1 ; RUN: llc < %s -mtriple=thumb-none-eabi -mcpu=cortex-m4 --show-mc-encoding 2>&1 | FileCheck %s --check-prefix=MCORE
2 ; RUN: not --crash llc < %s -mtriple=thumb-none-eabi -mcpu=cortex-m3 2>&1 | FileCheck %s --check-prefix=M3CORE
3 ; RUN: not --crash llc < %s -mtriple=arm-none-eabi -mcpu=cortex-a8 2>&1 | FileCheck %s --check-prefix=ACORE
5 ; ACORE: LLVM ERROR: Invalid register name "control".
6 ; M3CORE: LLVM ERROR: Invalid register name "xpsr_nzcvqg".
8 define i32 @read_mclass_registers() nounwind {
10 ; MCORE-LABEL: read_mclass_registers:
11 ; MCORE: mrs r0, apsr @ encoding: [0xef,0xf3,0x00,0x80]
12 ; MCORE: mrs r1, iapsr @ encoding: [0xef,0xf3,0x01,0x81]
13 ; MCORE: mrs r1, eapsr @ encoding: [0xef,0xf3,0x02,0x81]
14 ; MCORE: mrs r1, xpsr @ encoding: [0xef,0xf3,0x03,0x81]
15 ; MCORE: mrs r1, ipsr @ encoding: [0xef,0xf3,0x05,0x81]
16 ; MCORE: mrs r1, epsr @ encoding: [0xef,0xf3,0x06,0x81]
17 ; MCORE: mrs r1, iepsr @ encoding: [0xef,0xf3,0x07,0x81]
18 ; MCORE: mrs r1, msp @ encoding: [0xef,0xf3,0x08,0x81]
19 ; MCORE: mrs r1, psp @ encoding: [0xef,0xf3,0x09,0x81]
20 ; MCORE: mrs r1, primask @ encoding: [0xef,0xf3,0x10,0x81]
21 ; MCORE: mrs r1, basepri @ encoding: [0xef,0xf3,0x11,0x81]
22 ; MCORE: mrs r1, basepri_max @ encoding: [0xef,0xf3,0x12,0x81]
23 ; MCORE: mrs r1, faultmask @ encoding: [0xef,0xf3,0x13,0x81]
24 ; MCORE: mrs r1, control @ encoding: [0xef,0xf3,0x14,0x81]
26 %0 = call i32 @llvm.read_register.i32(metadata !0)
27 %1 = call i32 @llvm.read_register.i32(metadata !4)
28 %add1 = add i32 %1, %0
29 %2 = call i32 @llvm.read_register.i32(metadata !8)
30 %add2 = add i32 %add1, %2
31 %3 = call i32 @llvm.read_register.i32(metadata !12)
32 %add3 = add i32 %add2, %3
33 %4 = call i32 @llvm.read_register.i32(metadata !16)
34 %add4 = add i32 %add3, %4
35 %5 = call i32 @llvm.read_register.i32(metadata !17)
36 %add5 = add i32 %add4, %5
37 %6 = call i32 @llvm.read_register.i32(metadata !18)
38 %add6 = add i32 %add5, %6
39 %7 = call i32 @llvm.read_register.i32(metadata !19)
40 %add7 = add i32 %add6, %7
41 %8 = call i32 @llvm.read_register.i32(metadata !20)
42 %add8 = add i32 %add7, %8
43 %9 = call i32 @llvm.read_register.i32(metadata !21)
44 %add9 = add i32 %add8, %9
45 %10 = call i32 @llvm.read_register.i32(metadata !22)
46 %add10 = add i32 %add9, %10
47 %11 = call i32 @llvm.read_register.i32(metadata !23)
48 %add11 = add i32 %add10, %11
49 %12 = call i32 @llvm.read_register.i32(metadata !24)
50 %add12 = add i32 %add11, %12
51 %13 = call i32 @llvm.read_register.i32(metadata !25)
52 %add13 = add i32 %add12, %13
56 define void @write_mclass_registers(i32 %x) nounwind {
58 ; MCORE-LABEL: write_mclass_registers:
59 ; MCORE: msr apsr_nzcvq, r0 @ encoding: [0x80,0xf3,0x00,0x88]
60 ; MCORE: msr apsr_nzcvq, r0 @ encoding: [0x80,0xf3,0x00,0x88]
61 ; MCORE: msr apsr_g, r0 @ encoding: [0x80,0xf3,0x00,0x84]
62 ; MCORE: msr apsr_nzcvqg, r0 @ encoding: [0x80,0xf3,0x00,0x8c]
63 ; MCORE: msr iapsr_nzcvq, r0 @ encoding: [0x80,0xf3,0x01,0x88]
64 ; MCORE: msr iapsr_nzcvq, r0 @ encoding: [0x80,0xf3,0x01,0x88]
65 ; MCORE: msr iapsr_g, r0 @ encoding: [0x80,0xf3,0x01,0x84]
66 ; MCORE: msr iapsr_nzcvqg, r0 @ encoding: [0x80,0xf3,0x01,0x8c]
67 ; MCORE: msr eapsr_nzcvq, r0 @ encoding: [0x80,0xf3,0x02,0x88]
68 ; MCORE: msr eapsr_nzcvq, r0 @ encoding: [0x80,0xf3,0x02,0x88]
69 ; MCORE: msr eapsr_g, r0 @ encoding: [0x80,0xf3,0x02,0x84]
70 ; MCORE: msr eapsr_nzcvqg, r0 @ encoding: [0x80,0xf3,0x02,0x8c]
71 ; MCORE: msr xpsr_nzcvq, r0 @ encoding: [0x80,0xf3,0x03,0x88]
72 ; MCORE: msr xpsr_nzcvq, r0 @ encoding: [0x80,0xf3,0x03,0x88]
73 ; MCORE: msr xpsr_g, r0 @ encoding: [0x80,0xf3,0x03,0x84]
74 ; MCORE: msr xpsr_nzcvqg, r0 @ encoding: [0x80,0xf3,0x03,0x8c]
75 ; MCORE: msr ipsr, r0 @ encoding: [0x80,0xf3,0x05,0x88]
76 ; MCORE: msr epsr, r0 @ encoding: [0x80,0xf3,0x06,0x88]
77 ; MCORE: msr iepsr, r0 @ encoding: [0x80,0xf3,0x07,0x88]
78 ; MCORE: msr msp, r0 @ encoding: [0x80,0xf3,0x08,0x88]
79 ; MCORE: msr psp, r0 @ encoding: [0x80,0xf3,0x09,0x88]
80 ; MCORE: msr primask, r0 @ encoding: [0x80,0xf3,0x10,0x88]
81 ; MCORE: msr basepri, r0 @ encoding: [0x80,0xf3,0x11,0x88]
82 ; MCORE: msr basepri_max, r0 @ encoding: [0x80,0xf3,0x12,0x88]
83 ; MCORE: msr faultmask, r0 @ encoding: [0x80,0xf3,0x13,0x88]
84 ; MCORE: msr control, r0 @ encoding: [0x80,0xf3,0x14,0x88]
86 call void @llvm.write_register.i32(metadata !0, i32 %x)
87 call void @llvm.write_register.i32(metadata !1, i32 %x)
88 call void @llvm.write_register.i32(metadata !2, i32 %x)
89 call void @llvm.write_register.i32(metadata !3, i32 %x)
90 call void @llvm.write_register.i32(metadata !4, i32 %x)
91 call void @llvm.write_register.i32(metadata !5, i32 %x)
92 call void @llvm.write_register.i32(metadata !6, i32 %x)
93 call void @llvm.write_register.i32(metadata !7, i32 %x)
94 call void @llvm.write_register.i32(metadata !8, i32 %x)
95 call void @llvm.write_register.i32(metadata !9, i32 %x)
96 call void @llvm.write_register.i32(metadata !10, i32 %x)
97 call void @llvm.write_register.i32(metadata !11, i32 %x)
98 call void @llvm.write_register.i32(metadata !12, i32 %x)
99 call void @llvm.write_register.i32(metadata !13, i32 %x)
100 call void @llvm.write_register.i32(metadata !14, i32 %x)
101 call void @llvm.write_register.i32(metadata !15, i32 %x)
102 call void @llvm.write_register.i32(metadata !16, i32 %x)
103 call void @llvm.write_register.i32(metadata !17, i32 %x)
104 call void @llvm.write_register.i32(metadata !18, i32 %x)
105 call void @llvm.write_register.i32(metadata !19, i32 %x)
106 call void @llvm.write_register.i32(metadata !20, i32 %x)
107 call void @llvm.write_register.i32(metadata !21, i32 %x)
108 call void @llvm.write_register.i32(metadata !22, i32 %x)
109 call void @llvm.write_register.i32(metadata !23, i32 %x)
110 call void @llvm.write_register.i32(metadata !24, i32 %x)
111 call void @llvm.write_register.i32(metadata !25, i32 %x)
115 declare i32 @llvm.read_register.i32(metadata) nounwind
116 declare void @llvm.write_register.i32(metadata, i32) nounwind
119 !1 = !{!"apsr_nzcvq"}
121 !3 = !{!"apsr_nzcvqg"}
123 !5 = !{!"iapsr_nzcvq"}
125 !7 = !{!"iapsr_nzcvqg"}
127 !9 = !{!"eapsr_nzcvq"}
129 !11 = !{!"eapsr_nzcvqg"}
131 !13 = !{!"xpsr_nzcvq"}
133 !15 = !{!"xpsr_nzcvqg"}
141 !23 = !{!"basepri_max"}
142 !24 = !{!"faultmask"}