1 ; RUN: not llc < %s -mtriple=thumb-none-eabi -mcpu=cortex-m4 2>&1 | FileCheck %s --check-prefix=V7M 2 ; RUN: llc < %s -mtriple=thumbv8m.base-none-eabi 2>&1 | FileCheck %s 3 4 ; V7M: LLVM ERROR: Invalid register name "sp_ns". 5 6 define i32 @read_mclass_registers() nounwind { 7 entry: 8 ; CHECK-LABEL: read_mclass_registers: 9 ; CHECK: mrs r0, apsr 10 ; CHECK: mrs r1, iapsr 11 ; CHECK: mrs r1, eapsr 12 ; CHECK: mrs r1, xpsr 13 ; CHECK: mrs r1, ipsr 14 ; CHECK: mrs r1, epsr 15 ; CHECK: mrs r1, iepsr 16 ; CHECK: mrs r1, msp 17 ; CHECK: mrs r1, psp 18 ; CHECK: mrs r1, primask 19 ; CHECK: mrs r1, control 20 ; CHECK: mrs r1, msplim 21 ; CHECK: mrs r1, psplim 22 ; CHECK: mrs r1, msp_ns 23 ; CHECK: mrs r1, psp_ns 24 ; CHECK: mrs r1, primask_ns 25 ; CHECK: mrs r1, control_ns 26 ; CHECK: mrs r1, sp_ns 27 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, %0 31 %2 = call i32 @llvm.read_register.i32(metadata !8) 32 %add2 = add i32 %add1, %2 33 %3 = call i32 @llvm.read_register.i32(metadata !12) 34 %add3 = add i32 %add2, %3 35 %4 = call i32 @llvm.read_register.i32(metadata !16) 36 %add4 = add i32 %add3, %4 37 %5 = call i32 @llvm.read_register.i32(metadata !17) 38 %add5 = add i32 %add4, %5 39 %6 = call i32 @llvm.read_register.i32(metadata !18) 40 %add6 = add i32 %add5, %6 41 %7 = call i32 @llvm.read_register.i32(metadata !19) 42 %add7 = add i32 %add6, %7 43 %8 = call i32 @llvm.read_register.i32(metadata !20) 44 %add8 = add i32 %add7, %8 45 %9 = call i32 @llvm.read_register.i32(metadata !21) 46 %add9 = add i32 %add8, %9 47 %10 = call i32 @llvm.read_register.i32(metadata !25) 48 %add10 = add i32 %add9, %10 49 %11 = call i32 @llvm.read_register.i32(metadata !26) 50 %add11 = add i32 %add10, %11 51 %12 = call i32 @llvm.read_register.i32(metadata !27) 52 %add12 = add i32 %add11, %12 53 %13 = call i32 @llvm.read_register.i32(metadata !28) 54 %add13 = add i32 %add12, %13 55 %14 = call i32 @llvm.read_register.i32(metadata !29) 56 %add14 = add i32 %add13, %14 57 %15 = call i32 @llvm.read_register.i32(metadata !32) 58 %add15 = add i32 %add14, %15 59 %16 = call i32 @llvm.read_register.i32(metadata !35) 60 %add16 = add i32 %add15, %16 61 %17 = call i32 @llvm.read_register.i32(metadata !36) 62 %add17 = add i32 %add16, %17 63 ret i32 %add10 64 } 65 66 define void @write_mclass_registers(i32 %x) nounwind { 67 entry: 68 ; CHECK-LABEL: write_mclass_registers: 69 ; CHECK: msr apsr, r0 70 ; CHECK: msr apsr, r0 71 ; CHECK: msr iapsr, r0 72 ; CHECK: msr iapsr, r0 73 ; CHECK: msr eapsr, r0 74 ; CHECK: msr eapsr, r0 75 ; CHECK: msr xpsr, r0 76 ; CHECK: msr xpsr, r0 77 ; CHECK: msr ipsr, r0 78 ; CHECK: msr epsr, r0 79 ; CHECK: msr iepsr, r0 80 ; CHECK: msr msp, r0 81 ; CHECK: msr psp, r0 82 ; CHECK: msr primask, r0 83 ; CHECK: msr control, r0 84 ; CHECK: msr msplim, r0 85 ; CHECK: msr psplim, r0 86 ; CHECK: msr msp_ns, r0 87 ; CHECK: msr psp_ns, r0 88 ; CHECK: msr primask_ns, r0 89 ; CHECK: msr control_ns, r0 90 ; CHECK: msr sp_ns, r0 91 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 void 115 } 116 117 declare i32 @llvm.read_register.i32(metadata) nounwind 118 declare void @llvm.write_register.i32(metadata, i32) nounwind 119 120 !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
