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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc --mtriple=loongarch32 --mattr=+d < %s | FileCheck %s --check-prefix=LA32
; RUN: llc --mtriple=loongarch64 --mattr=+d < %s | FileCheck %s --check-prefix=LA64
;; Exercise the 'fsub' LLVM IR: https://llvm.org/docs/LangRef.html#fsub-instruction
define float @fsub_s(float %x, float %y) {
; LA32-LABEL: fsub_s:
; LA32: # %bb.0:
; LA32-NEXT: fsub.s $fa0, $fa0, $fa1
; LA32-NEXT: ret
;
; LA64-LABEL: fsub_s:
; LA64: # %bb.0:
; LA64-NEXT: fsub.s $fa0, $fa0, $fa1
; LA64-NEXT: ret
%sub = fsub float %x, %y
ret float %sub
}
define double @fsub_d(double %x, double %y) {
; LA32-LABEL: fsub_d:
; LA32: # %bb.0:
; LA32-NEXT: fsub.d $fa0, $fa0, $fa1
; LA32-NEXT: ret
;
; LA64-LABEL: fsub_d:
; LA64: # %bb.0:
; LA64-NEXT: fsub.d $fa0, $fa0, $fa1
; LA64-NEXT: ret
%sub = fsub double %x, %y
ret double %sub
}
define float @fneg_s(float %x) {
; LA32-LABEL: fneg_s:
; LA32: # %bb.0:
; LA32-NEXT: fneg.s $fa0, $fa0
; LA32-NEXT: ret
;
; LA64-LABEL: fneg_s:
; LA64: # %bb.0:
; LA64-NEXT: fneg.s $fa0, $fa0
; LA64-NEXT: ret
%res = fsub float -0.0, %x
ret float %res
}
define double @fneg_d(double %x) {
; LA32-LABEL: fneg_d:
; LA32: # %bb.0:
; LA32-NEXT: fneg.d $fa0, $fa0
; LA32-NEXT: ret
;
; LA64-LABEL: fneg_d:
; LA64: # %bb.0:
; LA64-NEXT: fneg.d $fa0, $fa0
; LA64-NEXT: ret
%res = fsub double -0.0, %x
ret double %res
}
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