xref: /llvm-project/llvm/test/Transforms/ArgumentPromotion/store-into-inself.ll (revision 2d69827c5c754f0eca98e497ecf0e52ed54b4fd3)
1; RUN: opt < %s -passes=argpromotion -S | FileCheck %s
2
3target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
4
5%struct.ss = type { i32, i64 }
6
7define internal void @f(ptr byval(ptr) align 4 %p) nounwind  {
8; CHECK-LABEL: define {{[^@]+}}@f
9; CHECK-SAME: (ptr byval(ptr) align 4 [[P:%.*]]) #[[ATTR0:[0-9]+]] {
10; CHECK-NEXT:  entry:
11; CHECK-NEXT:    store ptr [[P]], ptr [[P]]
12; CHECK-NEXT:    ret void
13;
14entry:
15  store ptr %p, ptr %p
16  ret void
17}
18
19define internal void @g(ptr byval(ptr) align 4 %p) nounwind  {
20; CHECK-LABEL: define {{[^@]+}}@g
21; CHECK-SAME: (ptr byval(ptr) align 4 [[P:%.*]]) #[[ATTR0]] {
22; CHECK-NEXT:  entry:
23; CHECK-NEXT:    [[P1:%.*]] = getelementptr i8, ptr [[P]], i64 4
24; CHECK-NEXT:    store ptr [[P]], ptr [[P1]]
25; CHECK-NEXT:    ret void
26;
27entry:
28  %p1 = getelementptr i8, ptr %p, i64 4
29  store ptr %p, ptr %p1
30  ret void
31}
32
33define internal void @h(ptr byval(ptr) align 4 %p) nounwind  {
34; CHECK-LABEL: define {{[^@]+}}@h
35; CHECK-SAME: (ptr byval(ptr) align 4 [[P:%.*]]) #[[ATTR0]] {
36; CHECK-NEXT:  entry:
37; CHECK-NEXT:    [[P1:%.*]] = getelementptr i8, ptr [[P]], i64 4
38; CHECK-NEXT:    store ptr [[P1]], ptr [[P]]
39; CHECK-NEXT:    ret void
40;
41entry:
42  %p1 = getelementptr i8, ptr %p, i64 4
43  store ptr %p1, ptr %p
44  ret void
45}
46
47define internal void @k(ptr byval(ptr) align 4 %p) nounwind  {
48; CHECK-LABEL: define {{[^@]+}}@k
49; CHECK-SAME: (ptr byval(ptr) align 4 [[P:%.*]]) #[[ATTR0]] {
50; CHECK-NEXT:  entry:
51; CHECK-NEXT:    [[X:%.*]] = load ptr, ptr [[P]]
52; CHECK-NEXT:    store ptr [[P]], ptr [[X]]
53; CHECK-NEXT:    ret void
54;
55entry:
56  %x = load ptr, ptr %p
57  store ptr %p, ptr %x
58  ret void
59}
60
61define internal void @l(ptr byval(ptr) align 4 %p) nounwind  {
62; CHECK-LABEL: define {{[^@]+}}@l
63; CHECK-SAME: () #[[ATTR0]] {
64; CHECK-NEXT:  entry:
65; CHECK-NEXT:    ret void
66;
67entry:
68  %x = load ptr, ptr %p
69  store ptr %x, ptr %p
70  ret void
71}
72
73define i32 @main() nounwind  {
74; CHECK-LABEL: define {{[^@]+}}@main
75; CHECK-SAME: () #[[ATTR0]] {
76; CHECK-NEXT:  entry:
77; CHECK-NEXT:    [[S:%.*]] = alloca [[STRUCT_SS:%.*]], align 32
78; CHECK-NEXT:    [[TEMP1:%.*]] = getelementptr [[STRUCT_SS]], ptr [[S]], i32 0, i32 0
79; CHECK-NEXT:    store i32 1, ptr [[TEMP1]], align 4
80; CHECK-NEXT:    [[TEMP4:%.*]] = getelementptr [[STRUCT_SS]], ptr [[S]], i32 0, i32 1
81; CHECK-NEXT:    store i64 2, ptr [[TEMP4]], align 8
82; CHECK-NEXT:    call void @f(ptr byval(ptr) align 4 [[S]]) #[[ATTR0]]
83; CHECK-NEXT:    call void @g(ptr byval(ptr) align 4 [[S]]) #[[ATTR0]]
84; CHECK-NEXT:    call void @h(ptr byval(ptr) align 4 [[S]]) #[[ATTR0]]
85; CHECK-NEXT:    call void @k(ptr byval(ptr) align 4 [[S]]) #[[ATTR0]]
86; CHECK-NEXT:    call void @l() #[[ATTR0]]
87; CHECK-NEXT:    ret i32 0
88;
89entry:
90  %S = alloca %struct.ss, align 32
91  %temp1 = getelementptr %struct.ss, ptr %S, i32 0, i32 0
92  store i32 1, ptr %temp1, align 4
93  %temp4 = getelementptr %struct.ss, ptr %S, i32 0, i32 1
94  store i64 2, ptr %temp4, align 8
95  call void @f(ptr byval(ptr) align 4 %S) nounwind
96  call void @g(ptr byval(ptr) align 4 %S) nounwind
97  call void @h(ptr byval(ptr) align 4 %S) nounwind
98  call void @k(ptr byval(ptr) align 4 %S) nounwind
99  call void @l(ptr byval(ptr) align 4 %S) nounwind
100  ret i32 0
101}
102