call.ll
8.18 KB
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
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -basicaa -slp-vectorizer -slp-threshold=-999 -dce -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.8.0"
declare double @sin(double)
declare double @cos(double)
declare double @pow(double, double)
declare double @exp2(double)
declare double @sqrt(double)
declare i64 @round(i64)
define void @sin_libm(double* %a, double* %b) {
; CHECK-LABEL: @sin_libm(
; CHECK-NEXT: [[TMP1:%.*]] = bitcast double* [[A:%.*]] to <2 x double>*
; CHECK-NEXT: [[TMP2:%.*]] = load <2 x double>, <2 x double>* [[TMP1]], align 8
; CHECK-NEXT: [[TMP3:%.*]] = call <2 x double> @llvm.sin.v2f64(<2 x double> [[TMP2]])
; CHECK-NEXT: [[TMP4:%.*]] = bitcast double* [[B:%.*]] to <2 x double>*
; CHECK-NEXT: store <2 x double> [[TMP3]], <2 x double>* [[TMP4]], align 8
; CHECK-NEXT: ret void
;
%a0 = load double, double* %a, align 8
%idx1 = getelementptr inbounds double, double* %a, i64 1
%a1 = load double, double* %idx1, align 8
%sin1 = tail call double @sin(double %a0) nounwind readnone
%sin2 = tail call double @sin(double %a1) nounwind readnone
store double %sin1, double* %b, align 8
%idx2 = getelementptr inbounds double, double* %b, i64 1
store double %sin2, double* %idx2, align 8
ret void
}
define void @cos_libm(double* %a, double* %b) {
; CHECK-LABEL: @cos_libm(
; CHECK-NEXT: [[TMP1:%.*]] = bitcast double* [[A:%.*]] to <2 x double>*
; CHECK-NEXT: [[TMP2:%.*]] = load <2 x double>, <2 x double>* [[TMP1]], align 8
; CHECK-NEXT: [[TMP3:%.*]] = call <2 x double> @llvm.cos.v2f64(<2 x double> [[TMP2]])
; CHECK-NEXT: [[TMP4:%.*]] = bitcast double* [[B:%.*]] to <2 x double>*
; CHECK-NEXT: store <2 x double> [[TMP3]], <2 x double>* [[TMP4]], align 8
; CHECK-NEXT: ret void
;
%a0 = load double, double* %a, align 8
%idx1 = getelementptr inbounds double, double* %a, i64 1
%a1 = load double, double* %idx1, align 8
%cos1 = tail call double @cos(double %a0) nounwind readnone
%cos2 = tail call double @cos(double %a1) nounwind readnone
store double %cos1, double* %b, align 8
%idx2 = getelementptr inbounds double, double* %b, i64 1
store double %cos2, double* %idx2, align 8
ret void
}
define void @pow_libm(double* %a, double* %b) {
; CHECK-LABEL: @pow_libm(
; CHECK-NEXT: [[TMP1:%.*]] = bitcast double* [[A:%.*]] to <2 x double>*
; CHECK-NEXT: [[TMP2:%.*]] = load <2 x double>, <2 x double>* [[TMP1]], align 8
; CHECK-NEXT: [[TMP3:%.*]] = call <2 x double> @llvm.pow.v2f64(<2 x double> [[TMP2]], <2 x double> [[TMP2]])
; CHECK-NEXT: [[TMP4:%.*]] = bitcast double* [[B:%.*]] to <2 x double>*
; CHECK-NEXT: store <2 x double> [[TMP3]], <2 x double>* [[TMP4]], align 8
; CHECK-NEXT: ret void
;
%a0 = load double, double* %a, align 8
%idx1 = getelementptr inbounds double, double* %a, i64 1
%a1 = load double, double* %idx1, align 8
%pow1 = tail call double @pow(double %a0, double %a0) nounwind readnone
%pow2 = tail call double @pow(double %a1, double %a1) nounwind readnone
store double %pow1, double* %b, align 8
%idx2 = getelementptr inbounds double, double* %b, i64 1
store double %pow2, double* %idx2, align 8
ret void
}
define void @exp_libm(double* %a, double* %b) {
; CHECK-LABEL: @exp_libm(
; CHECK-NEXT: [[TMP1:%.*]] = bitcast double* [[A:%.*]] to <2 x double>*
; CHECK-NEXT: [[TMP2:%.*]] = load <2 x double>, <2 x double>* [[TMP1]], align 8
; CHECK-NEXT: [[TMP3:%.*]] = call <2 x double> @llvm.exp2.v2f64(<2 x double> [[TMP2]])
; CHECK-NEXT: [[TMP4:%.*]] = bitcast double* [[B:%.*]] to <2 x double>*
; CHECK-NEXT: store <2 x double> [[TMP3]], <2 x double>* [[TMP4]], align 8
; CHECK-NEXT: ret void
;
%a0 = load double, double* %a, align 8
%idx1 = getelementptr inbounds double, double* %a, i64 1
%a1 = load double, double* %idx1, align 8
%exp1 = tail call double @exp2(double %a0) nounwind readnone
%exp2 = tail call double @exp2(double %a1) nounwind readnone
store double %exp1, double* %b, align 8
%idx2 = getelementptr inbounds double, double* %b, i64 1
store double %exp2, double* %idx2, align 8
ret void
}
; No fast-math-flags are required to convert sqrt library calls to an intrinsic.
; We just need to know that errno is not set (readnone).
define void @sqrt_libm_no_errno(double* %a, double* %b) {
; CHECK-LABEL: @sqrt_libm_no_errno(
; CHECK-NEXT: [[TMP1:%.*]] = bitcast double* [[A:%.*]] to <2 x double>*
; CHECK-NEXT: [[TMP2:%.*]] = load <2 x double>, <2 x double>* [[TMP1]], align 8
; CHECK-NEXT: [[TMP3:%.*]] = call <2 x double> @llvm.sqrt.v2f64(<2 x double> [[TMP2]])
; CHECK-NEXT: [[TMP4:%.*]] = bitcast double* [[B:%.*]] to <2 x double>*
; CHECK-NEXT: store <2 x double> [[TMP3]], <2 x double>* [[TMP4]], align 8
; CHECK-NEXT: ret void
;
%a0 = load double, double* %a, align 8
%idx1 = getelementptr inbounds double, double* %a, i64 1
%a1 = load double, double* %idx1, align 8
%sqrt1 = tail call double @sqrt(double %a0) nounwind readnone
%sqrt2 = tail call double @sqrt(double %a1) nounwind readnone
store double %sqrt1, double* %b, align 8
%idx2 = getelementptr inbounds double, double* %b, i64 1
store double %sqrt2, double* %idx2, align 8
ret void
}
; The sqrt intrinsic does not set errno, but a non-constant sqrt call might, so this can't vectorize.
; The nnan on the call does not matter because there's no guarantee in the C standard that a negative
; input would result in a nan output ("On a domain error, the function returns an
; implementation-defined value.")
define void @sqrt_libm_errno(double* %a, double* %b) {
; CHECK-LABEL: @sqrt_libm_errno(
; CHECK-NEXT: [[A0:%.*]] = load double, double* [[A:%.*]], align 8
; CHECK-NEXT: [[IDX1:%.*]] = getelementptr inbounds double, double* [[A]], i64 1
; CHECK-NEXT: [[A1:%.*]] = load double, double* [[IDX1]], align 8
; CHECK-NEXT: [[SQRT1:%.*]] = tail call nnan double @sqrt(double [[A0]]) #2
; CHECK-NEXT: [[SQRT2:%.*]] = tail call nnan double @sqrt(double [[A1]]) #2
; CHECK-NEXT: store double [[SQRT1]], double* [[B:%.*]], align 8
; CHECK-NEXT: [[IDX2:%.*]] = getelementptr inbounds double, double* [[B]], i64 1
; CHECK-NEXT: store double [[SQRT2]], double* [[IDX2]], align 8
; CHECK-NEXT: ret void
;
%a0 = load double, double* %a, align 8
%idx1 = getelementptr inbounds double, double* %a, i64 1
%a1 = load double, double* %idx1, align 8
%sqrt1 = tail call nnan double @sqrt(double %a0) nounwind
%sqrt2 = tail call nnan double @sqrt(double %a1) nounwind
store double %sqrt1, double* %b, align 8
%idx2 = getelementptr inbounds double, double* %b, i64 1
store double %sqrt2, double* %idx2, align 8
ret void
}
; Negative test case
define void @round_custom(i64* %a, i64* %b) {
; CHECK-LABEL: @round_custom(
; CHECK-NEXT: [[A0:%.*]] = load i64, i64* [[A:%.*]], align 8
; CHECK-NEXT: [[IDX1:%.*]] = getelementptr inbounds i64, i64* [[A]], i64 1
; CHECK-NEXT: [[A1:%.*]] = load i64, i64* [[IDX1]], align 8
; CHECK-NEXT: [[ROUND1:%.*]] = tail call i64 @round(i64 [[A0]]) #3
; CHECK-NEXT: [[ROUND2:%.*]] = tail call i64 @round(i64 [[A1]]) #3
; CHECK-NEXT: store i64 [[ROUND1]], i64* [[B:%.*]], align 8
; CHECK-NEXT: [[IDX2:%.*]] = getelementptr inbounds i64, i64* [[B]], i64 1
; CHECK-NEXT: store i64 [[ROUND2]], i64* [[IDX2]], align 8
; CHECK-NEXT: ret void
;
%a0 = load i64, i64* %a, align 8
%idx1 = getelementptr inbounds i64, i64* %a, i64 1
%a1 = load i64, i64* %idx1, align 8
%round1 = tail call i64 @round(i64 %a0) nounwind readnone
%round2 = tail call i64 @round(i64 %a1) nounwind readnone
store i64 %round1, i64* %b, align 8
%idx2 = getelementptr inbounds i64, i64* %b, i64 1
store i64 %round2, i64* %idx2, align 8
ret void
}
; CHECK: declare <2 x double> @llvm.sin.v2f64(<2 x double>) [[ATTR0:#[0-9]+]]
; CHECK: declare <2 x double> @llvm.cos.v2f64(<2 x double>) [[ATTR0]]
; CHECK: declare <2 x double> @llvm.pow.v2f64(<2 x double>, <2 x double>) [[ATTR0]]
; CHECK: declare <2 x double> @llvm.exp2.v2f64(<2 x double>) [[ATTR0]]
; CHECK: attributes [[ATTR0]] = { nounwind readnone speculatable willreturn }