1 ; RUN: llc -verify-machineinstrs -disable-fp-elim -enable-shrink-wrap=false < %s -mtriple=aarch64-apple-ios -disable-post-ra | FileCheck --check-prefix=CHECK-APPLE %s
2 ; RUN: llc -verify-machineinstrs -disable-fp-elim -O0 < %s -mtriple=aarch64-apple-ios -disable-post-ra | FileCheck --check-prefix=CHECK-O0 %s
4 declare i8* @malloc(i64)
5 declare void @free(i8*)
6 %swift_error = type {i64, i8}
8 ; This tests the basic usage of a swifterror parameter. "foo" is the function
9 ; that takes a swifterror parameter and "caller" is the caller of "foo".
10 define float @foo(%swift_error** swifterror %error_ptr_ref) {
11 ; CHECK-APPLE-LABEL: foo:
12 ; CHECK-APPLE: orr w0, wzr, #0x10
14 ; CHECK-APPLE: orr [[ID:w[0-9]+]], wzr, #0x1
15 ; CHECK-APPLE: strb [[ID]], [x0, #8]
16 ; CHECK-APPLE: mov x21, x0
17 ; CHECK-APPLE-NOT: x21
19 ; CHECK-O0-LABEL: foo:
20 ; CHECK-O0: orr w{{.*}}, wzr, #0x10
22 ; CHECK-O0: mov x21, x0
24 ; CHECK-O0: orr [[ID:w[0-9]+]], wzr, #0x1
26 ; CHECK-O0: strb [[ID]], [x0, #8]
29 %call = call i8* @malloc(i64 16)
30 %call.0 = bitcast i8* %call to %swift_error*
31 store %swift_error* %call.0, %swift_error** %error_ptr_ref
32 %tmp = getelementptr inbounds i8, i8* %call, i64 8
37 ; "caller" calls "foo" that takes a swifterror parameter.
38 define float @caller(i8* %error_ref) {
39 ; CHECK-APPLE-LABEL: caller:
40 ; CHECK-APPLE: mov [[ID:x[0-9]+]], x0
41 ; CHECK-APPLE: mov x21, xzr
42 ; CHECK-APPLE: bl {{.*}}foo
43 ; CHECK-APPLE: cbnz x21
44 ; Access part of the error object and save it to error_ref
45 ; CHECK-APPLE: ldrb [[CODE:w[0-9]+]], [x21, #8]
46 ; CHECK-APPLE: strb [[CODE]], [{{.*}}[[ID]]]
47 ; CHECK-APPLE: mov x0, x21
48 ; CHECK-APPLE: bl {{.*}}free
50 ; CHECK-O0-LABEL: caller:
52 ; CHECK-O0: bl {{.*}}foo
53 ; CHECK-O0: mov [[ID:x[0-9]+]], x21
56 %error_ptr_ref = alloca swifterror %swift_error*
57 store %swift_error* null, %swift_error** %error_ptr_ref
58 %call = call float @foo(%swift_error** swifterror %error_ptr_ref)
59 %error_from_foo = load %swift_error*, %swift_error** %error_ptr_ref
60 %had_error_from_foo = icmp ne %swift_error* %error_from_foo, null
61 %tmp = bitcast %swift_error* %error_from_foo to i8*
62 br i1 %had_error_from_foo, label %handler, label %cont
64 %v1 = getelementptr inbounds %swift_error, %swift_error* %error_from_foo, i64 0, i32 1
66 store i8 %t, i8* %error_ref
69 call void @free(i8* %tmp)
73 ; "caller2" is the caller of "foo", it calls "foo" inside a loop.
74 define float @caller2(i8* %error_ref) {
75 ; CHECK-APPLE-LABEL: caller2:
76 ; CHECK-APPLE: mov [[ID:x[0-9]+]], x0
77 ; CHECK-APPLE: fmov [[CMP:s[0-9]+]], #1.0
78 ; CHECK-APPLE: mov x21, xzr
79 ; CHECK-APPLE: bl {{.*}}foo
80 ; CHECK-APPLE: cbnz x21
81 ; CHECK-APPLE: fcmp s0, [[CMP]]
83 ; Access part of the error object and save it to error_ref
84 ; CHECK-APPLE: ldrb [[CODE:w[0-9]+]], [x21, #8]
85 ; CHECK-APPLE: strb [[CODE]], [{{.*}}[[ID]]]
86 ; CHECK-APPLE: mov x0, x21
87 ; CHECK-APPLE: bl {{.*}}free
89 ; CHECK-O0-LABEL: caller2:
91 ; CHECK-O0: bl {{.*}}foo
92 ; CHECK-O0: mov [[ID:x[0-9]+]], x21
95 %error_ptr_ref = alloca swifterror %swift_error*
98 store %swift_error* null, %swift_error** %error_ptr_ref
99 %call = call float @foo(%swift_error** swifterror %error_ptr_ref)
100 %error_from_foo = load %swift_error*, %swift_error** %error_ptr_ref
101 %had_error_from_foo = icmp ne %swift_error* %error_from_foo, null
102 %tmp = bitcast %swift_error* %error_from_foo to i8*
103 br i1 %had_error_from_foo, label %handler, label %cont
105 %cmp = fcmp ogt float %call, 1.000000e+00
106 br i1 %cmp, label %bb_end, label %bb_loop
108 %v1 = getelementptr inbounds %swift_error, %swift_error* %error_from_foo, i64 0, i32 1
109 %t = load i8, i8* %v1
110 store i8 %t, i8* %error_ref
113 call void @free(i8* %tmp)
117 ; "foo_if" is a function that takes a swifterror parameter, it sets swifterror
118 ; under a certain condition.
119 define float @foo_if(%swift_error** swifterror %error_ptr_ref, i32 %cc) {
120 ; CHECK-APPLE-LABEL: foo_if:
121 ; CHECK-APPLE: cbz w0
122 ; CHECK-APPLE: orr w0, wzr, #0x10
123 ; CHECK-APPLE: malloc
124 ; CHECK-APPLE: orr [[ID:w[0-9]+]], wzr, #0x1
125 ; CHECK-APPLE: strb [[ID]], [x0, #8]
126 ; CHECK-APPLE: mov x21, x0
127 ; CHECK-APPLE-NOT: x21
130 ; CHECK-O0-LABEL: foo_if:
132 ; CHECK-O0: str x21, [sp, [[SLOT:#[0-9]+]]]
134 ; CHECK-O0: orr w{{.*}}, wzr, #0x10
136 ; CHECK-O0: mov [[ID:x[0-9]+]], x0
137 ; CHECK-O0: orr [[ID2:w[0-9]+]], wzr, #0x1
138 ; CHECK-O0: strb [[ID2]], [x0, #8]
139 ; CHECK-O0: mov x21, [[ID]]
142 ; CHECK-O0: ldr [[ID3:x[0-9]+]], [sp, [[SLOT]]]
143 ; CHECK-O0: mov x21, [[ID3]]
146 %cond = icmp ne i32 %cc, 0
147 br i1 %cond, label %gen_error, label %normal
150 %call = call i8* @malloc(i64 16)
151 %call.0 = bitcast i8* %call to %swift_error*
152 store %swift_error* %call.0, %swift_error** %error_ptr_ref
153 %tmp = getelementptr inbounds i8, i8* %call, i64 8
161 ; "foo_loop" is a function that takes a swifterror parameter, it sets swifterror
162 ; under a certain condition inside a loop.
163 define float @foo_loop(%swift_error** swifterror %error_ptr_ref, i32 %cc, float %cc2) {
164 ; CHECK-APPLE-LABEL: foo_loop:
165 ; CHECK-APPLE: mov x0, x21
167 ; CHECK-APPLE: orr w0, wzr, #0x10
168 ; CHECK-APPLE: malloc
169 ; CHECK-APPLE: strb w{{.*}}, [x0, #8]
172 ; CHECK-APPLE: mov x21, x0
175 ; CHECK-O0-LABEL: foo_loop:
177 ; CHECK-O0: str x21, [sp, [[SLOT:#[0-9]+]]]
178 ; CHECK-O0: b [[BB1:[A-Za-z0-9_]*]]
180 ; CHECK-O0: ldr x0, [sp, [[SLOT]]]
181 ; CHECK-O0: str x0, [sp, [[SLOT2:#[0-9]+]]]
182 ; CHECK-O0: cbz {{.*}}, [[BB2:[A-Za-z0-9_]*]]
183 ; CHECK-O0: orr w{{.*}}, wzr, #0x10
185 ; CHECK-O0: mov [[ID:x[0-9]+]], x0
186 ; CHECK-O0: strb w{{.*}}, [{{.*}}[[ID]], #8]
188 ; CHECK-O0: str x0, [sp, [[SLOT2]]]
190 ; CHECK-O0: ldr x0, [sp, [[SLOT2]]]
192 ; CHECK-O0: str x0, [sp]
193 ; CHECK-O0: b.le [[BB1]]
195 ; CHECK-O0: ldr [[ID3:x[0-9]+]], [sp]
196 ; CHECK-O0: mov x21, [[ID3]]
202 %cond = icmp ne i32 %cc, 0
203 br i1 %cond, label %gen_error, label %bb_cont
206 %call = call i8* @malloc(i64 16)
207 %call.0 = bitcast i8* %call to %swift_error*
208 store %swift_error* %call.0, %swift_error** %error_ptr_ref
209 %tmp = getelementptr inbounds i8, i8* %call, i64 8
214 %cmp = fcmp ogt float %cc2, 1.000000e+00
215 br i1 %cmp, label %bb_end, label %bb_loop
220 %struct.S = type { i32, i32, i32, i32, i32, i32 }
222 ; "foo_sret" is a function that takes a swifterror parameter, it also has a sret
224 define void @foo_sret(%struct.S* sret %agg.result, i32 %val1, %swift_error** swifterror %error_ptr_ref) {
225 ; CHECK-APPLE-LABEL: foo_sret:
226 ; CHECK-APPLE: mov [[SRET:x[0-9]+]], x8
227 ; CHECK-APPLE: orr w0, wzr, #0x10
228 ; CHECK-APPLE: malloc
229 ; CHECK-APPLE: orr [[ID:w[0-9]+]], wzr, #0x1
230 ; CHECK-APPLE: strb [[ID]], [x0, #8]
231 ; CHECK-APPLE: str w{{.*}}, [{{.*}}[[SRET]], #4]
232 ; CHECK-APPLE: mov x21, x0
233 ; CHECK-APPLE-NOT: x21
235 ; CHECK-O0-LABEL: foo_sret:
236 ; CHECK-O0: orr w{{.*}}, wzr, #0x10
238 ; CHECK-O0-DAG: str x8
240 ; CHECK-O0-DAG: str x21
242 ; CHECK-O0: orr [[ID:w[0-9]+]], wzr, #0x1
243 ; CHECK-O0: strb [[ID]], [x0, #8]
245 ; CHECK-O0: ldr [[SRET:x[0-9]+]]
246 ; CHECK-O0: str w{{.*}}, [{{.*}}[[SRET]], #4]
250 %call = call i8* @malloc(i64 16)
251 %call.0 = bitcast i8* %call to %swift_error*
252 store %swift_error* %call.0, %swift_error** %error_ptr_ref
253 %tmp = getelementptr inbounds i8, i8* %call, i64 8
255 %v2 = getelementptr inbounds %struct.S, %struct.S* %agg.result, i32 0, i32 1
256 store i32 %val1, i32* %v2
260 ; "caller3" calls "foo_sret" that takes a swifterror parameter.
261 define float @caller3(i8* %error_ref) {
262 ; CHECK-APPLE-LABEL: caller3:
263 ; CHECK-APPLE: mov [[ID:x[0-9]+]], x0
264 ; CHECK-APPLE: mov x21, xzr
265 ; CHECK-APPLE: bl {{.*}}foo_sret
266 ; CHECK-APPLE: cbnz x21
267 ; Access part of the error object and save it to error_ref
268 ; CHECK-APPLE: ldrb [[CODE:w[0-9]+]], [x21, #8]
269 ; CHECK-APPLE: strb [[CODE]], [{{.*}}[[ID]]]
270 ; CHECK-APPLE: mov x0, x21
271 ; CHECK-APPLE: bl {{.*}}free
273 ; CHECK-O0-LABEL: caller3:
277 ; CHECK-O0: bl {{.*}}foo_sret
278 ; CHECK-O0: mov [[ID2:x[0-9]+]], x21
280 ; Access part of the error object and save it to error_ref
282 ; CHECK-O0: ldrb [[CODE:w[0-9]+]]
283 ; CHECK-O0: ldr [[ID:x[0-9]+]]
284 ; CHECK-O0: strb [[CODE]], [{{.*}}[[ID]]]
285 ; CHECK-O0: bl {{.*}}free
287 %s = alloca %struct.S, align 8
288 %error_ptr_ref = alloca swifterror %swift_error*
289 store %swift_error* null, %swift_error** %error_ptr_ref
290 call void @foo_sret(%struct.S* sret %s, i32 1, %swift_error** swifterror %error_ptr_ref)
291 %error_from_foo = load %swift_error*, %swift_error** %error_ptr_ref
292 %had_error_from_foo = icmp ne %swift_error* %error_from_foo, null
293 %tmp = bitcast %swift_error* %error_from_foo to i8*
294 br i1 %had_error_from_foo, label %handler, label %cont
296 %v1 = getelementptr inbounds %swift_error, %swift_error* %error_from_foo, i64 0, i32 1
297 %t = load i8, i8* %v1
298 store i8 %t, i8* %error_ref
301 call void @free(i8* %tmp)
305 ; "foo_vararg" is a function that takes a swifterror parameter, it also has
306 ; variable number of arguments.
307 declare void @llvm.va_start(i8*) nounwind
308 define float @foo_vararg(%swift_error** swifterror %error_ptr_ref, ...) {
309 ; CHECK-APPLE-LABEL: foo_vararg:
310 ; CHECK-APPLE: orr w0, wzr, #0x10
311 ; CHECK-APPLE: malloc
312 ; CHECK-APPLE-DAG: orr [[ID:w[0-9]+]], wzr, #0x1
313 ; CHECK-APPLE-DAG: add [[ARGS:x[0-9]+]], [[TMP:x[0-9]+]], #16
314 ; CHECK-APPLE-DAG: strb [[ID]], [x0, #8]
317 ; CHECK-APPLE-DAG: orr {{x[0-9]+}}, [[ARGS]], #0x8
318 ; CHECK-APPLE-DAG: ldr {{w[0-9]+}}, [{{.*}}[[TMP]], #16]
319 ; CHECK-APPLE-DAG: add {{x[0-9]+}}, {{x[0-9]+}}, #8
321 ; CHECK-APPLE-DAG: ldr {{w[0-9]+}}, [{{x[0-9]+}}], #8
322 ; CHECK-APPLE-DAG: add {{x[0-9]+}}, {{x[0-9]+}}, #16
324 ; CHECK-APPLE: ldr {{w[0-9]+}}, [{{x[0-9]+}}]
326 ; CHECK-APPLE: mov x21, x0
327 ; CHECK-APPLE-NOT: x21
329 %call = call i8* @malloc(i64 16)
330 %call.0 = bitcast i8* %call to %swift_error*
331 store %swift_error* %call.0, %swift_error** %error_ptr_ref
332 %tmp = getelementptr inbounds i8, i8* %call, i64 8
335 %args = alloca i8*, align 8
336 %a10 = alloca i32, align 4
337 %a11 = alloca i32, align 4
338 %a12 = alloca i32, align 4
339 %v10 = bitcast i8** %args to i8*
340 call void @llvm.va_start(i8* %v10)
341 %v11 = va_arg i8** %args, i32
342 store i32 %v11, i32* %a10, align 4
343 %v12 = va_arg i8** %args, i32
344 store i32 %v12, i32* %a11, align 4
345 %v13 = va_arg i8** %args, i32
346 store i32 %v13, i32* %a12, align 4
351 ; "caller4" calls "foo_vararg" that takes a swifterror parameter.
352 define float @caller4(i8* %error_ref) {
353 ; CHECK-APPLE-LABEL: caller4:
355 ; CHECK-APPLE: mov [[ID:x[0-9]+]], x0
356 ; CHECK-APPLE: stp {{x[0-9]+}}, {{x[0-9]+}}, [sp, #8]
357 ; CHECK-APPLE: str {{x[0-9]+}}, [sp]
359 ; CHECK-APPLE: mov x21, xzr
360 ; CHECK-APPLE: bl {{.*}}foo_vararg
361 ; CHECK-APPLE: cbnz x21
362 ; Access part of the error object and save it to error_ref
363 ; CHECK-APPLE: ldrb [[CODE:w[0-9]+]], [x21, #8]
364 ; CHECK-APPLE: strb [[CODE]], [{{.*}}[[ID]]]
365 ; CHECK-APPLE: mov x0, x21
366 ; CHECK-APPLE: bl {{.*}}free
368 %error_ptr_ref = alloca swifterror %swift_error*
369 store %swift_error* null, %swift_error** %error_ptr_ref
371 %a10 = alloca i32, align 4
372 %a11 = alloca i32, align 4
373 %a12 = alloca i32, align 4
374 store i32 10, i32* %a10, align 4
375 store i32 11, i32* %a11, align 4
376 store i32 12, i32* %a12, align 4
377 %v10 = load i32, i32* %a10, align 4
378 %v11 = load i32, i32* %a11, align 4
379 %v12 = load i32, i32* %a12, align 4
381 %call = call float (%swift_error**, ...) @foo_vararg(%swift_error** swifterror %error_ptr_ref, i32 %v10, i32 %v11, i32 %v12)
382 %error_from_foo = load %swift_error*, %swift_error** %error_ptr_ref
383 %had_error_from_foo = icmp ne %swift_error* %error_from_foo, null
384 %tmp = bitcast %swift_error* %error_from_foo to i8*
385 br i1 %had_error_from_foo, label %handler, label %cont
388 %v1 = getelementptr inbounds %swift_error, %swift_error* %error_from_foo, i64 0, i32 1
389 %t = load i8, i8* %v1
390 store i8 %t, i8* %error_ref
393 call void @free(i8* %tmp)
397 ; Check that we don't blow up on tail calling swifterror argument functions.
398 define float @tailcallswifterror(%swift_error** swifterror %error_ptr_ref) {
400 %0 = tail call float @tailcallswifterror(%swift_error** swifterror %error_ptr_ref)
403 define swiftcc float @tailcallswifterror_swiftcc(%swift_error** swifterror %error_ptr_ref) {
405 %0 = tail call swiftcc float @tailcallswifterror_swiftcc(%swift_error** swifterror %error_ptr_ref)
409 ; CHECK-APPLE-LABEL: swifterror_clobber
410 ; CHECK-APPLE: mov [[REG:x[0-9]+]], x21
412 ; CHECK-APPLE: mov x21, [[REG]]
413 define swiftcc void @swifterror_clobber(%swift_error** nocapture swifterror %err) {
414 call void asm sideeffect "nop", "~{x21}"()
418 ; CHECK-APPLE-LABEL: swifterror_reg_clobber
419 ; CHECK-APPLE: stp {{.*}}x21
421 ; CHECK-APPLE: ldp {{.*}}x21
422 define swiftcc void @swifterror_reg_clobber(%swift_error** nocapture %err) {
423 call void asm sideeffect "nop", "~{x21}"()
426 ; CHECK-APPLE-LABEL: params_in_reg
427 ; Save callee saved registers and swifterror since it will be clobbered by the first call to params_in_reg2.
428 ; CHECK-APPLE: stp x21, x28, [sp
429 ; CHECK-APPLE: stp x27, x26, [sp
430 ; CHECK-APPLE: stp x25, x24, [sp
431 ; CHECK-APPLE: stp x23, x22, [sp
432 ; CHECK-APPLE: stp x20, x19, [sp
433 ; CHECK-APPLE: stp x29, x30, [sp
434 ; CHECK-APPLE: str x20, [sp
435 ; Store argument registers.
436 ; CHECK-APPLE: mov x23, x7
437 ; CHECK-APPLE: mov x24, x6
438 ; CHECK-APPLE: mov x25, x5
439 ; CHECK-APPLE: mov x26, x4
440 ; CHECK-APPLE: mov x27, x3
441 ; CHECK-APPLE: mov x28, x2
442 ; CHECK-APPLE: mov x19, x1
443 ; CHECK-APPLE: mov x22, x0
445 ; CHECK-APPLE: orr w0, wzr, #0x1
446 ; CHECK-APPLE: orr w1, wzr, #0x2
447 ; CHECK-APPLE: orr w2, wzr, #0x3
448 ; CHECK-APPLE: orr w3, wzr, #0x4
449 ; CHECK-APPLE: mov w4, #5
450 ; CHECK-APPLE: orr w5, wzr, #0x6
451 ; CHECK-APPLE: orr w6, wzr, #0x7
452 ; CHECK-APPLE: orr w7, wzr, #0x8
453 ; CHECK-APPLE: mov x20, xzr
454 ; CHECK-APPLE: mov x21, xzr
455 ; CHECK-APPLE: bl _params_in_reg2
456 ; Restore original arguments for next call.
457 ; CHECK-APPLE: mov x0, x22
458 ; CHECK-APPLE: mov x1, x19
459 ; CHECK-APPLE: mov x2, x28
460 ; CHECK-APPLE: mov x3, x27
461 ; CHECK-APPLE: mov x4, x26
462 ; CHECK-APPLE: mov x5, x25
463 ; CHECK-APPLE: mov x6, x24
464 ; CHECK-APPLE: mov x7, x23
465 ; Restore original swiftself argument and swifterror %err.
466 ; CHECK-APPLE: ldp x20, x21, [sp
467 ; CHECK-APPLE: bl _params_in_reg2
468 ; Restore calle save registers but don't clober swifterror x21.
469 ; CHECK-APPLE-NOT: x21
470 ; CHECK-APPLE: ldp x29, x30, [sp
471 ; CHECK-APPLE-NOT: x21
472 ; CHECK-APPLE: ldp x20, x19, [sp
473 ; CHECK-APPLE-NOT: x21
474 ; CHECK-APPLE: ldp x23, x22, [sp
475 ; CHECK-APPLE-NOT: x21
476 ; CHECK-APPLE: ldp x25, x24, [sp
477 ; CHECK-APPLE-NOT: x21
478 ; CHECK-APPLE: ldp x27, x26, [sp
479 ; CHECK-APPLE-NOT: x21
480 ; CHECK-APPLE: ldr x28, [sp
481 ; CHECK-APPLE-NOT: x21
483 define swiftcc void @params_in_reg(i64, i64, i64, i64, i64, i64, i64, i64, i8* swiftself, %swift_error** nocapture swifterror %err) {
484 %error_ptr_ref = alloca swifterror %swift_error*, align 8
485 store %swift_error* null, %swift_error** %error_ptr_ref
486 call swiftcc void @params_in_reg2(i64 1, i64 2, i64 3, i64 4, i64 5, i64 6, i64 7, i64 8, i8* swiftself null, %swift_error** nocapture swifterror %error_ptr_ref)
487 call swiftcc void @params_in_reg2(i64 %0, i64 %1, i64 %2, i64 %3, i64 %4, i64 %5, i64 %6, i64 %7, i8* swiftself %8, %swift_error** nocapture swifterror %err)
490 declare swiftcc void @params_in_reg2(i64, i64, i64, i64, i64, i64, i64, i64, i8* swiftself, %swift_error** nocapture swifterror %err)
492 ; CHECK-APPLE-LABEL: params_and_return_in_reg
493 ; Store callee saved registers.
494 ; CHECK-APPLE: stp x20, x28, [sp, #24
495 ; CHECK-APPLE: stp x27, x26, [sp
496 ; CHECK-APPLE: stp x25, x24, [sp
497 ; CHECK-APPLE: stp x23, x22, [sp
498 ; CHECK-APPLE: stp x20, x19, [sp
499 ; CHECK-APPLE: stp x29, x30, [sp
500 ; Save original arguments.
501 ; CHECK-APPLE: mov x23, x21
502 ; CHECK-APPLE: str x7, [sp, #16]
503 ; CHECK-APPLE: mov x24, x6
504 ; CHECK-APPLE: mov x25, x5
505 ; CHECK-APPLE: mov x26, x4
506 ; CHECK-APPLE: mov x27, x3
507 ; CHECK-APPLE: mov x28, x2
508 ; CHECK-APPLE: mov x19, x1
509 ; CHECK-APPLE: mov x22, x0
510 ; Setup call arguments.
511 ; CHECK-APPLE: orr w0, wzr, #0x1
512 ; CHECK-APPLE: orr w1, wzr, #0x2
513 ; CHECK-APPLE: orr w2, wzr, #0x3
514 ; CHECK-APPLE: orr w3, wzr, #0x4
515 ; CHECK-APPLE: mov w4, #5
516 ; CHECK-APPLE: orr w5, wzr, #0x6
517 ; CHECK-APPLE: orr w6, wzr, #0x7
518 ; CHECK-APPLE: orr w7, wzr, #0x8
519 ; CHECK-APPLE: mov x20, xzr
520 ; CHECK-APPLE: mov x21, xzr
521 ; CHECK-APPLE: bl _params_in_reg2
522 ; Store swifterror %error_ptr_ref.
523 ; CHECK-APPLE: str x21, [sp, #8]
524 ; Setup call arguments from original arguments.
525 ; CHECK-APPLE: mov x0, x22
526 ; CHECK-APPLE: mov x1, x19
527 ; CHECK-APPLE: mov x2, x28
528 ; CHECK-APPLE: mov x3, x27
529 ; CHECK-APPLE: mov x4, x26
530 ; CHECK-APPLE: mov x5, x25
531 ; CHECK-APPLE: mov x6, x24
532 ; CHECK-APPLE: ldp x7, x20, [sp, #16]
533 ; CHECK-APPLE: mov x21, x23
534 ; CHECK-APPLE: bl _params_and_return_in_reg2
535 ; Store return values.
536 ; CHECK-APPLE: mov x19, x0
537 ; CHECK-APPLE: mov x22, x1
538 ; CHECK-APPLE: mov x24, x2
539 ; CHECK-APPLE: mov x25, x3
540 ; CHECK-APPLE: mov x26, x4
541 ; CHECK-APPLE: mov x27, x5
542 ; CHECK-APPLE: mov x28, x6
543 ; CHECK-APPLE: mov x23, x7
544 ; Save swifterror %err.
545 ; CHECK-APPLE: str x21, [sp, #24]
547 ; CHECK-APPLE: orr w0, wzr, #0x1
548 ; CHECK-APPLE: orr w1, wzr, #0x2
549 ; CHECK-APPLE: orr w2, wzr, #0x3
550 ; CHECK-APPLE: orr w3, wzr, #0x4
551 ; CHECK-APPLE: mov w4, #5
552 ; CHECK-APPLE: orr w5, wzr, #0x6
553 ; CHECK-APPLE: orr w6, wzr, #0x7
554 ; CHECK-APPLE: orr w7, wzr, #0x8
555 ; CHECK-APPLE: mov x20, xzr
556 ; ... setup call with swiferror %error_ptr_ref.
557 ; CHECK-APPLE: ldr x21, [sp, #8]
558 ; CHECK-APPLE: bl _params_in_reg2
559 ; Restore return values for return from this function.
560 ; CHECK-APPLE: mov x0, x19
561 ; CHECK-APPLE: mov x1, x22
562 ; CHECK-APPLE: mov x2, x24
563 ; CHECK-APPLE: mov x3, x25
564 ; CHECK-APPLE: mov x4, x26
565 ; CHECK-APPLE: mov x5, x27
566 ; CHECK-APPLE: mov x6, x28
567 ; CHECK-APPLE: mov x7, x23
568 ; Restore swifterror %err and callee save registers.
569 ; CHECK-APPLE: ldp x21, x28, [sp, #24
570 ; CHECK-APPLE: ldp x29, x30, [sp
571 ; CHECK-APPLE: ldp x20, x19, [sp
572 ; CHECK-APPLE: ldp x23, x22, [sp
573 ; CHECK-APPLE: ldp x25, x24, [sp
574 ; CHECK-APPLE: ldp x27, x26, [sp
576 define swiftcc { i64, i64, i64, i64, i64, i64, i64, i64 } @params_and_return_in_reg(i64, i64, i64, i64, i64, i64, i64, i64, i8* swiftself, %swift_error** nocapture swifterror %err) {
577 %error_ptr_ref = alloca swifterror %swift_error*, align 8
578 store %swift_error* null, %swift_error** %error_ptr_ref
579 call swiftcc void @params_in_reg2(i64 1, i64 2, i64 3, i64 4, i64 5, i64 6, i64 7, i64 8, i8* swiftself null, %swift_error** nocapture swifterror %error_ptr_ref)
580 %val = call swiftcc { i64, i64, i64, i64, i64, i64, i64, i64 } @params_and_return_in_reg2(i64 %0, i64 %1, i64 %2, i64 %3, i64 %4, i64 %5, i64 %6, i64 %7, i8* swiftself %8, %swift_error** nocapture swifterror %err)
581 call swiftcc void @params_in_reg2(i64 1, i64 2, i64 3, i64 4, i64 5, i64 6, i64 7, i64 8, i8* swiftself null, %swift_error** nocapture swifterror %error_ptr_ref)
582 ret { i64, i64, i64, i64, i64, i64, i64, i64 } %val
585 declare swiftcc { i64, i64, i64, i64, i64, i64, i64, i64 } @params_and_return_in_reg2(i64, i64, i64, i64, i64, i64, i64, i64, i8* swiftself, %swift_error** nocapture swifterror %err)
587 declare void @acallee(i8*)
589 ; Make sure we don't tail call if the caller returns a swifterror value. We
590 ; would have to move into the swifterror register before the tail call.
591 ; CHECK-APPLE: tailcall_from_swifterror:
592 ; CHECK-APPLE-NOT: b _acallee
593 ; CHECK-APPLE: bl _acallee
595 define swiftcc void @tailcall_from_swifterror(%swift_error** swifterror %error_ptr_ref) {
597 tail call void @acallee(i8* null)
601 declare swiftcc void @foo2(%swift_error** swifterror)
603 ; Make sure we properly assign registers during fast-isel.
604 ; CHECK-O0-LABEL: testAssign
605 ; CHECK-O0: mov [[TMP:x.*]], xzr
606 ; CHECK-O0: mov x21, [[TMP]]
608 ; CHECK-O0: str x21, [s[[STK:.*]]]
609 ; CHECK-O0: ldr x0, [s[[STK]]]
611 ; CHECK-APPLE-LABEL: testAssign
612 ; CHECK-APPLE: mov x21, xzr
613 ; CHECK-APPLE: bl _foo2
614 ; CHECK-APPLE: mov x0, x21
616 define swiftcc %swift_error* @testAssign(i8* %error_ref) {
618 %error_ptr = alloca swifterror %swift_error*
619 store %swift_error* null, %swift_error** %error_ptr
620 call swiftcc void @foo2(%swift_error** swifterror %error_ptr)
624 %error = load %swift_error*, %swift_error** %error_ptr
625 ret %swift_error* %error