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
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=x86-64 -mattr=+rdrnd | FileCheck %s --check-prefix=CHECK --check-prefix=GENERIC
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=goldmont | FileCheck %s --check-prefix=CHECK --check-prefix=GOLDMONT
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=ivybridge | FileCheck %s --check-prefix=CHECK --check-prefix=IVY
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=haswell | FileCheck %s --check-prefix=CHECK --check-prefix=HASWELL
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=broadwell | FileCheck %s --check-prefix=CHECK --check-prefix=BROADWELL
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=skylake | FileCheck %s --check-prefix=CHECK --check-prefix=SKYLAKE
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=skx | FileCheck %s --check-prefix=CHECK --check-prefix=SKX
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=znver1 | FileCheck %s --check-prefix=CHECK --check-prefix=ZNVER1
declare {i16, i32} @llvm.x86.rdrand.16()
declare {i32, i32} @llvm.x86.rdrand.32()
declare {i64, i32} @llvm.x86.rdrand.64()
define i16 @test_rdrand_16(i16* %random_val) {
; GENERIC-LABEL: test_rdrand_16:
; GENERIC: # %bb.0:
; GENERIC-NEXT: rdrandw %ax # sched: [100:0.33]
; GENERIC-NEXT: retq # sched: [1:1.00]
;
; GOLDMONT-LABEL: test_rdrand_16:
; GOLDMONT: # %bb.0:
; GOLDMONT-NEXT: rdrandw %ax # sched: [100:1.00]
; GOLDMONT-NEXT: retq # sched: [4:1.00]
;
; IVY-LABEL: test_rdrand_16:
; IVY: # %bb.0:
; IVY-NEXT: rdrandw %ax # sched: [100:0.33]
; IVY-NEXT: retq # sched: [1:1.00]
;
; HASWELL-LABEL: test_rdrand_16:
; HASWELL: # %bb.0:
; HASWELL-NEXT: rdrandw %ax # sched: [1:5.33]
; HASWELL-NEXT: retq # sched: [7:1.00]
;
; BROADWELL-LABEL: test_rdrand_16:
; BROADWELL: # %bb.0:
; BROADWELL-NEXT: rdrandw %ax # sched: [9:1.00]
; BROADWELL-NEXT: retq # sched: [7:1.00]
;
; SKYLAKE-LABEL: test_rdrand_16:
; SKYLAKE: # %bb.0:
; SKYLAKE-NEXT: rdrandw %ax # sched: [100:0.25]
; SKYLAKE-NEXT: retq # sched: [7:1.00]
;
; SKX-LABEL: test_rdrand_16:
; SKX: # %bb.0:
; SKX-NEXT: rdrandw %ax # sched: [100:0.25]
; SKX-NEXT: retq # sched: [7:1.00]
;
; ZNVER1-LABEL: test_rdrand_16:
; ZNVER1: # %bb.0:
; ZNVER1-NEXT: rdrandw %ax # sched: [100:0.25]
; ZNVER1-NEXT: retq # sched: [1:0.50]
%call = call {i16, i32} @llvm.x86.rdrand.16()
%randval = extractvalue {i16, i32} %call, 0
ret i16 %randval
}
define i32 @test_rdrand_32(i32* %random_val) {
; GENERIC-LABEL: test_rdrand_32:
; GENERIC: # %bb.0:
; GENERIC-NEXT: rdrandl %eax # sched: [100:0.33]
; GENERIC-NEXT: retq # sched: [1:1.00]
;
; GOLDMONT-LABEL: test_rdrand_32:
; GOLDMONT: # %bb.0:
; GOLDMONT-NEXT: rdrandl %eax # sched: [100:1.00]
; GOLDMONT-NEXT: retq # sched: [4:1.00]
;
; IVY-LABEL: test_rdrand_32:
; IVY: # %bb.0:
; IVY-NEXT: rdrandl %eax # sched: [100:0.33]
; IVY-NEXT: retq # sched: [1:1.00]
;
; HASWELL-LABEL: test_rdrand_32:
; HASWELL: # %bb.0:
; HASWELL-NEXT: rdrandl %eax # sched: [1:5.33]
; HASWELL-NEXT: retq # sched: [7:1.00]
;
; BROADWELL-LABEL: test_rdrand_32:
; BROADWELL: # %bb.0:
; BROADWELL-NEXT: rdrandl %eax # sched: [9:1.00]
; BROADWELL-NEXT: retq # sched: [7:1.00]
;
; SKYLAKE-LABEL: test_rdrand_32:
; SKYLAKE: # %bb.0:
; SKYLAKE-NEXT: rdrandl %eax # sched: [100:0.25]
; SKYLAKE-NEXT: retq # sched: [7:1.00]
;
; SKX-LABEL: test_rdrand_32:
; SKX: # %bb.0:
; SKX-NEXT: rdrandl %eax # sched: [100:0.25]
; SKX-NEXT: retq # sched: [7:1.00]
;
; ZNVER1-LABEL: test_rdrand_32:
; ZNVER1: # %bb.0:
; ZNVER1-NEXT: rdrandl %eax # sched: [100:0.25]
; ZNVER1-NEXT: retq # sched: [1:0.50]
%call = call {i32, i32} @llvm.x86.rdrand.32()
%randval = extractvalue {i32, i32} %call, 0
ret i32 %randval
}
define i64 @test_rdrand_64(i64* %random_val) {
; GENERIC-LABEL: test_rdrand_64:
; GENERIC: # %bb.0:
; GENERIC-NEXT: rdrandq %rax # sched: [100:0.33]
; GENERIC-NEXT: retq # sched: [1:1.00]
;
; GOLDMONT-LABEL: test_rdrand_64:
; GOLDMONT: # %bb.0:
; GOLDMONT-NEXT: rdrandq %rax # sched: [100:1.00]
; GOLDMONT-NEXT: retq # sched: [4:1.00]
;
; IVY-LABEL: test_rdrand_64:
; IVY: # %bb.0:
; IVY-NEXT: rdrandq %rax # sched: [100:0.33]
; IVY-NEXT: retq # sched: [1:1.00]
;
; HASWELL-LABEL: test_rdrand_64:
; HASWELL: # %bb.0:
; HASWELL-NEXT: rdrandq %rax # sched: [1:5.33]
; HASWELL-NEXT: retq # sched: [7:1.00]
;
; BROADWELL-LABEL: test_rdrand_64:
; BROADWELL: # %bb.0:
; BROADWELL-NEXT: rdrandq %rax # sched: [9:1.00]
; BROADWELL-NEXT: retq # sched: [7:1.00]
;
; SKYLAKE-LABEL: test_rdrand_64:
; SKYLAKE: # %bb.0:
; SKYLAKE-NEXT: rdrandq %rax # sched: [100:0.25]
; SKYLAKE-NEXT: retq # sched: [7:1.00]
;
; SKX-LABEL: test_rdrand_64:
; SKX: # %bb.0:
; SKX-NEXT: rdrandq %rax # sched: [100:0.25]
; SKX-NEXT: retq # sched: [7:1.00]
;
; ZNVER1-LABEL: test_rdrand_64:
; ZNVER1: # %bb.0:
; ZNVER1-NEXT: rdrandq %rax # sched: [100:0.25]
; ZNVER1-NEXT: retq # sched: [1:0.50]
%call = call {i64, i32} @llvm.x86.rdrand.64()
%randval = extractvalue {i64, i32} %call, 0
ret i64 %randval
}
|
