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1; RUN: not llc < %s -mtriple=thumb-none-eabi -mcpu=cortex-m4 2>&1 | FileCheck %s --check-prefix=V7M2; RUN: llc < %s -mtriple=thumbv8m.base-none-eabi 2>&1 | FileCheck %s3 4; V7M: error: <unknown>:0:0: invalid register "sp_ns" for llvm.read_register5 6define i32 @read_mclass_registers() nounwind {7entry:8 ; CHECK-LABEL: read_mclass_registers:9 ; CHECK: mrs r0, apsr10 ; CHECK: mrs r1, iapsr11 ; CHECK: mrs r1, eapsr12 ; CHECK: mrs r1, xpsr13 ; CHECK: mrs r1, ipsr14 ; CHECK: mrs r1, epsr15 ; CHECK: mrs r1, iepsr16 ; CHECK: mrs r1, msp17 ; CHECK: mrs r1, psp18 ; CHECK: mrs r1, primask19 ; CHECK: mrs r1, control20 ; CHECK: mrs r1, msplim21 ; CHECK: mrs r1, psplim22 ; CHECK: mrs r1, msp_ns23 ; CHECK: mrs r1, psp_ns24 ; CHECK: mrs r1, primask_ns25 ; CHECK: mrs r1, control_ns26 ; CHECK: mrs r1, sp_ns27 28 %0 = call i32 @llvm.read_register.i32(metadata !0)29 %1 = call i32 @llvm.read_register.i32(metadata !4)30 %add1 = add i32 %1, %031 %2 = call i32 @llvm.read_register.i32(metadata !8)32 %add2 = add i32 %add1, %233 %3 = call i32 @llvm.read_register.i32(metadata !12)34 %add3 = add i32 %add2, %335 %4 = call i32 @llvm.read_register.i32(metadata !16)36 %add4 = add i32 %add3, %437 %5 = call i32 @llvm.read_register.i32(metadata !17)38 %add5 = add i32 %add4, %539 %6 = call i32 @llvm.read_register.i32(metadata !18)40 %add6 = add i32 %add5, %641 %7 = call i32 @llvm.read_register.i32(metadata !19)42 %add7 = add i32 %add6, %743 %8 = call i32 @llvm.read_register.i32(metadata !20)44 %add8 = add i32 %add7, %845 %9 = call i32 @llvm.read_register.i32(metadata !21)46 %add9 = add i32 %add8, %947 %10 = call i32 @llvm.read_register.i32(metadata !25)48 %add10 = add i32 %add9, %1049 %11 = call i32 @llvm.read_register.i32(metadata !26)50 %add11 = add i32 %add10, %1151 %12 = call i32 @llvm.read_register.i32(metadata !27)52 %add12 = add i32 %add11, %1253 %13 = call i32 @llvm.read_register.i32(metadata !28)54 %add13 = add i32 %add12, %1355 %14 = call i32 @llvm.read_register.i32(metadata !29)56 %add14 = add i32 %add13, %1457 %15 = call i32 @llvm.read_register.i32(metadata !32)58 %add15 = add i32 %add14, %1559 %16 = call i32 @llvm.read_register.i32(metadata !35)60 %add16 = add i32 %add15, %1661 %17 = call i32 @llvm.read_register.i32(metadata !36)62 %add17 = add i32 %add16, %1763 ret i32 %add1064}65 66define void @write_mclass_registers(i32 %x) nounwind {67entry:68 ; CHECK-LABEL: write_mclass_registers:69 ; CHECK: msr apsr, r070 ; CHECK: msr apsr, r071 ; CHECK: msr iapsr, r072 ; CHECK: msr iapsr, r073 ; CHECK: msr eapsr, r074 ; CHECK: msr eapsr, r075 ; CHECK: msr xpsr, r076 ; CHECK: msr xpsr, r077 ; CHECK: msr ipsr, r078 ; CHECK: msr epsr, r079 ; CHECK: msr iepsr, r080 ; CHECK: msr msp, r081 ; CHECK: msr psp, r082 ; CHECK: msr primask, r083 ; CHECK: msr control, r084 ; CHECK: msr msplim, r085 ; CHECK: msr psplim, r086 ; CHECK: msr msp_ns, r087 ; CHECK: msr psp_ns, r088 ; CHECK: msr primask_ns, r089 ; CHECK: msr control_ns, r090 ; CHECK: msr sp_ns, r091 92 call void @llvm.write_register.i32(metadata !0, i32 %x)93 call void @llvm.write_register.i32(metadata !1, i32 %x)94 call void @llvm.write_register.i32(metadata !4, i32 %x)95 call void @llvm.write_register.i32(metadata !5, i32 %x)96 call void @llvm.write_register.i32(metadata !8, i32 %x)97 call void @llvm.write_register.i32(metadata !9, 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 !16, i32 %x)101 call void @llvm.write_register.i32(metadata !17, i32 %x)102 call void @llvm.write_register.i32(metadata !18, i32 %x)103 call void @llvm.write_register.i32(metadata !19, i32 %x)104 call void @llvm.write_register.i32(metadata !20, i32 %x)105 call void @llvm.write_register.i32(metadata !21, i32 %x)106 call void @llvm.write_register.i32(metadata !25, i32 %x)107 call void @llvm.write_register.i32(metadata !26, i32 %x)108 call void @llvm.write_register.i32(metadata !27, i32 %x)109 call void @llvm.write_register.i32(metadata !28, i32 %x)110 call void @llvm.write_register.i32(metadata !29, i32 %x)111 call void @llvm.write_register.i32(metadata !32, i32 %x)112 call void @llvm.write_register.i32(metadata !35, i32 %x)113 call void @llvm.write_register.i32(metadata !36, i32 %x)114 ret void115}116 117declare i32 @llvm.read_register.i32(metadata) nounwind118declare void @llvm.write_register.i32(metadata, i32) nounwind119 120!0 = !{!"apsr"}121!1 = !{!"apsr_nzcvq"}122!4 = !{!"iapsr"}123!5 = !{!"iapsr_nzcvq"}124!8 = !{!"eapsr"}125!9 = !{!"eapsr_nzcvq"}126!12 = !{!"xpsr"}127!13 = !{!"xpsr_nzcvq"}128!16 = !{!"ipsr"}129!17 = !{!"epsr"}130!18 = !{!"iepsr"}131!19 = !{!"msp"}132!20 = !{!"psp"}133!21 = !{!"primask"}134!25 = !{!"control"}135!26 = !{!"msplim"}136!27 = !{!"psplim"}137!28 = !{!"msp_ns"}138!29 = !{!"psp_ns"}139!32 = !{!"primask_ns"}140!35 = !{!"control_ns"}141!36 = !{!"sp_ns"}142 143