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
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals none --version 6
; RUN: opt -p loop-vectorize -force-vector-width=2 -force-widen-divrem-via-safe-divisor=false -S %s | FileCheck %s
define void @multiple_vppredinstphi_with_same_predicate(ptr %A, i32 %d) {
; CHECK-LABEL: define void @multiple_vppredinstphi_with_same_predicate(
; CHECK-SAME: ptr [[A:%.*]], i32 [[D:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: br label %[[VECTOR_PH:.*]]
; CHECK: [[VECTOR_PH]]:
; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK: [[VECTOR_BODY]]:
; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[PRED_SDIV_CONTINUE2:.*]] ]
; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[INDEX]]
; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <2 x i32>, ptr [[TMP0]], align 4
; CHECK-NEXT: [[TMP1:%.*]] = icmp sgt <2 x i32> [[WIDE_LOAD]], zeroinitializer
; CHECK-NEXT: [[TMP2:%.*]] = extractelement <2 x i1> [[TMP1]], i32 0
; CHECK-NEXT: br i1 [[TMP2]], label %[[PRED_SDIV_IF:.*]], label %[[PRED_SDIV_CONTINUE:.*]]
; CHECK: [[PRED_SDIV_IF]]:
; CHECK-NEXT: [[TMP3:%.*]] = sdiv i32 -10, [[D]]
; CHECK-NEXT: [[TMP4:%.*]] = insertelement <2 x i32> poison, i32 [[TMP3]], i32 0
; CHECK-NEXT: br label %[[PRED_SDIV_CONTINUE]]
; CHECK: [[PRED_SDIV_CONTINUE]]:
; CHECK-NEXT: [[TMP5:%.*]] = phi <2 x i32> [ poison, %[[VECTOR_BODY]] ], [ [[TMP4]], %[[PRED_SDIV_IF]] ]
; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x i1> [[TMP1]], i32 1
; CHECK-NEXT: br i1 [[TMP6]], label %[[PRED_SDIV_IF1:.*]], label %[[PRED_SDIV_CONTINUE2]]
; CHECK: [[PRED_SDIV_IF1]]:
; CHECK-NEXT: [[TMP7:%.*]] = sdiv i32 -10, [[D]]
; CHECK-NEXT: [[TMP8:%.*]] = insertelement <2 x i32> [[TMP5]], i32 [[TMP7]], i32 1
; CHECK-NEXT: br label %[[PRED_SDIV_CONTINUE2]]
; CHECK: [[PRED_SDIV_CONTINUE2]]:
; CHECK-NEXT: [[TMP9:%.*]] = phi <2 x i32> [ [[TMP5]], %[[PRED_SDIV_CONTINUE]] ], [ [[TMP8]], %[[PRED_SDIV_IF1]] ]
; CHECK-NEXT: [[TMP10:%.*]] = add <2 x i32> [[TMP9]], [[TMP9]]
; CHECK-NEXT: [[PREDPHI:%.*]] = select <2 x i1> [[TMP1]], <2 x i32> [[TMP10]], <2 x i32> zeroinitializer
; CHECK-NEXT: store <2 x i32> [[PREDPHI]], ptr [[TMP0]], align 4
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
; CHECK-NEXT: [[TMP11:%.*]] = icmp eq i32 [[INDEX_NEXT]], 100
; CHECK-NEXT: br i1 [[TMP11]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
; CHECK: [[MIDDLE_BLOCK]]:
; CHECK-NEXT: br label %[[EXIT:.*]]
; CHECK: [[EXIT]]:
; CHECK-NEXT: ret void
;
entry:
br label %loop.header
loop.header:
%iv = phi i32 [ 0, %entry ], [ %iv.next, %loop.latch ]
%gep.A = getelementptr inbounds i32, ptr %A, i32 %iv
%l = load i32, ptr %gep.A
%c = icmp sgt i32 %l, 0
br i1 %c, label %then, label %loop.latch
then:
%div.0 = sdiv i32 -10, %d
%div.1 = sdiv i32 -10, %d
%add = add i32 %div.1, %div.0
br label %loop.latch
loop.latch:
%merge = phi i32 [ %add, %then ], [ 0, %loop.header ]
store i32 %merge, ptr %gep.A
%iv.next = add i32 %iv, 1
%ec = icmp eq i32 %iv.next, 100
br i1 %ec, label %exit, label %loop.header
exit:
ret void
}
define void @multiple_vppredinstphi_with_different_predicate(ptr %A, i32 %d) {
; CHECK-LABEL: define void @multiple_vppredinstphi_with_different_predicate(
; CHECK-SAME: ptr [[A:%.*]], i32 [[D:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: br label %[[VECTOR_PH:.*]]
; CHECK: [[VECTOR_PH]]:
; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK: [[VECTOR_BODY]]:
; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[PRED_SDIV_CONTINUE6:.*]] ]
; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[INDEX]]
; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <2 x i32>, ptr [[TMP0]], align 4
; CHECK-NEXT: [[TMP1:%.*]] = icmp sgt <2 x i32> [[WIDE_LOAD]], zeroinitializer
; CHECK-NEXT: [[TMP2:%.*]] = extractelement <2 x i1> [[TMP1]], i32 0
; CHECK-NEXT: br i1 [[TMP2]], label %[[PRED_SDIV_IF:.*]], label %[[PRED_SDIV_CONTINUE:.*]]
; CHECK: [[PRED_SDIV_IF]]:
; CHECK-NEXT: [[TMP3:%.*]] = sdiv i32 -10, [[D]]
; CHECK-NEXT: [[TMP4:%.*]] = insertelement <2 x i32> poison, i32 [[TMP3]], i32 0
; CHECK-NEXT: br label %[[PRED_SDIV_CONTINUE]]
; CHECK: [[PRED_SDIV_CONTINUE]]:
; CHECK-NEXT: [[TMP5:%.*]] = phi <2 x i32> [ poison, %[[VECTOR_BODY]] ], [ [[TMP4]], %[[PRED_SDIV_IF]] ]
; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x i1> [[TMP1]], i32 1
; CHECK-NEXT: br i1 [[TMP6]], label %[[PRED_SDIV_IF1:.*]], label %[[PRED_SDIV_CONTINUE2:.*]]
; CHECK: [[PRED_SDIV_IF1]]:
; CHECK-NEXT: [[TMP7:%.*]] = sdiv i32 -10, [[D]]
; CHECK-NEXT: [[TMP8:%.*]] = insertelement <2 x i32> [[TMP5]], i32 [[TMP7]], i32 1
; CHECK-NEXT: br label %[[PRED_SDIV_CONTINUE2]]
; CHECK: [[PRED_SDIV_CONTINUE2]]:
; CHECK-NEXT: [[TMP9:%.*]] = phi <2 x i32> [ [[TMP5]], %[[PRED_SDIV_CONTINUE]] ], [ [[TMP8]], %[[PRED_SDIV_IF1]] ]
; CHECK-NEXT: [[TMP10:%.*]] = xor <2 x i1> [[TMP1]], splat (i1 true)
; CHECK-NEXT: [[TMP11:%.*]] = or <2 x i1> [[TMP1]], [[TMP10]]
; CHECK-NEXT: [[PREDPHI:%.*]] = select <2 x i1> [[TMP1]], <2 x i32> [[TMP9]], <2 x i32> zeroinitializer
; CHECK-NEXT: [[TMP12:%.*]] = icmp sgt <2 x i32> [[WIDE_LOAD]], splat (i32 20)
; CHECK-NEXT: [[TMP13:%.*]] = select <2 x i1> [[TMP11]], <2 x i1> [[TMP12]], <2 x i1> zeroinitializer
; CHECK-NEXT: [[TMP14:%.*]] = extractelement <2 x i1> [[TMP13]], i32 0
; CHECK-NEXT: br i1 [[TMP14]], label %[[PRED_SDIV_IF3:.*]], label %[[PRED_SDIV_CONTINUE4:.*]]
; CHECK: [[PRED_SDIV_IF3]]:
; CHECK-NEXT: [[TMP15:%.*]] = sdiv i32 -10, [[D]]
; CHECK-NEXT: [[TMP16:%.*]] = insertelement <2 x i32> poison, i32 [[TMP15]], i32 0
; CHECK-NEXT: br label %[[PRED_SDIV_CONTINUE4]]
; CHECK: [[PRED_SDIV_CONTINUE4]]:
; CHECK-NEXT: [[TMP17:%.*]] = phi <2 x i32> [ poison, %[[PRED_SDIV_CONTINUE2]] ], [ [[TMP16]], %[[PRED_SDIV_IF3]] ]
; CHECK-NEXT: [[TMP18:%.*]] = extractelement <2 x i1> [[TMP13]], i32 1
; CHECK-NEXT: br i1 [[TMP18]], label %[[PRED_SDIV_IF5:.*]], label %[[PRED_SDIV_CONTINUE6]]
; CHECK: [[PRED_SDIV_IF5]]:
; CHECK-NEXT: [[TMP19:%.*]] = sdiv i32 -10, [[D]]
; CHECK-NEXT: [[TMP20:%.*]] = insertelement <2 x i32> [[TMP17]], i32 [[TMP19]], i32 1
; CHECK-NEXT: br label %[[PRED_SDIV_CONTINUE6]]
; CHECK: [[PRED_SDIV_CONTINUE6]]:
; CHECK-NEXT: [[TMP21:%.*]] = phi <2 x i32> [ [[TMP17]], %[[PRED_SDIV_CONTINUE4]] ], [ [[TMP20]], %[[PRED_SDIV_IF5]] ]
; CHECK-NEXT: [[PREDPHI7:%.*]] = select <2 x i1> [[TMP12]], <2 x i32> [[TMP21]], <2 x i32> zeroinitializer
; CHECK-NEXT: [[TMP22:%.*]] = add <2 x i32> [[PREDPHI]], [[PREDPHI7]]
; CHECK-NEXT: store <2 x i32> [[TMP22]], ptr [[TMP0]], align 4
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
; CHECK-NEXT: [[TMP23:%.*]] = icmp eq i32 [[INDEX_NEXT]], 100
; CHECK-NEXT: br i1 [[TMP23]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]]
; CHECK: [[MIDDLE_BLOCK]]:
; CHECK-NEXT: br label %[[EXIT:.*]]
; CHECK: [[EXIT]]:
; CHECK-NEXT: ret void
;
entry:
br label %loop.header
loop.header:
%iv = phi i32 [ 0, %entry ], [ %iv.next, %loop.latch ]
%gep.A = getelementptr inbounds i32, ptr %A, i32 %iv
%l = load i32, ptr %gep.A
%c.0 = icmp sgt i32 %l, 0
br i1 %c.0, label %then.0, label %continue
then.0:
%div.0 = sdiv i32 -10, %d
br label %continue
continue:
%merge.0 = phi i32 [ %div.0, %then.0 ], [ 0, %loop.header ]
%c.1 = icmp sgt i32 %l, 20
br i1 %c.1, label %then.1, label %loop.latch
then.1:
%div.1 = sdiv i32 -10, %d
br label %loop.latch
loop.latch:
%merge.1 = phi i32 [ %div.1, %then.1 ], [ 0, %continue ]
%add = add i32 %merge.0, %merge.1
store i32 %add, ptr %gep.A
%iv.next = add i32 %iv, 1
%ec = icmp eq i32 %iv.next, 100
br i1 %ec, label %exit, label %loop.header
exit:
ret void
}
|