xref: /llvm-project/llvm/test/CodeGen/SystemZ/stackmap.ll (revision 6c32a1fdf712e58a324fc0f6e3dfc83ed7d56b1e)
1; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
2;
3; Note: Print verbose stackmaps using -debug-only=stackmaps.
4
5; CHECK:       .section .llvm_stackmaps
6; CHECK-NEXT:  __LLVM_StackMaps:
7; Header
8; CHECK-NEXT:   .byte 3
9; CHECK-NEXT:   .byte 0
10; CHECK-NEXT:   .short 0
11; Num Functions
12; CHECK-NEXT:   .long 16
13; Num LargeConstants
14; CHECK-NEXT:   .long 4
15; Num Callsites
16; CHECK-NEXT:   .long 20
17
18; Functions and stack size
19; CHECK-NEXT:   .quad constantargs
20; CHECK-NEXT:   .quad 160
21; CHECK-NEXT:   .quad 1
22; CHECK-NEXT:   .quad osrinline
23; CHECK-NEXT:   .quad 160
24; CHECK-NEXT:   .quad 1
25; CHECK-NEXT:   .quad osrcold
26; CHECK-NEXT:   .quad 160
27; CHECK-NEXT:   .quad 1
28; CHECK-NEXT:   .quad propertyRead
29; CHECK-NEXT:   .quad 160
30; CHECK-NEXT:   .quad 1
31; CHECK-NEXT:   .quad propertyWrite
32; CHECK-NEXT:   .quad 160
33; CHECK-NEXT:   .quad 1
34; CHECK-NEXT:   .quad jsVoidCall
35; CHECK-NEXT:   .quad 160
36; CHECK-NEXT:   .quad 1
37; CHECK-NEXT:   .quad jsIntCall
38; CHECK-NEXT:   .quad 160
39; CHECK-NEXT:   .quad 1
40; CHECK-NEXT:   .quad spilledValue
41; CHECK-NEXT:   .quad 160
42; CHECK-NEXT:   .quad 1
43; CHECK-NEXT:   .quad spilledStackMapValue
44; CHECK-NEXT:   .quad 160
45; CHECK-NEXT:   .quad 1
46; CHECK-NEXT:   .quad spillSubReg
47; CHECK-NEXT:   .quad 168
48; CHECK-NEXT:   .quad 1
49; CHECK-NEXT:   .quad liveConstant
50; CHECK-NEXT:   .quad 160
51; CHECK-NEXT:   .quad 1
52; CHECK-NEXT:   .quad directFrameIdx
53; CHECK-NEXT:   .quad 200
54; CHECK-NEXT:   .quad 2
55; CHECK-NEXT:   .quad longid
56; CHECK-NEXT:   .quad 160
57; CHECK-NEXT:   .quad 4
58; CHECK-NEXT:   .quad clobberScratch
59; CHECK-NEXT:   .quad 168
60; CHECK-NEXT:   .quad 1
61; CHECK-NEXT:   .quad needsStackRealignment
62; CHECK-NEXT:   .quad -1
63; CHECK-NEXT:   .quad 1
64; CHECK-NEXT:   .quad floats
65; CHECK-NEXT:   .quad 176
66; CHECK-NEXT:   .quad 1
67
68; Large Constants
69; CHECK-NEXT:   .quad   2147483648
70; CHECK-NEXT:   .quad   4294967295
71; CHECK-NEXT:   .quad   4294967296
72; CHECK-NEXT:   .quad   4294967297
73
74; Callsites
75; Constant arguments
76;
77; CHECK-NEXT:   .quad   1
78; CHECK-NEXT:   .long   .L{{.*}}-constantargs
79; CHECK-NEXT:   .short  0
80; CHECK-NEXT:   .short  14
81; SmallConstant
82; CHECK-NEXT:   .byte   4
83; CHECK-NEXT:   .byte   0
84; CHECK-NEXT:   .short  8
85; CHECK-NEXT:   .short  0
86; CHECK-NEXT:   .short  0
87; CHECK-NEXT:   .long   65535
88; SmallConstant
89; CHECK-NEXT:   .byte   4
90; CHECK-NEXT:   .byte   0
91; CHECK-NEXT:   .short  8
92; CHECK-NEXT:   .short  0
93; CHECK-NEXT:   .short  0
94; CHECK-NEXT:   .long   65535
95; SmallConstant
96; CHECK-NEXT:   .byte   4
97; CHECK-NEXT:   .byte   0
98; CHECK-NEXT:   .short  8
99; CHECK-NEXT:   .short  0
100; CHECK-NEXT:   .short  0
101; CHECK-NEXT:   .long   65536
102; SmallConstant
103; CHECK-NEXT:   .byte   4
104; CHECK-NEXT:   .byte   0
105; CHECK-NEXT:   .short  8
106; CHECK-NEXT:   .short  0
107; CHECK-NEXT:   .short  0
108; CHECK-NEXT:   .long   2000000000
109; SmallConstant
110; CHECK-NEXT:   .byte   4
111; CHECK-NEXT:   .byte   0
112; CHECK-NEXT:   .short  8
113; CHECK-NEXT:   .short  0
114; CHECK-NEXT:   .short  0
115; CHECK-NEXT:   .long   2147483647
116; SmallConstant
117; CHECK-NEXT:   .byte   4
118; CHECK-NEXT:   .byte   0
119; CHECK-NEXT:   .short  8
120; CHECK-NEXT:   .short  0
121; CHECK-NEXT:   .short  0
122; CHECK-NEXT:   .long   -1
123; SmallConstant
124; CHECK-NEXT:   .byte   4
125; CHECK-NEXT:   .byte   0
126; CHECK-NEXT:   .short  8
127; CHECK-NEXT:   .short  0
128; CHECK-NEXT:   .short  0
129; CHECK-NEXT:   .long   -1
130; SmallConstant
131; CHECK-NEXT:   .byte   4
132; CHECK-NEXT:   .byte   0
133; CHECK-NEXT:   .short  8
134; CHECK-NEXT:   .short  0
135; CHECK-NEXT:   .short  0
136; CHECK-NEXT:   .long   0
137; LargeConstant at index 0
138; CHECK-NEXT:   .byte   5
139; CHECK-NEXT:   .byte   0
140; CHECK-NEXT:   .short  8
141; CHECK-NEXT:   .short  0
142; CHECK-NEXT:   .short  0
143; CHECK-NEXT:   .long   0
144; LargeConstant at index 1
145; CHECK-NEXT:   .byte   5
146; CHECK-NEXT:   .byte   0
147; CHECK-NEXT:   .short  8
148; CHECK-NEXT:   .short  0
149; CHECK-NEXT:   .short  0
150; CHECK-NEXT:   .long   1
151; LargeConstant at index 2
152; CHECK-NEXT:   .byte   5
153; CHECK-NEXT:   .byte   0
154; CHECK-NEXT:   .short  8
155; CHECK-NEXT:   .short  0
156; CHECK-NEXT:   .short  0
157; CHECK-NEXT:   .long   2
158; SmallConstant
159; CHECK-NEXT:   .byte   4
160; CHECK-NEXT:   .byte   0
161; CHECK-NEXT:   .short  8
162; CHECK-NEXT:   .short  0
163; CHECK-NEXT:   .short  0
164; CHECK-NEXT:   .long   -1
165; SmallConstant
166; CHECK-NEXT:   .byte   4
167; CHECK-NEXT:   .byte   0
168; CHECK-NEXT:   .short  8
169; CHECK-NEXT:   .short  0
170; CHECK-NEXT:   .short  0
171; CHECK-NEXT:   .long   66
172; LargeConstant at index 3
173; CHECK-NEXT:   .byte   5
174; CHECK-NEXT:   .byte   0
175; CHECK-NEXT:   .short  8
176; CHECK-NEXT:   .short  0
177; CHECK-NEXT:   .short  0
178; CHECK-NEXT:   .long   3
179
180define void @constantargs() {
181entry:
182  %0 = inttoptr i64 12345 to ptr
183  tail call void (i64, i32, ptr, i32, ...) @llvm.experimental.patchpoint.void(i64 1, i32 14, ptr %0, i32 0, i16 65535, i16 -1, i32 65536, i32 2000000000, i32 2147483647, i32 -1, i32 4294967295, i32 4294967296, i64 2147483648, i64 4294967295, i64 4294967296, i64 -1, i128 66, i128 4294967297)
184  ret void
185}
186
187; Inline OSR Exit
188;
189; CHECK:        .long   .L{{.*}}-osrinline
190; CHECK-NEXT:   .short  0
191; CHECK-NEXT:   .short  2
192; CHECK-NEXT:   .byte   1
193; CHECK-NEXT:   .byte   0
194; CHECK-NEXT:   .short  8
195; CHECK-NEXT:   .short  {{[0-9]+}}
196; CHECK-NEXT:   .short  0
197; CHECK-NEXT:   .long   0
198; CHECK-NEXT:   .byte   1
199; CHECK-NEXT:   .byte   0
200; CHECK-NEXT:   .short  8
201; CHECK-NEXT:   .short  {{[0-9]+}}
202; CHECK-NEXT:   .short  0
203; CHECK-NEXT:   .long   0
204define void @osrinline(i64 %a, i64 %b) {
205entry:
206  ; Runtime void->void call.
207  call void inttoptr (i64 -559038737 to ptr)()
208  ; Followed by inline OSR patchpoint with 12-byte shadow and 2 live vars.
209  call void (i64, i32, ...) @llvm.experimental.stackmap(i64 3, i32 12, i64 %a, i64 %b)
210  ret void
211}
212
213; Cold OSR Exit
214;
215; 2 live variables in register.
216;
217; CHECK:        .long   .L{{.*}}-osrcold
218; CHECK-NEXT:   .short  0
219; CHECK-NEXT:   .short  2
220; CHECK-NEXT:   .byte   1
221; CHECK-NEXT:   .byte   0
222; CHECK-NEXT:   .short  8
223; CHECK-NEXT:   .short  {{[0-9]+}}
224; CHECK-NEXT:   .short  0
225; CHECK-NEXT:   .long   0
226; CHECK-NEXT:   .byte   1
227; CHECK-NEXT:   .byte   0
228; CHECK-NEXT:   .short  8
229; CHECK-NEXT:   .short  {{[0-9]+}}
230; CHECK-NEXT:   .short  0
231; CHECK-NEXT:   .long   0
232define void @osrcold(i64 %a, i64 %b) {
233entry:
234  %test = icmp slt i64 %a, %b
235  br i1 %test, label %ret, label %cold
236cold:
237  ; OSR patchpoint with 12-byte nop-slide and 2 live vars.
238  %thunk = inttoptr i64 -559038737 to ptr
239  call void (i64, i32, ptr, i32, ...) @llvm.experimental.patchpoint.void(i64 4, i32 14, ptr %thunk, i32 0, i64 %a, i64 %b)
240  unreachable
241ret:
242  ret void
243}
244
245; Property Read
246; CHECK:        .long   .L{{.*}}-propertyRead
247; CHECK-NEXT:   .short  0
248; CHECK-NEXT:   .short  2
249; CHECK-NEXT:   .byte   1
250; CHECK-NEXT:   .byte   0
251; CHECK-NEXT:   .short  8
252; CHECK-NEXT:   .short  {{[0-9]+}}
253; CHECK-NEXT:   .short  0
254; CHECK-NEXT:   .long   0
255; CHECK-NEXT:   .byte   1
256; CHECK-NEXT:   .byte   0
257; CHECK-NEXT:   .short  8
258; CHECK-NEXT:   .short  {{[0-9]+}}
259; CHECK-NEXT:   .short  0
260; CHECK-NEXT:   .long   0
261define i64 @propertyRead(ptr %obj) {
262entry:
263  %resolveRead = inttoptr i64 -559038737 to ptr
264  %result = call anyregcc i64 (i64, i32, ptr, i32, ...) @llvm.experimental.patchpoint.i64(i64 5, i32 14, ptr %resolveRead, i32 1, ptr %obj)
265  %add = add i64 %result, 3
266  ret i64 %add
267}
268
269; Property Write
270; CHECK:        .long   .L{{.*}}-propertyWrite
271; CHECK-NEXT:   .short  0
272; CHECK-NEXT:   .short  2
273; CHECK-NEXT:   .byte   1
274; CHECK-NEXT:   .byte   0
275; CHECK-NEXT:   .short  8
276; CHECK-NEXT:   .short  {{[0-9]+}}
277; CHECK-NEXT:   .short  0
278; CHECK-NEXT:   .long   0
279; CHECK-NEXT:   .byte   1
280; CHECK-NEXT:   .byte   0
281; CHECK-NEXT:   .short  8
282; CHECK-NEXT:   .short  {{[0-9]+}}
283; CHECK-NEXT:   .short  0
284; CHECK-NEXT:   .long   0
285define void @propertyWrite(i64 %dummy1, ptr %obj, i64 %dummy2, i64 %a) {
286entry:
287  %resolveWrite = inttoptr i64 -559038737 to ptr
288  call anyregcc void (i64, i32, ptr, i32, ...) @llvm.experimental.patchpoint.void(i64 6, i32 14, ptr %resolveWrite, i32 2, ptr %obj, i64 %a)
289  ret void
290}
291
292; Void JS Call
293;
294; 2 live variables in registers.
295;
296; CHECK:        .long   .L{{.*}}-jsVoidCall
297; CHECK-NEXT:   .short  0
298; CHECK-NEXT:   .short  2
299; CHECK-NEXT:   .byte   1
300; CHECK-NEXT:   .byte   0
301; CHECK-NEXT:   .short  8
302; CHECK-NEXT:   .short  {{[0-9]+}}
303; CHECK-NEXT:   .short  0
304; CHECK-NEXT:   .long   0
305; CHECK-NEXT:   .byte   1
306; CHECK-NEXT:   .byte   0
307; CHECK-NEXT:   .short  8
308; CHECK-NEXT:   .short  {{[0-9]+}}
309; CHECK-NEXT:   .short  0
310; CHECK-NEXT:   .long   0
311define void @jsVoidCall(i64 %dummy1, ptr %obj, i64 %arg, i64 %l1, i64 %l2) {
312entry:
313  %resolveCall = inttoptr i64 -559038737 to ptr
314  call void (i64, i32, ptr, i32, ...) @llvm.experimental.patchpoint.void(i64 7, i32 14, ptr %resolveCall, i32 2, ptr %obj, i64 %arg, i64 %l1, i64 %l2)
315  ret void
316}
317
318; i64 JS Call
319;
320; 2 live variables in registers.
321;
322; CHECK:        .long   .L{{.*}}-jsIntCall
323; CHECK-NEXT:   .short  0
324; CHECK-NEXT:   .short  2
325; CHECK-NEXT:   .byte   1
326; CHECK-NEXT:   .byte   0
327; CHECK-NEXT:   .short  8
328; CHECK-NEXT:   .short  {{[0-9]+}}
329; CHECK-NEXT:   .short  0
330; CHECK-NEXT:   .long   0
331; CHECK-NEXT:   .byte   1
332; CHECK-NEXT:   .byte   0
333; CHECK-NEXT:   .short  8
334; CHECK-NEXT:   .short  {{[0-9]+}}
335; CHECK-NEXT:   .short  0
336; CHECK-NEXT:   .long   0
337define i64 @jsIntCall(i64 %dummy1, ptr %obj, i64 %arg, i64 %l1, i64 %l2) {
338entry:
339  %resolveCall = inttoptr i64 -559038737 to ptr
340  %result = call i64 (i64, i32, ptr, i32, ...) @llvm.experimental.patchpoint.i64(i64 8, i32 14, ptr %resolveCall, i32 2, ptr %obj, i64 %arg, i64 %l1, i64 %l2)
341  %add = add i64 %result, 3
342  ret i64 %add
343}
344
345; Spilled stack map values.
346;
347; Verify 17 stack map entries.
348;
349; CHECK:        .long .L{{.*}}-spilledValue
350; CHECK-NEXT:   .short 0
351; CHECK-NEXT:   .short 17
352;
353; Check that at least one is a spilled entry from the parameter area.
354; Location: Indirect r15 + XX
355; CHECK:        .byte  3
356; CHECK-NEXT:   .byte  0
357; CHECK-NEXT:   .short 8
358; CHECK-NEXT:   .short 15
359; CHECK-NEXT:   .short 0
360; CHECK-NEXT:   .long
361define void @spilledValue(i64 %arg0, i64 %arg1, i64 %arg2, i64 %arg3, i64 %arg4, i64 %l0, i64 %l1, i64 %l2, i64 %l3, i64 %l4, i64 %l5, i64 %l6, i64 %l7, i64 %l8, i64 %l9, i64 %l10, i64 %l11, i64 %l12, i64 %l13, i64 %l14, i64 %l15, i64 %l16) {
362entry:
363  call void (i64, i32, ptr, i32, ...) @llvm.experimental.patchpoint.void(i64 11, i32 14, ptr null, i32 5, i64 %arg0, i64 %arg1, i64 %arg2, i64 %arg3, i64 %arg4, i64 %l0, i64 %l1, i64 %l2, i64 %l3, i64 %l4, i64 %l5, i64 %l6, i64 %l7, i64 %l8, i64 %l9, i64 %l10, i64 %l11, i64 %l12, i64 %l13, i64 %l14, i64 %l15, i64 %l16)
364  ret void
365}
366
367; Spilled stack map values.
368;
369; Verify 17 stack map entries.
370;
371; CHECK:        .long .L{{.*}}-spilledStackMapValue
372; CHECK-NEXT:   .short 0
373; CHECK-NEXT:   .short 17
374;
375; Check that at least one is a spilled entry from the parameter area.
376; Location: Indirect r15 + XX
377; CHECK:        .byte  3
378; CHECK-NEXT:   .byte  0
379; CHECK-NEXT:   .short 8
380; CHECK-NEXT:   .short 15
381; CHECK-NEXT:   .short 0
382; CHECK-NEXT:   .long
383define void @spilledStackMapValue(i64 %l0, i64 %l1, i64 %l2, i64 %l3, i64 %l4, i64 %l5, i64 %l6, i64 %l7, i64 %l8, i64 %l9, i64 %l10, i64 %l11, i64 %l12, i64 %l13, i64 %l14, i64 %l15, i64 %l16) {
384entry:
385  call void (i64, i32, ...) @llvm.experimental.stackmap(i64 12, i32 16, i64 %l0, i64 %l1, i64 %l2, i64 %l3, i64 %l4, i64 %l5, i64 %l6, i64 %l7, i64 %l8, i64 %l9, i64 %l10, i64 %l11, i64 %l12, i64 %l13, i64 %l14, i64 %l15, i64 %l16)
386  ret void
387}
388
389; Spill a subregister stackmap operand.
390;
391; CHECK:        .long .L{{.*}}-spillSubReg
392; CHECK-NEXT:   .short 0
393; 4 locations
394; CHECK-NEXT:   .short 1
395;
396; Check that the subregister operand is a 4-byte spill.
397; Location: Indirect, 4-byte, %r15 + 164
398; CHECK:        .byte  3
399; CHECK-NEXT:   .byte  0
400; CHECK-NEXT:   .short 4
401; CHECK-NEXT:   .short 15
402; CHECK-NEXT:   .short 0
403; CHECK-NEXT:   .long  164
404define void @spillSubReg(i64 %arg) #0 {
405bb:
406  br i1 undef, label %bb1, label %bb2
407
408bb1:
409  unreachable
410
411bb2:
412  %tmp = load i64, ptr inttoptr (i64 140685446136880 to ptr)
413  br i1 undef, label %bb16, label %bb17
414
415bb16:
416  unreachable
417
418bb17:
419  %tmp32 = trunc i64 %tmp to i32
420  br i1 undef, label %bb60, label %bb61
421
422bb60:
423  tail call void asm sideeffect "nopr %r0", "~{r0},~{r1},~{r2},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14}"() nounwind
424  tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 13, i32 6, i32 %tmp32)
425  unreachable
426
427bb61:
428  unreachable
429}
430
431; Map a constant value.
432;
433; CHECK:        .long .L{{.*}}-liveConstant
434; CHECK-NEXT:   .short 0
435; 1 location
436; CHECK-NEXT:   .short 1
437; Loc 0: SmallConstant
438; CHECK-NEXT:   .byte   4
439; CHECK-NEXT:   .byte   0
440; CHECK-NEXT:   .short  8
441; CHECK-NEXT:   .short  0
442; CHECK-NEXT:   .short  0
443; CHECK-NEXT:   .long   33
444
445define void @liveConstant() {
446  tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 15, i32 6, i32 33)
447  ret void
448}
449
450; Directly map an alloca's address.
451;
452; Callsite 16
453; CHECK:        .long .L{{.*}}-directFrameIdx
454; CHECK-NEXT:   .short 0
455; 1 location
456; CHECK-NEXT:   .short	1
457; Loc 0: Direct %r15 + ofs
458; CHECK-NEXT:   .byte	2
459; CHECK-NEXT:   .byte	0
460; CHECK-NEXT:   .short	8
461; CHECK-NEXT:   .short	15
462; CHECK-NEXT:   .short	0
463; CHECK-NEXT:   .long
464
465; Callsite 17
466; CHECK:        .long .L{{.*}}-directFrameIdx
467; CHECK-NEXT:   .short	0
468; 2 locations
469; CHECK-NEXT:   .short	2
470; Loc 0: Direct %r15 + ofs
471; CHECK-NEXT:   .byte	2
472; CHECK-NEXT:   .byte	0
473; CHECK-NEXT:   .short	8
474; CHECK-NEXT:   .short	15
475; CHECK-NEXT:   .short	0
476; CHECK-NEXT:   .long
477; Loc 1: Direct %r15 + ofs
478; CHECK-NEXT:   .byte	2
479; CHECK-NEXT:   .byte   0
480; CHECK-NEXT:   .short  8
481; CHECK-NEXT:   .short	15
482; CHECK-NEXT:   .short  0
483; CHECK-NEXT:   .long
484define void @directFrameIdx() {
485entry:
486  %metadata1 = alloca i64, i32 3, align 8
487  store i64 11, ptr %metadata1
488  store i64 12, ptr %metadata1
489  store i64 13, ptr %metadata1
490  call void (i64, i32, ...) @llvm.experimental.stackmap(i64 16, i32 0, ptr %metadata1)
491  %metadata2 = alloca i8, i32 4, align 8
492  %metadata3 = alloca i16, i32 4, align 8
493  call void (i64, i32, ptr, i32, ...) @llvm.experimental.patchpoint.void(i64 17, i32 6, ptr null, i32 0, ptr %metadata2, ptr %metadata3)
494  ret void
495}
496
497; Test a 64-bit ID.
498;
499; CHECK:        .quad 4294967295
500; CHECK:        .long .L{{.*}}-longid
501; CHECK:        .quad 4294967296
502; CHECK:        .long .L{{.*}}-longid
503; CHECK:        .quad 9223372036854775807
504; CHECK:        .long .L{{.*}}-longid
505; CHECK:        .quad -1
506; CHECK:        .long .L{{.*}}-longid
507define void @longid() {
508entry:
509  tail call void (i64, i32, ptr, i32, ...) @llvm.experimental.patchpoint.void(i64 4294967295, i32 0, ptr null, i32 0)
510  tail call void (i64, i32, ptr, i32, ...) @llvm.experimental.patchpoint.void(i64 4294967296, i32 0, ptr null, i32 0)
511  tail call void (i64, i32, ptr, i32, ...) @llvm.experimental.patchpoint.void(i64 9223372036854775807, i32 0, ptr null, i32 0)
512  tail call void (i64, i32, ptr, i32, ...) @llvm.experimental.patchpoint.void(i64 -1, i32 0, ptr null, i32 0)
513  ret void
514}
515
516; Map a value when %r0 and %r1 are the only free registers.
517; The scratch registers should not be used for a live stackmap value.
518;
519; CHECK:        .long .L{{.*}}-clobberScratch
520; CHECK-NEXT:   .short 0
521; 1 location
522; CHECK-NEXT:   .short 1
523; Loc 0: Indirect %r15 + offset
524; CHECK-NEXT:   .byte   3
525; CHECK-NEXT:   .byte   0
526; CHECK-NEXT:   .short  4
527; CHECK-NEXT:   .short  15
528; CHECK-NEXT:   .short  0
529; CHECK-NEXT:   .long   164
530define void @clobberScratch(i32 %a) {
531  tail call void asm sideeffect "nopr %r0", "~{r2},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14}"() nounwind
532  tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 16, i32 8, i32 %a)
533  ret void
534}
535
536; A stack frame which needs to be realigned at runtime (to meet alignment
537; criteria for values on the stack) does not have a fixed frame size.
538; CHECK:        .long .L{{.*}}-needsStackRealignment
539; CHECK-NEXT:   .short 0
540; 0 locations
541; CHECK-NEXT:   .short 0
542define void @needsStackRealignment() {
543  %val = alloca i64, i32 3, align 128
544  tail call void (...) @escape_values(ptr %val)
545; Note: Adding any non-constant to the stackmap would fail because we
546; expected to be able to address off the frame pointer.  In a realigned
547; frame, we must use the stack pointer instead.  This is a separate bug.
548  tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 0, i32 0)
549  ret void
550}
551declare void @escape_values(...)
552
553; CHECK-LABEL:  .long .L{{.*}}-floats
554; CHECK-NEXT:   .short 0
555; Num Locations
556; CHECK-NEXT:   .short 6
557; Loc 0: constant float stored to FP register
558; CHECK-NEXT:   .byte   1
559; CHECK-NEXT:   .byte   0
560; CHECK-NEXT:   .short  4
561; CHECK-NEXT:   .short  {{.*}}
562; CHECK-NEXT:   .short  0
563; CHECK-NEXT:   .long   32
564; Loc 0: constant double stored to FP register
565; CHECK-NEXT:   .byte   1
566; CHECK-NEXT:   .byte   0
567; CHECK-NEXT:   .short  8
568; CHECK-NEXT:   .short  {{.*}}
569; CHECK-NEXT:   .short  0
570; CHECK-NEXT:   .long   0
571; Loc 1: float value in FP register
572; CHECK-NEXT:   .byte   1
573; CHECK-NEXT:   .byte   0
574; CHECK-NEXT:   .short  4
575; CHECK-NEXT:   .short  {{.*}}
576; CHECK-NEXT:   .short  0
577; CHECK-NEXT:   .long   32
578; Loc 2: double value in FP register
579; CHECK-NEXT:   .byte   1
580; CHECK-NEXT:   .byte   0
581; CHECK-NEXT:   .short  8
582; CHECK-NEXT:   .short  {{.*}}
583; CHECK-NEXT:   .short  0
584; CHECK-NEXT:   .long   0
585; Loc 3: float on stack
586; CHECK-NEXT:   .byte   2
587; CHECK-NEXT:   .byte   0
588; CHECK-NEXT:   .short  8
589; CHECK-NEXT:   .short  {{.*}}
590; CHECK-NEXT:   .short  0
591; CHECK-NEXT:   .long   {{.*}}
592; Loc 4: double on stack
593; CHECK-NEXT:   .byte   2
594; CHECK-NEXT:   .byte   0
595; CHECK-NEXT:   .short  8
596; CHECK-NEXT:   .short  {{.*}}
597; CHECK-NEXT:   .short  0
598; CHECK-NEXT:   .long   {{.*}}
599define void @floats(float %f, double %g) {
600  %ff = alloca float
601  %gg = alloca double
602  call void (i64, i32, ...) @llvm.experimental.stackmap(i64 888, i32 0, float 1.25,
603    double 1.5, float %f, double %g, ptr %ff, ptr %gg)
604  ret void
605}
606
607declare void @llvm.experimental.stackmap(i64, i32, ...)
608declare void @llvm.experimental.patchpoint.void(i64, i32, ptr, i32, ...)
609declare i64 @llvm.experimental.patchpoint.i64(i64, i32, ptr, i32, ...)
610