143 lines
4.8 KiB
LLVM
143 lines
4.8 KiB
LLVM
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; RUN: not --crash llc < %s -mtriple=thumb-none-eabi -mcpu=cortex-m4 2>&1 | FileCheck %s --check-prefix=V7M
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; RUN: llc < %s -mtriple=thumbv8m.base-none-eabi 2>&1 | FileCheck %s
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; V7M: LLVM ERROR: Invalid register name "sp_ns".
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define i32 @read_mclass_registers() nounwind {
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entry:
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; CHECK-LABEL: read_mclass_registers:
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; CHECK: mrs r0, apsr
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; CHECK: mrs r1, iapsr
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; CHECK: mrs r1, eapsr
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; CHECK: mrs r1, xpsr
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; CHECK: mrs r1, ipsr
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; CHECK: mrs r1, epsr
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; CHECK: mrs r1, iepsr
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; CHECK: mrs r1, msp
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; CHECK: mrs r1, psp
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; CHECK: mrs r1, primask
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; CHECK: mrs r1, control
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; CHECK: mrs r1, msplim
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; CHECK: mrs r1, psplim
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; CHECK: mrs r1, msp_ns
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; CHECK: mrs r1, psp_ns
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; CHECK: mrs r1, primask_ns
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; CHECK: mrs r1, control_ns
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; CHECK: mrs r1, sp_ns
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%0 = call i32 @llvm.read_register.i32(metadata !0)
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%1 = call i32 @llvm.read_register.i32(metadata !4)
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%add1 = add i32 %1, %0
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%2 = call i32 @llvm.read_register.i32(metadata !8)
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%add2 = add i32 %add1, %2
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%3 = call i32 @llvm.read_register.i32(metadata !12)
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%add3 = add i32 %add2, %3
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%4 = call i32 @llvm.read_register.i32(metadata !16)
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%add4 = add i32 %add3, %4
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%5 = call i32 @llvm.read_register.i32(metadata !17)
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%add5 = add i32 %add4, %5
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%6 = call i32 @llvm.read_register.i32(metadata !18)
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%add6 = add i32 %add5, %6
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%7 = call i32 @llvm.read_register.i32(metadata !19)
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%add7 = add i32 %add6, %7
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%8 = call i32 @llvm.read_register.i32(metadata !20)
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%add8 = add i32 %add7, %8
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%9 = call i32 @llvm.read_register.i32(metadata !21)
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%add9 = add i32 %add8, %9
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%10 = call i32 @llvm.read_register.i32(metadata !25)
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%add10 = add i32 %add9, %10
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%11 = call i32 @llvm.read_register.i32(metadata !26)
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%add11 = add i32 %add10, %11
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%12 = call i32 @llvm.read_register.i32(metadata !27)
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%add12 = add i32 %add11, %12
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%13 = call i32 @llvm.read_register.i32(metadata !28)
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%add13 = add i32 %add12, %13
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%14 = call i32 @llvm.read_register.i32(metadata !29)
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%add14 = add i32 %add13, %14
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%15 = call i32 @llvm.read_register.i32(metadata !32)
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%add15 = add i32 %add14, %15
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%16 = call i32 @llvm.read_register.i32(metadata !35)
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%add16 = add i32 %add15, %16
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%17 = call i32 @llvm.read_register.i32(metadata !36)
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%add17 = add i32 %add16, %17
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ret i32 %add10
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}
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define void @write_mclass_registers(i32 %x) nounwind {
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entry:
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; CHECK-LABEL: write_mclass_registers:
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; CHECK: msr apsr, r0
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; CHECK: msr apsr, r0
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; CHECK: msr iapsr, r0
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; CHECK: msr iapsr, r0
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; CHECK: msr eapsr, r0
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; CHECK: msr eapsr, r0
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; CHECK: msr xpsr, r0
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; CHECK: msr xpsr, r0
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; CHECK: msr ipsr, r0
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; CHECK: msr epsr, r0
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; CHECK: msr iepsr, r0
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; CHECK: msr msp, r0
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; CHECK: msr psp, r0
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; CHECK: msr primask, r0
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; CHECK: msr control, r0
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; CHECK: msr msplim, r0
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; CHECK: msr psplim, r0
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; CHECK: msr msp_ns, r0
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; CHECK: msr psp_ns, r0
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; CHECK: msr primask_ns, r0
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; CHECK: msr control_ns, r0
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; CHECK: msr sp_ns, r0
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call void @llvm.write_register.i32(metadata !0, i32 %x)
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call void @llvm.write_register.i32(metadata !1, i32 %x)
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call void @llvm.write_register.i32(metadata !4, i32 %x)
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call void @llvm.write_register.i32(metadata !5, i32 %x)
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call void @llvm.write_register.i32(metadata !8, i32 %x)
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call void @llvm.write_register.i32(metadata !9, i32 %x)
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call void @llvm.write_register.i32(metadata !12, i32 %x)
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call void @llvm.write_register.i32(metadata !13, i32 %x)
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call void @llvm.write_register.i32(metadata !16, i32 %x)
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call void @llvm.write_register.i32(metadata !17, i32 %x)
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call void @llvm.write_register.i32(metadata !18, i32 %x)
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call void @llvm.write_register.i32(metadata !19, i32 %x)
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call void @llvm.write_register.i32(metadata !20, i32 %x)
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call void @llvm.write_register.i32(metadata !21, i32 %x)
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call void @llvm.write_register.i32(metadata !25, i32 %x)
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call void @llvm.write_register.i32(metadata !26, i32 %x)
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call void @llvm.write_register.i32(metadata !27, i32 %x)
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call void @llvm.write_register.i32(metadata !28, i32 %x)
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call void @llvm.write_register.i32(metadata !29, i32 %x)
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call void @llvm.write_register.i32(metadata !32, i32 %x)
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call void @llvm.write_register.i32(metadata !35, i32 %x)
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call void @llvm.write_register.i32(metadata !36, i32 %x)
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ret void
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}
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declare i32 @llvm.read_register.i32(metadata) nounwind
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declare void @llvm.write_register.i32(metadata, i32) nounwind
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!0 = !{!"apsr"}
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!1 = !{!"apsr_nzcvq"}
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!4 = !{!"iapsr"}
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!5 = !{!"iapsr_nzcvq"}
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!8 = !{!"eapsr"}
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!9 = !{!"eapsr_nzcvq"}
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!12 = !{!"xpsr"}
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!13 = !{!"xpsr_nzcvq"}
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!16 = !{!"ipsr"}
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!17 = !{!"epsr"}
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!18 = !{!"iepsr"}
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!19 = !{!"msp"}
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!20 = !{!"psp"}
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!21 = !{!"primask"}
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!25 = !{!"control"}
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!26 = !{!"msplim"}
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!27 = !{!"psplim"}
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!28 = !{!"msp_ns"}
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!29 = !{!"psp_ns"}
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!32 = !{!"primask_ns"}
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!35 = !{!"control_ns"}
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!36 = !{!"sp_ns"}
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