summaryrefslogtreecommitdiffstats
path: root/llvm/test/Transforms/InstCombine/unpack-fca.ll
blob: 9b8d104574914b6ce0f8141a805982f77bacaa95 (plain)
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
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
; RUN: opt -instcombine -S < %s | FileCheck %s

target datalayout = "e-i64:64-f80:128-n8:16:32:64"
target triple = "x86_64-unknown-linux-gnu"

%A__vtbl = type { i8*, i32 (%A*)* }
%A = type { %A__vtbl* }
%B = type { i8*, i64 }

@A__vtblZ = constant %A__vtbl { i8* null, i32 (%A*)* @A.foo }

declare i32 @A.foo(%A* nocapture %this)

define void @storeA(%A* %a.ptr) {
; CHECK-LABEL: storeA
; CHECK-NEXT: [[GEP:%[a-z0-9\.]+]] = getelementptr inbounds %A, %A* %a.ptr, i64 0, i32 0
; CHECK-NEXT: store %A__vtbl* @A__vtblZ, %A__vtbl** [[GEP]], align 8
; CHECK-NEXT: ret void
  store %A { %A__vtbl* @A__vtblZ }, %A* %a.ptr, align 8
  ret void
}

define void @storeB(%B* %b.ptr) {
; CHECK-LABEL: storeB
; CHECK-NEXT: [[GEP1:%[a-z0-9\.]+]] = getelementptr inbounds %B, %B* %b.ptr, i64 0, i32 0
; CHECK-NEXT: store i8* null, i8** [[GEP1]], align 8
; CHECK-NEXT: [[GEP2:%[a-z0-9\.]+]] = getelementptr inbounds %B, %B* %b.ptr, i64 0, i32 1
; CHECK-NEXT: store i64 42, i64* [[GEP2]], align 8
; CHECK-NEXT: ret void
  store %B { i8* null, i64 42 }, %B* %b.ptr, align 8
  ret void
}

define void @storeStructOfA({ %A }* %sa.ptr) {
; CHECK-LABEL: storeStructOfA
; CHECK-NEXT: [[GEP:%[a-z0-9\.]+]] = getelementptr inbounds { %A }, { %A }* %sa.ptr, i64 0, i32 0, i32 0
; CHECK-NEXT: store %A__vtbl* @A__vtblZ, %A__vtbl** [[GEP]], align 8
; CHECK-NEXT: ret void
  store { %A } { %A { %A__vtbl* @A__vtblZ } }, { %A }* %sa.ptr, align 8
  ret void
}

define void @storeArrayOfA([1 x %A]* %aa.ptr) {
; CHECK-LABEL: storeArrayOfA
; CHECK-NEXT: [[GEP:%[a-z0-9\.]+]] = getelementptr inbounds [1 x %A], [1 x %A]* %aa.ptr, i64 0, i64 0, i32 0
; CHECK-NEXT: store %A__vtbl* @A__vtblZ, %A__vtbl** [[GEP]], align 8
; CHECK-NEXT: ret void
  store [1 x %A] [%A { %A__vtbl* @A__vtblZ }], [1 x %A]* %aa.ptr, align 8
  ret void
}

define void @storeStructOfArrayOfA({ [1 x %A] }* %saa.ptr) {
; CHECK-LABEL: storeStructOfArrayOfA
; CHECK-NEXT: [[GEP:%[a-z0-9\.]+]] = getelementptr inbounds { [1 x %A] }, { [1 x %A] }* %saa.ptr, i64 0, i32 0, i64 0, i32 0
; CHECK-NEXT: store %A__vtbl* @A__vtblZ, %A__vtbl** [[GEP]], align 8
; CHECK-NEXT: ret void
  store { [1 x %A] } { [1 x %A] [%A { %A__vtbl* @A__vtblZ }] }, { [1 x %A] }* %saa.ptr, align 8
  ret void
}

define %A @loadA(%A* %a.ptr) {
; CHECK-LABEL: loadA
; CHECK-NEXT: [[GEP:%[a-z0-9\.]+]] = getelementptr inbounds %A, %A* %a.ptr, i64 0, i32 0
; CHECK-NEXT: [[LOAD:%[a-z0-9\.]+]] = load %A__vtbl*, %A__vtbl** [[GEP]], align 8
; CHECK-NEXT: [[IV:%[a-z0-9\.]+]] = insertvalue %A undef, %A__vtbl* [[LOAD]], 0
; CHECK-NEXT: ret %A [[IV]]
  %1 = load %A, %A* %a.ptr, align 8
  ret %A %1
}

define %B @loadB(%B* %b.ptr) {
; CHECK-LABEL: loadB
; CHECK-NEXT: [[GEP1:%[a-z0-9\.]+]] = getelementptr inbounds %B, %B* %b.ptr, i64 0, i32 0
; CHECK-NEXT: [[LOAD1:%[a-z0-9\.]+]] = load i8*, i8** [[GEP1]], align 8
; CHECK-NEXT: [[IV1:%[a-z0-9\.]+]] = insertvalue %B undef, i8* [[LOAD1]], 0
; CHECK-NEXT: [[GEP2:%[a-z0-9\.]+]] = getelementptr inbounds %B, %B* %b.ptr, i64 0, i32 1
; CHECK-NEXT: [[LOAD2:%[a-z0-9\.]+]] = load i64, i64* [[GEP2]], align 8
; CHECK-NEXT: [[IV2:%[a-z0-9\.]+]] = insertvalue %B [[IV1]], i64 [[LOAD2]], 1
; CHECK-NEXT: ret %B [[IV2]]
  %1 = load %B, %B* %b.ptr, align 8
  ret %B %1
}

define { %A } @loadStructOfA({ %A }* %sa.ptr) {
; CHECK-LABEL: loadStructOfA
; CHECK-NEXT: [[GEP:%[a-z0-9\.]+]] = getelementptr inbounds { %A }, { %A }* %sa.ptr, i64 0, i32 0, i32 0
; CHECK-NEXT: [[LOAD:%[a-z0-9\.]+]] = load %A__vtbl*, %A__vtbl** [[GEP]], align 8
; CHECK-NEXT: [[IV1:%[a-z0-9\.]+]] = insertvalue %A undef, %A__vtbl* [[LOAD]], 0
; CHECK-NEXT: [[IV2:%[a-z0-9\.]+]] = insertvalue { %A } undef, %A [[IV1]], 0
; CHECK-NEXT: ret { %A } [[IV2]]
  %1 = load { %A }, { %A }* %sa.ptr, align 8
  ret { %A } %1
}

define [1 x %A] @loadArrayOfA([1 x %A]* %aa.ptr) {
; CHECK-LABEL: loadArrayOfA
; CHECK-NEXT: [[GEP:%[a-z0-9\.]+]] = getelementptr inbounds [1 x %A], [1 x %A]* %aa.ptr, i64 0, i64 0, i32 0
; CHECK-NEXT: [[LOAD:%[a-z0-9\.]+]] = load %A__vtbl*, %A__vtbl** [[GEP]], align 8
; CHECK-NEXT: [[IV1:%[a-z0-9\.]+]] = insertvalue %A undef, %A__vtbl* [[LOAD]], 0
; CHECK-NEXT: [[IV2:%[a-z0-9\.]+]] = insertvalue [1 x %A] undef, %A [[IV1]], 0
; CHECK-NEXT: ret [1 x %A] [[IV2]]
  %1 = load [1 x %A], [1 x %A]* %aa.ptr, align 8
  ret [1 x %A] %1
}

define { [1 x %A] } @loadStructOfArrayOfA({ [1 x %A] }* %saa.ptr) {
; CHECK-LABEL: loadStructOfArrayOfA
; CHECK-NEXT: [[GEP:%[a-z0-9\.]+]] = getelementptr inbounds { [1 x %A] }, { [1 x %A] }* %saa.ptr, i64 0, i32 0, i64 0, i32 0
; CHECK-NEXT: [[LOAD:%[a-z0-9\.]+]] = load %A__vtbl*, %A__vtbl** [[GEP]], align 8
; CHECK-NEXT: [[IV1:%[a-z0-9\.]+]] = insertvalue %A undef, %A__vtbl* [[LOAD]], 0
; CHECK-NEXT: [[IV2:%[a-z0-9\.]+]] = insertvalue [1 x %A] undef, %A [[IV1]], 0
; CHECK-NEXT: [[IV3:%[a-z0-9\.]+]] = insertvalue { [1 x %A] } undef, [1 x %A] [[IV2]], 0
; CHECK-NEXT: ret { [1 x %A] } [[IV3]]
  %1 = load { [1 x %A] }, { [1 x %A] }* %saa.ptr, align 8
  ret { [1 x %A] } %1
}

define { %A } @structOfA({ %A }* %sa.ptr) {
; CHECK-LABEL: structOfA
; CHECK-NEXT: [[GEP:%[a-z0-9\.]+]] = getelementptr inbounds { %A }, { %A }* %sa.ptr, i64 0, i32 0, i32 0
; CHECK-NEXT: store %A__vtbl* @A__vtblZ, %A__vtbl** [[GEP]], align 8
; CHECK-NEXT: ret { %A } { %A { %A__vtbl* @A__vtblZ } }
  store { %A } { %A { %A__vtbl* @A__vtblZ } }, { %A }* %sa.ptr, align 8
  %1 = load { %A }, { %A }* %sa.ptr, align 8
  ret { %A } %1
}

define %B @structB(%B* %b.ptr) {
; CHECK-LABEL: structB
; CHECK-NEXT: [[GEP1:%[a-z0-9\.]+]] = getelementptr inbounds %B, %B* %b.ptr, i64 0, i32 0
; CHECK-NEXT: store i8* null, i8** [[GEP1]], align 8
; CHECK-NEXT: [[GEP2:%[a-z0-9\.]+]] = getelementptr inbounds %B, %B* %b.ptr, i64 0, i32 1
; CHECK-NEXT: store i64 42, i64* [[GEP2]], align 8
; CHECK-NEXT: ret %B { i8* null, i64 42 }
  store %B { i8* null, i64 42 }, %B* %b.ptr, align 8
  %1 = load %B, %B* %b.ptr, align 8
  ret %B %1
}
OpenPOWER on IntegriCloud