xref: /llvm-project/llvm/test/DebugInfo/COFF/fpo-csrs.ll (revision 4ab3041acbdc274050d6c53f72619c7455cbc97a) 
1; RUN: llc < %s | FileCheck %s --check-prefix=ASM
2; RUN: llc -filetype=obj < %s | llvm-readobj --codeview - | FileCheck %s --check-prefix=OBJ
3
4; C source:
5; int getval(void);
6; void usevals(int, ...);
7; int csr1() {
8;   int a = getval();
9;   usevals(a);
10;   usevals(a);
11;   return a;
12; }
13; int csr2() {
14;   int a = getval();
15;   int b = getval();
16;   usevals(a, b);
17;   usevals(a, b);
18;   return a;
19; }
20; int csr3() {
21;   int a = getval();
22;   int b = getval();
23;   int c = getval();
24;   usevals(a, b, c);
25;   usevals(a, b, c);
26;   return a;
27; }
28; int csr4() {
29;   int a = getval();
30;   int b = getval();
31;   int c = getval();
32;   int d = getval();
33;   usevals(a, b, c, d);
34;   usevals(a, b, c, d);
35;   return a;
36; }
37; int spill() {
38;   int a = getval();
39;   int b = getval();
40;   int c = getval();
41;   int d = getval();
42;   int e = getval();
43;   usevals(a, b, c, d, e);
44;   usevals(a, b, c, d, e);
45;   return a;
46; }
47
48; ModuleID = 't.c'
49source_filename = "t.c"
50target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
51target triple = "i386-pc-windows-msvc19.11.25508"
52
53; Function Attrs: nounwind
54define i32 @csr1() local_unnamed_addr #0 !dbg !8 {
55entry:
56  %call = tail call i32 @getval() #3, !dbg !14
57  tail call void @llvm.dbg.value(metadata i32 %call, metadata !13, metadata !DIExpression()), !dbg !15
58  tail call void (i32, ...) @usevals(i32 %call) #3, !dbg !16
59  tail call void (i32, ...) @usevals(i32 %call) #3, !dbg !17
60  ret i32 %call, !dbg !18
61}
62
63; ASM-LABEL: _csr1:                                  # @csr1
64; ASM:         .cv_fpo_proc    _csr1
65; ASM:         pushl   %esi
66; ASM:         .cv_fpo_pushreg %esi
67; ASM:         .cv_fpo_endprologue
68; ASM:         #DEBUG_VALUE: csr1:a <- $esi
69; ASM:         retl
70; ASM:         .cv_fpo_endproc
71
72; OBJ-LABEL: SubSectionType: FrameData (0xF5)
73; OBJ-NEXT: SubSectionSize:
74; OBJ-NEXT: LinkageName: _csr1
75; OBJ-NEXT: FrameData {
76; OBJ-NEXT:   RvaStart: 0x0
77; OBJ-NEXT:   CodeSize: 0x1E
78; OBJ-NEXT:   LocalSize: 0x0
79; OBJ-NEXT:   ParamsSize: 0x0
80; OBJ-NEXT:   MaxStackSize: 0x0
81; OBJ-NEXT:   PrologSize: 0x1
82; OBJ-NEXT:   SavedRegsSize: 0x0
83; OBJ-NEXT:   Flags [ (0x4)
84; OBJ-NEXT:     IsFunctionStart (0x4)
85; OBJ-NEXT:   ]
86; OBJ-NEXT:   FrameFunc [
87; OBJ-NEXT:     $T0 .raSearch =
88; OBJ-NEXT:     $eip $T0 ^ =
89; OBJ-NEXT:     $esp $T0 4 + =
90; OBJ-NEXT:   ]
91; OBJ-NEXT: }
92; OBJ-NEXT: FrameData {
93; OBJ-NEXT:   RvaStart: 0x1
94; OBJ-NEXT:   CodeSize: 0x1D
95; OBJ-NEXT:   LocalSize: 0x0
96; OBJ-NEXT:   ParamsSize: 0x0
97; OBJ-NEXT:   MaxStackSize: 0x0
98; OBJ-NEXT:   PrologSize: 0x0
99; OBJ-NEXT:   SavedRegsSize: 0x4
100; OBJ-NEXT:   Flags [ (0x0)
101; OBJ-NEXT:   ]
102; OBJ-NEXT:   FrameFunc [
103; OBJ-NEXT:     $T0 .raSearch =
104; OBJ-NEXT:     $eip $T0 ^ =
105; OBJ-NEXT:     $esp $T0 4 + =
106; OBJ-NEXT:     $esi $T0 4 - ^ =
107; OBJ-NEXT:   ]
108; OBJ-NEXT: }
109; OBJ-NOT: FrameData
110
111declare i32 @getval() local_unnamed_addr #1
112
113declare void @usevals(i32, ...) local_unnamed_addr #1
114
115; Function Attrs: nounwind
116define i32 @csr2() local_unnamed_addr #0 !dbg !19 {
117entry:
118  %call = tail call i32 @getval() #3, !dbg !23
119  tail call void @llvm.dbg.value(metadata i32 %call, metadata !21, metadata !DIExpression()), !dbg !24
120  %call1 = tail call i32 @getval() #3, !dbg !25
121  tail call void @llvm.dbg.value(metadata i32 %call1, metadata !22, metadata !DIExpression()), !dbg !26
122  tail call void (i32, ...) @usevals(i32 %call, i32 %call1) #3, !dbg !27
123  tail call void (i32, ...) @usevals(i32 %call, i32 %call1) #3, !dbg !28
124  ret i32 %call, !dbg !29
125}
126
127; ASM-LABEL: _csr2:                                  # @csr2
128; ASM:         .cv_fpo_proc    _csr2
129; ASM:         pushl   %edi
130; ASM:         .cv_fpo_pushreg %edi
131; ASM:         pushl   %esi
132; ASM:         .cv_fpo_pushreg %esi
133; ASM:         .cv_fpo_endprologue
134; ASM:         #DEBUG_VALUE: csr2:a <- $esi
135; ASM:         #DEBUG_VALUE: csr2:b <- $edi
136; ASM:         retl
137; ASM:         .cv_fpo_endproc
138
139; OBJ-LABEL: SubSectionType: FrameData (0xF5)
140; OBJ-NEXT: SubSectionSize:
141; OBJ-NEXT: LinkageName: _csr2
142; OBJ-NEXT: FrameData {
143; OBJ-NEXT:   RvaStart: 0x0
144; OBJ-NEXT:   CodeSize: 0x29
145; OBJ-NEXT:   LocalSize: 0x0
146; OBJ-NEXT:   ParamsSize: 0x0
147; OBJ-NEXT:   MaxStackSize: 0x0
148; OBJ-NEXT:   PrologSize: 0x2
149; OBJ-NEXT:   SavedRegsSize: 0x0
150; OBJ-NEXT:   Flags [ (0x4)
151; OBJ-NEXT:     IsFunctionStart (0x4)
152; OBJ-NEXT:   ]
153; OBJ-NEXT:   FrameFunc [
154; OBJ-NEXT:     $T0 .raSearch =
155; OBJ-NEXT:     $eip $T0 ^ =
156; OBJ-NEXT:     $esp $T0 4 + =
157; OBJ-NEXT:   ]
158; OBJ-NEXT: }
159; OBJ-NEXT: FrameData {
160; OBJ-NEXT:   RvaStart: 0x1
161; OBJ-NEXT:   CodeSize: 0x28
162; OBJ-NEXT:   LocalSize: 0x0
163; OBJ-NEXT:   ParamsSize: 0x0
164; OBJ-NEXT:   MaxStackSize: 0x0
165; OBJ-NEXT:   PrologSize: 0x1
166; OBJ-NEXT:   SavedRegsSize: 0x4
167; OBJ-NEXT:   Flags [ (0x0)
168; OBJ-NEXT:   ]
169; OBJ-NEXT:   FrameFunc [
170; OBJ-NEXT:     $T0 .raSearch =
171; OBJ-NEXT:     $eip $T0 ^ =
172; OBJ-NEXT:     $esp $T0 4 + =
173; OBJ-NEXT:     $edi $T0 4 - ^ =
174; OBJ-NEXT:   ]
175; OBJ-NEXT: }
176; OBJ-NEXT: FrameData {
177; OBJ-NEXT:   RvaStart: 0x2
178; OBJ-NEXT:   CodeSize: 0x27
179; OBJ-NEXT:   LocalSize: 0x0
180; OBJ-NEXT:   ParamsSize: 0x0
181; OBJ-NEXT:   MaxStackSize: 0x0
182; OBJ-NEXT:   PrologSize: 0x0
183; OBJ-NEXT:   SavedRegsSize: 0x8
184; OBJ-NEXT:   Flags [ (0x0)
185; OBJ-NEXT:   ]
186; OBJ-NEXT:   FrameFunc [
187; OBJ-NEXT:     $T0 .raSearch =
188; OBJ-NEXT:     $eip $T0 ^ =
189; OBJ-NEXT:     $esp $T0 4 + =
190; OBJ-NEXT:     $edi $T0 4 - ^ =
191; OBJ-NEXT:     $esi $T0 8 - ^ =
192; OBJ-NEXT:   ]
193; OBJ-NEXT: }
194; OBJ-NOT: FrameData
195
196; Function Attrs: nounwind
197define i32 @csr3() local_unnamed_addr #0 !dbg !30 {
198entry:
199  %call = tail call i32 @getval() #3, !dbg !35
200  tail call void @llvm.dbg.value(metadata i32 %call, metadata !32, metadata !DIExpression()), !dbg !36
201  %call1 = tail call i32 @getval() #3, !dbg !37
202  tail call void @llvm.dbg.value(metadata i32 %call1, metadata !33, metadata !DIExpression()), !dbg !38
203  %call2 = tail call i32 @getval() #3, !dbg !39
204  tail call void @llvm.dbg.value(metadata i32 %call2, metadata !34, metadata !DIExpression()), !dbg !40
205  tail call void (i32, ...) @usevals(i32 %call, i32 %call1, i32 %call2) #3, !dbg !41
206  tail call void (i32, ...) @usevals(i32 %call, i32 %call1, i32 %call2) #3, !dbg !42
207  ret i32 %call, !dbg !43
208}
209
210; ASM-LABEL: _csr3:                                  # @csr3
211; ASM:         .cv_fpo_proc    _csr3
212; ASM:         pushl   %ebx
213; ASM:         .cv_fpo_pushreg %ebx
214; ASM:         pushl   %edi
215; ASM:         .cv_fpo_pushreg %edi
216; ASM:         pushl   %esi
217; ASM:         .cv_fpo_pushreg %esi
218; ASM:         .cv_fpo_endprologue
219; ASM:         #DEBUG_VALUE: csr3:a <- $esi
220; ASM:         #DEBUG_VALUE: csr3:b <- $edi
221; ASM:         #DEBUG_VALUE: csr3:c <- $ebx
222; ASM:         retl
223; ASM:         .cv_fpo_endproc
224
225; OBJ-LABEL: SubSectionType: FrameData (0xF5)
226; OBJ-NEXT: SubSectionSize:
227; OBJ-NEXT: LinkageName: _csr3
228; OBJ-NEXT: FrameData {
229; OBJ-NEXT:   RvaStart: 0x0
230; OBJ-NEXT:   CodeSize: 0x34
231; OBJ-NEXT:   LocalSize: 0x0
232; OBJ-NEXT:   ParamsSize: 0x0
233; OBJ-NEXT:   MaxStackSize: 0x0
234; OBJ-NEXT:   PrologSize: 0x3
235; OBJ-NEXT:   SavedRegsSize: 0x0
236; OBJ-NEXT:   Flags [ (0x4)
237; OBJ-NEXT:     IsFunctionStart (0x4)
238; OBJ-NEXT:   ]
239; OBJ-NEXT:   FrameFunc [
240; OBJ-NEXT:     $T0 .raSearch =
241; OBJ-NEXT:     $eip $T0 ^ =
242; OBJ-NEXT:     $esp $T0 4 + =
243; OBJ-NEXT:   ]
244; OBJ-NEXT: }
245; OBJ-NEXT: FrameData {
246; OBJ-NEXT:   RvaStart: 0x1
247; OBJ-NEXT:   CodeSize: 0x33
248; OBJ-NEXT:   LocalSize: 0x0
249; OBJ-NEXT:   ParamsSize: 0x0
250; OBJ-NEXT:   MaxStackSize: 0x0
251; OBJ-NEXT:   PrologSize: 0x2
252; OBJ-NEXT:   SavedRegsSize: 0x4
253; OBJ-NEXT:   Flags [ (0x0)
254; OBJ-NEXT:   ]
255; OBJ-NEXT:   FrameFunc [
256; OBJ-NEXT:     $T0 .raSearch =
257; OBJ-NEXT:     $eip $T0 ^ =
258; OBJ-NEXT:     $esp $T0 4 + =
259; OBJ-NEXT:     $ebx $T0 4 - ^ =
260; OBJ-NEXT:   ]
261; OBJ-NEXT: }
262; OBJ-NEXT: FrameData {
263; OBJ-NEXT:   RvaStart: 0x2
264; OBJ-NEXT:   CodeSize: 0x32
265; OBJ-NEXT:   LocalSize: 0x0
266; OBJ-NEXT:   ParamsSize: 0x0
267; OBJ-NEXT:   MaxStackSize: 0x0
268; OBJ-NEXT:   PrologSize: 0x1
269; OBJ-NEXT:   SavedRegsSize: 0x8
270; OBJ-NEXT:   Flags [ (0x0)
271; OBJ-NEXT:   ]
272; OBJ-NEXT:   FrameFunc [
273; OBJ-NEXT:     $T0 .raSearch =
274; OBJ-NEXT:     $eip $T0 ^ =
275; OBJ-NEXT:     $esp $T0 4 + =
276; OBJ-NEXT:     $ebx $T0 4 - ^ =
277; OBJ-NEXT:     $edi $T0 8 - ^ =
278; OBJ-NEXT:   ]
279; OBJ-NEXT: }
280; OBJ-NEXT: FrameData {
281; OBJ-NEXT:   RvaStart: 0x3
282; OBJ-NEXT:   CodeSize: 0x31
283; OBJ-NEXT:   LocalSize: 0x0
284; OBJ-NEXT:   ParamsSize: 0x0
285; OBJ-NEXT:   MaxStackSize: 0x0
286; OBJ-NEXT:   PrologSize: 0x0
287; OBJ-NEXT:   SavedRegsSize: 0xC
288; OBJ-NEXT:   Flags [ (0x0)
289; OBJ-NEXT:   ]
290; OBJ-NEXT:   FrameFunc [
291; OBJ-NEXT:     $T0 .raSearch =
292; OBJ-NEXT:     $eip $T0 ^ =
293; OBJ-NEXT:     $esp $T0 4 + =
294; OBJ-NEXT:     $ebx $T0 4 - ^ =
295; OBJ-NEXT:     $edi $T0 8 - ^ =
296; OBJ-NEXT:     $esi $T0 12 - ^ =
297; OBJ-NEXT:   ]
298; OBJ-NEXT: }
299; OBJ-NOT: FrameData
300
301; Function Attrs: nounwind
302define i32 @csr4() local_unnamed_addr #0 !dbg !44 {
303entry:
304  %call = tail call i32 @getval() #3, !dbg !50
305  tail call void @llvm.dbg.value(metadata i32 %call, metadata !46, metadata !DIExpression()), !dbg !51
306  %call1 = tail call i32 @getval() #3, !dbg !52
307  tail call void @llvm.dbg.value(metadata i32 %call1, metadata !47, metadata !DIExpression()), !dbg !53
308  %call2 = tail call i32 @getval() #3, !dbg !54
309  tail call void @llvm.dbg.value(metadata i32 %call2, metadata !48, metadata !DIExpression()), !dbg !55
310  %call3 = tail call i32 @getval() #3, !dbg !56
311  tail call void @llvm.dbg.value(metadata i32 %call3, metadata !49, metadata !DIExpression()), !dbg !57
312  tail call void (i32, ...) @usevals(i32 %call, i32 %call1, i32 %call2, i32 %call3) #3, !dbg !58
313  tail call void (i32, ...) @usevals(i32 %call, i32 %call1, i32 %call2, i32 %call3) #3, !dbg !59
314  ret i32 %call, !dbg !60
315}
316
317; ASM-LABEL: _csr4:                                  # @csr4
318; ASM:         .cv_fpo_proc    _csr4
319; ASM:         pushl   %ebp
320; ASM:         .cv_fpo_pushreg %ebp
321; ASM:         pushl   %ebx
322; ASM:         .cv_fpo_pushreg %ebx
323; ASM:         pushl   %edi
324; ASM:         .cv_fpo_pushreg %edi
325; ASM:         pushl   %esi
326; ASM:         .cv_fpo_pushreg %esi
327; ASM:         .cv_fpo_endprologue
328; ASM:         #DEBUG_VALUE: csr4:a <- $esi
329; ASM:         #DEBUG_VALUE: csr4:b <- $edi
330; ASM:         #DEBUG_VALUE: csr4:c <- $ebx
331; ASM:         #DEBUG_VALUE: csr4:d <- $ebp
332; ASM:         retl
333; ASM:         .cv_fpo_endproc
334
335; OBJ-LABEL: SubSectionType: FrameData (0xF5)
336; OBJ-NEXT: SubSectionSize:
337; OBJ-NEXT: LinkageName: _csr4
338; OBJ-NEXT: FrameData {
339; OBJ-NEXT:   RvaStart: 0x0
340; OBJ-NEXT:   CodeSize: 0x3F
341; OBJ-NEXT:   LocalSize: 0x0
342; OBJ-NEXT:   ParamsSize: 0x0
343; OBJ-NEXT:   MaxStackSize: 0x0
344; OBJ-NEXT:   PrologSize: 0x4
345; OBJ-NEXT:   SavedRegsSize: 0x0
346; OBJ-NEXT:   Flags [ (0x4)
347; OBJ-NEXT:     IsFunctionStart (0x4)
348; OBJ-NEXT:   ]
349; OBJ-NEXT:   FrameFunc [
350; OBJ-NEXT:     $T0 .raSearch =
351; OBJ-NEXT:     $eip $T0 ^ =
352; OBJ-NEXT:     $esp $T0 4 + =
353; OBJ-NEXT:   ]
354; OBJ-NEXT: }
355; OBJ-NEXT: FrameData {
356; OBJ-NEXT:   RvaStart: 0x1
357; OBJ-NEXT:   CodeSize: 0x3E
358; OBJ-NEXT:   LocalSize: 0x0
359; OBJ-NEXT:   ParamsSize: 0x0
360; OBJ-NEXT:   MaxStackSize: 0x0
361; OBJ-NEXT:   PrologSize: 0x3
362; OBJ-NEXT:   SavedRegsSize: 0x4
363; OBJ-NEXT:   Flags [ (0x0)
364; OBJ-NEXT:   ]
365; OBJ-NEXT:   FrameFunc [
366; OBJ-NEXT:     $T0 .raSearch =
367; OBJ-NEXT:     $eip $T0 ^ =
368; OBJ-NEXT:     $esp $T0 4 + =
369; OBJ-NEXT:     $ebp $T0 4 - ^ =
370; OBJ-NEXT:   ]
371; OBJ-NEXT: }
372; OBJ-NEXT: FrameData {
373; OBJ-NEXT:   RvaStart: 0x2
374; OBJ-NEXT:   CodeSize: 0x3D
375; OBJ-NEXT:   LocalSize: 0x0
376; OBJ-NEXT:   ParamsSize: 0x0
377; OBJ-NEXT:   MaxStackSize: 0x0
378; OBJ-NEXT:   PrologSize: 0x2
379; OBJ-NEXT:   SavedRegsSize: 0x8
380; OBJ-NEXT:   Flags [ (0x0)
381; OBJ-NEXT:   ]
382; OBJ-NEXT:   FrameFunc [
383; OBJ-NEXT:     $T0 .raSearch =
384; OBJ-NEXT:     $eip $T0 ^ =
385; OBJ-NEXT:     $esp $T0 4 + =
386; OBJ-NEXT:     $ebp $T0 4 - ^ =
387; OBJ-NEXT:     $ebx $T0 8 - ^ =
388; OBJ-NEXT:   ]
389; OBJ-NEXT: }
390; OBJ-NEXT: FrameData {
391; OBJ-NEXT:   RvaStart: 0x3
392; OBJ-NEXT:   CodeSize: 0x3C
393; OBJ-NEXT:   LocalSize: 0x0
394; OBJ-NEXT:   ParamsSize: 0x0
395; OBJ-NEXT:   MaxStackSize: 0x0
396; OBJ-NEXT:   PrologSize: 0x1
397; OBJ-NEXT:   SavedRegsSize: 0xC
398; OBJ-NEXT:   Flags [ (0x0)
399; OBJ-NEXT:   ]
400; OBJ-NEXT:   FrameFunc [
401; OBJ-NEXT:     $T0 .raSearch =
402; OBJ-NEXT:     $eip $T0 ^ =
403; OBJ-NEXT:     $esp $T0 4 + =
404; OBJ-NEXT:     $ebp $T0 4 - ^ =
405; OBJ-NEXT:     $ebx $T0 8 - ^ =
406; OBJ-NEXT:     $edi $T0 12 - ^ =
407; OBJ-NEXT:   ]
408; OBJ-NEXT: }
409; OBJ-NEXT: FrameData {
410; OBJ-NEXT:   RvaStart: 0x4
411; OBJ-NEXT:   CodeSize: 0x3B
412; OBJ-NEXT:   LocalSize: 0x0
413; OBJ-NEXT:   ParamsSize: 0x0
414; OBJ-NEXT:   MaxStackSize: 0x0
415; OBJ-NEXT:   PrologSize: 0x0
416; OBJ-NEXT:   SavedRegsSize: 0x10
417; OBJ-NEXT:   Flags [ (0x0)
418; OBJ-NEXT:   ]
419; OBJ-NEXT:   FrameFunc [
420; OBJ-NEXT:     $T0 .raSearch =
421; OBJ-NEXT:     $eip $T0 ^ =
422; OBJ-NEXT:     $esp $T0 4 + =
423; OBJ-NEXT:     $ebp $T0 4 - ^ =
424; OBJ-NEXT:     $ebx $T0 8 - ^ =
425; OBJ-NEXT:     $edi $T0 12 - ^ =
426; OBJ-NEXT:     $esi $T0 16 - ^ =
427; OBJ-NEXT:   ]
428; OBJ-NEXT: }
429; OBJ-NOT: FrameData
430
431; Function Attrs: nounwind
432define i32 @spill() local_unnamed_addr #0 !dbg !61 {
433entry:
434  %call = tail call i32 @getval() #3, !dbg !68
435  tail call void @llvm.dbg.value(metadata i32 %call, metadata !63, metadata !DIExpression()), !dbg !69
436  %call1 = tail call i32 @getval() #3, !dbg !70
437  tail call void @llvm.dbg.value(metadata i32 %call1, metadata !64, metadata !DIExpression()), !dbg !71
438  %call2 = tail call i32 @getval() #3, !dbg !72
439  tail call void @llvm.dbg.value(metadata i32 %call2, metadata !65, metadata !DIExpression()), !dbg !73
440  %call3 = tail call i32 @getval() #3, !dbg !74
441  tail call void @llvm.dbg.value(metadata i32 %call3, metadata !66, metadata !DIExpression()), !dbg !75
442  %call4 = tail call i32 @getval() #3, !dbg !76
443  tail call void @llvm.dbg.value(metadata i32 %call4, metadata !67, metadata !DIExpression()), !dbg !77
444  tail call void (i32, ...) @usevals(i32 %call, i32 %call1, i32 %call2, i32 %call3, i32 %call4) #3, !dbg !78
445  tail call void (i32, ...) @usevals(i32 %call, i32 %call1, i32 %call2, i32 %call3, i32 %call4) #3, !dbg !79
446  ret i32 %call, !dbg !80
447}
448
449; ASM-LABEL: _spill:                                  # @spill
450; ASM:         .cv_fpo_proc    _spill
451; ASM:         pushl   %ebp
452; ASM:         .cv_fpo_pushreg %ebp
453; ASM:         pushl   %ebx
454; ASM:         .cv_fpo_pushreg %ebx
455; ASM:         pushl   %edi
456; ASM:         .cv_fpo_pushreg %edi
457; ASM:         pushl   %esi
458; ASM:         .cv_fpo_pushreg %esi
459; ASM:         subl    $8, %esp
460; ASM:         .cv_fpo_stackalloc 8
461; ASM:         .cv_fpo_endprologue
462; ASM:         retl
463; ASM:         .cv_fpo_endproc
464
465; OBJ-LABEL: SubSectionType: FrameData (0xF5)
466; OBJ-NEXT: SubSectionSize:
467; OBJ-NEXT: LinkageName: _spill
468; OBJ-NEXT: FrameData {
469; OBJ-NEXT:   RvaStart: 0x0
470; OBJ-NEXT:   CodeSize: 0x5A
471; OBJ-NEXT:   LocalSize: 0x0
472; OBJ-NEXT:   ParamsSize: 0x0
473; OBJ-NEXT:   MaxStackSize: 0x0
474; OBJ-NEXT:   PrologSize: 0x7
475; OBJ-NEXT:   SavedRegsSize: 0x0
476; OBJ-NEXT:   Flags [ (0x4)
477; OBJ-NEXT:     IsFunctionStart (0x4)
478; OBJ-NEXT:   ]
479; OBJ-NEXT:   FrameFunc [
480; OBJ-NEXT:     $T0 .raSearch =
481; OBJ-NEXT:     $eip $T0 ^ =
482; OBJ-NEXT:     $esp $T0 4 + =
483; OBJ-NEXT:   ]
484; OBJ-NEXT: }
485; OBJ-NEXT: FrameData {
486; OBJ-NEXT:   RvaStart: 0x1
487; OBJ-NEXT:   CodeSize: 0x59
488; OBJ-NEXT:   LocalSize: 0x0
489; OBJ-NEXT:   ParamsSize: 0x0
490; OBJ-NEXT:   MaxStackSize: 0x0
491; OBJ-NEXT:   PrologSize: 0x6
492; OBJ-NEXT:   SavedRegsSize: 0x4
493; OBJ-NEXT:   Flags [ (0x0)
494; OBJ-NEXT:   ]
495; OBJ-NEXT:   FrameFunc [
496; OBJ-NEXT:     $T0 .raSearch =
497; OBJ-NEXT:     $eip $T0 ^ =
498; OBJ-NEXT:     $esp $T0 4 + =
499; OBJ-NEXT:     $ebp $T0 4 - ^ =
500; OBJ-NEXT:   ]
501; OBJ-NEXT: }
502; OBJ-NEXT: FrameData {
503; OBJ-NEXT:   RvaStart: 0x2
504; OBJ-NEXT:   CodeSize: 0x58
505; OBJ-NEXT:   LocalSize: 0x0
506; OBJ-NEXT:   ParamsSize: 0x0
507; OBJ-NEXT:   MaxStackSize: 0x0
508; OBJ-NEXT:   PrologSize: 0x5
509; OBJ-NEXT:   SavedRegsSize: 0x8
510; OBJ-NEXT:   Flags [ (0x0)
511; OBJ-NEXT:   ]
512; OBJ-NEXT:   FrameFunc [
513; OBJ-NEXT:     $T0 .raSearch =
514; OBJ-NEXT:     $eip $T0 ^ =
515; OBJ-NEXT:     $esp $T0 4 + =
516; OBJ-NEXT:     $ebp $T0 4 - ^ =
517; OBJ-NEXT:     $ebx $T0 8 - ^ =
518; OBJ-NEXT:   ]
519; OBJ-NEXT: }
520; OBJ-NEXT: FrameData {
521; OBJ-NEXT:   RvaStart: 0x3
522; OBJ-NEXT:   CodeSize: 0x57
523; OBJ-NEXT:   LocalSize: 0x0
524; OBJ-NEXT:   ParamsSize: 0x0
525; OBJ-NEXT:   MaxStackSize: 0x0
526; OBJ-NEXT:   PrologSize: 0x4
527; OBJ-NEXT:   SavedRegsSize: 0xC
528; OBJ-NEXT:   Flags [ (0x0)
529; OBJ-NEXT:   ]
530; OBJ-NEXT:   FrameFunc [
531; OBJ-NEXT:     $T0 .raSearch =
532; OBJ-NEXT:     $eip $T0 ^ =
533; OBJ-NEXT:     $esp $T0 4 + =
534; OBJ-NEXT:     $ebp $T0 4 - ^ =
535; OBJ-NEXT:     $ebx $T0 8 - ^ =
536; OBJ-NEXT:     $edi $T0 12 - ^ =
537; OBJ-NEXT:   ]
538; OBJ-NEXT: }
539; OBJ-NEXT: FrameData {
540; OBJ-NEXT:   RvaStart: 0x4
541; OBJ-NEXT:   CodeSize: 0x56
542; OBJ-NEXT:   LocalSize: 0x0
543; OBJ-NEXT:   ParamsSize: 0x0
544; OBJ-NEXT:   MaxStackSize: 0x0
545; OBJ-NEXT:   PrologSize: 0x3
546; OBJ-NEXT:   SavedRegsSize: 0x10
547; OBJ-NEXT:   Flags [ (0x0)
548; OBJ-NEXT:   ]
549; OBJ-NEXT:   FrameFunc [
550; OBJ-NEXT:     $T0 .raSearch =
551; OBJ-NEXT:     $eip $T0 ^ =
552; OBJ-NEXT:     $esp $T0 4 + =
553; OBJ-NEXT:     $ebp $T0 4 - ^ =
554; OBJ-NEXT:     $ebx $T0 8 - ^ =
555; OBJ-NEXT:     $edi $T0 12 - ^ =
556; OBJ-NEXT:     $esi $T0 16 - ^ =
557; OBJ-NEXT:   ]
558; OBJ-NEXT: }
559; OBJ-NEXT: FrameData {
560; OBJ-NEXT:   RvaStart: 0x7
561; OBJ-NEXT:   CodeSize: 0x53
562; OBJ-NEXT:   LocalSize: 0x8
563; OBJ-NEXT:   ParamsSize: 0x0
564; OBJ-NEXT:   MaxStackSize: 0x0
565; OBJ-NEXT:   PrologSize: 0x0
566; OBJ-NEXT:   SavedRegsSize: 0x10
567; OBJ-NEXT:   Flags [ (0x0)
568; OBJ-NEXT:   ]
569; OBJ-NEXT:   FrameFunc [
570; OBJ-NEXT:     $T0 .raSearch =
571; OBJ-NEXT:     $eip $T0 ^ =
572; OBJ-NEXT:     $esp $T0 4 + =
573; OBJ-NEXT:     $ebp $T0 4 - ^ =
574; OBJ-NEXT:     $ebx $T0 8 - ^ =
575; OBJ-NEXT:     $edi $T0 12 - ^ =
576; OBJ-NEXT:     $esi $T0 16 - ^ =
577; OBJ-NEXT:   ]
578; OBJ-NEXT: }
579; OBJ-NOT: FrameData
580
581; Function Attrs: nounwind readnone speculatable
582declare void @llvm.dbg.value(metadata, metadata, metadata) #2
583
584attributes #0 = { nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="pentium4" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
585attributes #1 = { "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="pentium4" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
586attributes #2 = { nounwind readnone speculatable }
587attributes #3 = { nounwind }
588
589!llvm.dbg.cu = !{!0}
590!llvm.module.flags = !{!3, !4, !5, !6}
591!llvm.ident = !{!7}
592
593!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 6.0.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
594!1 = !DIFile(filename: "t.c", directory: "C:\5Csrc\5Cllvm-project\5Cbuild", checksumkind: CSK_MD5, checksum: "0b1c85f8a0bfb41380df1fcaeadde306")
595!2 = !{}
596!3 = !{i32 1, !"NumRegisterParameters", i32 0}
597!4 = !{i32 2, !"CodeView", i32 1}
598!5 = !{i32 2, !"Debug Info Version", i32 3}
599!6 = !{i32 1, !"wchar_size", i32 2}
600!7 = !{!"clang version 6.0.0 "}
601!8 = distinct !DISubprogram(name: "csr1", scope: !1, file: !1, line: 3, type: !9, isLocal: false, isDefinition: true, scopeLine: 3, isOptimized: true, unit: !0, retainedNodes: !12)
602!9 = !DISubroutineType(types: !10)
603!10 = !{!11}
604!11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
605!12 = !{!13}
606!13 = !DILocalVariable(name: "a", scope: !8, file: !1, line: 4, type: !11)
607!14 = !DILocation(line: 4, column: 11, scope: !8)
608!15 = !DILocation(line: 4, column: 7, scope: !8)
609!16 = !DILocation(line: 5, column: 3, scope: !8)
610!17 = !DILocation(line: 6, column: 3, scope: !8)
611!18 = !DILocation(line: 7, column: 3, scope: !8)
612!19 = distinct !DISubprogram(name: "csr2", scope: !1, file: !1, line: 9, type: !9, isLocal: false, isDefinition: true, scopeLine: 9, isOptimized: true, unit: !0, retainedNodes: !20)
613!20 = !{!21, !22}
614!21 = !DILocalVariable(name: "a", scope: !19, file: !1, line: 10, type: !11)
615!22 = !DILocalVariable(name: "b", scope: !19, file: !1, line: 11, type: !11)
616!23 = !DILocation(line: 10, column: 11, scope: !19)
617!24 = !DILocation(line: 10, column: 7, scope: !19)
618!25 = !DILocation(line: 11, column: 11, scope: !19)
619!26 = !DILocation(line: 11, column: 7, scope: !19)
620!27 = !DILocation(line: 12, column: 3, scope: !19)
621!28 = !DILocation(line: 13, column: 3, scope: !19)
622!29 = !DILocation(line: 14, column: 3, scope: !19)
623!30 = distinct !DISubprogram(name: "csr3", scope: !1, file: !1, line: 16, type: !9, isLocal: false, isDefinition: true, scopeLine: 16, isOptimized: true, unit: !0, retainedNodes: !31)
624!31 = !{!32, !33, !34}
625!32 = !DILocalVariable(name: "a", scope: !30, file: !1, line: 17, type: !11)
626!33 = !DILocalVariable(name: "b", scope: !30, file: !1, line: 18, type: !11)
627!34 = !DILocalVariable(name: "c", scope: !30, file: !1, line: 19, type: !11)
628!35 = !DILocation(line: 17, column: 11, scope: !30)
629!36 = !DILocation(line: 17, column: 7, scope: !30)
630!37 = !DILocation(line: 18, column: 11, scope: !30)
631!38 = !DILocation(line: 18, column: 7, scope: !30)
632!39 = !DILocation(line: 19, column: 11, scope: !30)
633!40 = !DILocation(line: 19, column: 7, scope: !30)
634!41 = !DILocation(line: 20, column: 3, scope: !30)
635!42 = !DILocation(line: 21, column: 3, scope: !30)
636!43 = !DILocation(line: 22, column: 3, scope: !30)
637!44 = distinct !DISubprogram(name: "csr4", scope: !1, file: !1, line: 24, type: !9, isLocal: false, isDefinition: true, scopeLine: 24, isOptimized: true, unit: !0, retainedNodes: !45)
638!45 = !{!46, !47, !48, !49}
639!46 = !DILocalVariable(name: "a", scope: !44, file: !1, line: 25, type: !11)
640!47 = !DILocalVariable(name: "b", scope: !44, file: !1, line: 26, type: !11)
641!48 = !DILocalVariable(name: "c", scope: !44, file: !1, line: 27, type: !11)
642!49 = !DILocalVariable(name: "d", scope: !44, file: !1, line: 28, type: !11)
643!50 = !DILocation(line: 25, column: 11, scope: !44)
644!51 = !DILocation(line: 25, column: 7, scope: !44)
645!52 = !DILocation(line: 26, column: 11, scope: !44)
646!53 = !DILocation(line: 26, column: 7, scope: !44)
647!54 = !DILocation(line: 27, column: 11, scope: !44)
648!55 = !DILocation(line: 27, column: 7, scope: !44)
649!56 = !DILocation(line: 28, column: 11, scope: !44)
650!57 = !DILocation(line: 28, column: 7, scope: !44)
651!58 = !DILocation(line: 29, column: 3, scope: !44)
652!59 = !DILocation(line: 30, column: 3, scope: !44)
653!60 = !DILocation(line: 31, column: 3, scope: !44)
654!61 = distinct !DISubprogram(name: "spill", scope: !1, file: !1, line: 33, type: !9, isLocal: false, isDefinition: true, scopeLine: 33, isOptimized: true, unit: !0, retainedNodes: !62)
655!62 = !{!63, !64, !65, !66, !67}
656!63 = !DILocalVariable(name: "a", scope: !61, file: !1, line: 34, type: !11)
657!64 = !DILocalVariable(name: "b", scope: !61, file: !1, line: 35, type: !11)
658!65 = !DILocalVariable(name: "c", scope: !61, file: !1, line: 36, type: !11)
659!66 = !DILocalVariable(name: "d", scope: !61, file: !1, line: 37, type: !11)
660!67 = !DILocalVariable(name: "e", scope: !61, file: !1, line: 38, type: !11)
661!68 = !DILocation(line: 34, column: 11, scope: !61)
662!69 = !DILocation(line: 34, column: 7, scope: !61)
663!70 = !DILocation(line: 35, column: 11, scope: !61)
664!71 = !DILocation(line: 35, column: 7, scope: !61)
665!72 = !DILocation(line: 36, column: 11, scope: !61)
666!73 = !DILocation(line: 36, column: 7, scope: !61)
667!74 = !DILocation(line: 37, column: 11, scope: !61)
668!75 = !DILocation(line: 37, column: 7, scope: !61)
669!76 = !DILocation(line: 38, column: 11, scope: !61)
670!77 = !DILocation(line: 38, column: 7, scope: !61)
671!78 = !DILocation(line: 39, column: 3, scope: !61)
672!79 = !DILocation(line: 40, column: 3, scope: !61)
673!80 = !DILocation(line: 41, column: 3, scope: !61)
674