[LLVM - ARM/AArch64] Add ACLE special register intrinsics

[oota-llvm.git] / test / CodeGen / ARM / special-reg-mcore.ll

diff --git a/test/CodeGen/ARM/special-reg-mcore.ll b/test/CodeGen/ARM/special-reg-mcore.ll
new file mode 100644 (file)
index 0000000..686da0f
--- /dev/null
+++ b/test/CodeGen/ARM/special-reg-mcore.ll
@@ -0,0 +1,143 @@
+; RUN: llc < %s -mtriple=thumb-none-eabi -mcpu=cortex-m4 2>&1 | FileCheck %s --check-prefix=MCORE
+; RUN: not llc < %s -mtriple=thumb-none-eabi -mcpu=cortex-m3 2>&1 | FileCheck %s --check-prefix=M3CORE
+; RUN: not llc < %s -mtriple=arm-none-eabi -mcpu=cortex-a8 2>&1 | FileCheck %s --check-prefix=ACORE
+
+; ACORE: LLVM ERROR: Invalid register name "control".
+; M3CORE: LLVM ERROR: Invalid register name "control".
+
+define i32 @read_mclass_registers() nounwind {
+entry:
+  ; MCORE-LABEL: read_mclass_registers:
+  ; MCORE:   mrs r0, apsr
+  ; MCORE:   mrs r1, iapsr
+  ; MCORE:   mrs r1, eapsr
+  ; MCORE:   mrs r1, xpsr
+  ; MCORE:   mrs r1, ipsr
+  ; MCORE:   mrs r1, epsr
+  ; MCORE:   mrs r1, iepsr
+  ; MCORE:   mrs r1, msp
+  ; MCORE:   mrs r1, psp
+  ; MCORE:   mrs r1, primask
+  ; MCORE:   mrs r1, basepri
+  ; MCORE:   mrs r1, basepri_max
+  ; MCORE:   mrs r1, faultmask
+  ; MCORE:   mrs r1, control
+
+  %0 = call i32 @llvm.read_register.i32(metadata !0)
+  %1 = call i32 @llvm.read_register.i32(metadata !4)
+  %add1 = add i32 %1, %0
+  %2 = call i32 @llvm.read_register.i32(metadata !8)
+  %add2 = add i32 %add1, %2
+  %3 = call i32 @llvm.read_register.i32(metadata !12)
+  %add3 = add i32 %add2, %3
+  %4 = call i32 @llvm.read_register.i32(metadata !16)
+  %add4 = add i32 %add3, %4
+  %5 = call i32 @llvm.read_register.i32(metadata !17)
+  %add5 = add i32 %add4, %5
+  %6 = call i32 @llvm.read_register.i32(metadata !18)
+  %add6 = add i32 %add5, %6
+  %7 = call i32 @llvm.read_register.i32(metadata !19)
+  %add7 = add i32 %add6, %7
+  %8 = call i32 @llvm.read_register.i32(metadata !20)
+  %add8 = add i32 %add7, %8
+  %9 = call i32 @llvm.read_register.i32(metadata !21)
+  %add9 = add i32 %add8, %9
+  %10 = call i32 @llvm.read_register.i32(metadata !22)
+  %add10 = add i32 %add9, %10
+  %11 = call i32 @llvm.read_register.i32(metadata !23)
+  %add11 = add i32 %add10, %11
+  %12 = call i32 @llvm.read_register.i32(metadata !24)
+  %add12 = add i32 %add11, %12
+  %13 = call i32 @llvm.read_register.i32(metadata !25)
+  %add13 = add i32 %add12, %13
+  ret i32 %add13
+}
+
+define void @write_mclass_registers(i32 %x) nounwind {
+entry:
+  ; MCORE-LABEL: write_mclass_registers:
+  ; MCORE:   msr apsr_nzcvqg, r0
+  ; MCORE:   msr apsr_nzcvq, r0
+  ; MCORE:   msr apsr_g, r0
+  ; MCORE:   msr apsr_nzcvqg, r0
+  ; MCORE:   msr iapsr_nzcvqg, r0
+  ; MCORE:   msr iapsr_nzcvq, r0
+  ; MCORE:   msr iapsr_g, r0
+  ; MCORE:   msr iapsr_nzcvqg, r0
+  ; MCORE:   msr eapsr_nzcvqg, r0
+  ; MCORE:   msr eapsr_nzcvq, r0
+  ; MCORE:   msr eapsr_g, r0
+  ; MCORE:   msr eapsr_nzcvqg, r0
+  ; MCORE:   msr xpsr_nzcvqg, r0
+  ; MCORE:   msr xpsr_nzcvq, r0
+  ; MCORE:   msr xpsr_g, r0
+  ; MCORE:   msr xpsr_nzcvqg, r0
+  ; MCORE:   msr ipsr, r0
+  ; MCORE:   msr epsr, r0
+  ; MCORE:   msr iepsr, r0
+  ; MCORE:   msr msp, r0
+  ; MCORE:   msr psp, r0
+  ; MCORE:   msr primask, r0
+  ; MCORE:   msr basepri, r0
+  ; MCORE:   msr basepri_max, r0
+  ; MCORE:   msr faultmask, r0
+  ; MCORE:   msr control, r0
+
+  call void @llvm.write_register.i32(metadata !0, i32 %x)
+  call void @llvm.write_register.i32(metadata !1, i32 %x)
+  call void @llvm.write_register.i32(metadata !2, i32 %x)
+  call void @llvm.write_register.i32(metadata !3, i32 %x)
+  call void @llvm.write_register.i32(metadata !4, i32 %x)
+  call void @llvm.write_register.i32(metadata !5, i32 %x)
+  call void @llvm.write_register.i32(metadata !6, i32 %x)
+  call void @llvm.write_register.i32(metadata !7, i32 %x)
+  call void @llvm.write_register.i32(metadata !8, i32 %x)
+  call void @llvm.write_register.i32(metadata !9, i32 %x)
+  call void @llvm.write_register.i32(metadata !10, i32 %x)
+  call void @llvm.write_register.i32(metadata !11, i32 %x)
+  call void @llvm.write_register.i32(metadata !12, i32 %x)
+  call void @llvm.write_register.i32(metadata !13, i32 %x)
+  call void @llvm.write_register.i32(metadata !14, i32 %x)
+  call void @llvm.write_register.i32(metadata !15, i32 %x)
+  call void @llvm.write_register.i32(metadata !16, i32 %x)
+  call void @llvm.write_register.i32(metadata !17, i32 %x)
+  call void @llvm.write_register.i32(metadata !18, i32 %x)
+  call void @llvm.write_register.i32(metadata !19, i32 %x)
+  call void @llvm.write_register.i32(metadata !20, i32 %x)
+  call void @llvm.write_register.i32(metadata !21, i32 %x)
+  call void @llvm.write_register.i32(metadata !22, i32 %x)
+  call void @llvm.write_register.i32(metadata !23, i32 %x)
+  call void @llvm.write_register.i32(metadata !24, i32 %x)
+  call void @llvm.write_register.i32(metadata !25, i32 %x)
+  ret void
+}
+
+declare i32 @llvm.read_register.i32(metadata) nounwind
+declare void @llvm.write_register.i32(metadata, i32) nounwind
+
+!0 = !{!"apsr"}
+!1 = !{!"apsr_nzcvq"}
+!2 = !{!"apsr_g"}
+!3 = !{!"apsr_nzcvqg"}
+!4 = !{!"iapsr"}
+!5 = !{!"iapsr_nzcvq"}
+!6 = !{!"iapsr_g"}
+!7 = !{!"iapsr_nzcvqg"}
+!8 = !{!"eapsr"}
+!9 = !{!"eapsr_nzcvq"}
+!10 = !{!"eapsr_g"}
+!11 = !{!"eapsr_nzcvqg"}
+!12 = !{!"xpsr"}
+!13 = !{!"xpsr_nzcvq"}
+!14 = !{!"xpsr_g"}
+!15 = !{!"xpsr_nzcvqg"}
+!16 = !{!"ipsr"}
+!17 = !{!"epsr"}
+!18 = !{!"iepsr"}
+!19 = !{!"msp"}
+!20 = !{!"psp"}
+!21 = !{!"primask"}
+!22 = !{!"basepri"}
+!23 = !{!"basepri_max"}
+!24 = !{!"faultmask"}
+!25 = !{!"control"}