llvm/test/CodeGen/LoongArch/load-itofp-combine.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
; RUN: llc --mtriple=loongarch32 --mattr=+f,-d < %s | FileCheck %s --check-prefix=LA32F
; RUN: llc --mtriple=loongarch32 --mattr=+d < %s | FileCheck %s --check-prefix=LA32D
; RUN: llc --mtriple=loongarch64 --mattr=+f,-d < %s | FileCheck %s --check-prefix=LA64F
; RUN: llc --mtriple=loongarch64 --mattr=+d < %s | FileCheck %s --check-prefix=LA64D

define float @load_sitofp_f32(ptr %src) nounwind {
; LA32F-LABEL: load_sitofp_f32:
; LA32F:       # %bb.0:
; LA32F-NEXT:    fld.s $fa0, $a0, 0
; LA32F-NEXT:    ffint.s.w $fa0, $fa0
; LA32F-NEXT:    ret
;
; LA32D-LABEL: load_sitofp_f32:
; LA32D:       # %bb.0:
; LA32D-NEXT:    fld.s $fa0, $a0, 0
; LA32D-NEXT:    ffint.s.w $fa0, $fa0
; LA32D-NEXT:    ret
;
; LA64F-LABEL: load_sitofp_f32:
; LA64F:       # %bb.0:
; LA64F-NEXT:    fld.s $fa0, $a0, 0
; LA64F-NEXT:    ffint.s.w $fa0, $fa0
; LA64F-NEXT:    ret
;
; LA64D-LABEL: load_sitofp_f32:
; LA64D:       # %bb.0:
; LA64D-NEXT:    fld.s $fa0, $a0, 0
; LA64D-NEXT:    ffint.s.w $fa0, $fa0
; LA64D-NEXT:    ret
  %1 = load i32, ptr %src
  %2 = sitofp i32 %1 to float
  ret float %2
}

define double @load_sitofp_f64(ptr %src) nounwind {
; LA32F-LABEL: load_sitofp_f64:
; LA32F:       # %bb.0:
; LA32F-NEXT:    addi.w $sp, $sp, -16
; LA32F-NEXT:    st.w $ra, $sp, 12 # 4-byte Folded Spill
; LA32F-NEXT:    ld.w $a2, $a0, 0
; LA32F-NEXT:    ld.w $a1, $a0, 4
; LA32F-NEXT:    move $a0, $a2
; LA32F-NEXT:    bl __floatdidf
; LA32F-NEXT:    ld.w $ra, $sp, 12 # 4-byte Folded Reload
; LA32F-NEXT:    addi.w $sp, $sp, 16
; LA32F-NEXT:    ret
;
; LA32D-LABEL: load_sitofp_f64:
; LA32D:       # %bb.0:
; LA32D-NEXT:    fld.d $fa0, $a0, 0
; LA32D-NEXT:    ffint.d.l $fa0, $fa0
; LA32D-NEXT:    ret
;
; LA64F-LABEL: load_sitofp_f64:
; LA64F:       # %bb.0:
; LA64F-NEXT:    addi.d $sp, $sp, -16
; LA64F-NEXT:    st.d $ra, $sp, 8 # 8-byte Folded Spill
; LA64F-NEXT:    ld.d $a0, $a0, 0
; LA64F-NEXT:    pcaddu18i $ra, %call36(__floatdidf)
; LA64F-NEXT:    jirl $ra, $ra, 0
; LA64F-NEXT:    ld.d $ra, $sp, 8 # 8-byte Folded Reload
; LA64F-NEXT:    addi.d $sp, $sp, 16
; LA64F-NEXT:    ret
;
; LA64D-LABEL: load_sitofp_f64:
; LA64D:       # %bb.0:
; LA64D-NEXT:    fld.d $fa0, $a0, 0
; LA64D-NEXT:    ffint.d.l $fa0, $fa0
; LA64D-NEXT:    ret
  %1 = load i64, ptr %src
  %2 = sitofp i64 %1 to double
  ret double %2
}