llvm/test/CodeGen/RISCV/double-convert.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -mattr=+d -verify-machineinstrs < %s \
; RUN:   | FileCheck -check-prefix=RV32IFD %s
; RUN: llc -mtriple=riscv64 -mattr=+d -verify-machineinstrs < %s \
; RUN:   | FileCheck -check-prefix=RV64IFD %s

define float @fcvt_s_d(double %a) nounwind {
; RV32IFD-LABEL: fcvt_s_d:
; RV32IFD:       # %bb.0:
; RV32IFD-NEXT:    addi sp, sp, -16
; RV32IFD-NEXT:    sw a0, 8(sp)
; RV32IFD-NEXT:    sw a1, 12(sp)
; RV32IFD-NEXT:    fld ft0, 8(sp)
; RV32IFD-NEXT:    fcvt.s.d ft0, ft0
; RV32IFD-NEXT:    fmv.x.w a0, ft0
; RV32IFD-NEXT:    addi sp, sp, 16
; RV32IFD-NEXT:    ret
;
; RV64IFD-LABEL: fcvt_s_d:
; RV64IFD:       # %bb.0:
; RV64IFD-NEXT:    fmv.d.x ft0, a0
; RV64IFD-NEXT:    fcvt.s.d ft0, ft0
; RV64IFD-NEXT:    fmv.x.w a0, ft0
; RV64IFD-NEXT:    ret
  %1 = fptrunc double %a to float
  ret float %1
}

define double @fcvt_d_s(float %a) nounwind {
; RV32IFD-LABEL: fcvt_d_s:
; RV32IFD:       # %bb.0:
; RV32IFD-NEXT:    addi sp, sp, -16
; RV32IFD-NEXT:    fmv.w.x ft0, a0
; RV32IFD-NEXT:    fcvt.d.s ft0, ft0
; RV32IFD-NEXT:    fsd ft0, 8(sp)
; RV32IFD-NEXT:    lw a0, 8(sp)
; RV32IFD-NEXT:    lw a1, 12(sp)
; RV32IFD-NEXT:    addi sp, sp, 16
; RV32IFD-NEXT:    ret
;
; RV64IFD-LABEL: fcvt_d_s:
; RV64IFD:       # %bb.0:
; RV64IFD-NEXT:    fmv.w.x ft0, a0
; RV64IFD-NEXT:    fcvt.d.s ft0, ft0
; RV64IFD-NEXT:    fmv.x.d a0, ft0
; RV64IFD-NEXT:    ret
  %1 = fpext float %a to double
  ret double %1
}

; For RV64D, fcvt.l.d is semantically equivalent to fcvt.w.d in this case
; because fptosi will produce poison if the result doesn't fit into an i32.
define i32 @fcvt_w_d(double %a) nounwind {
; RV32IFD-LABEL: fcvt_w_d:
; RV32IFD:       # %bb.0:
; RV32IFD-NEXT:    addi sp, sp, -16
; RV32IFD-NEXT:    sw a0, 8(sp)
; RV32IFD-NEXT:    sw a1, 12(sp)
; RV32IFD-NEXT:    fld ft0, 8(sp)
; RV32IFD-NEXT:    fcvt.w.d a0, ft0, rtz
; RV32IFD-NEXT:    addi sp, sp, 16
; RV32IFD-NEXT:    ret
;
; RV64IFD-LABEL: fcvt_w_d:
; RV64IFD:       # %bb.0:
; RV64IFD-NEXT:    fmv.d.x ft0, a0
; RV64IFD-NEXT:    fcvt.l.d a0, ft0, rtz
; RV64IFD-NEXT:    ret
  %1 = fptosi double %a to i32
  ret i32 %1
}

define i32 @fcvt_w_d_sat(double %a) nounwind {
; RV32IFD-LABEL: fcvt_w_d_sat:
; RV32IFD:       # %bb.0: # %start
; RV32IFD-NEXT:    addi sp, sp, -16
; RV32IFD-NEXT:    sw a0, 8(sp)
; RV32IFD-NEXT:    sw a1, 12(sp)
; RV32IFD-NEXT:    fld ft0, 8(sp)
; RV32IFD-NEXT:    feq.d a0, ft0, ft0
; RV32IFD-NEXT:    bnez a0, .LBB3_2
; RV32IFD-NEXT:  # %bb.1: # %start
; RV32IFD-NEXT:    mv a0, zero
; RV32IFD-NEXT:    addi sp, sp, 16
; RV32IFD-NEXT:    ret
; RV32IFD-NEXT:  .LBB3_2:
; RV32IFD-NEXT:    lui a0, %hi(.LCPI3_0)
; RV32IFD-NEXT:    fld ft1, %lo(.LCPI3_0)(a0)
; RV32IFD-NEXT:    lui a0, %hi(.LCPI3_1)
; RV32IFD-NEXT:    fld ft2, %lo(.LCPI3_1)(a0)
; RV32IFD-NEXT:    fmax.d ft0, ft0, ft1
; RV32IFD-NEXT:    fmin.d ft0, ft0, ft2
; RV32IFD-NEXT:    fcvt.w.d a0, ft0, rtz
; RV32IFD-NEXT:    addi sp, sp, 16
; RV32IFD-NEXT:    ret
;
; RV64IFD-LABEL: fcvt_w_d_sat:
; RV64IFD:       # %bb.0: # %start
; RV64IFD-NEXT:    fmv.d.x ft0, a0
; RV64IFD-NEXT:    feq.d a0, ft0, ft0
; RV64IFD-NEXT:    bnez a0, .LBB3_2
; RV64IFD-NEXT:  # %bb.1: # %start
; RV64IFD-NEXT:    mv a0, zero
; RV64IFD-NEXT:    ret
; RV64IFD-NEXT:  .LBB3_2:
; RV64IFD-NEXT:    lui a0, %hi(.LCPI3_0)
; RV64IFD-NEXT:    fld ft1, %lo(.LCPI3_0)(a0)
; RV64IFD-NEXT:    lui a0, %hi(.LCPI3_1)
; RV64IFD-NEXT:    fld ft2, %lo(.LCPI3_1)(a0)
; RV64IFD-NEXT:    fmax.d ft0, ft0, ft1
; RV64IFD-NEXT:    fmin.d ft0, ft0, ft2
; RV64IFD-NEXT:    fcvt.l.d a0, ft0, rtz
; RV64IFD-NEXT:    ret
start:
  %0 = tail call i32 @llvm.fptosi.sat.i32.f64(double %a)
  ret i32 %0
}
declare i32 @llvm.fptosi.sat.i32.f64(double)

; For RV64D, fcvt.lu.d is semantically equivalent to fcvt.wu.d in this case
; because fptosi will produce poison if the result doesn't fit into an i32.
define i32 @fcvt_wu_d(double %a) nounwind {
; RV32IFD-LABEL: fcvt_wu_d:
; RV32IFD:       # %bb.0:
; RV32IFD-NEXT:    addi sp, sp, -16
; RV32IFD-NEXT:    sw a0, 8(sp)
; RV32IFD-NEXT:    sw a1, 12(sp)
; RV32IFD-NEXT:    fld ft0, 8(sp)
; RV32IFD-NEXT:    fcvt.wu.d a0, ft0, rtz
; RV32IFD-NEXT:    addi sp, sp, 16
; RV32IFD-NEXT:    ret
;
; RV64IFD-LABEL: fcvt_wu_d:
; RV64IFD:       # %bb.0:
; RV64IFD-NEXT:    fmv.d.x ft0, a0
; RV64IFD-NEXT:    fcvt.lu.d a0, ft0, rtz
; RV64IFD-NEXT:    ret
  %1 = fptoui double %a to i32
  ret i32 %1
}

define i32 @fcvt_wu_d_sat(double %a) nounwind {
; RV32IFD-LABEL: fcvt_wu_d_sat:
; RV32IFD:       # %bb.0: # %start
; RV32IFD-NEXT:    addi sp, sp, -16
; RV32IFD-NEXT:    sw a0, 8(sp)
; RV32IFD-NEXT:    sw a1, 12(sp)
; RV32IFD-NEXT:    fld ft0, 8(sp)
; RV32IFD-NEXT:    lui a0, %hi(.LCPI5_0)
; RV32IFD-NEXT:    fld ft1, %lo(.LCPI5_0)(a0)
; RV32IFD-NEXT:    fcvt.d.w ft2, zero
; RV32IFD-NEXT:    fmax.d ft0, ft0, ft2
; RV32IFD-NEXT:    fmin.d ft0, ft0, ft1
; RV32IFD-NEXT:    fcvt.wu.d a0, ft0, rtz
; RV32IFD-NEXT:    addi sp, sp, 16
; RV32IFD-NEXT:    ret
;
; RV64IFD-LABEL: fcvt_wu_d_sat:
; RV64IFD:       # %bb.0: # %start
; RV64IFD-NEXT:    lui a1, %hi(.LCPI5_0)
; RV64IFD-NEXT:    fld ft0, %lo(.LCPI5_0)(a1)
; RV64IFD-NEXT:    fmv.d.x ft1, a0
; RV64IFD-NEXT:    fmv.d.x ft2, zero
; RV64IFD-NEXT:    fmax.d ft1, ft1, ft2
; RV64IFD-NEXT:    fmin.d ft0, ft1, ft0
; RV64IFD-NEXT:    fcvt.lu.d a0, ft0, rtz
; RV64IFD-NEXT:    ret
start:
  %0 = tail call i32 @llvm.fptoui.sat.i32.f64(double %a)
  ret i32 %0
}
declare i32 @llvm.fptoui.sat.i32.f64(double)

define double @fcvt_d_w(i32 %a) nounwind {
; RV32IFD-LABEL: fcvt_d_w:
; RV32IFD:       # %bb.0:
; RV32IFD-NEXT:    addi sp, sp, -16
; RV32IFD-NEXT:    fcvt.d.w ft0, a0
; RV32IFD-NEXT:    fsd ft0, 8(sp)
; RV32IFD-NEXT:    lw a0, 8(sp)
; RV32IFD-NEXT:    lw a1, 12(sp)
; RV32IFD-NEXT:    addi sp, sp, 16
; RV32IFD-NEXT:    ret
;
; RV64IFD-LABEL: fcvt_d_w:
; RV64IFD:       # %bb.0:
; RV64IFD-NEXT:    fcvt.d.w ft0, a0
; RV64IFD-NEXT:    fmv.x.d a0, ft0
; RV64IFD-NEXT:    ret
  %1 = sitofp i32 %a to double
  ret double %1
}

define double @fcvt_d_wu(i32 %a) nounwind {
; RV32IFD-LABEL: fcvt_d_wu:
; RV32IFD:       # %bb.0:
; RV32IFD-NEXT:    addi sp, sp, -16
; RV32IFD-NEXT:    fcvt.d.wu ft0, a0
; RV32IFD-NEXT:    fsd ft0, 8(sp)
; RV32IFD-NEXT:    lw a0, 8(sp)
; RV32IFD-NEXT:    lw a1, 12(sp)
; RV32IFD-NEXT:    addi sp, sp, 16
; RV32IFD-NEXT:    ret
;
; RV64IFD-LABEL: fcvt_d_wu:
; RV64IFD:       # %bb.0:
; RV64IFD-NEXT:    fcvt.d.wu ft0, a0
; RV64IFD-NEXT:    fmv.x.d a0, ft0
; RV64IFD-NEXT:    ret
  %1 = uitofp i32 %a to double
  ret double %1
}

define i64 @fcvt_l_d(double %a) nounwind {
; RV32IFD-LABEL: fcvt_l_d:
; RV32IFD:       # %bb.0:
; RV32IFD-NEXT:    addi sp, sp, -16
; RV32IFD-NEXT:    sw ra, 12(sp) # 4-byte Folded Spill
; RV32IFD-NEXT:    call __fixdfdi@plt
; RV32IFD-NEXT:    lw ra, 12(sp) # 4-byte Folded Reload
; RV32IFD-NEXT:    addi sp, sp, 16
; RV32IFD-NEXT:    ret
;
; RV64IFD-LABEL: fcvt_l_d:
; RV64IFD:       # %bb.0:
; RV64IFD-NEXT:    fmv.d.x ft0, a0
; RV64IFD-NEXT:    fcvt.l.d a0, ft0, rtz
; RV64IFD-NEXT:    ret
  %1 = fptosi double %a to i64
  ret i64 %1
}

define i64 @fcvt_l_d_sat(double %a) nounwind {
; RV32IFD-LABEL: fcvt_l_d_sat:
; RV32IFD:       # %bb.0: # %start
; RV32IFD-NEXT:    addi sp, sp, -32
; RV32IFD-NEXT:    sw ra, 28(sp) # 4-byte Folded Spill
; RV32IFD-NEXT:    sw a0, 16(sp)
; RV32IFD-NEXT:    sw a1, 20(sp)
; RV32IFD-NEXT:    fld ft0, 16(sp)
; RV32IFD-NEXT:    fsd ft0, 8(sp) # 8-byte Folded Spill
; RV32IFD-NEXT:    call __fixdfdi@plt
; RV32IFD-NEXT:    fld ft1, 8(sp) # 8-byte Folded Reload
; RV32IFD-NEXT:    lui a2, %hi(.LCPI9_0)
; RV32IFD-NEXT:    fld ft0, %lo(.LCPI9_0)(a2)
; RV32IFD-NEXT:    fle.d a3, ft0, ft1
; RV32IFD-NEXT:    mv a2, a0
; RV32IFD-NEXT:    bnez a3, .LBB9_2
; RV32IFD-NEXT:  # %bb.1: # %start
; RV32IFD-NEXT:    mv a2, zero
; RV32IFD-NEXT:  .LBB9_2: # %start
; RV32IFD-NEXT:    lui a0, %hi(.LCPI9_1)
; RV32IFD-NEXT:    fld ft0, %lo(.LCPI9_1)(a0)
; RV32IFD-NEXT:    flt.d a4, ft0, ft1
; RV32IFD-NEXT:    addi a0, zero, -1
; RV32IFD-NEXT:    beqz a4, .LBB9_9
; RV32IFD-NEXT:  # %bb.3: # %start
; RV32IFD-NEXT:    feq.d a2, ft1, ft1
; RV32IFD-NEXT:    beqz a2, .LBB9_10
; RV32IFD-NEXT:  .LBB9_4: # %start
; RV32IFD-NEXT:    lui a5, 524288
; RV32IFD-NEXT:    beqz a3, .LBB9_11
; RV32IFD-NEXT:  .LBB9_5: # %start
; RV32IFD-NEXT:    bnez a4, .LBB9_12
; RV32IFD-NEXT:  .LBB9_6: # %start
; RV32IFD-NEXT:    bnez a2, .LBB9_8
; RV32IFD-NEXT:  .LBB9_7: # %start
; RV32IFD-NEXT:    mv a1, zero
; RV32IFD-NEXT:  .LBB9_8: # %start
; RV32IFD-NEXT:    lw ra, 28(sp) # 4-byte Folded Reload
; RV32IFD-NEXT:    addi sp, sp, 32
; RV32IFD-NEXT:    ret
; RV32IFD-NEXT:  .LBB9_9: # %start
; RV32IFD-NEXT:    mv a0, a2
; RV32IFD-NEXT:    feq.d a2, ft1, ft1
; RV32IFD-NEXT:    bnez a2, .LBB9_4
; RV32IFD-NEXT:  .LBB9_10: # %start
; RV32IFD-NEXT:    mv a0, zero
; RV32IFD-NEXT:    lui a5, 524288
; RV32IFD-NEXT:    bnez a3, .LBB9_5
; RV32IFD-NEXT:  .LBB9_11: # %start
; RV32IFD-NEXT:    lui a1, 524288
; RV32IFD-NEXT:    beqz a4, .LBB9_6
; RV32IFD-NEXT:  .LBB9_12:
; RV32IFD-NEXT:    addi a1, a5, -1
; RV32IFD-NEXT:    beqz a2, .LBB9_7
; RV32IFD-NEXT:    j .LBB9_8
;
; RV64IFD-LABEL: fcvt_l_d_sat:
; RV64IFD:       # %bb.0: # %start
; RV64IFD-NEXT:    lui a1, %hi(.LCPI9_0)
; RV64IFD-NEXT:    fld ft1, %lo(.LCPI9_0)(a1)
; RV64IFD-NEXT:    fmv.d.x ft0, a0
; RV64IFD-NEXT:    fle.d a0, ft1, ft0
; RV64IFD-NEXT:    addi a1, zero, -1
; RV64IFD-NEXT:    bnez a0, .LBB9_2
; RV64IFD-NEXT:  # %bb.1: # %start
; RV64IFD-NEXT:    slli a0, a1, 63
; RV64IFD-NEXT:    j .LBB9_3
; RV64IFD-NEXT:  .LBB9_2:
; RV64IFD-NEXT:    fcvt.l.d a0, ft0, rtz
; RV64IFD-NEXT:  .LBB9_3: # %start
; RV64IFD-NEXT:    lui a2, %hi(.LCPI9_1)
; RV64IFD-NEXT:    fld ft1, %lo(.LCPI9_1)(a2)
; RV64IFD-NEXT:    flt.d a2, ft1, ft0
; RV64IFD-NEXT:    bnez a2, .LBB9_6
; RV64IFD-NEXT:  # %bb.4: # %start
; RV64IFD-NEXT:    feq.d a1, ft0, ft0
; RV64IFD-NEXT:    beqz a1, .LBB9_7
; RV64IFD-NEXT:  .LBB9_5: # %start
; RV64IFD-NEXT:    ret
; RV64IFD-NEXT:  .LBB9_6:
; RV64IFD-NEXT:    srli a0, a1, 1
; RV64IFD-NEXT:    feq.d a1, ft0, ft0
; RV64IFD-NEXT:    bnez a1, .LBB9_5
; RV64IFD-NEXT:  .LBB9_7: # %start
; RV64IFD-NEXT:    mv a0, zero
; RV64IFD-NEXT:    ret
start:
  %0 = tail call i64 @llvm.fptosi.sat.i64.f64(double %a)
  ret i64 %0
}
declare i64 @llvm.fptosi.sat.i64.f64(double)

define i64 @fcvt_lu_d(double %a) nounwind {
; RV32IFD-LABEL: fcvt_lu_d:
; RV32IFD:       # %bb.0:
; RV32IFD-NEXT:    addi sp, sp, -16
; RV32IFD-NEXT:    sw ra, 12(sp) # 4-byte Folded Spill
; RV32IFD-NEXT:    call __fixunsdfdi@plt
; RV32IFD-NEXT:    lw ra, 12(sp) # 4-byte Folded Reload
; RV32IFD-NEXT:    addi sp, sp, 16
; RV32IFD-NEXT:    ret
;
; RV64IFD-LABEL: fcvt_lu_d:
; RV64IFD:       # %bb.0:
; RV64IFD-NEXT:    fmv.d.x ft0, a0
; RV64IFD-NEXT:    fcvt.lu.d a0, ft0, rtz
; RV64IFD-NEXT:    ret
  %1 = fptoui double %a to i64
  ret i64 %1
}

define i64 @fcvt_lu_d_sat(double %a) nounwind {
; RV32IFD-LABEL: fcvt_lu_d_sat:
; RV32IFD:       # %bb.0: # %start
; RV32IFD-NEXT:    addi sp, sp, -32
; RV32IFD-NEXT:    sw ra, 28(sp) # 4-byte Folded Spill
; RV32IFD-NEXT:    sw a0, 16(sp)
; RV32IFD-NEXT:    sw a1, 20(sp)
; RV32IFD-NEXT:    fld ft0, 16(sp)
; RV32IFD-NEXT:    fsd ft0, 8(sp) # 8-byte Folded Spill
; RV32IFD-NEXT:    call __fixunsdfdi@plt
; RV32IFD-NEXT:    fld ft1, 8(sp) # 8-byte Folded Reload
; RV32IFD-NEXT:    fcvt.d.w ft0, zero
; RV32IFD-NEXT:    fle.d a4, ft0, ft1
; RV32IFD-NEXT:    mv a3, a0
; RV32IFD-NEXT:    bnez a4, .LBB11_2
; RV32IFD-NEXT:  # %bb.1: # %start
; RV32IFD-NEXT:    mv a3, zero
; RV32IFD-NEXT:  .LBB11_2: # %start
; RV32IFD-NEXT:    lui a0, %hi(.LCPI11_0)
; RV32IFD-NEXT:    fld ft0, %lo(.LCPI11_0)(a0)
; RV32IFD-NEXT:    flt.d a5, ft0, ft1
; RV32IFD-NEXT:    addi a2, zero, -1
; RV32IFD-NEXT:    addi a0, zero, -1
; RV32IFD-NEXT:    beqz a5, .LBB11_7
; RV32IFD-NEXT:  # %bb.3: # %start
; RV32IFD-NEXT:    beqz a4, .LBB11_8
; RV32IFD-NEXT:  .LBB11_4: # %start
; RV32IFD-NEXT:    bnez a5, .LBB11_6
; RV32IFD-NEXT:  .LBB11_5: # %start
; RV32IFD-NEXT:    mv a2, a1
; RV32IFD-NEXT:  .LBB11_6: # %start
; RV32IFD-NEXT:    mv a1, a2
; RV32IFD-NEXT:    lw ra, 28(sp) # 4-byte Folded Reload
; RV32IFD-NEXT:    addi sp, sp, 32
; RV32IFD-NEXT:    ret
; RV32IFD-NEXT:  .LBB11_7: # %start
; RV32IFD-NEXT:    mv a0, a3
; RV32IFD-NEXT:    bnez a4, .LBB11_4
; RV32IFD-NEXT:  .LBB11_8: # %start
; RV32IFD-NEXT:    mv a1, zero
; RV32IFD-NEXT:    beqz a5, .LBB11_5
; RV32IFD-NEXT:    j .LBB11_6
;
; RV64IFD-LABEL: fcvt_lu_d_sat:
; RV64IFD:       # %bb.0: # %start
; RV64IFD-NEXT:    fmv.d.x ft0, a0
; RV64IFD-NEXT:    fmv.d.x ft1, zero
; RV64IFD-NEXT:    fle.d a0, ft1, ft0
; RV64IFD-NEXT:    bnez a0, .LBB11_2
; RV64IFD-NEXT:  # %bb.1: # %start
; RV64IFD-NEXT:    mv a1, zero
; RV64IFD-NEXT:    j .LBB11_3
; RV64IFD-NEXT:  .LBB11_2:
; RV64IFD-NEXT:    fcvt.lu.d a1, ft0, rtz
; RV64IFD-NEXT:  .LBB11_3: # %start
; RV64IFD-NEXT:    lui a0, %hi(.LCPI11_0)
; RV64IFD-NEXT:    fld ft1, %lo(.LCPI11_0)(a0)
; RV64IFD-NEXT:    flt.d a2, ft1, ft0
; RV64IFD-NEXT:    addi a0, zero, -1
; RV64IFD-NEXT:    bnez a2, .LBB11_5
; RV64IFD-NEXT:  # %bb.4: # %start
; RV64IFD-NEXT:    mv a0, a1
; RV64IFD-NEXT:  .LBB11_5: # %start
; RV64IFD-NEXT:    ret
start:
  %0 = tail call i64 @llvm.fptoui.sat.i64.f64(double %a)
  ret i64 %0
}
declare i64 @llvm.fptoui.sat.i64.f64(double)

define i64 @fmv_x_d(double %a, double %b) nounwind {
; RV32IFD-LABEL: fmv_x_d:
; RV32IFD:       # %bb.0:
; RV32IFD-NEXT:    addi sp, sp, -16
; RV32IFD-NEXT:    sw a2, 0(sp)
; RV32IFD-NEXT:    sw a3, 4(sp)
; RV32IFD-NEXT:    fld ft0, 0(sp)
; RV32IFD-NEXT:    sw a0, 0(sp)
; RV32IFD-NEXT:    sw a1, 4(sp)
; RV32IFD-NEXT:    fld ft1, 0(sp)
; RV32IFD-NEXT:    fadd.d ft0, ft1, ft0
; RV32IFD-NEXT:    fsd ft0, 8(sp)
; RV32IFD-NEXT:    lw a0, 8(sp)
; RV32IFD-NEXT:    lw a1, 12(sp)
; RV32IFD-NEXT:    addi sp, sp, 16
; RV32IFD-NEXT:    ret
;
; RV64IFD-LABEL: fmv_x_d:
; RV64IFD:       # %bb.0:
; RV64IFD-NEXT:    fmv.d.x ft0, a1
; RV64IFD-NEXT:    fmv.d.x ft1, a0
; RV64IFD-NEXT:    fadd.d ft0, ft1, ft0
; RV64IFD-NEXT:    fmv.x.d a0, ft0
; RV64IFD-NEXT:    ret
  %1 = fadd double %a, %b
  %2 = bitcast double %1 to i64
  ret i64 %2
}

define double @fcvt_d_l(i64 %a) nounwind {
; RV32IFD-LABEL: fcvt_d_l:
; RV32IFD:       # %bb.0:
; RV32IFD-NEXT:    addi sp, sp, -16
; RV32IFD-NEXT:    sw ra, 12(sp) # 4-byte Folded Spill
; RV32IFD-NEXT:    call __floatdidf@plt
; RV32IFD-NEXT:    lw ra, 12(sp) # 4-byte Folded Reload
; RV32IFD-NEXT:    addi sp, sp, 16
; RV32IFD-NEXT:    ret
;
; RV64IFD-LABEL: fcvt_d_l:
; RV64IFD:       # %bb.0:
; RV64IFD-NEXT:    fcvt.d.l ft0, a0
; RV64IFD-NEXT:    fmv.x.d a0, ft0
; RV64IFD-NEXT:    ret
  %1 = sitofp i64 %a to double
  ret double %1
}

define double @fcvt_d_lu(i64 %a) nounwind {
; RV32IFD-LABEL: fcvt_d_lu:
; RV32IFD:       # %bb.0:
; RV32IFD-NEXT:    addi sp, sp, -16
; RV32IFD-NEXT:    sw ra, 12(sp) # 4-byte Folded Spill
; RV32IFD-NEXT:    call __floatundidf@plt
; RV32IFD-NEXT:    lw ra, 12(sp) # 4-byte Folded Reload
; RV32IFD-NEXT:    addi sp, sp, 16
; RV32IFD-NEXT:    ret
;
; RV64IFD-LABEL: fcvt_d_lu:
; RV64IFD:       # %bb.0:
; RV64IFD-NEXT:    fcvt.d.lu ft0, a0
; RV64IFD-NEXT:    fmv.x.d a0, ft0
; RV64IFD-NEXT:    ret
  %1 = uitofp i64 %a to double
  ret double %1
}

define double @fmv_d_x(i64 %a, i64 %b) nounwind {
; Ensure fmv.w.x is generated even for a soft double calling convention
; RV32IFD-LABEL: fmv_d_x:
; RV32IFD:       # %bb.0:
; RV32IFD-NEXT:    addi sp, sp, -32
; RV32IFD-NEXT:    sw a3, 20(sp)
; RV32IFD-NEXT:    sw a2, 16(sp)
; RV32IFD-NEXT:    sw a1, 28(sp)
; RV32IFD-NEXT:    sw a0, 24(sp)
; RV32IFD-NEXT:    fld ft0, 16(sp)
; RV32IFD-NEXT:    fld ft1, 24(sp)
; RV32IFD-NEXT:    fadd.d ft0, ft1, ft0
; RV32IFD-NEXT:    fsd ft0, 8(sp)
; RV32IFD-NEXT:    lw a0, 8(sp)
; RV32IFD-NEXT:    lw a1, 12(sp)
; RV32IFD-NEXT:    addi sp, sp, 32
; RV32IFD-NEXT:    ret
;
; RV64IFD-LABEL: fmv_d_x:
; RV64IFD:       # %bb.0:
; RV64IFD-NEXT:    fmv.d.x ft0, a0
; RV64IFD-NEXT:    fmv.d.x ft1, a1
; RV64IFD-NEXT:    fadd.d ft0, ft0, ft1
; RV64IFD-NEXT:    fmv.x.d a0, ft0
; RV64IFD-NEXT:    ret
  %1 = bitcast i64 %a to double
  %2 = bitcast i64 %b to double
  %3 = fadd double %1, %2
  ret double %3
}

define double @fcvt_d_w_i8(i8 signext %a) nounwind {
; RV32IFD-LABEL: fcvt_d_w_i8:
; RV32IFD:       # %bb.0:
; RV32IFD-NEXT:    addi sp, sp, -16
; RV32IFD-NEXT:    fcvt.d.w ft0, a0
; RV32IFD-NEXT:    fsd ft0, 8(sp)
; RV32IFD-NEXT:    lw a0, 8(sp)
; RV32IFD-NEXT:    lw a1, 12(sp)
; RV32IFD-NEXT:    addi sp, sp, 16
; RV32IFD-NEXT:    ret
;
; RV64IFD-LABEL: fcvt_d_w_i8:
; RV64IFD:       # %bb.0:
; RV64IFD-NEXT:    fcvt.d.w ft0, a0
; RV64IFD-NEXT:    fmv.x.d a0, ft0
; RV64IFD-NEXT:    ret
  %1 = sitofp i8 %a to double
  ret double %1
}

define double @fcvt_d_wu_i8(i8 zeroext %a) nounwind {
; RV32IFD-LABEL: fcvt_d_wu_i8:
; RV32IFD:       # %bb.0:
; RV32IFD-NEXT:    addi sp, sp, -16
; RV32IFD-NEXT:    fcvt.d.wu ft0, a0
; RV32IFD-NEXT:    fsd ft0, 8(sp)
; RV32IFD-NEXT:    lw a0, 8(sp)
; RV32IFD-NEXT:    lw a1, 12(sp)
; RV32IFD-NEXT:    addi sp, sp, 16
; RV32IFD-NEXT:    ret
;
; RV64IFD-LABEL: fcvt_d_wu_i8:
; RV64IFD:       # %bb.0:
; RV64IFD-NEXT:    fcvt.d.wu ft0, a0
; RV64IFD-NEXT:    fmv.x.d a0, ft0
; RV64IFD-NEXT:    ret
  %1 = uitofp i8 %a to double
  ret double %1
}

define double @fcvt_d_w_i16(i16 signext %a) nounwind {
; RV32IFD-LABEL: fcvt_d_w_i16:
; RV32IFD:       # %bb.0:
; RV32IFD-NEXT:    addi sp, sp, -16
; RV32IFD-NEXT:    fcvt.d.w ft0, a0
; RV32IFD-NEXT:    fsd ft0, 8(sp)
; RV32IFD-NEXT:    lw a0, 8(sp)
; RV32IFD-NEXT:    lw a1, 12(sp)
; RV32IFD-NEXT:    addi sp, sp, 16
; RV32IFD-NEXT:    ret
;
; RV64IFD-LABEL: fcvt_d_w_i16:
; RV64IFD:       # %bb.0:
; RV64IFD-NEXT:    fcvt.d.w ft0, a0
; RV64IFD-NEXT:    fmv.x.d a0, ft0
; RV64IFD-NEXT:    ret
  %1 = sitofp i16 %a to double
  ret double %1
}

define double @fcvt_d_wu_i16(i16 zeroext %a) nounwind {
; RV32IFD-LABEL: fcvt_d_wu_i16:
; RV32IFD:       # %bb.0:
; RV32IFD-NEXT:    addi sp, sp, -16
; RV32IFD-NEXT:    fcvt.d.wu ft0, a0
; RV32IFD-NEXT:    fsd ft0, 8(sp)
; RV32IFD-NEXT:    lw a0, 8(sp)
; RV32IFD-NEXT:    lw a1, 12(sp)
; RV32IFD-NEXT:    addi sp, sp, 16
; RV32IFD-NEXT:    ret
;
; RV64IFD-LABEL: fcvt_d_wu_i16:
; RV64IFD:       # %bb.0:
; RV64IFD-NEXT:    fcvt.d.wu ft0, a0
; RV64IFD-NEXT:    fmv.x.d a0, ft0
; RV64IFD-NEXT:    ret
  %1 = uitofp i16 %a to double
  ret double %1
}