1 ; RUN: llc < %s -march=arm64 -mcpu=cyclone -enable-misched=false | FileCheck %s
2 ; RUN: llc < %s -O0 | FileCheck -check-prefix=FAST %s
3 target triple = "arm64-apple-darwin"
6 ; Generated from arm64-arguments.c with -O2.
7 ; Test passing structs with size < 8, < 16 and > 16
8 ; with alignment of 16 and without
10 ; Structs with size < 8
11 %struct.s38 = type { i32, i16 }
12 ; With alignment of 16, the size will be padded to multiple of 16 bytes.
13 %struct.s39 = type { i32, i16, [10 x i8] }
14 ; Structs with size < 16
15 %struct.s40 = type { i32, i16, i32, i16 }
16 %struct.s41 = type { i32, i16, i32, i16 }
17 ; Structs with size > 16
18 %struct.s42 = type { i32, i16, i32, i16, i32, i16 }
19 %struct.s43 = type { i32, i16, i32, i16, i32, i16, [10 x i8] }
21 @g38 = common global %struct.s38 zeroinitializer, align 4
22 @g38_2 = common global %struct.s38 zeroinitializer, align 4
23 @g39 = common global %struct.s39 zeroinitializer, align 16
24 @g39_2 = common global %struct.s39 zeroinitializer, align 16
25 @g40 = common global %struct.s40 zeroinitializer, align 4
26 @g40_2 = common global %struct.s40 zeroinitializer, align 4
27 @g41 = common global %struct.s41 zeroinitializer, align 16
28 @g41_2 = common global %struct.s41 zeroinitializer, align 16
29 @g42 = common global %struct.s42 zeroinitializer, align 4
30 @g42_2 = common global %struct.s42 zeroinitializer, align 4
31 @g43 = common global %struct.s43 zeroinitializer, align 16
32 @g43_2 = common global %struct.s43 zeroinitializer, align 16
34 ; structs with size < 8 bytes, passed via i64 in x1 and x2
35 define i32 @f38(i32 %i, i64 %s1.coerce, i64 %s2.coerce) #0 {
38 ; CHECK: add w[[A:[0-9]+]], w1, w0
39 ; CHECK: add {{w[0-9]+}}, w[[A]], w2
40 %s1.sroa.0.0.extract.trunc = trunc i64 %s1.coerce to i32
41 %s1.sroa.1.4.extract.shift = lshr i64 %s1.coerce, 32
42 %s2.sroa.0.0.extract.trunc = trunc i64 %s2.coerce to i32
43 %s2.sroa.1.4.extract.shift = lshr i64 %s2.coerce, 32
44 %sext8 = shl nuw nsw i64 %s1.sroa.1.4.extract.shift, 16
45 %sext = trunc i64 %sext8 to i32
46 %conv = ashr exact i32 %sext, 16
47 %sext1011 = shl nuw nsw i64 %s2.sroa.1.4.extract.shift, 16
48 %sext10 = trunc i64 %sext1011 to i32
49 %conv6 = ashr exact i32 %sext10, 16
50 %add = add i32 %s1.sroa.0.0.extract.trunc, %i
51 %add3 = add i32 %add, %s2.sroa.0.0.extract.trunc
52 %add4 = add i32 %add3, %conv
53 %add7 = add i32 %add4, %conv6
57 define i32 @caller38() #1 {
59 ; CHECK-LABEL: caller38
62 %0 = load i64, i64* bitcast (%struct.s38* @g38 to i64*), align 4
63 %1 = load i64, i64* bitcast (%struct.s38* @g38_2 to i64*), align 4
64 %call = tail call i32 @f38(i32 3, i64 %0, i64 %1) #5
68 declare i32 @f38_stack(i32 %i, i32 %i2, i32 %i3, i32 %i4, i32 %i5, i32 %i6,
69 i32 %i7, i32 %i8, i32 %i9, i64 %s1.coerce, i64 %s2.coerce) #0
71 ; structs with size < 8 bytes, passed on stack at [sp+8] and [sp+16]
73 define i32 @caller38_stack() #1 {
75 ; CHECK-LABEL: caller38_stack
76 ; CHECK: stp {{x[0-9]+}}, {{x[0-9]+}}, [sp, #8]
77 ; CHECK: movz w[[C:[0-9]+]], #0x9
78 ; CHECK: str w[[C]], [sp]
79 %0 = load i64, i64* bitcast (%struct.s38* @g38 to i64*), align 4
80 %1 = load i64, i64* bitcast (%struct.s38* @g38_2 to i64*), align 4
81 %call = tail call i32 @f38_stack(i32 1, i32 2, i32 3, i32 4, i32 5, i32 6,
82 i32 7, i32 8, i32 9, i64 %0, i64 %1) #5
86 ; structs with size < 8 bytes, alignment of 16
87 ; passed via i128 in x1 and x3
88 define i32 @f39(i32 %i, i128 %s1.coerce, i128 %s2.coerce) #0 {
91 ; CHECK: add w[[A:[0-9]+]], w1, w0
92 ; CHECK: add {{w[0-9]+}}, w[[A]], w3
93 %s1.sroa.0.0.extract.trunc = trunc i128 %s1.coerce to i32
94 %s1.sroa.1.4.extract.shift = lshr i128 %s1.coerce, 32
95 %s2.sroa.0.0.extract.trunc = trunc i128 %s2.coerce to i32
96 %s2.sroa.1.4.extract.shift = lshr i128 %s2.coerce, 32
97 %sext8 = shl nuw nsw i128 %s1.sroa.1.4.extract.shift, 16
98 %sext = trunc i128 %sext8 to i32
99 %conv = ashr exact i32 %sext, 16
100 %sext1011 = shl nuw nsw i128 %s2.sroa.1.4.extract.shift, 16
101 %sext10 = trunc i128 %sext1011 to i32
102 %conv6 = ashr exact i32 %sext10, 16
103 %add = add i32 %s1.sroa.0.0.extract.trunc, %i
104 %add3 = add i32 %add, %s2.sroa.0.0.extract.trunc
105 %add4 = add i32 %add3, %conv
106 %add7 = add i32 %add4, %conv6
110 define i32 @caller39() #1 {
112 ; CHECK-LABEL: caller39
115 %0 = load i128, i128* bitcast (%struct.s39* @g39 to i128*), align 16
116 %1 = load i128, i128* bitcast (%struct.s39* @g39_2 to i128*), align 16
117 %call = tail call i32 @f39(i32 3, i128 %0, i128 %1) #5
121 declare i32 @f39_stack(i32 %i, i32 %i2, i32 %i3, i32 %i4, i32 %i5, i32 %i6,
122 i32 %i7, i32 %i8, i32 %i9, i128 %s1.coerce, i128 %s2.coerce) #0
124 ; structs with size < 8 bytes, alignment 16
125 ; passed on stack at [sp+16] and [sp+32]
126 define i32 @caller39_stack() #1 {
128 ; CHECK-LABEL: caller39_stack
129 ; CHECK: stp {{x[0-9]+}}, {{x[0-9]+}}, [sp, #32]
130 ; CHECK: stp {{x[0-9]+}}, {{x[0-9]+}}, [sp, #16]
131 ; CHECK: movz w[[C:[0-9]+]], #0x9
132 ; CHECK: str w[[C]], [sp]
133 %0 = load i128, i128* bitcast (%struct.s39* @g39 to i128*), align 16
134 %1 = load i128, i128* bitcast (%struct.s39* @g39_2 to i128*), align 16
135 %call = tail call i32 @f39_stack(i32 1, i32 2, i32 3, i32 4, i32 5, i32 6,
136 i32 7, i32 8, i32 9, i128 %0, i128 %1) #5
140 ; structs with size < 16 bytes
141 ; passed via i128 in x1 and x3
142 define i32 @f40(i32 %i, [2 x i64] %s1.coerce, [2 x i64] %s2.coerce) #0 {
145 ; CHECK: add w[[A:[0-9]+]], w1, w0
146 ; CHECK: add {{w[0-9]+}}, w[[A]], w3
147 %s1.coerce.fca.0.extract = extractvalue [2 x i64] %s1.coerce, 0
148 %s2.coerce.fca.0.extract = extractvalue [2 x i64] %s2.coerce, 0
149 %s1.sroa.0.0.extract.trunc = trunc i64 %s1.coerce.fca.0.extract to i32
150 %s2.sroa.0.0.extract.trunc = trunc i64 %s2.coerce.fca.0.extract to i32
151 %s1.sroa.0.4.extract.shift = lshr i64 %s1.coerce.fca.0.extract, 32
152 %sext8 = shl nuw nsw i64 %s1.sroa.0.4.extract.shift, 16
153 %sext = trunc i64 %sext8 to i32
154 %conv = ashr exact i32 %sext, 16
155 %s2.sroa.0.4.extract.shift = lshr i64 %s2.coerce.fca.0.extract, 32
156 %sext1011 = shl nuw nsw i64 %s2.sroa.0.4.extract.shift, 16
157 %sext10 = trunc i64 %sext1011 to i32
158 %conv6 = ashr exact i32 %sext10, 16
159 %add = add i32 %s1.sroa.0.0.extract.trunc, %i
160 %add3 = add i32 %add, %s2.sroa.0.0.extract.trunc
161 %add4 = add i32 %add3, %conv
162 %add7 = add i32 %add4, %conv6
166 define i32 @caller40() #1 {
168 ; CHECK-LABEL: caller40
171 %0 = load [2 x i64], [2 x i64]* bitcast (%struct.s40* @g40 to [2 x i64]*), align 4
172 %1 = load [2 x i64], [2 x i64]* bitcast (%struct.s40* @g40_2 to [2 x i64]*), align 4
173 %call = tail call i32 @f40(i32 3, [2 x i64] %0, [2 x i64] %1) #5
177 declare i32 @f40_stack(i32 %i, i32 %i2, i32 %i3, i32 %i4, i32 %i5, i32 %i6,
178 i32 %i7, i32 %i8, i32 %i9, [2 x i64] %s1.coerce, [2 x i64] %s2.coerce) #0
180 ; structs with size < 16 bytes
181 ; passed on stack at [sp+8] and [sp+24]
182 define i32 @caller40_stack() #1 {
184 ; CHECK-LABEL: caller40_stack
185 ; CHECK: stp {{x[0-9]+}}, {{x[0-9]+}}, [sp, #24]
186 ; CHECK: stp {{x[0-9]+}}, {{x[0-9]+}}, [sp, #8]
187 ; CHECK: movz w[[C:[0-9]+]], #0x9
188 ; CHECK: str w[[C]], [sp]
189 %0 = load [2 x i64], [2 x i64]* bitcast (%struct.s40* @g40 to [2 x i64]*), align 4
190 %1 = load [2 x i64], [2 x i64]* bitcast (%struct.s40* @g40_2 to [2 x i64]*), align 4
191 %call = tail call i32 @f40_stack(i32 1, i32 2, i32 3, i32 4, i32 5, i32 6,
192 i32 7, i32 8, i32 9, [2 x i64] %0, [2 x i64] %1) #5
196 ; structs with size < 16 bytes, alignment of 16
197 ; passed via i128 in x1 and x3
198 define i32 @f41(i32 %i, i128 %s1.coerce, i128 %s2.coerce) #0 {
201 ; CHECK: add w[[A:[0-9]+]], w1, w0
202 ; CHECK: add {{w[0-9]+}}, w[[A]], w3
203 %s1.sroa.0.0.extract.trunc = trunc i128 %s1.coerce to i32
204 %s1.sroa.1.4.extract.shift = lshr i128 %s1.coerce, 32
205 %s2.sroa.0.0.extract.trunc = trunc i128 %s2.coerce to i32
206 %s2.sroa.1.4.extract.shift = lshr i128 %s2.coerce, 32
207 %sext8 = shl nuw nsw i128 %s1.sroa.1.4.extract.shift, 16
208 %sext = trunc i128 %sext8 to i32
209 %conv = ashr exact i32 %sext, 16
210 %sext1011 = shl nuw nsw i128 %s2.sroa.1.4.extract.shift, 16
211 %sext10 = trunc i128 %sext1011 to i32
212 %conv6 = ashr exact i32 %sext10, 16
213 %add = add i32 %s1.sroa.0.0.extract.trunc, %i
214 %add3 = add i32 %add, %s2.sroa.0.0.extract.trunc
215 %add4 = add i32 %add3, %conv
216 %add7 = add i32 %add4, %conv6
220 define i32 @caller41() #1 {
222 ; CHECK-LABEL: caller41
225 %0 = load i128, i128* bitcast (%struct.s41* @g41 to i128*), align 16
226 %1 = load i128, i128* bitcast (%struct.s41* @g41_2 to i128*), align 16
227 %call = tail call i32 @f41(i32 3, i128 %0, i128 %1) #5
231 declare i32 @f41_stack(i32 %i, i32 %i2, i32 %i3, i32 %i4, i32 %i5, i32 %i6,
232 i32 %i7, i32 %i8, i32 %i9, i128 %s1.coerce, i128 %s2.coerce) #0
234 ; structs with size < 16 bytes, alignment of 16
235 ; passed on stack at [sp+16] and [sp+32]
236 define i32 @caller41_stack() #1 {
238 ; CHECK-LABEL: caller41_stack
239 ; CHECK: stp {{x[0-9]+}}, {{x[0-9]+}}, [sp, #32]
240 ; CHECK: stp {{x[0-9]+}}, {{x[0-9]+}}, [sp, #16]
241 ; CHECK: movz w[[C:[0-9]+]], #0x9
242 ; CHECK: str w[[C]], [sp]
243 %0 = load i128, i128* bitcast (%struct.s41* @g41 to i128*), align 16
244 %1 = load i128, i128* bitcast (%struct.s41* @g41_2 to i128*), align 16
245 %call = tail call i32 @f41_stack(i32 1, i32 2, i32 3, i32 4, i32 5, i32 6,
246 i32 7, i32 8, i32 9, i128 %0, i128 %1) #5
250 ; structs with size of 22 bytes, passed indirectly in x1 and x2
251 define i32 @f42(i32 %i, %struct.s42* nocapture %s1, %struct.s42* nocapture %s2) #2 {
254 ; CHECK: ldr w[[A:[0-9]+]], [x1]
255 ; CHECK: ldr w[[B:[0-9]+]], [x2]
256 ; CHECK: add w[[C:[0-9]+]], w[[A]], w0
257 ; CHECK: add {{w[0-9]+}}, w[[C]], w[[B]]
259 ; FAST: ldr w[[A:[0-9]+]], [x1]
260 ; FAST: ldr w[[B:[0-9]+]], [x2]
261 ; FAST: add w[[C:[0-9]+]], w[[A]], w0
262 ; FAST: add {{w[0-9]+}}, w[[C]], w[[B]]
263 %i1 = getelementptr inbounds %struct.s42, %struct.s42* %s1, i64 0, i32 0
264 %0 = load i32, i32* %i1, align 4, !tbaa !0
265 %i2 = getelementptr inbounds %struct.s42, %struct.s42* %s2, i64 0, i32 0
266 %1 = load i32, i32* %i2, align 4, !tbaa !0
267 %s = getelementptr inbounds %struct.s42, %struct.s42* %s1, i64 0, i32 1
268 %2 = load i16, i16* %s, align 2, !tbaa !3
269 %conv = sext i16 %2 to i32
270 %s5 = getelementptr inbounds %struct.s42, %struct.s42* %s2, i64 0, i32 1
271 %3 = load i16, i16* %s5, align 2, !tbaa !3
272 %conv6 = sext i16 %3 to i32
273 %add = add i32 %0, %i
274 %add3 = add i32 %add, %1
275 %add4 = add i32 %add3, %conv
276 %add7 = add i32 %add4, %conv6
280 ; For s1, we allocate a 22-byte space, pass its address via x1
281 define i32 @caller42() #3 {
283 ; CHECK-LABEL: caller42
284 ; CHECK: str {{x[0-9]+}}, [sp, #48]
285 ; CHECK: str {{q[0-9]+}}, [sp, #32]
286 ; CHECK: str {{x[0-9]+}}, [sp, #16]
287 ; CHECK: str {{q[0-9]+}}, [sp]
288 ; CHECK: add x1, sp, #32
290 ; Space for s1 is allocated at sp+32
291 ; Space for s2 is allocated at sp
293 ; FAST-LABEL: caller42
294 ; FAST: sub sp, sp, #96
295 ; Space for s1 is allocated at fp-24 = sp+72
296 ; Space for s2 is allocated at sp+48
297 ; FAST: sub x[[A:[0-9]+]], x29, #24
298 ; FAST: add x[[A:[0-9]+]], sp, #48
299 ; Call memcpy with size = 24 (0x18)
300 ; FAST: orr {{x[0-9]+}}, xzr, #0x18
301 %tmp = alloca %struct.s42, align 4
302 %tmp1 = alloca %struct.s42, align 4
303 %0 = bitcast %struct.s42* %tmp to i8*
304 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %0, i8* bitcast (%struct.s42* @g42 to i8*), i64 24, i32 4, i1 false), !tbaa.struct !4
305 %1 = bitcast %struct.s42* %tmp1 to i8*
306 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* bitcast (%struct.s42* @g42_2 to i8*), i64 24, i32 4, i1 false), !tbaa.struct !4
307 %call = call i32 @f42(i32 3, %struct.s42* %tmp, %struct.s42* %tmp1) #5
311 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) #4
313 declare i32 @f42_stack(i32 %i, i32 %i2, i32 %i3, i32 %i4, i32 %i5, i32 %i6,
314 i32 %i7, i32 %i8, i32 %i9, %struct.s42* nocapture %s1,
315 %struct.s42* nocapture %s2) #2
317 define i32 @caller42_stack() #3 {
319 ; CHECK-LABEL: caller42_stack
321 ; CHECK: sub sp, sp, #96
322 ; CHECK: stur {{x[0-9]+}}, [x29, #-16]
323 ; CHECK: stur {{q[0-9]+}}, [x29, #-32]
324 ; CHECK: str {{x[0-9]+}}, [sp, #48]
325 ; CHECK: str {{q[0-9]+}}, [sp, #32]
326 ; Space for s1 is allocated at x29-32 = sp+64
327 ; Space for s2 is allocated at sp+32
328 ; CHECK: add x[[B:[0-9]+]], sp, #32
329 ; CHECK: str x[[B]], [sp, #16]
330 ; CHECK: sub x[[A:[0-9]+]], x29, #32
331 ; Address of s1 is passed on stack at sp+8
332 ; CHECK: str x[[A]], [sp, #8]
333 ; CHECK: movz w[[C:[0-9]+]], #0x9
334 ; CHECK: str w[[C]], [sp]
336 ; FAST-LABEL: caller42_stack
337 ; Space for s1 is allocated at fp-24
338 ; Space for s2 is allocated at fp-48
339 ; FAST: sub x[[A:[0-9]+]], x29, #24
340 ; FAST: sub x[[B:[0-9]+]], x29, #48
341 ; Call memcpy with size = 24 (0x18)
342 ; FAST: orr {{x[0-9]+}}, xzr, #0x18
343 ; FAST: str {{w[0-9]+}}, [sp]
344 ; Address of s1 is passed on stack at sp+8
345 ; FAST: str {{x[0-9]+}}, [sp, #8]
346 ; FAST: str {{x[0-9]+}}, [sp, #16]
347 %tmp = alloca %struct.s42, align 4
348 %tmp1 = alloca %struct.s42, align 4
349 %0 = bitcast %struct.s42* %tmp to i8*
350 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %0, i8* bitcast (%struct.s42* @g42 to i8*), i64 24, i32 4, i1 false), !tbaa.struct !4
351 %1 = bitcast %struct.s42* %tmp1 to i8*
352 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* bitcast (%struct.s42* @g42_2 to i8*), i64 24, i32 4, i1 false), !tbaa.struct !4
353 %call = call i32 @f42_stack(i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7,
354 i32 8, i32 9, %struct.s42* %tmp, %struct.s42* %tmp1) #5
358 ; structs with size of 22 bytes, alignment of 16
359 ; passed indirectly in x1 and x2
360 define i32 @f43(i32 %i, %struct.s43* nocapture %s1, %struct.s43* nocapture %s2) #2 {
363 ; CHECK: ldr w[[A:[0-9]+]], [x1]
364 ; CHECK: ldr w[[B:[0-9]+]], [x2]
365 ; CHECK: add w[[C:[0-9]+]], w[[A]], w0
366 ; CHECK: add {{w[0-9]+}}, w[[C]], w[[B]]
368 ; FAST: ldr w[[A:[0-9]+]], [x1]
369 ; FAST: ldr w[[B:[0-9]+]], [x2]
370 ; FAST: add w[[C:[0-9]+]], w[[A]], w0
371 ; FAST: add {{w[0-9]+}}, w[[C]], w[[B]]
372 %i1 = getelementptr inbounds %struct.s43, %struct.s43* %s1, i64 0, i32 0
373 %0 = load i32, i32* %i1, align 4, !tbaa !0
374 %i2 = getelementptr inbounds %struct.s43, %struct.s43* %s2, i64 0, i32 0
375 %1 = load i32, i32* %i2, align 4, !tbaa !0
376 %s = getelementptr inbounds %struct.s43, %struct.s43* %s1, i64 0, i32 1
377 %2 = load i16, i16* %s, align 2, !tbaa !3
378 %conv = sext i16 %2 to i32
379 %s5 = getelementptr inbounds %struct.s43, %struct.s43* %s2, i64 0, i32 1
380 %3 = load i16, i16* %s5, align 2, !tbaa !3
381 %conv6 = sext i16 %3 to i32
382 %add = add i32 %0, %i
383 %add3 = add i32 %add, %1
384 %add4 = add i32 %add3, %conv
385 %add7 = add i32 %add4, %conv6
389 define i32 @caller43() #3 {
391 ; CHECK-LABEL: caller43
392 ; CHECK: str {{q[0-9]+}}, [sp, #48]
393 ; CHECK: str {{q[0-9]+}}, [sp, #32]
394 ; CHECK: str {{q[0-9]+}}, [sp, #16]
395 ; CHECK: str {{q[0-9]+}}, [sp]
396 ; CHECK: add x1, sp, #32
398 ; Space for s1 is allocated at sp+32
399 ; Space for s2 is allocated at sp
401 ; FAST-LABEL: caller43
403 ; Space for s1 is allocated at sp+32
404 ; Space for s2 is allocated at sp
405 ; FAST: add x1, sp, #32
407 ; FAST: str {{x[0-9]+}}, [sp, #32]
408 ; FAST: str {{x[0-9]+}}, [sp, #40]
409 ; FAST: str {{x[0-9]+}}, [sp, #48]
410 ; FAST: str {{x[0-9]+}}, [sp, #56]
411 ; FAST: str {{x[0-9]+}}, [sp]
412 ; FAST: str {{x[0-9]+}}, [sp, #8]
413 ; FAST: str {{x[0-9]+}}, [sp, #16]
414 ; FAST: str {{x[0-9]+}}, [sp, #24]
415 %tmp = alloca %struct.s43, align 16
416 %tmp1 = alloca %struct.s43, align 16
417 %0 = bitcast %struct.s43* %tmp to i8*
418 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %0, i8* bitcast (%struct.s43* @g43 to i8*), i64 32, i32 16, i1 false), !tbaa.struct !4
419 %1 = bitcast %struct.s43* %tmp1 to i8*
420 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* bitcast (%struct.s43* @g43_2 to i8*), i64 32, i32 16, i1 false), !tbaa.struct !4
421 %call = call i32 @f43(i32 3, %struct.s43* %tmp, %struct.s43* %tmp1) #5
425 declare i32 @f43_stack(i32 %i, i32 %i2, i32 %i3, i32 %i4, i32 %i5, i32 %i6,
426 i32 %i7, i32 %i8, i32 %i9, %struct.s43* nocapture %s1,
427 %struct.s43* nocapture %s2) #2
429 define i32 @caller43_stack() #3 {
431 ; CHECK-LABEL: caller43_stack
433 ; CHECK: sub sp, sp, #96
434 ; CHECK: stur {{q[0-9]+}}, [x29, #-16]
435 ; CHECK: stur {{q[0-9]+}}, [x29, #-32]
436 ; CHECK: str {{q[0-9]+}}, [sp, #48]
437 ; CHECK: str {{q[0-9]+}}, [sp, #32]
438 ; Space for s1 is allocated at x29-32 = sp+64
439 ; Space for s2 is allocated at sp+32
440 ; CHECK: add x[[B:[0-9]+]], sp, #32
441 ; CHECK: str x[[B]], [sp, #16]
442 ; CHECK: sub x[[A:[0-9]+]], x29, #32
443 ; Address of s1 is passed on stack at sp+8
444 ; CHECK: str x[[A]], [sp, #8]
445 ; CHECK: movz w[[C:[0-9]+]], #0x9
446 ; CHECK: str w[[C]], [sp]
448 ; FAST-LABEL: caller43_stack
449 ; FAST: sub sp, sp, #96
450 ; Space for s1 is allocated at fp-32 = sp+64
451 ; Space for s2 is allocated at sp+32
452 ; FAST: sub x[[A:[0-9]+]], x29, #32
453 ; FAST: add x[[B:[0-9]+]], sp, #32
454 ; FAST: stur {{x[0-9]+}}, [x29, #-32]
455 ; FAST: stur {{x[0-9]+}}, [x29, #-24]
456 ; FAST: stur {{x[0-9]+}}, [x29, #-16]
457 ; FAST: stur {{x[0-9]+}}, [x29, #-8]
458 ; FAST: str {{x[0-9]+}}, [sp, #32]
459 ; FAST: str {{x[0-9]+}}, [sp, #40]
460 ; FAST: str {{x[0-9]+}}, [sp, #48]
461 ; FAST: str {{x[0-9]+}}, [sp, #56]
462 ; FAST: str {{w[0-9]+}}, [sp]
463 ; Address of s1 is passed on stack at sp+8
464 ; FAST: str {{x[0-9]+}}, [sp, #8]
465 ; FAST: str {{x[0-9]+}}, [sp, #16]
466 %tmp = alloca %struct.s43, align 16
467 %tmp1 = alloca %struct.s43, align 16
468 %0 = bitcast %struct.s43* %tmp to i8*
469 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %0, i8* bitcast (%struct.s43* @g43 to i8*), i64 32, i32 16, i1 false), !tbaa.struct !4
470 %1 = bitcast %struct.s43* %tmp1 to i8*
471 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* bitcast (%struct.s43* @g43_2 to i8*), i64 32, i32 16, i1 false), !tbaa.struct !4
472 %call = call i32 @f43_stack(i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7,
473 i32 8, i32 9, %struct.s43* %tmp, %struct.s43* %tmp1) #5
478 ; Check that we don't split an i128.
479 declare i32 @callee_i128_split(i32 %i, i32 %i2, i32 %i3, i32 %i4, i32 %i5,
480 i32 %i6, i32 %i7, i128 %s1, i32 %i8)
482 define i32 @i128_split() {
484 ; CHECK-LABEL: i128_split
485 ; "i128 %0" should be on stack at [sp].
486 ; "i32 8" should be on stack at [sp, #16].
487 ; CHECK: str {{w[0-9]+}}, [sp, #16]
488 ; CHECK: stp {{x[0-9]+}}, {{x[0-9]+}}, [sp]
489 ; FAST-LABEL: i128_split
491 ; FAST: mov x[[ADDR:[0-9]+]], sp
492 ; FAST: str {{w[0-9]+}}, [x[[ADDR]], #16]
493 ; Load/Store opt is disabled with -O0, so the i128 is split.
494 ; FAST: str {{x[0-9]+}}, [x[[ADDR]], #8]
495 ; FAST: str {{x[0-9]+}}, [x[[ADDR]]]
496 %0 = load i128, i128* bitcast (%struct.s41* @g41 to i128*), align 16
497 %call = tail call i32 @callee_i128_split(i32 1, i32 2, i32 3, i32 4, i32 5,
498 i32 6, i32 7, i128 %0, i32 8) #5
502 declare i32 @callee_i64(i32 %i, i32 %i2, i32 %i3, i32 %i4, i32 %i5,
503 i32 %i6, i32 %i7, i64 %s1, i32 %i8)
505 define i32 @i64_split() {
507 ; CHECK-LABEL: i64_split
508 ; "i64 %0" should be in register x7.
509 ; "i32 8" should be on stack at [sp].
510 ; CHECK: ldr x7, [{{x[0-9]+}}]
511 ; CHECK: str {{w[0-9]+}}, [sp]
512 ; FAST-LABEL: i64_split
513 ; FAST: ldr x7, [{{x[0-9]+}}]
514 ; FAST: mov x[[R0:[0-9]+]], sp
515 ; FAST: orr w[[R1:[0-9]+]], wzr, #0x8
516 ; FAST: str w[[R1]], {{\[}}x[[R0]]{{\]}}
517 %0 = load i64, i64* bitcast (%struct.s41* @g41 to i64*), align 16
518 %call = tail call i32 @callee_i64(i32 1, i32 2, i32 3, i32 4, i32 5,
519 i32 6, i32 7, i64 %0, i32 8) #5
523 attributes #0 = { noinline nounwind readnone "fp-contract-model"="standard" "relocation-model"="pic" "ssp-buffers-size"="8" }
524 attributes #1 = { nounwind readonly "fp-contract-model"="standard" "relocation-model"="pic" "ssp-buffers-size"="8" }
525 attributes #2 = { noinline nounwind readonly "fp-contract-model"="standard" "relocation-model"="pic" "ssp-buffers-size"="8" }
526 attributes #3 = { nounwind "fp-contract-model"="standard" "relocation-model"="pic" "ssp-buffers-size"="8" }
527 attributes #4 = { nounwind }
528 attributes #5 = { nobuiltin }
531 !1 = !{!"omnipotent char", !2}
532 !2 = !{!"Simple C/C++ TBAA"}
534 !4 = !{i64 0, i64 4, !0, i64 4, i64 2, !3, i64 8, i64 4, !0, i64 12, i64 2, !3, i64 16, i64 4, !0, i64 20, i64 2, !3}