aboutsummaryrefslogtreecommitdiff
path: root/llvm/test/CodeGen/RISCV/codemodel-lowering.ll
blob: 086c3ac1815217dbfa53422324bdf318e06fa99d (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
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
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -mattr=+f,+zfh -target-abi=ilp32f -code-model=small -verify-machineinstrs < %s \
; RUN:   | FileCheck %s -check-prefixes=RV32I-SMALL,RV32F-SMALL
; RUN: llc -mtriple=riscv32 -mattr=+f,+zfh -target-abi=ilp32f -code-model=medium -verify-machineinstrs < %s \
; RUN:   | FileCheck %s -check-prefixes=RV32I-MEDIUM,RV32F-MEDIUM
; RUN: llc -mtriple=riscv64 -mattr=+f,+zfh -target-abi=lp64f -code-model=small -verify-machineinstrs < %s \
; RUN:   | FileCheck %s -check-prefixes=RV64I-SMALL,RV64F-SMALL
; RUN: llc -mtriple=riscv64 -mattr=+f,+zfh -target-abi=lp64f -code-model=medium -verify-machineinstrs < %s \
; RUN:   | FileCheck %s -check-prefixes=RV64I-MEDIUM,RV64F-MEDIUM
; RUN: llc -mtriple=riscv64 -mattr=+f,+zfh -target-abi=lp64f -code-model=large -verify-machineinstrs < %s \
; RUN:   | FileCheck %s -check-prefixes=RV64I-LARGE,RV64F-LARGE
; RUN: llc -mtriple=riscv32 -mattr=+zfinx,+zhinx -target-abi=ilp32 -code-model=small -verify-machineinstrs < %s \
; RUN:   | FileCheck %s -check-prefixes=RV32I-SMALL,RV32FINX-SMALL
; RUN: llc -mtriple=riscv32 -mattr=+zfinx,+zhinx -target-abi=ilp32 -code-model=medium -verify-machineinstrs < %s \
; RUN:   | FileCheck %s -check-prefixes=RV32I-MEDIUM,RV32FINX-MEDIUM
; RUN: llc -mtriple=riscv64 -mattr=+zfinx,+zhinx -target-abi=lp64 -code-model=small -verify-machineinstrs < %s \
; RUN:   | FileCheck %s -check-prefixes=RV64I-SMALL,RV64FINX-SMALL
; RUN: llc -mtriple=riscv64 -mattr=+zfinx,+zhinx -target-abi=lp64 -code-model=medium -verify-machineinstrs < %s \
; RUN:   | FileCheck %s -check-prefixes=RV64I-MEDIUM,RV64FINX-MEDIUM
; RUN: llc -mtriple=riscv64 -mattr=+zfinx,+zhinx -target-abi=lp64 -code-model=large -verify-machineinstrs < %s \
; RUN:   | FileCheck %s -check-prefixes=RV64I-LARGE,RV64FINX-LARGE

; Check lowering of globals
@G = global i32 0

define i32 @lower_global(i32 %a) nounwind {
; RV32I-SMALL-LABEL: lower_global:
; RV32I-SMALL:       # %bb.0:
; RV32I-SMALL-NEXT:    lui a0, %hi(G)
; RV32I-SMALL-NEXT:    lw a0, %lo(G)(a0)
; RV32I-SMALL-NEXT:    ret
;
; RV32I-MEDIUM-LABEL: lower_global:
; RV32I-MEDIUM:       # %bb.0:
; RV32I-MEDIUM-NEXT:  .Lpcrel_hi0:
; RV32I-MEDIUM-NEXT:    auipc a0, %pcrel_hi(G)
; RV32I-MEDIUM-NEXT:    lw a0, %pcrel_lo(.Lpcrel_hi0)(a0)
; RV32I-MEDIUM-NEXT:    ret
;
; RV64I-SMALL-LABEL: lower_global:
; RV64I-SMALL:       # %bb.0:
; RV64I-SMALL-NEXT:    lui a0, %hi(G)
; RV64I-SMALL-NEXT:    lw a0, %lo(G)(a0)
; RV64I-SMALL-NEXT:    ret
;
; RV64I-MEDIUM-LABEL: lower_global:
; RV64I-MEDIUM:       # %bb.0:
; RV64I-MEDIUM-NEXT:  .Lpcrel_hi0:
; RV64I-MEDIUM-NEXT:    auipc a0, %pcrel_hi(G)
; RV64I-MEDIUM-NEXT:    lw a0, %pcrel_lo(.Lpcrel_hi0)(a0)
; RV64I-MEDIUM-NEXT:    ret
;
; RV64I-LARGE-LABEL: lower_global:
; RV64I-LARGE:       # %bb.0:
; RV64I-LARGE-NEXT:  .Lpcrel_hi0:
; RV64I-LARGE-NEXT:    auipc a0, %pcrel_hi(.LCPI0_0)
; RV64I-LARGE-NEXT:    ld a0, %pcrel_lo(.Lpcrel_hi0)(a0)
; RV64I-LARGE-NEXT:    lw a0, 0(a0)
; RV64I-LARGE-NEXT:    ret
  %1 = load volatile i32, ptr @G
  ret i32 %1
}

; Check lowering of blockaddresses

@addr = global ptr null

define void @lower_blockaddress() nounwind {
; RV32I-SMALL-LABEL: lower_blockaddress:
; RV32I-SMALL:       # %bb.0:
; RV32I-SMALL-NEXT:    lui a0, %hi(addr)
; RV32I-SMALL-NEXT:    li a1, 1
; RV32I-SMALL-NEXT:    sw a1, %lo(addr)(a0)
; RV32I-SMALL-NEXT:    ret
;
; RV32I-MEDIUM-LABEL: lower_blockaddress:
; RV32I-MEDIUM:       # %bb.0:
; RV32I-MEDIUM-NEXT:  .Lpcrel_hi1:
; RV32I-MEDIUM-NEXT:    auipc a0, %pcrel_hi(addr)
; RV32I-MEDIUM-NEXT:    li a1, 1
; RV32I-MEDIUM-NEXT:    sw a1, %pcrel_lo(.Lpcrel_hi1)(a0)
; RV32I-MEDIUM-NEXT:    ret
;
; RV64I-SMALL-LABEL: lower_blockaddress:
; RV64I-SMALL:       # %bb.0:
; RV64I-SMALL-NEXT:    lui a0, %hi(addr)
; RV64I-SMALL-NEXT:    li a1, 1
; RV64I-SMALL-NEXT:    sd a1, %lo(addr)(a0)
; RV64I-SMALL-NEXT:    ret
;
; RV64I-MEDIUM-LABEL: lower_blockaddress:
; RV64I-MEDIUM:       # %bb.0:
; RV64I-MEDIUM-NEXT:  .Lpcrel_hi1:
; RV64I-MEDIUM-NEXT:    auipc a0, %pcrel_hi(addr)
; RV64I-MEDIUM-NEXT:    li a1, 1
; RV64I-MEDIUM-NEXT:    sd a1, %pcrel_lo(.Lpcrel_hi1)(a0)
; RV64I-MEDIUM-NEXT:    ret
;
; RV64I-LARGE-LABEL: lower_blockaddress:
; RV64I-LARGE:       # %bb.0:
; RV64I-LARGE-NEXT:  .Lpcrel_hi1:
; RV64I-LARGE-NEXT:    auipc a0, %pcrel_hi(.LCPI1_0)
; RV64I-LARGE-NEXT:    ld a0, %pcrel_lo(.Lpcrel_hi1)(a0)
; RV64I-LARGE-NEXT:    li a1, 1
; RV64I-LARGE-NEXT:    sd a1, 0(a0)
; RV64I-LARGE-NEXT:    ret
  store volatile ptr blockaddress(@lower_blockaddress, %block), ptr @addr
  ret void

block:
  unreachable
}

; Check lowering of blockaddress that forces a displacement to be added

define signext i32 @lower_blockaddress_displ(i32 signext %w) nounwind {
; RV32I-SMALL-LABEL: lower_blockaddress_displ:
; RV32I-SMALL:       # %bb.0: # %entry
; RV32I-SMALL-NEXT:    addi sp, sp, -16
; RV32I-SMALL-NEXT:    lui a1, %hi(.Ltmp0)
; RV32I-SMALL-NEXT:    addi a1, a1, %lo(.Ltmp0)
; RV32I-SMALL-NEXT:    li a2, 101
; RV32I-SMALL-NEXT:    sw a1, 8(sp)
; RV32I-SMALL-NEXT:    blt a0, a2, .LBB2_3
; RV32I-SMALL-NEXT:  # %bb.1: # %if.then
; RV32I-SMALL-NEXT:    lw a0, 8(sp)
; RV32I-SMALL-NEXT:    jr a0
; RV32I-SMALL-NEXT:  .Ltmp0: # Block address taken
; RV32I-SMALL-NEXT:  .LBB2_2: # %return
; RV32I-SMALL-NEXT:    li a0, 4
; RV32I-SMALL-NEXT:    addi sp, sp, 16
; RV32I-SMALL-NEXT:    ret
; RV32I-SMALL-NEXT:  .LBB2_3: # %return.clone
; RV32I-SMALL-NEXT:    li a0, 3
; RV32I-SMALL-NEXT:    addi sp, sp, 16
; RV32I-SMALL-NEXT:    ret
;
; RV32I-MEDIUM-LABEL: lower_blockaddress_displ:
; RV32I-MEDIUM:       # %bb.0: # %entry
; RV32I-MEDIUM-NEXT:    addi sp, sp, -16
; RV32I-MEDIUM-NEXT:  .Lpcrel_hi2:
; RV32I-MEDIUM-NEXT:    auipc a1, %pcrel_hi(.Ltmp0)
; RV32I-MEDIUM-NEXT:    addi a1, a1, %pcrel_lo(.Lpcrel_hi2)
; RV32I-MEDIUM-NEXT:    li a2, 101
; RV32I-MEDIUM-NEXT:    sw a1, 8(sp)
; RV32I-MEDIUM-NEXT:    blt a0, a2, .LBB2_3
; RV32I-MEDIUM-NEXT:  # %bb.1: # %if.then
; RV32I-MEDIUM-NEXT:    lw a0, 8(sp)
; RV32I-MEDIUM-NEXT:    jr a0
; RV32I-MEDIUM-NEXT:  .Ltmp0: # Block address taken
; RV32I-MEDIUM-NEXT:  .LBB2_2: # %return
; RV32I-MEDIUM-NEXT:    li a0, 4
; RV32I-MEDIUM-NEXT:    addi sp, sp, 16
; RV32I-MEDIUM-NEXT:    ret
; RV32I-MEDIUM-NEXT:  .LBB2_3: # %return.clone
; RV32I-MEDIUM-NEXT:    li a0, 3
; RV32I-MEDIUM-NEXT:    addi sp, sp, 16
; RV32I-MEDIUM-NEXT:    ret
;
; RV64I-SMALL-LABEL: lower_blockaddress_displ:
; RV64I-SMALL:       # %bb.0: # %entry
; RV64I-SMALL-NEXT:    addi sp, sp, -16
; RV64I-SMALL-NEXT:    lui a1, %hi(.Ltmp0)
; RV64I-SMALL-NEXT:    addi a1, a1, %lo(.Ltmp0)
; RV64I-SMALL-NEXT:    li a2, 101
; RV64I-SMALL-NEXT:    sd a1, 8(sp)
; RV64I-SMALL-NEXT:    blt a0, a2, .LBB2_3
; RV64I-SMALL-NEXT:  # %bb.1: # %if.then
; RV64I-SMALL-NEXT:    ld a0, 8(sp)
; RV64I-SMALL-NEXT:    jr a0
; RV64I-SMALL-NEXT:  .Ltmp0: # Block address taken
; RV64I-SMALL-NEXT:  .LBB2_2: # %return
; RV64I-SMALL-NEXT:    li a0, 4
; RV64I-SMALL-NEXT:    addi sp, sp, 16
; RV64I-SMALL-NEXT:    ret
; RV64I-SMALL-NEXT:  .LBB2_3: # %return.clone
; RV64I-SMALL-NEXT:    li a0, 3
; RV64I-SMALL-NEXT:    addi sp, sp, 16
; RV64I-SMALL-NEXT:    ret
;
; RV64I-MEDIUM-LABEL: lower_blockaddress_displ:
; RV64I-MEDIUM:       # %bb.0: # %entry
; RV64I-MEDIUM-NEXT:    addi sp, sp, -16
; RV64I-MEDIUM-NEXT:  .Lpcrel_hi2:
; RV64I-MEDIUM-NEXT:    auipc a1, %pcrel_hi(.Ltmp0)
; RV64I-MEDIUM-NEXT:    addi a1, a1, %pcrel_lo(.Lpcrel_hi2)
; RV64I-MEDIUM-NEXT:    li a2, 101
; RV64I-MEDIUM-NEXT:    sd a1, 8(sp)
; RV64I-MEDIUM-NEXT:    blt a0, a2, .LBB2_3
; RV64I-MEDIUM-NEXT:  # %bb.1: # %if.then
; RV64I-MEDIUM-NEXT:    ld a0, 8(sp)
; RV64I-MEDIUM-NEXT:    jr a0
; RV64I-MEDIUM-NEXT:  .Ltmp0: # Block address taken
; RV64I-MEDIUM-NEXT:  .LBB2_2: # %return
; RV64I-MEDIUM-NEXT:    li a0, 4
; RV64I-MEDIUM-NEXT:    addi sp, sp, 16
; RV64I-MEDIUM-NEXT:    ret
; RV64I-MEDIUM-NEXT:  .LBB2_3: # %return.clone
; RV64I-MEDIUM-NEXT:    li a0, 3
; RV64I-MEDIUM-NEXT:    addi sp, sp, 16
; RV64I-MEDIUM-NEXT:    ret
;
; RV64I-LARGE-LABEL: lower_blockaddress_displ:
; RV64I-LARGE:       # %bb.0: # %entry
; RV64I-LARGE-NEXT:    addi sp, sp, -16
; RV64I-LARGE-NEXT:  .Lpcrel_hi2:
; RV64I-LARGE-NEXT:    auipc a1, %pcrel_hi(.Ltmp0)
; RV64I-LARGE-NEXT:    addi a1, a1, %pcrel_lo(.Lpcrel_hi2)
; RV64I-LARGE-NEXT:    li a2, 101
; RV64I-LARGE-NEXT:    sd a1, 8(sp)
; RV64I-LARGE-NEXT:    blt a0, a2, .LBB2_3
; RV64I-LARGE-NEXT:  # %bb.1: # %if.then
; RV64I-LARGE-NEXT:    ld a0, 8(sp)
; RV64I-LARGE-NEXT:    jr a0
; RV64I-LARGE-NEXT:  .Ltmp0: # Block address taken
; RV64I-LARGE-NEXT:  .LBB2_2: # %return
; RV64I-LARGE-NEXT:    li a0, 4
; RV64I-LARGE-NEXT:    addi sp, sp, 16
; RV64I-LARGE-NEXT:    ret
; RV64I-LARGE-NEXT:  .LBB2_3: # %return.clone
; RV64I-LARGE-NEXT:    li a0, 3
; RV64I-LARGE-NEXT:    addi sp, sp, 16
; RV64I-LARGE-NEXT:    ret
entry:
  %x = alloca ptr, align 8
  store ptr blockaddress(@lower_blockaddress_displ, %test_block), ptr %x, align 8
  %cmp = icmp sgt i32 %w, 100
  br i1 %cmp, label %if.then, label %if.end

if.then:
  %addr = load ptr, ptr %x, align 8
  br label %indirectgoto

if.end:
  br label %return

test_block:
  br label %return

return:
  %retval = phi i32 [ 3, %if.end ], [ 4, %test_block ]
  ret i32 %retval

indirectgoto:
  indirectbr ptr %addr, [ label %test_block ]
}

; Check lowering of constantpools

define float @lower_constantpool(float %a) nounwind {
; RV32F-SMALL-LABEL: lower_constantpool:
; RV32F-SMALL:       # %bb.0:
; RV32F-SMALL-NEXT:    lui a0, %hi(.LCPI3_0)
; RV32F-SMALL-NEXT:    flw fa5, %lo(.LCPI3_0)(a0)
; RV32F-SMALL-NEXT:    fadd.s fa0, fa0, fa5
; RV32F-SMALL-NEXT:    ret
;
; RV32F-MEDIUM-LABEL: lower_constantpool:
; RV32F-MEDIUM:       # %bb.0:
; RV32F-MEDIUM-NEXT:  .Lpcrel_hi3:
; RV32F-MEDIUM-NEXT:    auipc a0, %pcrel_hi(.LCPI3_0)
; RV32F-MEDIUM-NEXT:    flw fa5, %pcrel_lo(.Lpcrel_hi3)(a0)
; RV32F-MEDIUM-NEXT:    fadd.s fa0, fa0, fa5
; RV32F-MEDIUM-NEXT:    ret
;
; RV64F-SMALL-LABEL: lower_constantpool:
; RV64F-SMALL:       # %bb.0:
; RV64F-SMALL-NEXT:    lui a0, %hi(.LCPI3_0)
; RV64F-SMALL-NEXT:    flw fa5, %lo(.LCPI3_0)(a0)
; RV64F-SMALL-NEXT:    fadd.s fa0, fa0, fa5
; RV64F-SMALL-NEXT:    ret
;
; RV64F-MEDIUM-LABEL: lower_constantpool:
; RV64F-MEDIUM:       # %bb.0:
; RV64F-MEDIUM-NEXT:  .Lpcrel_hi3:
; RV64F-MEDIUM-NEXT:    auipc a0, %pcrel_hi(.LCPI3_0)
; RV64F-MEDIUM-NEXT:    flw fa5, %pcrel_lo(.Lpcrel_hi3)(a0)
; RV64F-MEDIUM-NEXT:    fadd.s fa0, fa0, fa5
; RV64F-MEDIUM-NEXT:    ret
;
; RV64F-LARGE-LABEL: lower_constantpool:
; RV64F-LARGE:       # %bb.0:
; RV64F-LARGE-NEXT:  .Lpcrel_hi3:
; RV64F-LARGE-NEXT:    auipc a0, %pcrel_hi(.LCPI3_0)
; RV64F-LARGE-NEXT:    flw fa5, %pcrel_lo(.Lpcrel_hi3)(a0)
; RV64F-LARGE-NEXT:    fadd.s fa0, fa0, fa5
; RV64F-LARGE-NEXT:    ret
;
; RV32FINX-SMALL-LABEL: lower_constantpool:
; RV32FINX-SMALL:       # %bb.0:
; RV32FINX-SMALL-NEXT:    lui a1, 260097
; RV32FINX-SMALL-NEXT:    addi a1, a1, -2048
; RV32FINX-SMALL-NEXT:    fadd.s a0, a0, a1
; RV32FINX-SMALL-NEXT:    ret
;
; RV32FINX-MEDIUM-LABEL: lower_constantpool:
; RV32FINX-MEDIUM:       # %bb.0:
; RV32FINX-MEDIUM-NEXT:    lui a1, 260097
; RV32FINX-MEDIUM-NEXT:    addi a1, a1, -2048
; RV32FINX-MEDIUM-NEXT:    fadd.s a0, a0, a1
; RV32FINX-MEDIUM-NEXT:    ret
;
; RV64FINX-SMALL-LABEL: lower_constantpool:
; RV64FINX-SMALL:       # %bb.0:
; RV64FINX-SMALL-NEXT:    lui a1, 260097
; RV64FINX-SMALL-NEXT:    addi a1, a1, -2048
; RV64FINX-SMALL-NEXT:    fadd.s a0, a0, a1
; RV64FINX-SMALL-NEXT:    ret
;
; RV64FINX-MEDIUM-LABEL: lower_constantpool:
; RV64FINX-MEDIUM:       # %bb.0:
; RV64FINX-MEDIUM-NEXT:    lui a1, 260097
; RV64FINX-MEDIUM-NEXT:    addi a1, a1, -2048
; RV64FINX-MEDIUM-NEXT:    fadd.s a0, a0, a1
; RV64FINX-MEDIUM-NEXT:    ret
;
; RV64FINX-LARGE-LABEL: lower_constantpool:
; RV64FINX-LARGE:       # %bb.0:
; RV64FINX-LARGE-NEXT:    lui a1, 260097
; RV64FINX-LARGE-NEXT:    addi a1, a1, -2048
; RV64FINX-LARGE-NEXT:    fadd.s a0, a0, a1
; RV64FINX-LARGE-NEXT:    ret
  %1 = fadd float %a, 1.000244140625
  ret float %1
}

; Check lowering of extern_weaks
@W = extern_weak global i32

define i32 @lower_extern_weak(i32 %a) nounwind {
; RV32I-SMALL-LABEL: lower_extern_weak:
; RV32I-SMALL:       # %bb.0:
; RV32I-SMALL-NEXT:    lui a0, %hi(W)
; RV32I-SMALL-NEXT:    lw a0, %lo(W)(a0)
; RV32I-SMALL-NEXT:    ret
;
; RV32F-MEDIUM-LABEL: lower_extern_weak:
; RV32F-MEDIUM:       # %bb.0:
; RV32F-MEDIUM-NEXT:  .Lpcrel_hi4:
; RV32F-MEDIUM-NEXT:    auipc a0, %got_pcrel_hi(W)
; RV32F-MEDIUM-NEXT:    lw a0, %pcrel_lo(.Lpcrel_hi4)(a0)
; RV32F-MEDIUM-NEXT:    lw a0, 0(a0)
; RV32F-MEDIUM-NEXT:    ret
;
; RV64I-SMALL-LABEL: lower_extern_weak:
; RV64I-SMALL:       # %bb.0:
; RV64I-SMALL-NEXT:    lui a0, %hi(W)
; RV64I-SMALL-NEXT:    lw a0, %lo(W)(a0)
; RV64I-SMALL-NEXT:    ret
;
; RV64F-MEDIUM-LABEL: lower_extern_weak:
; RV64F-MEDIUM:       # %bb.0:
; RV64F-MEDIUM-NEXT:  .Lpcrel_hi4:
; RV64F-MEDIUM-NEXT:    auipc a0, %got_pcrel_hi(W)
; RV64F-MEDIUM-NEXT:    ld a0, %pcrel_lo(.Lpcrel_hi4)(a0)
; RV64F-MEDIUM-NEXT:    lw a0, 0(a0)
; RV64F-MEDIUM-NEXT:    ret
;
; RV64F-LARGE-LABEL: lower_extern_weak:
; RV64F-LARGE:       # %bb.0:
; RV64F-LARGE-NEXT:  .Lpcrel_hi4:
; RV64F-LARGE-NEXT:    auipc a0, %pcrel_hi(.LCPI4_0)
; RV64F-LARGE-NEXT:    ld a0, %pcrel_lo(.Lpcrel_hi4)(a0)
; RV64F-LARGE-NEXT:    lw a0, 0(a0)
; RV64F-LARGE-NEXT:    ret
;
; RV32FINX-MEDIUM-LABEL: lower_extern_weak:
; RV32FINX-MEDIUM:       # %bb.0:
; RV32FINX-MEDIUM-NEXT:  .Lpcrel_hi3:
; RV32FINX-MEDIUM-NEXT:    auipc a0, %got_pcrel_hi(W)
; RV32FINX-MEDIUM-NEXT:    lw a0, %pcrel_lo(.Lpcrel_hi3)(a0)
; RV32FINX-MEDIUM-NEXT:    lw a0, 0(a0)
; RV32FINX-MEDIUM-NEXT:    ret
;
; RV64FINX-MEDIUM-LABEL: lower_extern_weak:
; RV64FINX-MEDIUM:       # %bb.0:
; RV64FINX-MEDIUM-NEXT:  .Lpcrel_hi3:
; RV64FINX-MEDIUM-NEXT:    auipc a0, %got_pcrel_hi(W)
; RV64FINX-MEDIUM-NEXT:    ld a0, %pcrel_lo(.Lpcrel_hi3)(a0)
; RV64FINX-MEDIUM-NEXT:    lw a0, 0(a0)
; RV64FINX-MEDIUM-NEXT:    ret
;
; RV64FINX-LARGE-LABEL: lower_extern_weak:
; RV64FINX-LARGE:       # %bb.0:
; RV64FINX-LARGE-NEXT:  .Lpcrel_hi3:
; RV64FINX-LARGE-NEXT:    auipc a0, %pcrel_hi(.LCPI4_0)
; RV64FINX-LARGE-NEXT:    ld a0, %pcrel_lo(.Lpcrel_hi3)(a0)
; RV64FINX-LARGE-NEXT:    lw a0, 0(a0)
; RV64FINX-LARGE-NEXT:    ret
  %1 = load volatile i32, ptr @W
  ret i32 %1
}

@X = global half 1.5

define half @lower_global_half(half %a) nounwind {
; RV32F-SMALL-LABEL: lower_global_half:
; RV32F-SMALL:       # %bb.0:
; RV32F-SMALL-NEXT:    lui a0, %hi(X)
; RV32F-SMALL-NEXT:    flh fa5, %lo(X)(a0)
; RV32F-SMALL-NEXT:    fadd.h fa0, fa0, fa5
; RV32F-SMALL-NEXT:    ret
;
; RV32F-MEDIUM-LABEL: lower_global_half:
; RV32F-MEDIUM:       # %bb.0:
; RV32F-MEDIUM-NEXT:  .Lpcrel_hi5:
; RV32F-MEDIUM-NEXT:    auipc a0, %pcrel_hi(X)
; RV32F-MEDIUM-NEXT:    flh fa5, %pcrel_lo(.Lpcrel_hi5)(a0)
; RV32F-MEDIUM-NEXT:    fadd.h fa0, fa0, fa5
; RV32F-MEDIUM-NEXT:    ret
;
; RV64F-SMALL-LABEL: lower_global_half:
; RV64F-SMALL:       # %bb.0:
; RV64F-SMALL-NEXT:    lui a0, %hi(X)
; RV64F-SMALL-NEXT:    flh fa5, %lo(X)(a0)
; RV64F-SMALL-NEXT:    fadd.h fa0, fa0, fa5
; RV64F-SMALL-NEXT:    ret
;
; RV64F-MEDIUM-LABEL: lower_global_half:
; RV64F-MEDIUM:       # %bb.0:
; RV64F-MEDIUM-NEXT:  .Lpcrel_hi5:
; RV64F-MEDIUM-NEXT:    auipc a0, %pcrel_hi(X)
; RV64F-MEDIUM-NEXT:    flh fa5, %pcrel_lo(.Lpcrel_hi5)(a0)
; RV64F-MEDIUM-NEXT:    fadd.h fa0, fa0, fa5
; RV64F-MEDIUM-NEXT:    ret
;
; RV64F-LARGE-LABEL: lower_global_half:
; RV64F-LARGE:       # %bb.0:
; RV64F-LARGE-NEXT:  .Lpcrel_hi5:
; RV64F-LARGE-NEXT:    auipc a0, %pcrel_hi(.LCPI5_0)
; RV64F-LARGE-NEXT:    ld a0, %pcrel_lo(.Lpcrel_hi5)(a0)
; RV64F-LARGE-NEXT:    flh fa5, 0(a0)
; RV64F-LARGE-NEXT:    fadd.h fa0, fa0, fa5
; RV64F-LARGE-NEXT:    ret
;
; RV32FINX-SMALL-LABEL: lower_global_half:
; RV32FINX-SMALL:       # %bb.0:
; RV32FINX-SMALL-NEXT:    lui a1, %hi(X)
; RV32FINX-SMALL-NEXT:    lh a1, %lo(X)(a1)
; RV32FINX-SMALL-NEXT:    fadd.h a0, a0, a1
; RV32FINX-SMALL-NEXT:    ret
;
; RV32FINX-MEDIUM-LABEL: lower_global_half:
; RV32FINX-MEDIUM:       # %bb.0:
; RV32FINX-MEDIUM-NEXT:  .Lpcrel_hi4:
; RV32FINX-MEDIUM-NEXT:    auipc a1, %pcrel_hi(X)
; RV32FINX-MEDIUM-NEXT:    lh a1, %pcrel_lo(.Lpcrel_hi4)(a1)
; RV32FINX-MEDIUM-NEXT:    fadd.h a0, a0, a1
; RV32FINX-MEDIUM-NEXT:    ret
;
; RV64FINX-SMALL-LABEL: lower_global_half:
; RV64FINX-SMALL:       # %bb.0:
; RV64FINX-SMALL-NEXT:    lui a1, %hi(X)
; RV64FINX-SMALL-NEXT:    lh a1, %lo(X)(a1)
; RV64FINX-SMALL-NEXT:    fadd.h a0, a0, a1
; RV64FINX-SMALL-NEXT:    ret
;
; RV64FINX-MEDIUM-LABEL: lower_global_half:
; RV64FINX-MEDIUM:       # %bb.0:
; RV64FINX-MEDIUM-NEXT:  .Lpcrel_hi4:
; RV64FINX-MEDIUM-NEXT:    auipc a1, %pcrel_hi(X)
; RV64FINX-MEDIUM-NEXT:    lh a1, %pcrel_lo(.Lpcrel_hi4)(a1)
; RV64FINX-MEDIUM-NEXT:    fadd.h a0, a0, a1
; RV64FINX-MEDIUM-NEXT:    ret
;
; RV64FINX-LARGE-LABEL: lower_global_half:
; RV64FINX-LARGE:       # %bb.0:
; RV64FINX-LARGE-NEXT:  .Lpcrel_hi4:
; RV64FINX-LARGE-NEXT:    auipc a1, %pcrel_hi(.LCPI5_0)
; RV64FINX-LARGE-NEXT:    ld a1, %pcrel_lo(.Lpcrel_hi4)(a1)
; RV64FINX-LARGE-NEXT:    lh a1, 0(a1)
; RV64FINX-LARGE-NEXT:    fadd.h a0, a0, a1
; RV64FINX-LARGE-NEXT:    ret
  %b = load half, ptr @X
  %1 = fadd half %a, %b
  ret half %1
}