llvm-project/llvm/test/CodeGen/RISCV/double-imm.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 double @double_imm() nounwind {
; TODO: Should probably prefer fld or ld on RV64 rather than materialising an
; expensive constant.
;
; RV32IFD-LABEL: double_imm:
; RV32IFD:       # %bb.0:
; RV32IFD-NEXT:    lui a0, 345155
; RV32IFD-NEXT:    addi a0, a0, -744
; RV32IFD-NEXT:    lui a1, 262290
; RV32IFD-NEXT:    addi a1, a1, 507
; RV32IFD-NEXT:    ret
;
; RV64IFD-LABEL: double_imm:
; RV64IFD:       # %bb.0:
; RV64IFD-NEXT:    lui a0, 512
; RV64IFD-NEXT:    addiw a0, a0, 1169
; RV64IFD-NEXT:    slli a0, a0, 15
; RV64IFD-NEXT:    addi a0, a0, -299
; RV64IFD-NEXT:    slli a0, a0, 14
; RV64IFD-NEXT:    addi a0, a0, 1091
; RV64IFD-NEXT:    slli a0, a0, 12
; RV64IFD-NEXT:    addi a0, a0, -744
; RV64IFD-NEXT:    ret
  ret double 3.1415926535897931159979634685441851615905761718750
}

define double @double_imm_op(double %a) nounwind {
; RV32IFD-LABEL: double_imm_op:
; 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:    lui a0, %hi(.LCPI1_0)
; RV32IFD-NEXT:    addi a0, a0, %lo(.LCPI1_0)
; RV32IFD-NEXT:    fld ft1, 0(a0)
; RV32IFD-NEXT:    fadd.d ft0, ft0, ft1
; 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: double_imm_op:
; RV64IFD:       # %bb.0:
; RV64IFD-NEXT:    fmv.d.x ft0, a0
; RV64IFD-NEXT:    lui a0, %hi(.LCPI1_0)
; RV64IFD-NEXT:    addi a0, a0, %lo(.LCPI1_0)
; RV64IFD-NEXT:    fld ft1, 0(a0)
; RV64IFD-NEXT:    fadd.d ft0, ft0, ft1
; RV64IFD-NEXT:    fmv.x.d a0, ft0
; RV64IFD-NEXT:    ret
  %1 = fadd double %a, 1.0
  ret double %1
}