third_party/llvm-7.0/llvm/test/CodeGen/RISCV/float-convert.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -mattr=+f -verify-machineinstrs < %s \
; RUN:   | FileCheck -check-prefix=RV32IF %s

define i32 @fcvt_w_s(float %a) nounwind {
; RV32IF-LABEL: fcvt_w_s:
; RV32IF:       # %bb.0:
; RV32IF-NEXT:    fmv.w.x ft0, a0
; RV32IF-NEXT:    fcvt.w.s a0, ft0, rtz
; RV32IF-NEXT:    ret
  %1 = fptosi float %a to i32
  ret i32 %1
}

define i32 @fcvt_wu_s(float %a) nounwind {
; RV32IF-LABEL: fcvt_wu_s:
; RV32IF:       # %bb.0:
; RV32IF-NEXT:    fmv.w.x ft0, a0
; RV32IF-NEXT:    fcvt.wu.s a0, ft0, rtz
; RV32IF-NEXT:    ret
  %1 = fptoui float %a to i32
  ret i32 %1
}

define i32 @fmv_x_w(float %a, float %b) nounwind {
; RV32IF-LABEL: fmv_x_w:
; RV32IF:       # %bb.0:
; RV32IF-NEXT:    fmv.w.x ft0, a1
; RV32IF-NEXT:    fmv.w.x ft1, a0
; RV32IF-NEXT:    fadd.s ft0, ft1, ft0
; RV32IF-NEXT:    fmv.x.w a0, ft0
; RV32IF-NEXT:    ret
; Ensure fmv.x.w is generated even for a soft float calling convention
  %1 = fadd float %a, %b
  %2 = bitcast float %1 to i32
  ret i32 %2
}

define float @fcvt_s_w(i32 %a) nounwind {
; RV32IF-LABEL: fcvt_s_w:
; RV32IF:       # %bb.0:
; RV32IF-NEXT:    fcvt.s.w ft0, a0
; RV32IF-NEXT:    fmv.x.w a0, ft0
; RV32IF-NEXT:    ret
  %1 = sitofp i32 %a to float
  ret float %1
}

define float @fcvt_s_wu(i32 %a) nounwind {
; RV32IF-LABEL: fcvt_s_wu:
; RV32IF:       # %bb.0:
; RV32IF-NEXT:    fcvt.s.wu ft0, a0
; RV32IF-NEXT:    fmv.x.w a0, ft0
; RV32IF-NEXT:    ret
  %1 = uitofp i32 %a to float
  ret float %1
}

define float @fmv_w_x(i32 %a, i32 %b) nounwind {
; RV32IF-LABEL: fmv_w_x:
; RV32IF:       # %bb.0:
; RV32IF-NEXT:    fmv.w.x ft0, a1
; RV32IF-NEXT:    fmv.w.x ft1, a0
; RV32IF-NEXT:    fadd.s ft0, ft1, ft0
; RV32IF-NEXT:    fmv.x.w a0, ft0
; RV32IF-NEXT:    ret
; Ensure fmv.w.x is generated even for a soft float calling convention
  %1 = bitcast i32 %a to float
  %2 = bitcast i32 %b to float
  %3 = fadd float %1, %2
  ret float %3
}