summaryrefslogtreecommitdiffstats
path: root/llvm/test/Transforms/CodeGenPrepare/AArch64/large-offset-gep.ll
blob: 005ea37288ceb362299609e24c44f86e11ffa2fe (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
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
; RUN: llc -mtriple=aarch64-linux-gnu -verify-machineinstrs -o - %s | FileCheck %s

%struct_type = type { [10000 x i32], i32, i32 }

define void @test1(%struct_type** %s, i32 %n) {
; CHECK-LABEL: test1
entry:
  %struct = load %struct_type*, %struct_type** %s
  br label %while_cond

while_cond:
  %phi = phi i32 [ 0, %entry ], [ %i, %while_body ]
; CHECK:     mov     w{{[0-9]+}}, #40000
; CHECK-NOT: mov     w{{[0-9]+}}, #40004
  %gep0 = getelementptr %struct_type, %struct_type* %struct, i64 0, i32 1
  %gep1 = getelementptr %struct_type, %struct_type* %struct, i64 0, i32 2
  %cmp = icmp slt i32 %phi, %n
  br i1 %cmp, label %while_body, label %while_end

while_body:
; CHECK:     str      w{{[0-9]+}}, [x{{[0-9]+}}, #4]
  %i = add i32 %phi, 1
  store i32 %i, i32* %gep0
  store i32 %phi, i32* %gep1
  br label %while_cond

while_end:
  ret void
}

define void @test2(%struct_type* %struct, i32 %n) {
; CHECK-LABEL: test2
entry:
  %cmp = icmp eq %struct_type* %struct, null
  br i1 %cmp, label %while_end, label %while_cond

while_cond:
  %phi = phi i32 [ 0, %entry ], [ %i, %while_body ]
; CHECK:     mov     w{{[0-9]+}}, #40000
; CHECK-NOT: mov     w{{[0-9]+}}, #40004
  %gep0 = getelementptr %struct_type, %struct_type* %struct, i64 0, i32 1
  %gep1 = getelementptr %struct_type, %struct_type* %struct, i64 0, i32 2
  %cmp1 = icmp slt i32 %phi, %n
  br i1 %cmp1, label %while_body, label %while_end

while_body:
; CHECK:     str      w{{[0-9]+}}, [x{{[0-9]+}}, #4]
  %i = add i32 %phi, 1
  store i32 %i, i32* %gep0
  store i32 %phi, i32* %gep1
  br label %while_cond

while_end:
  ret void
}

define void @test3(%struct_type* %s1, %struct_type* %s2, i1 %cond, i32 %n) {
; CHECK-LABEL: test3
entry:
  br i1 %cond, label %if_true, label %if_end

if_true:
  br label %if_end

if_end:
  %struct = phi %struct_type* [ %s1, %entry ], [ %s2, %if_true ]
  %cmp = icmp eq %struct_type* %struct, null
  br i1 %cmp, label %while_end, label %while_cond

while_cond:
  %phi = phi i32 [ 0, %if_end ], [ %i, %while_body ]
; CHECK:     mov     w{{[0-9]+}}, #40000
; CHECK-NOT: mov     w{{[0-9]+}}, #40004
  %gep0 = getelementptr %struct_type, %struct_type* %struct, i64 0, i32 1
  %gep1 = getelementptr %struct_type, %struct_type* %struct, i64 0, i32 2
  %cmp1 = icmp slt i32 %phi, %n
  br i1 %cmp1, label %while_body, label %while_end

while_body:
; CHECK:     str      w{{[0-9]+}}, [x{{[0-9]+}}, #4]
  %i = add i32 %phi, 1
  store i32 %i, i32* %gep0
  store i32 %phi, i32* %gep1
  br label %while_cond

while_end:
  ret void
}

declare %struct_type* @foo()
declare void @foo2()

define void @test4(i32 %n) personality i32 (...)* @__FrameHandler {
; CHECK-LABEL: test4
entry:
  br label %while_cond

while_cond:
  %phi = phi i32 [ 0, %entry ], [ %i, %while_body ]
  %struct = invoke %struct_type* @foo() to label %while_cond_x unwind label %cleanup

while_cond_x:
; CHECK:     mov     w{{[0-9]+}}, #40000
; CHECK-NOT: mov     w{{[0-9]+}}, #40004
  %gep0 = getelementptr %struct_type, %struct_type* %struct, i64 0, i32 1
  %gep1 = getelementptr %struct_type, %struct_type* %struct, i64 0, i32 2
  store i32 0, i32* %gep0
  %cmp = icmp slt i32 %phi, %n
  br i1 %cmp, label %while_body, label %while_end

while_body:
; CHECK:     str      w{{[0-9]+}}, [x{{[0-9]+}}, #4]
  %i = add i32 %phi, 1
  store i32 %i, i32* %gep0
  store i32 %phi, i32* %gep1
  br label %while_cond

while_end:
  ret void

cleanup:
  %x10 = landingpad { i8*, i32 }
          cleanup
  call void @foo2()
  resume { i8*, i32 } %x10
}

declare i32 @__FrameHandler(...)

define void @test5([65536 x i32]** %s, i32 %n) {
; CHECK-LABEL: test5
entry:
  %struct = load [65536 x i32]*, [65536 x i32]** %s
  br label %while_cond

while_cond:
  %phi = phi i32 [ 0, %entry ], [ %i, %while_body ]
; CHECK:     mov     w{{[0-9]+}}, #14464
; CHECK-NOT: mov     w{{[0-9]+}}, #14468
  %gep0 = getelementptr [65536 x i32], [65536 x i32]* %struct, i64 0, i32 20000
  %gep1 = getelementptr [65536 x i32], [65536 x i32]* %struct, i64 0, i32 20001
  %cmp = icmp slt i32 %phi, %n
  br i1 %cmp, label %while_body, label %while_end

while_body:
; CHECK:     str      w{{[0-9]+}}, [x{{[0-9]+}}, #4]
  %i = add i32 %phi, 1
  store i32 %i, i32* %gep0
  store i32 %phi, i32* %gep1
  br label %while_cond

while_end:
  ret void
}

declare i8* @llvm.strip.invariant.group.p0i8(i8*)

define void @test_invariant_group(i32) {
; CHECK-LABEL: test_invariant_group
  br i1 undef, label %8, label %7

; <label>:2:                                      ; preds = %8, %2
  br i1 undef, label %2, label %7

; <label>:3:                                      ; preds = %8
  %4 = getelementptr inbounds i8, i8* %9, i32 40000
  %5 = bitcast i8* %4 to i64*
  br i1 undef, label %7, label %6

; <label>:6:                                      ; preds = %3
  store i64 1, i64* %5, align 8
  br label %7

; <label>:7:                                      ; preds = %6, %3, %2, %1
  ret void

; <label>:8:                                      ; preds = %1
  %9 = call i8* @llvm.strip.invariant.group.p0i8(i8* nonnull undef)
  %10 = icmp eq i32 %0, 0
  br i1 %10, label %3, label %2
}

OpenPOWER on IntegriCloud