; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc --mtriple=loongarch32 --mattr=+f,+d --target-abi=ilp32d --verify-machineinstrs < %s \ ; RUN: | FileCheck --check-prefix=LA32 %s ; RUN: llc --mtriple=loongarch64 --mattr=+f,+d --target-abi=lp64d --verify-machineinstrs < %s \ ; RUN: | FileCheck --check-prefix=LA64 %s ;; These test that we can use architectural names ($f[0-9]*) refer to registers in ;; inline asm constraint lists. In each case, the named register should be used ;; for the source register of the `fabs.d`. It is very likely that `$fa0` will ;; be chosen as the designation register, but this is left to the compiler to ;; choose. ;; ;; Parenthesised registers in comments are the other aliases for this register. define double @register_f0(double %a) nounwind { ; LA32-LABEL: register_f0: ; LA32: # %bb.0: ; LA32-NEXT: #APP ; LA32-NEXT: fabs.d $fa0, $fa0 ; LA32-NEXT: #NO_APP ; LA32-NEXT: ret ; ; LA64-LABEL: register_f0: ; LA64: # %bb.0: ; LA64-NEXT: #APP ; LA64-NEXT: fabs.d $fa0, $fa0 ; LA64-NEXT: #NO_APP ; LA64-NEXT: ret %1 = tail call double asm "fabs.d $0, $1", "=f,{$f0}"(double %a) ret double %1 } ;; NOTE: This test uses `$f24` (`$fs0`) as an input, so it should be saved. define double @register_f24(double %a) nounwind { ; LA32-LABEL: register_f24: ; LA32: # %bb.0: ; LA32-NEXT: addi.w $sp, $sp, -16 ; LA32-NEXT: fst.d $fs0, $sp, 8 # 8-byte Folded Spill ; LA32-NEXT: fmov.d $fs0, $fa0 ; LA32-NEXT: #APP ; LA32-NEXT: fabs.d $fa0, $fs0 ; LA32-NEXT: #NO_APP ; LA32-NEXT: fld.d $fs0, $sp, 8 # 8-byte Folded Reload ; LA32-NEXT: addi.w $sp, $sp, 16 ; LA32-NEXT: ret ; ; LA64-LABEL: register_f24: ; LA64: # %bb.0: ; LA64-NEXT: addi.d $sp, $sp, -16 ; LA64-NEXT: fst.d $fs0, $sp, 8 # 8-byte Folded Spill ; LA64-NEXT: fmov.d $fs0, $fa0 ; LA64-NEXT: #APP ; LA64-NEXT: fabs.d $fa0, $fs0 ; LA64-NEXT: #NO_APP ; LA64-NEXT: fld.d $fs0, $sp, 8 # 8-byte Folded Reload ; LA64-NEXT: addi.d $sp, $sp, 16 ; LA64-NEXT: ret %1 = tail call double asm "fabs.d $0, $1", "=f,{$f24}"(double %a) ret double %1 } ;; NOTE: This test uses `$f31` (`$fs7`) as an input, so it should be saved. define double @register_f31(double %a) nounwind { ; LA32-LABEL: register_f31: ; LA32: # %bb.0: ; LA32-NEXT: addi.w $sp, $sp, -16 ; LA32-NEXT: fst.d $fs7, $sp, 8 # 8-byte Folded Spill ; LA32-NEXT: fmov.d $fs7, $fa0 ; LA32-NEXT: #APP ; LA32-NEXT: fabs.d $fa0, $fs7 ; LA32-NEXT: #NO_APP ; LA32-NEXT: fld.d $fs7, $sp, 8 # 8-byte Folded Reload ; LA32-NEXT: addi.w $sp, $sp, 16 ; LA32-NEXT: ret ; ; LA64-LABEL: register_f31: ; LA64: # %bb.0: ; LA64-NEXT: addi.d $sp, $sp, -16 ; LA64-NEXT: fst.d $fs7, $sp, 8 # 8-byte Folded Spill ; LA64-NEXT: fmov.d $fs7, $fa0 ; LA64-NEXT: #APP ; LA64-NEXT: fabs.d $fa0, $fs7 ; LA64-NEXT: #NO_APP ; LA64-NEXT: fld.d $fs7, $sp, 8 # 8-byte Folded Reload ; LA64-NEXT: addi.d $sp, $sp, 16 ; LA64-NEXT: ret %1 = tail call double asm "fabs.d $0, $1", "=f,{$f31}"(double %a) ret double %1 }