1 ; RUN: llc -fast-isel-sink-local-values < %s -mtriple=arm64-apple-darwin -mcpu=cyclone -enable-misched=false -frame-pointer=all | FileCheck %s
2 ; RUN: llc -fast-isel-sink-local-values < %s -mtriple=arm64-apple-darwin -O0 -frame-pointer=all -fast-isel | FileCheck -check-prefix=FAST %s
5 ; Generated from arm64-arguments.c with -O2.
6 ; Test passing structs with size < 8, < 16 and > 16
7 ; with alignment of 16 and without
9 ; Structs with size < 8
10 %struct.s38 = type { i32, i16 }
11 ; With alignment of 16, the size will be padded to multiple of 16 bytes.
12 %struct.s39 = type { i32, i16, [10 x i8] }
13 ; Structs with size < 16
14 %struct.s40 = type { i32, i16, i32, i16 }
15 %struct.s41 = type { i32, i16, i32, i16 }
16 ; Structs with size > 16
17 %struct.s42 = type { i32, i16, i32, i16, i32, i16 }
18 %struct.s43 = type { i32, i16, i32, i16, i32, i16, [10 x i8] }
20 @g38 = common global %struct.s38 zeroinitializer, align 4
21 @g38_2 = common global %struct.s38 zeroinitializer, align 4
22 @g39 = common global %struct.s39 zeroinitializer, align 16
23 @g39_2 = common global %struct.s39 zeroinitializer, align 16
24 @g40 = common global %struct.s40 zeroinitializer, align 4
25 @g40_2 = common global %struct.s40 zeroinitializer, align 4
26 @g41 = common global %struct.s41 zeroinitializer, align 16
27 @g41_2 = common global %struct.s41 zeroinitializer, align 16
28 @g42 = common global %struct.s42 zeroinitializer, align 4
29 @g42_2 = common global %struct.s42 zeroinitializer, align 4
30 @g43 = common global %struct.s43 zeroinitializer, align 16
31 @g43_2 = common global %struct.s43 zeroinitializer, align 16
33 ; structs with size < 8 bytes, passed via i64 in x1 and x2
34 define i32 @f38(i32 %i, i64 %s1.coerce, i64 %s2.coerce) #0 {
37 ; CHECK: add w[[A:[0-9]+]], w1, w0
38 ; CHECK: add {{w[0-9]+}}, w[[A]], w2
39 %s1.sroa.0.0.extract.trunc = trunc i64 %s1.coerce to i32
40 %s1.sroa.1.4.extract.shift = lshr i64 %s1.coerce, 32
41 %s2.sroa.0.0.extract.trunc = trunc i64 %s2.coerce to i32
42 %s2.sroa.1.4.extract.shift = lshr i64 %s2.coerce, 32
43 %sext8 = shl nuw nsw i64 %s1.sroa.1.4.extract.shift, 16
44 %sext = trunc i64 %sext8 to i32
45 %conv = ashr exact i32 %sext, 16
46 %sext1011 = shl nuw nsw i64 %s2.sroa.1.4.extract.shift, 16
47 %sext10 = trunc i64 %sext1011 to i32
48 %conv6 = ashr exact i32 %sext10, 16
49 %add = add i32 %s1.sroa.0.0.extract.trunc, %i
50 %add3 = add i32 %add, %s2.sroa.0.0.extract.trunc
51 %add4 = add i32 %add3, %conv
52 %add7 = add i32 %add4, %conv6
56 define i32 @caller38() #1 {
58 ; CHECK-LABEL: caller38
61 %0 = load i64, i64* bitcast (%struct.s38* @g38 to i64*), align 4
62 %1 = load i64, i64* bitcast (%struct.s38* @g38_2 to i64*), align 4
63 %call = tail call i32 @f38(i32 3, i64 %0, i64 %1) #5
67 declare i32 @f38_stack(i32 %i, i32 %i2, i32 %i3, i32 %i4, i32 %i5, i32 %i6,
68 i32 %i7, i32 %i8, i32 %i9, i64 %s1.coerce, i64 %s2.coerce) #0
70 ; structs with size < 8 bytes, passed on stack at [sp+8] and [sp+16]
72 define i32 @caller38_stack() #1 {
74 ; CHECK-LABEL: caller38_stack
75 ; CHECK: stp {{x[0-9]+}}, {{x[0-9]+}}, [sp, #8]
76 ; CHECK: mov w[[C:[0-9]+]], #9
77 ; CHECK: str w[[C]], [sp]
78 %0 = load i64, i64* bitcast (%struct.s38* @g38 to i64*), align 4
79 %1 = load i64, i64* bitcast (%struct.s38* @g38_2 to i64*), align 4
80 %call = tail call i32 @f38_stack(i32 1, i32 2, i32 3, i32 4, i32 5, i32 6,
81 i32 7, i32 8, i32 9, i64 %0, i64 %1) #5
85 ; structs with size < 8 bytes, alignment of 16
86 ; passed via i128 in x1 and x3
87 define i32 @f39(i32 %i, i128 %s1.coerce, i128 %s2.coerce) #0 {
90 ; CHECK: add w[[A:[0-9]+]], w1, w0
91 ; CHECK: add {{w[0-9]+}}, w[[A]], w3
92 %s1.sroa.0.0.extract.trunc = trunc i128 %s1.coerce to i32
93 %s1.sroa.1.4.extract.shift = lshr i128 %s1.coerce, 32
94 %s2.sroa.0.0.extract.trunc = trunc i128 %s2.coerce to i32
95 %s2.sroa.1.4.extract.shift = lshr i128 %s2.coerce, 32
96 %sext8 = shl nuw nsw i128 %s1.sroa.1.4.extract.shift, 16
97 %sext = trunc i128 %sext8 to i32
98 %conv = ashr exact i32 %sext, 16
99 %sext1011 = shl nuw nsw i128 %s2.sroa.1.4.extract.shift, 16
100 %sext10 = trunc i128 %sext1011 to i32
101 %conv6 = ashr exact i32 %sext10, 16
102 %add = add i32 %s1.sroa.0.0.extract.trunc, %i
103 %add3 = add i32 %add, %s2.sroa.0.0.extract.trunc
104 %add4 = add i32 %add3, %conv
105 %add7 = add i32 %add4, %conv6
109 define i32 @caller39() #1 {
111 ; CHECK-LABEL: caller39
114 %0 = load i128, i128* bitcast (%struct.s39* @g39 to i128*), align 16
115 %1 = load i128, i128* bitcast (%struct.s39* @g39_2 to i128*), align 16
116 %call = tail call i32 @f39(i32 3, i128 %0, i128 %1) #5
120 declare i32 @f39_stack(i32 %i, i32 %i2, i32 %i3, i32 %i4, i32 %i5, i32 %i6,
121 i32 %i7, i32 %i8, i32 %i9, i128 %s1.coerce, i128 %s2.coerce) #0
123 ; structs with size < 8 bytes, alignment 16
124 ; passed on stack at [sp+16] and [sp+32]
125 define i32 @caller39_stack() #1 {
127 ; CHECK-LABEL: caller39_stack
128 ; CHECK: stp {{x[0-9]+}}, {{x[0-9]+}}, [sp, #32]
129 ; CHECK: stp {{x[0-9]+}}, {{x[0-9]+}}, [sp, #16]
130 ; CHECK: mov w[[C:[0-9]+]], #9
131 ; CHECK: str w[[C]], [sp]
132 %0 = load i128, i128* bitcast (%struct.s39* @g39 to i128*), align 16
133 %1 = load i128, i128* bitcast (%struct.s39* @g39_2 to i128*), align 16
134 %call = tail call i32 @f39_stack(i32 1, i32 2, i32 3, i32 4, i32 5, i32 6,
135 i32 7, i32 8, i32 9, i128 %0, i128 %1) #5
139 ; structs with size < 16 bytes
140 ; passed via i128 in x1 and x3
141 define i32 @f40(i32 %i, [2 x i64] %s1.coerce, [2 x i64] %s2.coerce) #0 {
144 ; CHECK: add w[[A:[0-9]+]], w1, w0
145 ; CHECK: add {{w[0-9]+}}, w[[A]], w3
146 %s1.coerce.fca.0.extract = extractvalue [2 x i64] %s1.coerce, 0
147 %s2.coerce.fca.0.extract = extractvalue [2 x i64] %s2.coerce, 0
148 %s1.sroa.0.0.extract.trunc = trunc i64 %s1.coerce.fca.0.extract to i32
149 %s2.sroa.0.0.extract.trunc = trunc i64 %s2.coerce.fca.0.extract to i32
150 %s1.sroa.0.4.extract.shift = lshr i64 %s1.coerce.fca.0.extract, 32
151 %sext8 = shl nuw nsw i64 %s1.sroa.0.4.extract.shift, 16
152 %sext = trunc i64 %sext8 to i32
153 %conv = ashr exact i32 %sext, 16
154 %s2.sroa.0.4.extract.shift = lshr i64 %s2.coerce.fca.0.extract, 32
155 %sext1011 = shl nuw nsw i64 %s2.sroa.0.4.extract.shift, 16
156 %sext10 = trunc i64 %sext1011 to i32
157 %conv6 = ashr exact i32 %sext10, 16
158 %add = add i32 %s1.sroa.0.0.extract.trunc, %i
159 %add3 = add i32 %add, %s2.sroa.0.0.extract.trunc
160 %add4 = add i32 %add3, %conv
161 %add7 = add i32 %add4, %conv6
165 define i32 @caller40() #1 {
167 ; CHECK-LABEL: caller40
170 %0 = load [2 x i64], [2 x i64]* bitcast (%struct.s40* @g40 to [2 x i64]*), align 4
171 %1 = load [2 x i64], [2 x i64]* bitcast (%struct.s40* @g40_2 to [2 x i64]*), align 4
172 %call = tail call i32 @f40(i32 3, [2 x i64] %0, [2 x i64] %1) #5
176 declare i32 @f40_stack(i32 %i, i32 %i2, i32 %i3, i32 %i4, i32 %i5, i32 %i6,
177 i32 %i7, i32 %i8, i32 %i9, [2 x i64] %s1.coerce, [2 x i64] %s2.coerce) #0
179 ; structs with size < 16 bytes
180 ; passed on stack at [sp+8] and [sp+24]
181 define i32 @caller40_stack() #1 {
183 ; CHECK-LABEL: caller40_stack
184 ; CHECK: stp {{x[0-9]+}}, {{x[0-9]+}}, [sp, #24]
185 ; CHECK: stp {{x[0-9]+}}, {{x[0-9]+}}, [sp, #8]
186 ; CHECK: mov w[[C:[0-9]+]], #9
187 ; CHECK: str w[[C]], [sp]
188 %0 = load [2 x i64], [2 x i64]* bitcast (%struct.s40* @g40 to [2 x i64]*), align 4
189 %1 = load [2 x i64], [2 x i64]* bitcast (%struct.s40* @g40_2 to [2 x i64]*), align 4
190 %call = tail call i32 @f40_stack(i32 1, i32 2, i32 3, i32 4, i32 5, i32 6,
191 i32 7, i32 8, i32 9, [2 x i64] %0, [2 x i64] %1) #5
195 ; structs with size < 16 bytes, alignment of 16
196 ; passed via i128 in x1 and x3
197 define i32 @f41(i32 %i, i128 %s1.coerce, i128 %s2.coerce) #0 {
200 ; CHECK: add w[[A:[0-9]+]], w1, w0
201 ; CHECK: add {{w[0-9]+}}, w[[A]], w3
202 %s1.sroa.0.0.extract.trunc = trunc i128 %s1.coerce to i32
203 %s1.sroa.1.4.extract.shift = lshr i128 %s1.coerce, 32
204 %s2.sroa.0.0.extract.trunc = trunc i128 %s2.coerce to i32
205 %s2.sroa.1.4.extract.shift = lshr i128 %s2.coerce, 32
206 %sext8 = shl nuw nsw i128 %s1.sroa.1.4.extract.shift, 16
207 %sext = trunc i128 %sext8 to i32
208 %conv = ashr exact i32 %sext, 16
209 %sext1011 = shl nuw nsw i128 %s2.sroa.1.4.extract.shift, 16
210 %sext10 = trunc i128 %sext1011 to i32
211 %conv6 = ashr exact i32 %sext10, 16
212 %add = add i32 %s1.sroa.0.0.extract.trunc, %i
213 %add3 = add i32 %add, %s2.sroa.0.0.extract.trunc
214 %add4 = add i32 %add3, %conv
215 %add7 = add i32 %add4, %conv6
219 define i32 @caller41() #1 {
221 ; CHECK-LABEL: caller41
224 %0 = load i128, i128* bitcast (%struct.s41* @g41 to i128*), align 16
225 %1 = load i128, i128* bitcast (%struct.s41* @g41_2 to i128*), align 16
226 %call = tail call i32 @f41(i32 3, i128 %0, i128 %1) #5
230 declare i32 @f41_stack(i32 %i, i32 %i2, i32 %i3, i32 %i4, i32 %i5, i32 %i6,
231 i32 %i7, i32 %i8, i32 %i9, i128 %s1.coerce, i128 %s2.coerce) #0
233 ; structs with size < 16 bytes, alignment of 16
234 ; passed on stack at [sp+16] and [sp+32]
235 define i32 @caller41_stack() #1 {
237 ; CHECK-LABEL: caller41_stack
238 ; CHECK: stp {{x[0-9]+}}, {{x[0-9]+}}, [sp, #32]
239 ; CHECK: stp {{x[0-9]+}}, {{x[0-9]+}}, [sp, #16]
240 ; CHECK: mov w[[C:[0-9]+]], #9
241 ; CHECK: str w[[C]], [sp]
242 %0 = load i128, i128* bitcast (%struct.s41* @g41 to i128*), align 16
243 %1 = load i128, i128* bitcast (%struct.s41* @g41_2 to i128*), align 16
244 %call = tail call i32 @f41_stack(i32 1, i32 2, i32 3, i32 4, i32 5, i32 6,
245 i32 7, i32 8, i32 9, i128 %0, i128 %1) #5
249 ; structs with size of 22 bytes, passed indirectly in x1 and x2
250 define i32 @f42(i32 %i, %struct.s42* nocapture %s1, %struct.s42* nocapture %s2) #2 {
253 ; CHECK: ldr w[[A:[0-9]+]], [x1]
254 ; CHECK: ldr w[[B:[0-9]+]], [x2]
255 ; CHECK: add w[[C:[0-9]+]], w[[A]], w0
256 ; CHECK: add {{w[0-9]+}}, w[[C]], w[[B]]
258 ; FAST: ldr w[[A:[0-9]+]], [x1]
259 ; FAST: ldr w[[B:[0-9]+]], [x2]
260 ; FAST: add w[[C:[0-9]+]], w[[A]], w0
261 ; FAST: add {{w[0-9]+}}, w[[C]], w[[B]]
262 %i1 = getelementptr inbounds %struct.s42, %struct.s42* %s1, i64 0, i32 0
263 %0 = load i32, i32* %i1, align 4, !tbaa !0
264 %i2 = getelementptr inbounds %struct.s42, %struct.s42* %s2, i64 0, i32 0
265 %1 = load i32, i32* %i2, align 4, !tbaa !0
266 %s = getelementptr inbounds %struct.s42, %struct.s42* %s1, i64 0, i32 1
267 %2 = load i16, i16* %s, align 2, !tbaa !3
268 %conv = sext i16 %2 to i32
269 %s5 = getelementptr inbounds %struct.s42, %struct.s42* %s2, i64 0, i32 1
270 %3 = load i16, i16* %s5, align 2, !tbaa !3
271 %conv6 = sext i16 %3 to i32
272 %add = add i32 %0, %i
273 %add3 = add i32 %add, %1
274 %add4 = add i32 %add3, %conv
275 %add7 = add i32 %add4, %conv6
279 ; For s1, we allocate a 22-byte space, pass its address via x1
280 define i32 @caller42() #3 {
282 ; CHECK-LABEL: caller42
283 ; CHECK-DAG: str {{x[0-9]+}}, [sp, #48]
284 ; CHECK-DAG: str {{q[0-9]+}}, [sp, #32]
285 ; CHECK-DAG: str {{x[0-9]+}}, [sp, #16]
286 ; CHECK-DAG: str {{q[0-9]+}}, [sp]
287 ; CHECK: add x1, sp, #32
289 ; Space for s1 is allocated at sp+32
290 ; Space for s2 is allocated at sp
292 ; FAST-LABEL: caller42
293 ; FAST: sub sp, sp, #96
294 ; Space for s1 is allocated at fp-24 = sp+56
295 ; FAST: sub x[[A:[0-9]+]], x29, #24
296 ; Call memcpy with size = 24 (0x18)
297 ; FAST: mov {{x[0-9]+}}, #24
298 ; Space for s2 is allocated at sp+32
299 ; FAST: add x[[A:[0-9]+]], sp, #32
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* align 4 %0, i8* align 4 bitcast (%struct.s42* @g42 to i8*), i64 24, i1 false), !tbaa.struct !4
305 %1 = bitcast %struct.s42* %tmp1 to i8*
306 call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %1, i8* align 4 bitcast (%struct.s42* @g42_2 to i8*), i64 24, 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, 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
320 ; CHECK: sub sp, sp, #112
321 ; CHECK: add x29, sp, #96
322 ; CHECK-DAG: stur {{x[0-9]+}}, [x29, #-16]
323 ; CHECK-DAG: stur {{q[0-9]+}}, [x29, #-32]
324 ; CHECK-DAG: str {{x[0-9]+}}, [sp, #48]
325 ; CHECK-DAG: 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: mov w[[C:[0-9]+]], #9
334 ; CHECK: str w[[C]], [sp]
336 ; FAST-LABEL: caller42_stack
337 ; Space for s1 is allocated at fp-24
338 ; FAST: sub x[[A:[0-9]+]], x29, #24
339 ; Call memcpy with size = 24 (0x18)
340 ; FAST: mov {{x[0-9]+}}, #24
342 ; Space for s2 is allocated at fp-48
343 ; FAST: sub x[[B:[0-9]+]], x29, #48
346 ; Address of s1 is passed on stack at sp+8
347 ; FAST: str {{w[0-9]+}}, [sp]
348 ; FAST: str {{x[0-9]+}}, [sp, #8]
349 ; FAST: str {{x[0-9]+}}, [sp, #16]
350 %tmp = alloca %struct.s42, align 4
351 %tmp1 = alloca %struct.s42, align 4
352 %0 = bitcast %struct.s42* %tmp to i8*
353 call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %0, i8* align 4 bitcast (%struct.s42* @g42 to i8*), i64 24, i1 false), !tbaa.struct !4
354 %1 = bitcast %struct.s42* %tmp1 to i8*
355 call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %1, i8* align 4 bitcast (%struct.s42* @g42_2 to i8*), i64 24, i1 false), !tbaa.struct !4
356 %call = call i32 @f42_stack(i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7,
357 i32 8, i32 9, %struct.s42* %tmp, %struct.s42* %tmp1) #5
361 ; structs with size of 22 bytes, alignment of 16
362 ; passed indirectly in x1 and x2
363 define i32 @f43(i32 %i, %struct.s43* nocapture %s1, %struct.s43* nocapture %s2) #2 {
366 ; CHECK: ldr w[[A:[0-9]+]], [x1]
367 ; CHECK: ldr w[[B:[0-9]+]], [x2]
368 ; CHECK: add w[[C:[0-9]+]], w[[A]], w0
369 ; CHECK: add {{w[0-9]+}}, w[[C]], w[[B]]
371 ; FAST: ldr w[[A:[0-9]+]], [x1]
372 ; FAST: ldr w[[B:[0-9]+]], [x2]
373 ; FAST: add w[[C:[0-9]+]], w[[A]], w0
374 ; FAST: add {{w[0-9]+}}, w[[C]], w[[B]]
375 %i1 = getelementptr inbounds %struct.s43, %struct.s43* %s1, i64 0, i32 0
376 %0 = load i32, i32* %i1, align 4, !tbaa !0
377 %i2 = getelementptr inbounds %struct.s43, %struct.s43* %s2, i64 0, i32 0
378 %1 = load i32, i32* %i2, align 4, !tbaa !0
379 %s = getelementptr inbounds %struct.s43, %struct.s43* %s1, i64 0, i32 1
380 %2 = load i16, i16* %s, align 2, !tbaa !3
381 %conv = sext i16 %2 to i32
382 %s5 = getelementptr inbounds %struct.s43, %struct.s43* %s2, i64 0, i32 1
383 %3 = load i16, i16* %s5, align 2, !tbaa !3
384 %conv6 = sext i16 %3 to i32
385 %add = add i32 %0, %i
386 %add3 = add i32 %add, %1
387 %add4 = add i32 %add3, %conv
388 %add7 = add i32 %add4, %conv6
392 define i32 @caller43() #3 {
394 ; CHECK-LABEL: caller43
395 ; CHECK-DAG: str {{q[0-9]+}}, [sp, #48]
396 ; CHECK-DAG: str {{q[0-9]+}}, [sp, #32]
397 ; CHECK-DAG: str {{q[0-9]+}}, [sp, #16]
398 ; CHECK-DAG: str {{q[0-9]+}}, [sp]
399 ; CHECK: add x1, sp, #32
401 ; Space for s1 is allocated at sp+32
402 ; Space for s2 is allocated at sp
404 ; FAST-LABEL: caller43
405 ; FAST: add x29, sp, #64
406 ; Space for s1 is allocated at sp+32
407 ; Space for s2 is allocated at sp
408 ; FAST: str {{x[0-9]+}}, [sp, #32]
409 ; FAST: str {{x[0-9]+}}, [sp, #40]
410 ; FAST: str {{x[0-9]+}}, [sp, #48]
411 ; FAST: str {{x[0-9]+}}, [sp, #56]
412 ; FAST: str {{x[0-9]+}}, [sp]
413 ; FAST: str {{x[0-9]+}}, [sp, #8]
414 ; FAST: str {{x[0-9]+}}, [sp, #16]
415 ; FAST: str {{x[0-9]+}}, [sp, #24]
416 ; FAST: add x1, sp, #32
418 %tmp = alloca %struct.s43, align 16
419 %tmp1 = alloca %struct.s43, align 16
420 %0 = bitcast %struct.s43* %tmp to i8*
421 call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 %0, i8* align 16 bitcast (%struct.s43* @g43 to i8*), i64 32, i1 false), !tbaa.struct !4
422 %1 = bitcast %struct.s43* %tmp1 to i8*
423 call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 %1, i8* align 16 bitcast (%struct.s43* @g43_2 to i8*), i64 32, i1 false), !tbaa.struct !4
424 %call = call i32 @f43(i32 3, %struct.s43* %tmp, %struct.s43* %tmp1) #5
428 declare i32 @f43_stack(i32 %i, i32 %i2, i32 %i3, i32 %i4, i32 %i5, i32 %i6,
429 i32 %i7, i32 %i8, i32 %i9, %struct.s43* nocapture %s1,
430 %struct.s43* nocapture %s2) #2
432 define i32 @caller43_stack() #3 {
434 ; CHECK-LABEL: caller43_stack
435 ; CHECK: sub sp, sp, #112
436 ; CHECK: add x29, sp, #96
437 ; CHECK-DAG: stur {{q[0-9]+}}, [x29, #-16]
438 ; CHECK-DAG: stur {{q[0-9]+}}, [x29, #-32]
439 ; CHECK-DAG: str {{q[0-9]+}}, [sp, #48]
440 ; CHECK-DAG: str {{q[0-9]+}}, [sp, #32]
441 ; Space for s1 is allocated at x29-32 = sp+64
442 ; Space for s2 is allocated at sp+32
443 ; CHECK: add x[[B:[0-9]+]], sp, #32
444 ; CHECK: str x[[B]], [sp, #16]
445 ; CHECK: sub x[[A:[0-9]+]], x29, #32
446 ; Address of s1 is passed on stack at sp+8
447 ; CHECK: str x[[A]], [sp, #8]
448 ; CHECK: mov w[[C:[0-9]+]], #9
449 ; CHECK: str w[[C]], [sp]
451 ; FAST-LABEL: caller43_stack
452 ; FAST: sub sp, sp, #112
453 ; Space for s1 is allocated at fp-32 = sp+64
454 ; Space for s2 is allocated at sp+32
455 ; FAST: stur {{x[0-9]+}}, [x29, #-32]
456 ; FAST: stur {{x[0-9]+}}, [x29, #-24]
457 ; FAST: stur {{x[0-9]+}}, [x29, #-16]
458 ; FAST: stur {{x[0-9]+}}, [x29, #-8]
459 ; FAST: str {{x[0-9]+}}, [sp, #32]
460 ; FAST: str {{x[0-9]+}}, [sp, #40]
461 ; FAST: str {{x[0-9]+}}, [sp, #48]
462 ; FAST: str {{x[0-9]+}}, [sp, #56]
463 ; FAST: str {{w[0-9]+}}, [sp]
464 ; Address of s1 is passed on stack at sp+8
465 ; FAST: sub x[[A:[0-9]+]], x29, #32
466 ; FAST: str x[[A]], [sp, #8]
467 ; FAST: add x[[B:[0-9]+]], sp, #32
468 ; FAST: str x[[B]], [sp, #16]
469 %tmp = alloca %struct.s43, align 16
470 %tmp1 = alloca %struct.s43, align 16
471 %0 = bitcast %struct.s43* %tmp to i8*
472 call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 %0, i8* align 16 bitcast (%struct.s43* @g43 to i8*), i64 32, i1 false), !tbaa.struct !4
473 %1 = bitcast %struct.s43* %tmp1 to i8*
474 call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 %1, i8* align 16 bitcast (%struct.s43* @g43_2 to i8*), i64 32, i1 false), !tbaa.struct !4
475 %call = call i32 @f43_stack(i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7,
476 i32 8, i32 9, %struct.s43* %tmp, %struct.s43* %tmp1) #5
481 ; Check that we don't split an i128.
482 declare i32 @callee_i128_split(i32 %i, i32 %i2, i32 %i3, i32 %i4, i32 %i5,
483 i32 %i6, i32 %i7, i128 %s1, i32 %i8)
485 define i32 @i128_split() {
487 ; CHECK-LABEL: i128_split
488 ; "i128 %0" should be on stack at [sp].
489 ; "i32 8" should be on stack at [sp, #16].
490 ; CHECK: str {{w[0-9]+}}, [sp, #16]
491 ; CHECK: stp {{x[0-9]+}}, {{x[0-9]+}}, [sp]
492 ; FAST-LABEL: i128_split
494 ; FAST: mov x[[ADDR:[0-9]+]], sp
495 ; FAST: str {{w[0-9]+}}, [x[[ADDR]], #16]
496 ; Load/Store opt is disabled with -O0, so the i128 is split.
497 ; FAST: str {{x[0-9]+}}, [x[[ADDR]], #8]
498 ; FAST: str {{x[0-9]+}}, [x[[ADDR]]]
499 %0 = load i128, i128* bitcast (%struct.s41* @g41 to i128*), align 16
500 %call = tail call i32 @callee_i128_split(i32 1, i32 2, i32 3, i32 4, i32 5,
501 i32 6, i32 7, i128 %0, i32 8) #5
505 declare i32 @callee_i64(i32 %i, i32 %i2, i32 %i3, i32 %i4, i32 %i5,
506 i32 %i6, i32 %i7, i64 %s1, i32 %i8)
508 define i32 @i64_split() {
510 ; CHECK-LABEL: i64_split
511 ; "i64 %0" should be in register x7.
512 ; "i32 8" should be on stack at [sp].
513 ; CHECK: ldr x7, [{{x[0-9]+}}]
514 ; CHECK: str {{w[0-9]+}}, [sp]
515 ; FAST-LABEL: i64_split
516 ; FAST: ldr x7, [{{x[0-9]+}}]
517 ; FAST: mov x[[R0:[0-9]+]], sp
518 ; FAST: mov w[[R1:[0-9]+]], #8
519 ; FAST: str w[[R1]], {{\[}}x[[R0]]{{\]}}
520 %0 = load i64, i64* bitcast (%struct.s41* @g41 to i64*), align 16
521 %call = tail call i32 @callee_i64(i32 1, i32 2, i32 3, i32 4, i32 5,
522 i32 6, i32 7, i64 %0, i32 8) #5
526 attributes #0 = { noinline nounwind readnone "fp-contract-model"="standard" "relocation-model"="pic" "ssp-buffers-size"="8" }
527 attributes #1 = { nounwind readonly "fp-contract-model"="standard" "relocation-model"="pic" "ssp-buffers-size"="8" }
528 attributes #2 = { noinline nounwind readonly "fp-contract-model"="standard" "relocation-model"="pic" "ssp-buffers-size"="8" }
529 attributes #3 = { nounwind "fp-contract-model"="standard" "relocation-model"="pic" "ssp-buffers-size"="8" }
530 attributes #4 = { nounwind }
531 attributes #5 = { nobuiltin }
534 !1 = !{!"omnipotent char", !2}
535 !2 = !{!"Simple C/C++ TBAA"}
537 !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}