aboutsummaryrefslogtreecommitdiff
path: root/test/CodeGen/X86/avx-load-store.ll
blob: a6775aba09893522b34948682d7d94520c13655d (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: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx -mattr=+avx | FileCheck %s
; RUN: llc -O0 < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx -mattr=+avx | FileCheck %s -check-prefix=CHECK_O0

; CHECK: vmovaps
; CHECK: vmovaps
; CHECK: vmovaps
; CHECK: vmovaps
; CHECK: vmovaps
; CHECK: vmovaps
define void @test_256_load(double* nocapture %d, float* nocapture %f, <4 x i64>* nocapture %i) nounwind uwtable ssp {
entry:
  %0 = bitcast double* %d to <4 x double>*
  %tmp1.i = load <4 x double>* %0, align 32
  %1 = bitcast float* %f to <8 x float>*
  %tmp1.i17 = load <8 x float>* %1, align 32
  %tmp1.i16 = load <4 x i64>* %i, align 32
  tail call void @dummy(<4 x double> %tmp1.i, <8 x float> %tmp1.i17, <4 x i64> %tmp1.i16) nounwind
  store <4 x double> %tmp1.i, <4 x double>* %0, align 32
  store <8 x float> %tmp1.i17, <8 x float>* %1, align 32
  store <4 x i64> %tmp1.i16, <4 x i64>* %i, align 32
  ret void
}

declare void @dummy(<4 x double>, <8 x float>, <4 x i64>)

;;
;; The two tests below check that we must fold load + scalar_to_vector
;; + ins_subvec+ zext into only a single vmovss or vmovsd or vinsertps from memory

; CHECK: mov00
define <8 x float> @mov00(<8 x float> %v, float * %ptr) nounwind {
  %val = load float* %ptr
; CHECK: vinsertps
; CHECK: vinsertf128
  %i0 = insertelement <8 x float> zeroinitializer, float %val, i32 0
  ret <8 x float> %i0
; CHECK: ret
}

; CHECK: mov01
define <4 x double> @mov01(<4 x double> %v, double * %ptr) nounwind {
  %val = load double* %ptr
; CHECK: vmovlpd
; CHECK: vinsertf128
  %i0 = insertelement <4 x double> zeroinitializer, double %val, i32 0
  ret <4 x double> %i0
; CHECK: ret
}

; CHECK: vmovaps  %ymm
define void @storev16i16(<16 x i16> %a) nounwind {
  store <16 x i16> %a, <16 x i16>* undef, align 32
  unreachable
}

; CHECK: storev16i16_01
; CHECK: vextractf128
; CHECK: vmovups  %xmm
define void @storev16i16_01(<16 x i16> %a) nounwind {
  store <16 x i16> %a, <16 x i16>* undef, align 4
  unreachable
}

; CHECK: storev32i8
; CHECK: vmovaps  %ymm
define void @storev32i8(<32 x i8> %a) nounwind {
  store <32 x i8> %a, <32 x i8>* undef, align 32
  unreachable
}

; CHECK: storev32i8_01
; CHECK: vextractf128
; CHECK: vmovups  %xmm
define void @storev32i8_01(<32 x i8> %a) nounwind {
  store <32 x i8> %a, <32 x i8>* undef, align 4
  unreachable
}

; It is faster to make two saves, if the data is already in XMM registers. For
; example, after making an integer operation.
; CHECK: _double_save
; CHECK-NOT: vinsertf128 $1
; CHECK-NOT: vinsertf128 $0
; CHECK: vmovaps %xmm
; CHECK: vmovaps %xmm
define void @double_save(<4 x i32> %A, <4 x i32> %B, <8 x i32>* %P) nounwind ssp {
entry:
  %Z = shufflevector <4 x i32>%A, <4 x i32>%B, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
  store <8 x i32> %Z, <8 x i32>* %P, align 16
  ret void
}

declare void @llvm.x86.avx.maskstore.ps.256(i8*, <8 x float>, <8 x float>) nounwind

; CHECK_O0: _f_f
; CHECK-O0: vmovss LCPI
; CHECK-O0: vxorps  %xmm
; CHECK-O0: vmovss %xmm
define void @f_f() nounwind {
allocas:
  br i1 undef, label %cif_mask_all, label %cif_mask_mixed

cif_mask_all:                                     ; preds = %allocas
  unreachable

cif_mask_mixed:                                   ; preds = %allocas
  br i1 undef, label %cif_mixed_test_all, label %cif_mixed_test_any_check

cif_mixed_test_all:                               ; preds = %cif_mask_mixed
  call void @llvm.x86.avx.maskstore.ps.256(i8* undef, <8 x float> <float 0xFFFFFFFFE0000000, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00>, <8 x float> undef) nounwind
  unreachable

cif_mixed_test_any_check:                         ; preds = %cif_mask_mixed
  unreachable
}

; CHECK: add8i32
; CHECK: vmovups
; CHECK: vmovups
; CHECK-NOT: vinsertf128
; CHECK-NOT: vextractf128
; CHECK: vmovups
; CHECK: vmovups
define void @add8i32(<8 x i32>* %ret, <8 x i32>* %bp) nounwind {
  %b = load <8 x i32>* %bp, align 1
  %x = add <8 x i32> zeroinitializer, %b
  store <8 x i32> %x, <8 x i32>* %ret, align 1
  ret void
}

; CHECK: add4i64a64
; CHECK: vmovaps ({{.*}}), %ymm{{.*}}
; CHECK: vmovaps %ymm{{.*}}, ({{.*}})
define void @add4i64a64(<4 x i64>* %ret, <4 x i64>* %bp) nounwind {
  %b = load <4 x i64>* %bp, align 64
  %x = add <4 x i64> zeroinitializer, %b
  store <4 x i64> %x, <4 x i64>* %ret, align 64
  ret void
}

; CHECK: add4i64a16
; CHECK: vmovaps {{.*}}({{.*}}), %xmm{{.*}}
; CHECK: vmovaps {{.*}}({{.*}}), %xmm{{.*}}
; CHECK: vmovaps %xmm{{.*}}, {{.*}}({{.*}})
; CHECK: vmovaps %xmm{{.*}}, {{.*}}({{.*}})
define void @add4i64a16(<4 x i64>* %ret, <4 x i64>* %bp) nounwind {
  %b = load <4 x i64>* %bp, align 16
  %x = add <4 x i64> zeroinitializer, %b
  store <4 x i64> %x, <4 x i64>* %ret, align 16
  ret void
}