summaryrefslogtreecommitdiffstats
path: root/llvm/test/Transforms/InstCombine/X86/X86FsubCmpCombine.ll
blob: fde0692d00a250510ffc62986033692b88b97390 (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
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s

; The test checks the folding of cmp(sub(a,b),0) into cmp(a,b).

define i8 @sub_compare_foldingPD128_safe(<2 x double> %a, <2 x double> %b){
; CHECK-LABEL: @sub_compare_foldingPD128_safe(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[SUB_SAFE:%.*]] = fsub <2 x double> [[A:%.*]], [[B:%.*]]
; CHECK-NEXT:    [[TMP0:%.*]] = tail call i8 @llvm.x86.avx512.mask.cmp.pd.128(<2 x double> [[SUB_SAFE]], <2 x double> zeroinitializer, i32 5, i8 -1)
; CHECK-NEXT:    ret i8 [[TMP0]]
;
entry:
  %sub.safe = fsub <2 x double> %a, %b
  %0 = tail call i8 @llvm.x86.avx512.mask.cmp.pd.128(<2 x double> %sub.safe , <2 x double> zeroinitializer, i32 5, i8 -1)
  ret i8 %0
}


define i8 @sub_compare_foldingPD128(<2 x double> %a, <2 x double> %b){
; CHECK-LABEL: @sub_compare_foldingPD128(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TMP0:%.*]] = tail call i8 @llvm.x86.avx512.mask.cmp.pd.128(<2 x double> [[A:%.*]], <2 x double> [[B:%.*]], i32 5, i8 -1)
; CHECK-NEXT:    ret i8 [[TMP0]]
;
entry:
  %sub.i = fsub ninf <2 x double> %a, %b
  %0 = tail call i8 @llvm.x86.avx512.mask.cmp.pd.128(<2 x double> %sub.i , <2 x double> zeroinitializer, i32 5, i8 -1)
  ret i8 %0
}


define i8 @sub_compare_foldingPD256(<4 x double> %a, <4 x double> %b){
; CHECK-LABEL: @sub_compare_foldingPD256(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TMP0:%.*]] = tail call i8 @llvm.x86.avx512.mask.cmp.pd.256(<4 x double> [[A:%.*]], <4 x double> [[B:%.*]], i32 5, i8 -1)
; CHECK-NEXT:    ret i8 [[TMP0]]
;
entry:
  %sub.i1 = fsub ninf <4 x double> %a, %b
  %0 = tail call i8 @llvm.x86.avx512.mask.cmp.pd.256(<4 x double> %sub.i1, <4 x double> zeroinitializer, i32 5, i8 -1)
  ret i8 %0
}


define i8 @sub_compare_foldingPD512(<8 x double> %a, <8 x double> %b){
; CHECK-LABEL: @sub_compare_foldingPD512(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TMP0:%.*]] = tail call i8 @llvm.x86.avx512.mask.cmp.pd.512(<8 x double> [[A:%.*]], <8 x double> [[B:%.*]], i32 11, i8 -1, i32 4)
; CHECK-NEXT:    ret i8 [[TMP0]]
;
entry:
  %sub.i2 = fsub ninf <8 x double> %a, %b
  %0 = tail call i8 @llvm.x86.avx512.mask.cmp.pd.512(<8 x double> %sub.i2, <8 x double> zeroinitializer, i32 11, i8 -1, i32 4)
  ret i8 %0
}


define i8 @sub_compare_foldingPS128(<4 x float> %a, <4 x float> %b){
; CHECK-LABEL: @sub_compare_foldingPS128(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TMP0:%.*]] = tail call i8 @llvm.x86.avx512.mask.cmp.ps.128(<4 x float> [[A:%.*]], <4 x float> [[B:%.*]], i32 12, i8 -1)
; CHECK-NEXT:    ret i8 [[TMP0]]
;
entry:
  %sub.i3 = fsub ninf <4 x float> %a, %b
  %0 = tail call i8 @llvm.x86.avx512.mask.cmp.ps.128(<4 x float> %sub.i3, <4 x float> zeroinitializer, i32 12, i8 -1)
  ret i8 %0
}


define i8 @sub_compare_foldingPS256(<8 x float> %a, <8 x float> %b){
; CHECK-LABEL: @sub_compare_foldingPS256(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TMP0:%.*]] = tail call i8 @llvm.x86.avx512.mask.cmp.ps.256(<8 x float> [[A:%.*]], <8 x float> [[B:%.*]], i32 5, i8 -1)
; CHECK-NEXT:    ret i8 [[TMP0]]
;
entry:
  %sub.i4 = fsub ninf <8 x float> %a, %b
  %0 = tail call i8 @llvm.x86.avx512.mask.cmp.ps.256(<8 x float> %sub.i4, <8 x float> zeroinitializer, i32 5, i8 -1)
  ret i8 %0
}


define i16 @sub_compare_foldingPS512(<16 x float> %a, <16 x float> %b){
; CHECK-LABEL: @sub_compare_foldingPS512(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TMP0:%.*]] = tail call i16 @llvm.x86.avx512.mask.cmp.ps.512(<16 x float> [[A:%.*]], <16 x float> [[B:%.*]], i32 11, i16 -1, i32 4)
; CHECK-NEXT:    ret i16 [[TMP0]]
;
entry:
  %sub.i5 = fsub ninf <16 x float> %a, %b
  %0 = tail call i16 @llvm.x86.avx512.mask.cmp.ps.512(<16 x float> %sub.i5, <16 x float> zeroinitializer, i32 11, i16 -1, i32 4)
  ret i16 %0
}



define i8 @sub_compare_folding_swapPD128(<2 x double> %a, <2 x double> %b){
; CHECK-LABEL: @sub_compare_folding_swapPD128(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TMP0:%.*]] = tail call i8 @llvm.x86.avx512.mask.cmp.pd.128(<2 x double> [[B:%.*]], <2 x double> [[A:%.*]], i32 5, i8 -1)
; CHECK-NEXT:    ret i8 [[TMP0]]
;
entry:
  %sub.i = fsub ninf <2 x double> %a, %b
  %0 = tail call i8 @llvm.x86.avx512.mask.cmp.pd.128(<2 x double> zeroinitializer, <2 x double> %sub.i, i32 5, i8 -1)
  ret i8 %0
}


define i8 @sub_compare_folding_swapPD256(<4 x double> %a, <4 x double> %b){
; CHECK-LABEL: @sub_compare_folding_swapPD256(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TMP0:%.*]] = tail call i8 @llvm.x86.avx512.mask.cmp.pd.256(<4 x double> [[B:%.*]], <4 x double> [[A:%.*]], i32 5, i8 -1)
; CHECK-NEXT:    ret i8 [[TMP0]]
;
entry:
  %sub.i = fsub ninf <4 x double> %a, %b
  %0 = tail call i8 @llvm.x86.avx512.mask.cmp.pd.256(<4 x double> zeroinitializer, <4 x double> %sub.i, i32 5, i8 -1)
  ret i8 %0
}


define i8 @sub_compare_folding_swapPD512(<8 x double> %a, <8 x double> %b){
; CHECK-LABEL: @sub_compare_folding_swapPD512(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TMP0:%.*]] = tail call i8 @llvm.x86.avx512.mask.cmp.pd.512(<8 x double> [[B:%.*]], <8 x double> [[A:%.*]], i32 11, i8 -1, i32 4)
; CHECK-NEXT:    ret i8 [[TMP0]]
;
entry:
  %sub.i = fsub ninf <8 x double> %a, %b
  %0 = tail call i8 @llvm.x86.avx512.mask.cmp.pd.512(<8 x double> zeroinitializer, <8 x double> %sub.i, i32 11, i8 -1, i32 4)
  ret i8 %0
}


define i8 @sub_compare_folding_swapPS128(<4 x float> %a, <4 x float> %b){
; CHECK-LABEL: @sub_compare_folding_swapPS128(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TMP0:%.*]] = tail call i8 @llvm.x86.avx512.mask.cmp.ps.128(<4 x float> [[B:%.*]], <4 x float> [[A:%.*]], i32 12, i8 -1)
; CHECK-NEXT:    ret i8 [[TMP0]]
;
entry:
  %sub.i = fsub ninf <4 x float> %a, %b
  %0 = tail call i8 @llvm.x86.avx512.mask.cmp.ps.128(<4 x float> zeroinitializer, <4 x float> %sub.i, i32 12, i8 -1)
  ret i8 %0
}


define i8 @sub_compare_folding_swapPS256(<8 x float> %a, <8 x float> %b){
; CHECK-LABEL: @sub_compare_folding_swapPS256(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TMP0:%.*]] = tail call i8 @llvm.x86.avx512.mask.cmp.ps.256(<8 x float> [[B:%.*]], <8 x float> [[A:%.*]], i32 5, i8 -1)
; CHECK-NEXT:    ret i8 [[TMP0]]
;
entry:
  %sub.i = fsub ninf <8 x float> %a, %b
  %0 = tail call i8 @llvm.x86.avx512.mask.cmp.ps.256(<8 x float> zeroinitializer, <8 x float> %sub.i, i32 5, i8 -1)
  ret i8 %0
}


define i16 @sub_compare_folding_swapPS512(<16 x float> %a, <16 x float> %b){
; CHECK-LABEL: @sub_compare_folding_swapPS512(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TMP0:%.*]] = tail call i16 @llvm.x86.avx512.mask.cmp.ps.512(<16 x float> [[B:%.*]], <16 x float> [[A:%.*]], i32 11, i16 -1, i32 4)
; CHECK-NEXT:    ret i16 [[TMP0]]
;
entry:
  %sub.i = fsub ninf <16 x float> %a, %b
  %0 = tail call i16 @llvm.x86.avx512.mask.cmp.ps.512(<16 x float> zeroinitializer, <16 x float> %sub.i, i32 11, i16 -1, i32 4)
  ret i16 %0
}

declare i8 @llvm.x86.avx512.mask.cmp.pd.128(<2 x double>, <2 x double>, i32, i8)
declare i8 @llvm.x86.avx512.mask.cmp.pd.256(<4 x double>, <4 x double>, i32, i8)
declare i8 @llvm.x86.avx512.mask.cmp.pd.512(<8 x double>, <8 x double>, i32, i8, i32)
declare i8 @llvm.x86.avx512.mask.cmp.ps.128(<4 x float>, <4 x float>, i32, i8)
declare i8 @llvm.x86.avx512.mask.cmp.ps.256(<8 x float>, <8 x float>, i32, i8)
declare i16 @llvm.x86.avx512.mask.cmp.ps.512(<16 x float>, <16 x float>, i32, i16, i32)
OpenPOWER on IntegriCloud