aboutsummaryrefslogtreecommitdiffstats
path: root/test/Transforms/InstCombine/vector-casts.ll
blob: 7bbf53c270f48bd6789238973776e47840621987 (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
; RUN: opt < %s -instcombine -S | FileCheck %s

; This turns into a&1 != 0
define <2 x i1> @test1(<2 x i64> %a) {
  %t = trunc <2 x i64> %a to <2 x i1>
  ret <2 x i1> %t

; CHECK: @test1
; CHECK:   and <2 x i64> %a, <i64 1, i64 1>
; CHECK:   icmp ne <2 x i64> %1, zeroinitializer
}

; The ashr turns into an lshr.
define <2 x i64> @test2(<2 x i64> %a) {
  %b = and <2 x i64> %a, <i64 65535, i64 65535>
  %t = ashr <2 x i64> %b, <i64 1, i64 1>
  ret <2 x i64> %t

; CHECK: @test2
; CHECK:   and <2 x i64> %a, <i64 65535, i64 65535>
; CHECK:   lshr <2 x i64> %b, <i64 1, i64 1>
}



define <2 x i64> @test3(<4 x float> %a, <4 x float> %b) nounwind readnone {
entry:
	%cmp = fcmp ord <4 x float> %a, zeroinitializer	
	%sext = sext <4 x i1> %cmp to <4 x i32>	
	%cmp4 = fcmp ord <4 x float> %b, zeroinitializer
	%sext5 = sext <4 x i1> %cmp4 to <4 x i32>
	%and = and <4 x i32> %sext, %sext5
	%conv = bitcast <4 x i32> %and to <2 x i64>
	ret <2 x i64> %conv
        
; CHECK: @test3
; CHECK:   fcmp ord <4 x float> %a, %b
}

define <2 x i64> @test4(<4 x float> %a, <4 x float> %b) nounwind readnone {
entry:
	%cmp = fcmp uno <4 x float> %a, zeroinitializer
	%sext = sext <4 x i1> %cmp to <4 x i32>
	%cmp4 = fcmp uno <4 x float> %b, zeroinitializer
	%sext5 = sext <4 x i1> %cmp4 to <4 x i32>
	%or = or <4 x i32> %sext, %sext5
	%conv = bitcast <4 x i32> %or to <2 x i64>
	ret <2 x i64> %conv
; CHECK: @test4
; CHECK:   fcmp uno <4 x float> %a, %b
}


; rdar://7434900
define <2 x i64> @test5(<4 x float> %a, <4 x float> %b) nounwind readnone {
entry:
	%cmp = fcmp ult <4 x float> %a, zeroinitializer	
	%sext = sext <4 x i1> %cmp to <4 x i32>	
	%cmp4 = fcmp ult <4 x float> %b, zeroinitializer
	%sext5 = sext <4 x i1> %cmp4 to <4 x i32>
	%and = and <4 x i32> %sext, %sext5
	%conv = bitcast <4 x i32> %and to <2 x i64>
	ret <2 x i64> %conv
        
; CHECK: @test5
; CHECK:   sext <4 x i1> %cmp to <4 x i32>	
; CHECK:   sext <4 x i1> %cmp4 to <4 x i32>	
}


define void @convert(<2 x i32>* %dst.addr, <2 x i64> %src) nounwind {
entry:
  %val = trunc <2 x i64> %src to <2 x i32>
  %add = add <2 x i32> %val, <i32 1, i32 1>
  store <2 x i32> %add, <2 x i32>* %dst.addr
  ret void
}

define <2 x i65> @foo(<2 x i64> %t) {
  %a = trunc <2 x i64> %t to <2 x i32>
  %b = zext <2 x i32> %a to <2 x i65>
  ret <2 x i65> %b
}
define <2 x i64> @bar(<2 x i65> %t) {
  %a = trunc <2 x i65> %t to <2 x i32>
  %b = zext <2 x i32> %a to <2 x i64>
  ret <2 x i64> %b
}
define <2 x i65> @foos(<2 x i64> %t) {
  %a = trunc <2 x i64> %t to <2 x i32>
  %b = sext <2 x i32> %a to <2 x i65>
  ret <2 x i65> %b
}
define <2 x i64> @bars(<2 x i65> %t) {
  %a = trunc <2 x i65> %t to <2 x i32>
  %b = sext <2 x i32> %a to <2 x i64>
  ret <2 x i64> %b
}
define <2 x i64> @quxs(<2 x i64> %t) {
  %a = trunc <2 x i64> %t to <2 x i32>
  %b = sext <2 x i32> %a to <2 x i64>
  ret <2 x i64> %b
}
define <2 x i64> @quxt(<2 x i64> %t) {
  %a = shl <2 x i64> %t, <i64 32, i64 32>
  %b = ashr <2 x i64> %a, <i64 32, i64 32>
  ret <2 x i64> %b
}
define <2 x double> @fa(<2 x double> %t) {
  %a = fptrunc <2 x double> %t to <2 x float>
  %b = fpext <2 x float> %a to <2 x double>
  ret <2 x double> %b
}
define <2 x double> @fb(<2 x double> %t) {
  %a = fptoui <2 x double> %t to <2 x i64>
  %b = uitofp <2 x i64> %a to <2 x double>
  ret <2 x double> %b
}
define <2 x double> @fc(<2 x double> %t) {
  %a = fptosi <2 x double> %t to <2 x i64>
  %b = sitofp <2 x i64> %a to <2 x double>
  ret <2 x double> %b
}

; PR9228
; This was a crasher, so no CHECK statements.
define <4 x float> @f(i32 %a) nounwind alwaysinline {
; CHECK: @f
entry:
  %dim = insertelement <4 x i32> undef, i32 %a, i32 0
  %dim30 = insertelement <4 x i32> %dim, i32 %a, i32 1
  %dim31 = insertelement <4 x i32> %dim30, i32 %a, i32 2
  %dim32 = insertelement <4 x i32> %dim31, i32 %a, i32 3

  %offset_ptr = getelementptr <4 x float>* null, i32 1
  %offset_int = ptrtoint <4 x float>* %offset_ptr to i64
  %sizeof32 = trunc i64 %offset_int to i32

  %smearinsert33 = insertelement <4 x i32> undef, i32 %sizeof32, i32 0
  %smearinsert34 = insertelement <4 x i32> %smearinsert33, i32 %sizeof32, i32 1
  %smearinsert35 = insertelement <4 x i32> %smearinsert34, i32 %sizeof32, i32 2
  %smearinsert36 = insertelement <4 x i32> %smearinsert35, i32 %sizeof32, i32 3

  %delta_scale = mul <4 x i32> %dim32, %smearinsert36
  %offset_delta = add <4 x i32> zeroinitializer, %delta_scale

  %offset_varying_delta = add <4 x i32> %offset_delta, undef

  ret <4 x float> undef
}