i32 512, align 1
58; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 [[A]], i8* align 16 [[B]], i64 16, i1 false)
59; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 [[B]], i8* align 16 [[C]], i64 16, i1 false)
60; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 [[A]], i8* align 16 [[C]], i64 16, i1 false)
61; CHECK-NEXT:    call void @hey()
62; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 [[L]], i8* align 16 [[C]], i64 16, i1 false)
63; CHECK-NEXT:    ret void
64;
65entry:
66  %l = alloca i8, i32 512, align 1
67  call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 %a, i8* align 16 %b, i64 16, i1 0)
68  call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 %b, i8* align 16 %c, i64 16, i1 0)
69  call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 %a, i8* align 16 %c, i64 16, i1 0)
70  call void @hey()
71  call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 %l, i8* align 16 %c, i64 16, i1 0)
72  ret void
73}
74
75define void @foo_cs(i8* nocapture %a, i8* nocapture readonly %c, i8* nocapture %b) #2 {
76; CHECK-LABEL: define {{[^@]+}}@foo_cs
77; CHECK-SAME: (i8* nocapture [[A:%.*]], i8* nocapture readonly [[C:%.*]], i8* nocapture [[B:%.*]]) [[ATTR2]] {
78; CHECK-NEXT:  entry:
79; CHECK-NEXT:    [[L_I:%.*]] = alloca i8, i32 512, align 1
80; CHECK-NEXT:    call void @llvm.experimental.noalias.scope.decl([[META6:metadata !.*]])
81; CHECK-NEXT:    call void @llvm.experimental.noalias.scope.decl([[META9:metadata !.*]])
82; CHECK-NEXT:    call void @llvm.lifetime.start.p0i8(i64 512, i8* [[L_I]])
83; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 [[A]], i8* align 16 [[B]], i64 16, i1 false) [[ATTR2]], !noalias !9
84; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 [[B]], i8* align 16 [[C]], i64 16, i1 false) [[ATTR2]], !noalias !6
85; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 [[A]], i8* align 16 [[C]], i64 16, i1 false) [[ATTR2]], !alias.scope !11
86; CHECK-NEXT:    call void @hey() [[ATTR2]], !noalias !11
87; CHECK-NEXT:    call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 [[L_I]], i8* align 16 [[C]], i64 16, i1 false) [[ATTR2]], !noalias !6
88; CHECK-NEXT:    call void @llvm.lifetime.end.p0i8(i64 512, i8* [[L_I]])
89; CHECK-NEXT:    ret void
90;
91entry:
92  tail call void @hello_cs(i8* noalias %a, i8* noalias %c, i8* %b)
93  ret void
94}
95
96attributes #0 = { argmemonly nofree nosync nounwind willreturn }
97attributes #1 = { argmemonly nounwind willreturn }
98attributes #2 = { nounwind }
99attributes #3 = { nounwind uwtable }
100
101; CHECK: !0 = !{!1}
102; CHECK: !1 = distinct !{!1, !2, !"hello: %a"}
103; CHECK: !2 = distinct !{!2, !"hello"}
104; CHECK: !3 = !{!4}
105; CHECK: !4 = distinct !{!4, !2, !"hello: %c"}
106; CHECK: !5 = !{!1, !4}
107
108; CHECK: !6 = !{!7}
109; CHECK: !7 = distinct !{!7, !8, !"hello_cs: %a"}
110; CHECK: !8 = distinct !{!8, !"hello_cs"}
111; CHECK: !9 = !{!10}
112; CHECK: !10 = distinct !{!10, !8, !"hello_cs: %c"}
113; CHECK: !11 = !{!7, !10}
114