| blob | 281a873235623b302da2df8c987f5f791b745140 |
1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc -mtriple=riscv32 -target-abi ilp32f -mattr=+zfa,+zfh < %s \
3 ; RUN: | FileCheck %s
4 ; RUN: llc -mtriple=riscv64 -target-abi lp64f -mattr=+zfa,+zfh < %s \
5 ; RUN: | FileCheck %s
6 ; RUN: llc -mtriple=riscv32 -target-abi ilp32f -mattr=+zfa,+zfhmin < %s \
7 ; RUN: | FileCheck %s --check-prefix=ZFHMIN
8 ; RUN: llc -mtriple=riscv64 -target-abi lp64f -mattr=+zfa,+zfhmin < %s \
9 ; RUN: | FileCheck %s --check-prefix=ZFHMIN
11 define half @loadfpimm1() {
12 ; CHECK-LABEL: loadfpimm1:
13 ; CHECK: # %bb.0:
14 ; CHECK-NEXT: fli.h fa0, 0.0625
15 ; CHECK-NEXT: ret
16 ;
17 ; ZFHMIN-LABEL: loadfpimm1:
18 ; ZFHMIN: # %bb.0:
19 ; ZFHMIN-NEXT: lui a0, %hi(.LCPI0_0)
20 ; ZFHMIN-NEXT: flh fa0, %lo(.LCPI0_0)(a0)
21 ; ZFHMIN-NEXT: ret
22 ret half 0.0625
23 }
25 define half @loadfpimm2() {
26 ; CHECK-LABEL: loadfpimm2:
27 ; CHECK: # %bb.0:
28 ; CHECK-NEXT: fli.h fa0, 0.75
29 ; CHECK-NEXT: ret
30 ;
31 ; ZFHMIN-LABEL: loadfpimm2:
32 ; ZFHMIN: # %bb.0:
33 ; ZFHMIN-NEXT: lui a0, %hi(.LCPI1_0)
34 ; ZFHMIN-NEXT: flh fa0, %lo(.LCPI1_0)(a0)
35 ; ZFHMIN-NEXT: ret
36 ret half 0.75
37 }
39 define half @loadfpimm3() {
40 ; CHECK-LABEL: loadfpimm3:
41 ; CHECK: # %bb.0:
42 ; CHECK-NEXT: fli.h fa0, 1.25
43 ; CHECK-NEXT: ret
44 ;
45 ; ZFHMIN-LABEL: loadfpimm3:
46 ; ZFHMIN: # %bb.0:
47 ; ZFHMIN-NEXT: lui a0, %hi(.LCPI2_0)
48 ; ZFHMIN-NEXT: flh fa0, %lo(.LCPI2_0)(a0)
49 ; ZFHMIN-NEXT: ret
50 ret half 1.25
51 }
53 define half @loadfpimm4() {
54 ; CHECK-LABEL: loadfpimm4:
55 ; CHECK: # %bb.0:
56 ; CHECK-NEXT: fli.h fa0, 3.0
57 ; CHECK-NEXT: ret
58 ;
59 ; ZFHMIN-LABEL: loadfpimm4:
60 ; ZFHMIN: # %bb.0:
61 ; ZFHMIN-NEXT: lui a0, %hi(.LCPI3_0)
62 ; ZFHMIN-NEXT: flh fa0, %lo(.LCPI3_0)(a0)
63 ; ZFHMIN-NEXT: ret
64 ret half 3.0
65 }
67 define half @loadfpimm5() {
68 ; CHECK-LABEL: loadfpimm5:
69 ; CHECK: # %bb.0:
70 ; CHECK-NEXT: fli.h fa0, 256.0
71 ; CHECK-NEXT: ret
72 ;
73 ; ZFHMIN-LABEL: loadfpimm5:
74 ; ZFHMIN: # %bb.0:
75 ; ZFHMIN-NEXT: lui a0, %hi(.LCPI4_0)
76 ; ZFHMIN-NEXT: flh fa0, %lo(.LCPI4_0)(a0)
77 ; ZFHMIN-NEXT: ret
78 ret half 256.0
79 }
81 define half @loadfpimm6() {
82 ; CHECK-LABEL: loadfpimm6:
83 ; CHECK: # %bb.0:
84 ; CHECK-NEXT: fli.h fa0, inf
85 ; CHECK-NEXT: ret
86 ;
87 ; ZFHMIN-LABEL: loadfpimm6:
88 ; ZFHMIN: # %bb.0:
89 ; ZFHMIN-NEXT: lui a0, %hi(.LCPI5_0)
90 ; ZFHMIN-NEXT: flh fa0, %lo(.LCPI5_0)(a0)
91 ; ZFHMIN-NEXT: ret
92 ret half 0xH7C00
93 }
95 define half @loadfpimm7() {
96 ; CHECK-LABEL: loadfpimm7:
97 ; CHECK: # %bb.0:
98 ; CHECK-NEXT: fli.h fa0, nan
99 ; CHECK-NEXT: ret
100 ;
101 ; ZFHMIN-LABEL: loadfpimm7:
102 ; ZFHMIN: # %bb.0:
103 ; ZFHMIN-NEXT: lui a0, %hi(.LCPI6_0)
104 ; ZFHMIN-NEXT: flh fa0, %lo(.LCPI6_0)(a0)
105 ; ZFHMIN-NEXT: ret
106 ret half 0xH7E00
107 }
109 define half @loadfpimm8() {
110 ; CHECK-LABEL: loadfpimm8:
111 ; CHECK: # %bb.0:
112 ; CHECK-NEXT: fli.h fa0, min
113 ; CHECK-NEXT: ret
114 ;
115 ; ZFHMIN-LABEL: loadfpimm8:
116 ; ZFHMIN: # %bb.0:
117 ; ZFHMIN-NEXT: li a0, 1024
118 ; ZFHMIN-NEXT: fmv.h.x fa0, a0
119 ; ZFHMIN-NEXT: ret
120 ret half 0xH0400
121 }
123 define half @loadfpimm9() {
124 ; CHECK-LABEL: loadfpimm9:
125 ; CHECK: # %bb.0:
126 ; CHECK-NEXT: lui a0, %hi(.LCPI8_0)
127 ; CHECK-NEXT: flh fa0, %lo(.LCPI8_0)(a0)
128 ; CHECK-NEXT: ret
129 ;
130 ; ZFHMIN-LABEL: loadfpimm9:
131 ; ZFHMIN: # %bb.0:
132 ; ZFHMIN-NEXT: lui a0, %hi(.LCPI8_0)
133 ; ZFHMIN-NEXT: flh fa0, %lo(.LCPI8_0)(a0)
134 ; ZFHMIN-NEXT: ret
135 ret half 255.0
136 }
138 ; This is 1 * 2^-16
139 define half @loadfpimm10() {
140 ; CHECK-LABEL: loadfpimm10:
141 ; CHECK: # %bb.0:
142 ; CHECK-NEXT: fli.h fa0, 1.52587890625e-05
143 ; CHECK-NEXT: ret
144 ;
145 ; ZFHMIN-LABEL: loadfpimm10:
146 ; ZFHMIN: # %bb.0:
147 ; ZFHMIN-NEXT: li a0, 256
148 ; ZFHMIN-NEXT: fmv.h.x fa0, a0
149 ; ZFHMIN-NEXT: ret
150 ret half 0xH0100
151 }
153 ; This is 1 * 2^-15
154 define half @loadfpimm11() {
155 ; CHECK-LABEL: loadfpimm11:
156 ; CHECK: # %bb.0:
157 ; CHECK-NEXT: fli.h fa0, 3.0517578125e-05
158 ; CHECK-NEXT: ret
159 ;
160 ; ZFHMIN-LABEL: loadfpimm11:
161 ; ZFHMIN: # %bb.0:
162 ; ZFHMIN-NEXT: li a0, 512
163 ; ZFHMIN-NEXT: fmv.h.x fa0, a0
164 ; ZFHMIN-NEXT: ret
165 ret half 0xH0200
166 }
168 ; Negative test. This is an snan with payload of 1.
169 define half @loadfpimm12() {
170 ; CHECK-LABEL: loadfpimm12:
171 ; CHECK: # %bb.0:
172 ; CHECK-NEXT: lui a0, %hi(.LCPI11_0)
173 ; CHECK-NEXT: flh fa0, %lo(.LCPI11_0)(a0)
174 ; CHECK-NEXT: ret
175 ;
176 ; ZFHMIN-LABEL: loadfpimm12:
177 ; ZFHMIN: # %bb.0:
178 ; ZFHMIN-NEXT: lui a0, %hi(.LCPI11_0)
179 ; ZFHMIN-NEXT: flh fa0, %lo(.LCPI11_0)(a0)
180 ; ZFHMIN-NEXT: ret
181 ret half 0xH7c01
182 }
184 define half @loadfpimm13() {
185 ; CHECK-LABEL: loadfpimm13:
186 ; CHECK: # %bb.0:
187 ; CHECK-NEXT: fli.h fa0, -1.0
188 ; CHECK-NEXT: ret
189 ;
190 ; ZFHMIN-LABEL: loadfpimm13:
191 ; ZFHMIN: # %bb.0:
192 ; ZFHMIN-NEXT: lui a0, %hi(.LCPI12_0)
193 ; ZFHMIN-NEXT: flh fa0, %lo(.LCPI12_0)(a0)
194 ; ZFHMIN-NEXT: ret
195 ret half -1.0
196 }
198 ; Ensure fli isn't directly used for negated versions of numbers in the fli
199 ; table.
200 define half @loadfpimm14() {
201 ; CHECK-LABEL: loadfpimm14:
202 ; CHECK: # %bb.0:
203 ; CHECK-NEXT: fli.h fa5, 2.0
204 ; CHECK-NEXT: fneg.h fa0, fa5
205 ; CHECK-NEXT: ret
206 ;
207 ; ZFHMIN-LABEL: loadfpimm14:
208 ; ZFHMIN: # %bb.0:
209 ; ZFHMIN-NEXT: lui a0, 1048572
210 ; ZFHMIN-NEXT: fmv.h.x fa0, a0
211 ; ZFHMIN-NEXT: ret
212 ret half -2.0
213 }
215 ; Ensure fli isn't directly used for negative min normal value.
216 define half @loadfpimm15() {
217 ; CHECK-LABEL: loadfpimm15:
218 ; CHECK: # %bb.0:
219 ; CHECK-NEXT: fli.h fa5, min
220 ; CHECK-NEXT: fneg.h fa0, fa5
221 ; CHECK-NEXT: ret
222 ;
223 ; ZFHMIN-LABEL: loadfpimm15:
224 ; ZFHMIN: # %bb.0:
225 ; ZFHMIN-NEXT: lui a0, %hi(.LCPI14_0)
226 ; ZFHMIN-NEXT: flh fa0, %lo(.LCPI14_0)(a0)
227 ; ZFHMIN-NEXT: ret
228 ret half 0xH8400
229 }