1; RUN: not llc < %s -mtriple=thumbv8m.base-none-eabi 2>&1 | FileCheck %s --check-prefix=BASELINE
2; RUN: llc < %s -mtriple=thumbv8m.main-none-eabi -mattr=+dsp 2>&1 | FileCheck %s --check-prefix=MAINLINE
3
4; BASELINE: LLVM ERROR: Invalid register name "basepri_max_ns".
5
6define i32 @read_mclass_registers() nounwind {
7entry:
8  ; MAINLINE-LABEL: read_mclass_registers:
9  ; MAINLINE:   mrs r0, apsr
10  ; MAINLINE:   mrs r1, iapsr
11  ; MAINLINE:   mrs r1, eapsr
12  ; MAINLINE:   mrs r1, xpsr
13  ; MAINLINE:   mrs r1, ipsr
14  ; MAINLINE:   mrs r1, epsr
15  ; MAINLINE:   mrs r1, iepsr
16  ; MAINLINE:   mrs r1, msp
17  ; MAINLINE:   mrs r1, psp
18  ; MAINLINE:   mrs r1, primask
19  ; MAINLINE:   mrs r1, basepri
20  ; MAINLINE:   mrs r1, basepri_max
21  ; MAINLINE:   mrs r1, faultmask
22  ; MAINLINE:   mrs r1, control
23  ; MAINLINE:   mrs r1, msplim
24  ; MAINLINE:   mrs r1, psplim
25  ; MAINLINE:   mrs r1, msp_ns
26  ; MAINLINE:   mrs r1, psp_ns
27  ; MAINLINE:   mrs r1, msplim_ns
28  ; MAINLINE:   mrs r1, psplim_ns
29  ; MAINLINE:   mrs r1, primask_ns
30  ; MAINLINE:   mrs r1, basepri_ns
31  ; MAINLINE:   mrs r1, faultmask_ns
32  ; MAINLINE:   mrs r1, control_ns
33  ; MAINLINE:   mrs r1, sp_ns
34  ; MAINLINE:   mrs r1, basepri_max_ns
35
36  %0 = call i32 @llvm.read_register.i32(metadata !0)
37  %1 = call i32 @llvm.read_register.i32(metadata !4)
38  %add1 = add i32 %1, %0
39  %2 = call i32 @llvm.read_register.i32(metadata !8)
40  %add2 = add i32 %add1, %2
41  %3 = call i32 @llvm.read_register.i32(metadata !12)
42  %add3 = add i32 %add2, %3
43  %4 = call i32 @llvm.read_register.i32(metadata !16)
44  %add4 = add i32 %add3, %4
45  %5 = call i32 @llvm.read_register.i32(metadata !17)
46  %add5 = add i32 %add4, %5
47  %6 = call i32 @llvm.read_register.i32(metadata !18)
48  %add6 = add i32 %add5, %6
49  %7 = call i32 @llvm.read_register.i32(metadata !19)
50  %add7 = add i32 %add6, %7
51  %8 = call i32 @llvm.read_register.i32(metadata !20)
52  %add8 = add i32 %add7, %8
53  %9 = call i32 @llvm.read_register.i32(metadata !21)
54  %add9 = add i32 %add8, %9
55  %10 = call i32 @llvm.read_register.i32(metadata !22)
56  %add10 = add i32 %add9, %10
57  %11 = call i32 @llvm.read_register.i32(metadata !23)
58  %add11 = add i32 %add10, %11
59  %12 = call i32 @llvm.read_register.i32(metadata !24)
60  %add12 = add i32 %add11, %12
61  %13 = call i32 @llvm.read_register.i32(metadata !25)
62  %add13 = add i32 %add12, %13
63  %14 = call i32 @llvm.read_register.i32(metadata !26)
64  %add14 = add i32 %add13, %14
65  %15 = call i32 @llvm.read_register.i32(metadata !27)
66  %add15 = add i32 %add14, %15
67  %16 = call i32 @llvm.read_register.i32(metadata !28)
68  %add16 = add i32 %add15, %16
69  %17 = call i32 @llvm.read_register.i32(metadata !29)
70  %add17 = add i32 %add16, %17
71  %18 = call i32 @llvm.read_register.i32(metadata !30)
72  %add18 = add i32 %add17, %18
73  %19 = call i32 @llvm.read_register.i32(metadata !31)
74  %add19 = add i32 %add18, %19
75  %20 = call i32 @llvm.read_register.i32(metadata !32)
76  %add20 = add i32 %add19, %20
77  %21 = call i32 @llvm.read_register.i32(metadata !33)
78  %add21 = add i32 %add20, %21
79  %22 = call i32 @llvm.read_register.i32(metadata !34)
80  %add22 = add i32 %add21, %22
81  %23 = call i32 @llvm.read_register.i32(metadata !35)
82  %add23 = add i32 %add22, %23
83  %24 = call i32 @llvm.read_register.i32(metadata !36)
84  %add24 = add i32 %add23, %24
85  %25 = call i32 @llvm.read_register.i32(metadata !37)
86  %add25 = add i32 %add24, %25
87  ret i32 %add25
88}
89
90define void @write_mclass_registers(i32 %x) nounwind {
91entry:
92  ; MAINLINE-LABEL: write_mclass_registers:
93  ; MAINLINE:   msr apsr_nzcvqg, r0
94  ; MAINLINE:   msr apsr_nzcvq, r0
95  ; MAINLINE:   msr apsr_g, r0
96  ; MAINLINE:   msr apsr_nzcvqg, r0
97  ; MAINLINE:   msr iapsr_nzcvqg, r0
98  ; MAINLINE:   msr iapsr_nzcvq, r0
99  ; MAINLINE:   msr iapsr_g, r0
100  ; MAINLINE:   msr iapsr_nzcvqg, r0
101  ; MAINLINE:   msr eapsr_nzcvqg, r0
102  ; MAINLINE:   msr eapsr_nzcvq, r0
103  ; MAINLINE:   msr eapsr_g, r0
104  ; MAINLINE:   msr eapsr_nzcvqg, r0
105  ; MAINLINE:   msr xpsr_nzcvqg, r0
106  ; MAINLINE:   msr xpsr_nzcvq, r0
107  ; MAINLINE:   msr xpsr_g, r0
108  ; MAINLINE:   msr xpsr_nzcvqg, r0
109  ; MAINLINE:   msr ipsr, r0
110  ; MAINLINE:   msr epsr, r0
111  ; MAINLINE:   msr iepsr, r0
112  ; MAINLINE:   msr msp, r0
113  ; MAINLINE:   msr psp, r0
114  ; MAINLINE:   msr primask, r0
115  ; MAINLINE:   msr basepri, r0
116  ; MAINLINE:   msr basepri_max, r0
117  ; MAINLINE:   msr faultmask, r0
118  ; MAINLINE:   msr control, r0
119  ; MAINLINE:   msr msplim, r0
120  ; MAINLINE:   msr psplim, r0
121  ; MAINLINE:   msr msp_ns, r0
122  ; MAINLINE:   msr psp_ns, r0
123  ; MAINLINE:   msr msplim_ns, r0
124  ; MAINLINE:   msr psplim_ns, r0
125  ; MAINLINE:   msr primask_ns, r0
126  ; MAINLINE:   msr basepri_ns, r0
127  ; MAINLINE:   msr faultmask_ns, r0
128  ; MAINLINE:   msr control_ns, r0
129  ; MAINLINE:   msr sp_ns, r0
130  ; MAINLINE:   msr basepri_max_ns, r0
131
132  call void @llvm.write_register.i32(metadata !0, i32 %x)
133  call void @llvm.write_register.i32(metadata !1, i32 %x)
134  call void @llvm.write_register.i32(metadata !2, i32 %x)
135  call void @llvm.write_register.i32(metadata !3, i32 %x)
136  call void @llvm.write_register.i32(metadata !4, i32 %x)
137  call void @llvm.write_register.i32(metadata !5, i32 %x)
138  call void @llvm.write_register.i32(metadata !6, i32 %x)
139  call void @llvm.write_register.i32(metadata !7, i32 %x)
140  call void @llvm.write_register.i32(metadata !8, i32 %x)
141  call void @llvm.write_register.i32(metadata !9, i32 %x)
142  call void @llvm.write_register.i32(metadata !10, i32 %x)
143  call void @llvm.write_register.i32(metadata !11, i32 %x)
144  call void @llvm.write_register.i32(metadata !12, i32 %x)
145  call void @llvm.write_register.i32(metadata !13, i32 %x)
146  call void @llvm.write_register.i32(metadata !14, i32 %x)
147  call void @llvm.write_register.i32(metadata !15, i32 %x)
148  call void @llvm.write_register.i32(metadata !16, i32 %x)
149  call void @llvm.write_register.i32(metadata !17, i32 %x)
150  call void @llvm.write_register.i32(metadata !18, i32 %x)
151  call void @llvm.write_register.i32(metadata !19, i32 %x)
152  call void @llvm.write_register.i32(metadata !20, i32 %x)
153  call void @llvm.write_register.i32(metadata !21, i32 %x)
154  call void @llvm.write_register.i32(metadata !22, i32 %x)
155  call void @llvm.write_register.i32(metadata !23, i32 %x)
156  call void @llvm.write_register.i32(metadata !24, i32 %x)
157  call void @llvm.write_register.i32(metadata !25, i32 %x)
158  call void @llvm.write_register.i32(metadata !26, i32 %x)
159  call void @llvm.write_register.i32(metadata !27, i32 %x)
160  call void @llvm.write_register.i32(metadata !28, i32 %x)
161  call void @llvm.write_register.i32(metadata !29, i32 %x)
162  call void @llvm.write_register.i32(metadata !30, i32 %x)
163  call void @llvm.write_register.i32(metadata !31, i32 %x)
164  call void @llvm.write_register.i32(metadata !32, i32 %x)
165  call void @llvm.write_register.i32(metadata !33, i32 %x)
166  call void @llvm.write_register.i32(metadata !34, i32 %x)
167  call void @llvm.write_register.i32(metadata !35, i32 %x)
168  call void @llvm.write_register.i32(metadata !36, i32 %x)
169  call void @llvm.write_register.i32(metadata !37, i32 %x)
170  ret void
171}
172
173declare i32 @llvm.read_register.i32(metadata) nounwind
174declare void @llvm.write_register.i32(metadata, i32) nounwind
175
176!0 = !{!"apsr"}
177!1 = !{!"apsr_nzcvq"}
178!2 = !{!"apsr_g"}
179!3 = !{!"apsr_nzcvqg"}
180!4 = !{!"iapsr"}
181!5 = !{!"iapsr_nzcvq"}
182!6 = !{!"iapsr_g"}
183!7 = !{!"iapsr_nzcvqg"}
184!8 = !{!"eapsr"}
185!9 = !{!"eapsr_nzcvq"}
186!10 = !{!"eapsr_g"}
187!11 = !{!"eapsr_nzcvqg"}
188!12 = !{!"xpsr"}
189!13 = !{!"xpsr_nzcvq"}
190!14 = !{!"xpsr_g"}
191!15 = !{!"xpsr_nzcvqg"}
192!16 = !{!"ipsr"}
193!17 = !{!"epsr"}
194!18 = !{!"iepsr"}
195!19 = !{!"msp"}
196!20 = !{!"psp"}
197!21 = !{!"primask"}
198!22 = !{!"basepri"}
199!23 = !{!"basepri_max"}
200!24 = !{!"faultmask"}
201!25 = !{!"control"}
202!26 = !{!"msplim"}
203!27 = !{!"psplim"}
204!28 = !{!"msp_ns"}
205!29 = !{!"psp_ns"}
206!30 = !{!"msplim_ns"}
207!31 = !{!"psplim_ns"}
208!32 = !{!"primask_ns"}
209!33 = !{!"basepri_ns"}
210!34 = !{!"faultmask_ns"}
211!35 = !{!"control_ns"}
212!36 = !{!"sp_ns"}
213!37 = !{!"basepri_max_ns"}
214
215