1; RUN: not --crash llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs  -amdgpu-s-branch-bits=4 < %s 2>&1 | FileCheck -check-prefix=FAIL %s
2
3; FIXME: This should be able to compile, but requires inserting an
4; extra block to restore the scavenged register.
5
6; FAIL: LLVM ERROR: Error while trying to spill SGPR0_SGPR1 from class SReg_64: Cannot scavenge register without an emergency spill slot!
7
8define amdgpu_kernel void @spill(i32 addrspace(1)* %arg, i32 %cnd) #0 {
9entry:
10  %sgpr0 = tail call i32 asm sideeffect "s_mov_b32 s0, 0", "={s0}"() #0
11  %sgpr1 = tail call i32 asm sideeffect "s_mov_b32 s1, 0", "={s1}"() #0
12  %sgpr2 = tail call i32 asm sideeffect "s_mov_b32 s2, 0", "={s2}"() #0
13  %sgpr3 = tail call i32 asm sideeffect "s_mov_b32 s3, 0", "={s3}"() #0
14  %sgpr4 = tail call i32 asm sideeffect "s_mov_b32 s4, 0", "={s4}"() #0
15  %sgpr5 = tail call i32 asm sideeffect "s_mov_b32 s5, 0", "={s5}"() #0
16  %sgpr6 = tail call i32 asm sideeffect "s_mov_b32 s6, 0", "={s6}"() #0
17  %sgpr7 = tail call i32 asm sideeffect "s_mov_b32 s7, 0", "={s7}"() #0
18  %sgpr8 = tail call i32 asm sideeffect "s_mov_b32 s8, 0", "={s8}"() #0
19  %sgpr9 = tail call i32 asm sideeffect "s_mov_b32 s9, 0", "={s9}"() #0
20  %sgpr10 = tail call i32 asm sideeffect "s_mov_b32 s10, 0", "={s10}"() #0
21  %sgpr11 = tail call i32 asm sideeffect "s_mov_b32 s11, 0", "={s11}"() #0
22  %sgpr12 = tail call i32 asm sideeffect "s_mov_b32 s12, 0", "={s12}"() #0
23  %sgpr13 = tail call i32 asm sideeffect "s_mov_b32 s13, 0", "={s13}"() #0
24  %sgpr14 = tail call i32 asm sideeffect "s_mov_b32 s14, 0", "={s14}"() #0
25  %sgpr15 = tail call i32 asm sideeffect "s_mov_b32 s15, 0", "={s15}"() #0
26  %sgpr16 = tail call i32 asm sideeffect "s_mov_b32 s16, 0", "={s16}"() #0
27  %sgpr17 = tail call i32 asm sideeffect "s_mov_b32 s17, 0", "={s17}"() #0
28  %sgpr18 = tail call i32 asm sideeffect "s_mov_b32 s18, 0", "={s18}"() #0
29  %sgpr19 = tail call i32 asm sideeffect "s_mov_b32 s19, 0", "={s19}"() #0
30  %sgpr20 = tail call i32 asm sideeffect "s_mov_b32 s20, 0", "={s20}"() #0
31  %sgpr21 = tail call i32 asm sideeffect "s_mov_b32 s21, 0", "={s21}"() #0
32  %sgpr22 = tail call i32 asm sideeffect "s_mov_b32 s22, 0", "={s22}"() #0
33  %sgpr23 = tail call i32 asm sideeffect "s_mov_b32 s23, 0", "={s23}"() #0
34  %sgpr24 = tail call i32 asm sideeffect "s_mov_b32 s24, 0", "={s24}"() #0
35  %sgpr25 = tail call i32 asm sideeffect "s_mov_b32 s25, 0", "={s25}"() #0
36  %sgpr26 = tail call i32 asm sideeffect "s_mov_b32 s26, 0", "={s26}"() #0
37  %sgpr27 = tail call i32 asm sideeffect "s_mov_b32 s27, 0", "={s27}"() #0
38  %sgpr28 = tail call i32 asm sideeffect "s_mov_b32 s28, 0", "={s28}"() #0
39  %sgpr29 = tail call i32 asm sideeffect "s_mov_b32 s29, 0", "={s29}"() #0
40  %sgpr30 = tail call i32 asm sideeffect "s_mov_b32 s30, 0", "={s30}"() #0
41  %sgpr31 = tail call i32 asm sideeffect "s_mov_b32 s31, 0", "={s31}"() #0
42  %sgpr32 = tail call i32 asm sideeffect "s_mov_b32 s32, 0", "={s32}"() #0
43  %sgpr33 = tail call i32 asm sideeffect "s_mov_b32 s33, 0", "={s33}"() #0
44  %sgpr34 = tail call i32 asm sideeffect "s_mov_b32 s34, 0", "={s34}"() #0
45  %sgpr35 = tail call i32 asm sideeffect "s_mov_b32 s35, 0", "={s35}"() #0
46  %sgpr36 = tail call i32 asm sideeffect "s_mov_b32 s36, 0", "={s36}"() #0
47  %sgpr37 = tail call i32 asm sideeffect "s_mov_b32 s37, 0", "={s37}"() #0
48  %sgpr38 = tail call i32 asm sideeffect "s_mov_b32 s38, 0", "={s38}"() #0
49  %sgpr39 = tail call i32 asm sideeffect "s_mov_b32 s39, 0", "={s39}"() #0
50  %sgpr40 = tail call i32 asm sideeffect "s_mov_b32 s40, 0", "={s40}"() #0
51  %sgpr41 = tail call i32 asm sideeffect "s_mov_b32 s41, 0", "={s41}"() #0
52  %sgpr42 = tail call i32 asm sideeffect "s_mov_b32 s42, 0", "={s42}"() #0
53  %sgpr43 = tail call i32 asm sideeffect "s_mov_b32 s43, 0", "={s43}"() #0
54  %sgpr44 = tail call i32 asm sideeffect "s_mov_b32 s44, 0", "={s44}"() #0
55  %sgpr45 = tail call i32 asm sideeffect "s_mov_b32 s45, 0", "={s45}"() #0
56  %sgpr46 = tail call i32 asm sideeffect "s_mov_b32 s46, 0", "={s46}"() #0
57  %sgpr47 = tail call i32 asm sideeffect "s_mov_b32 s47, 0", "={s47}"() #0
58  %sgpr48 = tail call i32 asm sideeffect "s_mov_b32 s48, 0", "={s48}"() #0
59  %sgpr49 = tail call i32 asm sideeffect "s_mov_b32 s49, 0", "={s49}"() #0
60  %sgpr50 = tail call i32 asm sideeffect "s_mov_b32 s50, 0", "={s50}"() #0
61  %sgpr51 = tail call i32 asm sideeffect "s_mov_b32 s51, 0", "={s51}"() #0
62  %sgpr52 = tail call i32 asm sideeffect "s_mov_b32 s52, 0", "={s52}"() #0
63  %sgpr53 = tail call i32 asm sideeffect "s_mov_b32 s53, 0", "={s53}"() #0
64  %sgpr54 = tail call i32 asm sideeffect "s_mov_b32 s54, 0", "={s54}"() #0
65  %sgpr55 = tail call i32 asm sideeffect "s_mov_b32 s55, 0", "={s55}"() #0
66  %sgpr56 = tail call i32 asm sideeffect "s_mov_b32 s56, 0", "={s56}"() #0
67  %sgpr57 = tail call i32 asm sideeffect "s_mov_b32 s57, 0", "={s57}"() #0
68  %sgpr58 = tail call i32 asm sideeffect "s_mov_b32 s58, 0", "={s58}"() #0
69  %sgpr59 = tail call i32 asm sideeffect "s_mov_b32 s59, 0", "={s59}"() #0
70  %sgpr60 = tail call i32 asm sideeffect "s_mov_b32 s60, 0", "={s60}"() #0
71  %sgpr61 = tail call i32 asm sideeffect "s_mov_b32 s61, 0", "={s61}"() #0
72  %sgpr62 = tail call i32 asm sideeffect "s_mov_b32 s62, 0", "={s62}"() #0
73  %sgpr63 = tail call i32 asm sideeffect "s_mov_b32 s63, 0", "={s63}"() #0
74  %sgpr64 = tail call i32 asm sideeffect "s_mov_b32 s64, 0", "={s64}"() #0
75  %sgpr65 = tail call i32 asm sideeffect "s_mov_b32 s65, 0", "={s65}"() #0
76  %sgpr66 = tail call i32 asm sideeffect "s_mov_b32 s66, 0", "={s66}"() #0
77  %sgpr67 = tail call i32 asm sideeffect "s_mov_b32 s67, 0", "={s67}"() #0
78  %sgpr68 = tail call i32 asm sideeffect "s_mov_b32 s68, 0", "={s68}"() #0
79  %sgpr69 = tail call i32 asm sideeffect "s_mov_b32 s69, 0", "={s69}"() #0
80  %sgpr70 = tail call i32 asm sideeffect "s_mov_b32 s70, 0", "={s70}"() #0
81  %sgpr71 = tail call i32 asm sideeffect "s_mov_b32 s71, 0", "={s71}"() #0
82  %sgpr72 = tail call i32 asm sideeffect "s_mov_b32 s72, 0", "={s72}"() #0
83  %sgpr73 = tail call i32 asm sideeffect "s_mov_b32 s73, 0", "={s73}"() #0
84  %sgpr74 = tail call i32 asm sideeffect "s_mov_b32 s74, 0", "={s74}"() #0
85  %sgpr75 = tail call i32 asm sideeffect "s_mov_b32 s75, 0", "={s75}"() #0
86  %sgpr76 = tail call i32 asm sideeffect "s_mov_b32 s76, 0", "={s76}"() #0
87  %sgpr77 = tail call i32 asm sideeffect "s_mov_b32 s77, 0", "={s77}"() #0
88  %sgpr78 = tail call i32 asm sideeffect "s_mov_b32 s78, 0", "={s78}"() #0
89  %sgpr79 = tail call i32 asm sideeffect "s_mov_b32 s79, 0", "={s79}"() #0
90  %sgpr80 = tail call i32 asm sideeffect "s_mov_b32 s80, 0", "={s80}"() #0
91  %sgpr81 = tail call i32 asm sideeffect "s_mov_b32 s81, 0", "={s81}"() #0
92  %sgpr82 = tail call i32 asm sideeffect "s_mov_b32 s82, 0", "={s82}"() #0
93  %sgpr83 = tail call i32 asm sideeffect "s_mov_b32 s83, 0", "={s83}"() #0
94  %sgpr84 = tail call i32 asm sideeffect "s_mov_b32 s84, 0", "={s84}"() #0
95  %sgpr85 = tail call i32 asm sideeffect "s_mov_b32 s85, 0", "={s85}"() #0
96  %sgpr86 = tail call i32 asm sideeffect "s_mov_b32 s86, 0", "={s86}"() #0
97  %sgpr87 = tail call i32 asm sideeffect "s_mov_b32 s87, 0", "={s87}"() #0
98  %sgpr88 = tail call i32 asm sideeffect "s_mov_b32 s88, 0", "={s88}"() #0
99  %sgpr89 = tail call i32 asm sideeffect "s_mov_b32 s89, 0", "={s89}"() #0
100  %sgpr90 = tail call i32 asm sideeffect "s_mov_b32 s90, 0", "={s90}"() #0
101  %sgpr91 = tail call i32 asm sideeffect "s_mov_b32 s91, 0", "={s91}"() #0
102  %sgpr92 = tail call i32 asm sideeffect "s_mov_b32 s92, 0", "={s92}"() #0
103  %sgpr93 = tail call i32 asm sideeffect "s_mov_b32 s93, 0", "={s93}"() #0
104  %sgpr94 = tail call i32 asm sideeffect "s_mov_b32 s94, 0", "={s94}"() #0
105  %sgpr95 = tail call i32 asm sideeffect "s_mov_b32 s95, 0", "={s95}"() #0
106  %sgpr96 = tail call i32 asm sideeffect "s_mov_b32 s96, 0", "={s96}"() #0
107  %sgpr97 = tail call i32 asm sideeffect "s_mov_b32 s97, 0", "={s97}"() #0
108  %sgpr98 = tail call i32 asm sideeffect "s_mov_b32 s98, 0", "={s98}"() #0
109  %sgpr99 = tail call i32 asm sideeffect "s_mov_b32 s99, 0", "={s99}"() #0
110  %sgpr100 = tail call i32 asm sideeffect "s_mov_b32 s100, 0", "={s100}"() #0
111  %sgpr101 = tail call i32 asm sideeffect "s_mov_b32 s101, 0", "={s101}"() #0
112  %vcc_lo = tail call i32 asm sideeffect "s_mov_b32 $0, 0", "={vcc_lo}"() #0
113  %vcc_hi = tail call i32 asm sideeffect "s_mov_b32 $0, 0", "={vcc_hi}"() #0
114  %cmp = icmp eq i32 %cnd, 0
115  br i1 %cmp, label %bb3, label %bb2 ; +8 dword branch
116
117bb2: ; 28 bytes
118  ; 24 byte asm
119  call void asm sideeffect
120   "v_nop_e64
121    v_nop_e64
122    v_nop_e64
123    v_nop_e64",""() #0
124  br label %bb3
125
126bb3:
127  tail call void asm sideeffect "; reg use $0", "{s0}"(i32 %sgpr0) #0
128  tail call void asm sideeffect "; reg use $0", "{s1}"(i32 %sgpr1) #0
129  tail call void asm sideeffect "; reg use $0", "{s2}"(i32 %sgpr2) #0
130  tail call void asm sideeffect "; reg use $0", "{s3}"(i32 %sgpr3) #0
131  tail call void asm sideeffect "; reg use $0", "{s4}"(i32 %sgpr4) #0
132  tail call void asm sideeffect "; reg use $0", "{s5}"(i32 %sgpr5) #0
133  tail call void asm sideeffect "; reg use $0", "{s6}"(i32 %sgpr6) #0
134  tail call void asm sideeffect "; reg use $0", "{s7}"(i32 %sgpr7) #0
135  tail call void asm sideeffect "; reg use $0", "{s8}"(i32 %sgpr8) #0
136  tail call void asm sideeffect "; reg use $0", "{s9}"(i32 %sgpr9) #0
137  tail call void asm sideeffect "; reg use $0", "{s10}"(i32 %sgpr10) #0
138  tail call void asm sideeffect "; reg use $0", "{s11}"(i32 %sgpr11) #0
139  tail call void asm sideeffect "; reg use $0", "{s12}"(i32 %sgpr12) #0
140  tail call void asm sideeffect "; reg use $0", "{s13}"(i32 %sgpr13) #0
141  tail call void asm sideeffect "; reg use $0", "{s14}"(i32 %sgpr14) #0
142  tail call void asm sideeffect "; reg use $0", "{s15}"(i32 %sgpr15) #0
143  tail call void asm sideeffect "; reg use $0", "{s16}"(i32 %sgpr16) #0
144  tail call void asm sideeffect "; reg use $0", "{s17}"(i32 %sgpr17) #0
145  tail call void asm sideeffect "; reg use $0", "{s18}"(i32 %sgpr18) #0
146  tail call void asm sideeffect "; reg use $0", "{s19}"(i32 %sgpr19) #0
147  tail call void asm sideeffect "; reg use $0", "{s20}"(i32 %sgpr20) #0
148  tail call void asm sideeffect "; reg use $0", "{s21}"(i32 %sgpr21) #0
149  tail call void asm sideeffect "; reg use $0", "{s22}"(i32 %sgpr22) #0
150  tail call void asm sideeffect "; reg use $0", "{s23}"(i32 %sgpr23) #0
151  tail call void asm sideeffect "; reg use $0", "{s24}"(i32 %sgpr24) #0
152  tail call void asm sideeffect "; reg use $0", "{s25}"(i32 %sgpr25) #0
153  tail call void asm sideeffect "; reg use $0", "{s26}"(i32 %sgpr26) #0
154  tail call void asm sideeffect "; reg use $0", "{s27}"(i32 %sgpr27) #0
155  tail call void asm sideeffect "; reg use $0", "{s28}"(i32 %sgpr28) #0
156  tail call void asm sideeffect "; reg use $0", "{s29}"(i32 %sgpr29) #0
157  tail call void asm sideeffect "; reg use $0", "{s30}"(i32 %sgpr30) #0
158  tail call void asm sideeffect "; reg use $0", "{s31}"(i32 %sgpr31) #0
159  tail call void asm sideeffect "; reg use $0", "{s32}"(i32 %sgpr32) #0
160  tail call void asm sideeffect "; reg use $0", "{s33}"(i32 %sgpr33) #0
161  tail call void asm sideeffect "; reg use $0", "{s34}"(i32 %sgpr34) #0
162  tail call void asm sideeffect "; reg use $0", "{s35}"(i32 %sgpr35) #0
163  tail call void asm sideeffect "; reg use $0", "{s36}"(i32 %sgpr36) #0
164  tail call void asm sideeffect "; reg use $0", "{s37}"(i32 %sgpr37) #0
165  tail call void asm sideeffect "; reg use $0", "{s38}"(i32 %sgpr38) #0
166  tail call void asm sideeffect "; reg use $0", "{s39}"(i32 %sgpr39) #0
167  tail call void asm sideeffect "; reg use $0", "{s40}"(i32 %sgpr40) #0
168  tail call void asm sideeffect "; reg use $0", "{s41}"(i32 %sgpr41) #0
169  tail call void asm sideeffect "; reg use $0", "{s42}"(i32 %sgpr42) #0
170  tail call void asm sideeffect "; reg use $0", "{s43}"(i32 %sgpr43) #0
171  tail call void asm sideeffect "; reg use $0", "{s44}"(i32 %sgpr44) #0
172  tail call void asm sideeffect "; reg use $0", "{s45}"(i32 %sgpr45) #0
173  tail call void asm sideeffect "; reg use $0", "{s46}"(i32 %sgpr46) #0
174  tail call void asm sideeffect "; reg use $0", "{s47}"(i32 %sgpr47) #0
175  tail call void asm sideeffect "; reg use $0", "{s48}"(i32 %sgpr48) #0
176  tail call void asm sideeffect "; reg use $0", "{s49}"(i32 %sgpr49) #0
177  tail call void asm sideeffect "; reg use $0", "{s50}"(i32 %sgpr50) #0
178  tail call void asm sideeffect "; reg use $0", "{s51}"(i32 %sgpr51) #0
179  tail call void asm sideeffect "; reg use $0", "{s52}"(i32 %sgpr52) #0
180  tail call void asm sideeffect "; reg use $0", "{s53}"(i32 %sgpr53) #0
181  tail call void asm sideeffect "; reg use $0", "{s54}"(i32 %sgpr54) #0
182  tail call void asm sideeffect "; reg use $0", "{s55}"(i32 %sgpr55) #0
183  tail call void asm sideeffect "; reg use $0", "{s56}"(i32 %sgpr56) #0
184  tail call void asm sideeffect "; reg use $0", "{s57}"(i32 %sgpr57) #0
185  tail call void asm sideeffect "; reg use $0", "{s58}"(i32 %sgpr58) #0
186  tail call void asm sideeffect "; reg use $0", "{s59}"(i32 %sgpr59) #0
187  tail call void asm sideeffect "; reg use $0", "{s60}"(i32 %sgpr60) #0
188  tail call void asm sideeffect "; reg use $0", "{s61}"(i32 %sgpr61) #0
189  tail call void asm sideeffect "; reg use $0", "{s62}"(i32 %sgpr62) #0
190  tail call void asm sideeffect "; reg use $0", "{s63}"(i32 %sgpr63) #0
191  tail call void asm sideeffect "; reg use $0", "{s64}"(i32 %sgpr64) #0
192  tail call void asm sideeffect "; reg use $0", "{s65}"(i32 %sgpr65) #0
193  tail call void asm sideeffect "; reg use $0", "{s66}"(i32 %sgpr66) #0
194  tail call void asm sideeffect "; reg use $0", "{s67}"(i32 %sgpr67) #0
195  tail call void asm sideeffect "; reg use $0", "{s68}"(i32 %sgpr68) #0
196  tail call void asm sideeffect "; reg use $0", "{s69}"(i32 %sgpr69) #0
197  tail call void asm sideeffect "; reg use $0", "{s70}"(i32 %sgpr70) #0
198  tail call void asm sideeffect "; reg use $0", "{s71}"(i32 %sgpr71) #0
199  tail call void asm sideeffect "; reg use $0", "{s72}"(i32 %sgpr72) #0
200  tail call void asm sideeffect "; reg use $0", "{s73}"(i32 %sgpr73) #0
201  tail call void asm sideeffect "; reg use $0", "{s74}"(i32 %sgpr74) #0
202  tail call void asm sideeffect "; reg use $0", "{s75}"(i32 %sgpr75) #0
203  tail call void asm sideeffect "; reg use $0", "{s76}"(i32 %sgpr76) #0
204  tail call void asm sideeffect "; reg use $0", "{s77}"(i32 %sgpr77) #0
205  tail call void asm sideeffect "; reg use $0", "{s78}"(i32 %sgpr78) #0
206  tail call void asm sideeffect "; reg use $0", "{s79}"(i32 %sgpr79) #0
207  tail call void asm sideeffect "; reg use $0", "{s80}"(i32 %sgpr80) #0
208  tail call void asm sideeffect "; reg use $0", "{s81}"(i32 %sgpr81) #0
209  tail call void asm sideeffect "; reg use $0", "{s82}"(i32 %sgpr82) #0
210  tail call void asm sideeffect "; reg use $0", "{s83}"(i32 %sgpr83) #0
211  tail call void asm sideeffect "; reg use $0", "{s84}"(i32 %sgpr84) #0
212  tail call void asm sideeffect "; reg use $0", "{s85}"(i32 %sgpr85) #0
213  tail call void asm sideeffect "; reg use $0", "{s86}"(i32 %sgpr86) #0
214  tail call void asm sideeffect "; reg use $0", "{s87}"(i32 %sgpr87) #0
215  tail call void asm sideeffect "; reg use $0", "{s88}"(i32 %sgpr88) #0
216  tail call void asm sideeffect "; reg use $0", "{s89}"(i32 %sgpr89) #0
217  tail call void asm sideeffect "; reg use $0", "{s90}"(i32 %sgpr90) #0
218  tail call void asm sideeffect "; reg use $0", "{s91}"(i32 %sgpr91) #0
219  tail call void asm sideeffect "; reg use $0", "{s92}"(i32 %sgpr92) #0
220  tail call void asm sideeffect "; reg use $0", "{s93}"(i32 %sgpr93) #0
221  tail call void asm sideeffect "; reg use $0", "{s94}"(i32 %sgpr94) #0
222  tail call void asm sideeffect "; reg use $0", "{s95}"(i32 %sgpr95) #0
223  tail call void asm sideeffect "; reg use $0", "{s96}"(i32 %sgpr96) #0
224  tail call void asm sideeffect "; reg use $0", "{s97}"(i32 %sgpr97) #0
225  tail call void asm sideeffect "; reg use $0", "{s98}"(i32 %sgpr98) #0
226  tail call void asm sideeffect "; reg use $0", "{s99}"(i32 %sgpr99) #0
227  tail call void asm sideeffect "; reg use $0", "{s100}"(i32 %sgpr100) #0
228  tail call void asm sideeffect "; reg use $0", "{s101}"(i32 %sgpr101) #0
229  tail call void asm sideeffect "; reg use $0", "{vcc_lo}"(i32 %vcc_lo) #0
230  tail call void asm sideeffect "; reg use $0", "{vcc_hi}"(i32 %vcc_hi) #0
231  ret void
232}
233
234attributes #0 = { nounwind }
235