llvm/test/CodeGen/LoongArch/ctpop-with-lsx.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc --mtriple=loongarch32 -mattr=+lsx < %s | FileCheck %s --check-prefix=LA32
; RUN: llc --mtriple=loongarch64 -mattr=+lsx < %s | FileCheck %s --check-prefix=LA64

declare i8 @llvm.ctpop.i8(i8)
declare i16 @llvm.ctpop.i16(i16)
declare i32 @llvm.ctpop.i32(i32)
declare i64 @llvm.ctpop.i64(i64)

define i8 @test_ctpop_i8(i8 %a) nounwind {
; LA32-LABEL: test_ctpop_i8:
; LA32:       # %bb.0:
; LA32-NEXT:    andi $a0, $a0, 255
; LA32-NEXT:    vldi $vr0, 0
; LA32-NEXT:    vinsgr2vr.w $vr0, $a0, 0
; LA32-NEXT:    vpcnt.w $vr0, $vr0
; LA32-NEXT:    vpickve2gr.w $a0, $vr0, 0
; LA32-NEXT:    ret
;
; LA64-LABEL: test_ctpop_i8:
; LA64:       # %bb.0:
; LA64-NEXT:    andi $a0, $a0, 255
; LA64-NEXT:    vldi $vr0, 0
; LA64-NEXT:    vinsgr2vr.d $vr0, $a0, 0
; LA64-NEXT:    vpcnt.d $vr0, $vr0
; LA64-NEXT:    vpickve2gr.d $a0, $vr0, 0
; LA64-NEXT:    ret
  %1 = call i8 @llvm.ctpop.i8(i8 %a)
  ret i8 %1
}

define i16 @test_ctpop_i16(i16 %a) nounwind {
; LA32-LABEL: test_ctpop_i16:
; LA32:       # %bb.0:
; LA32-NEXT:    bstrpick.w $a0, $a0, 15, 0
; LA32-NEXT:    vldi $vr0, 0
; LA32-NEXT:    vinsgr2vr.w $vr0, $a0, 0
; LA32-NEXT:    vpcnt.w $vr0, $vr0
; LA32-NEXT:    vpickve2gr.w $a0, $vr0, 0
; LA32-NEXT:    ret
;
; LA64-LABEL: test_ctpop_i16:
; LA64:       # %bb.0:
; LA64-NEXT:    bstrpick.d $a0, $a0, 15, 0
; LA64-NEXT:    vldi $vr0, 0
; LA64-NEXT:    vinsgr2vr.d $vr0, $a0, 0
; LA64-NEXT:    vpcnt.d $vr0, $vr0
; LA64-NEXT:    vpickve2gr.d $a0, $vr0, 0
; LA64-NEXT:    ret
  %1 = call i16 @llvm.ctpop.i16(i16 %a)
  ret i16 %1
}

define i32 @test_ctpop_i32(i32 %a) nounwind {
; LA32-LABEL: test_ctpop_i32:
; LA32:       # %bb.0:
; LA32-NEXT:    vldi $vr0, 0
; LA32-NEXT:    vinsgr2vr.w $vr0, $a0, 0
; LA32-NEXT:    vpcnt.w $vr0, $vr0
; LA32-NEXT:    vpickve2gr.w $a0, $vr0, 0
; LA32-NEXT:    ret
;
; LA64-LABEL: test_ctpop_i32:
; LA64:       # %bb.0:
; LA64-NEXT:    bstrpick.d $a0, $a0, 31, 0
; LA64-NEXT:    vldi $vr0, 0
; LA64-NEXT:    vinsgr2vr.d $vr0, $a0, 0
; LA64-NEXT:    vpcnt.d $vr0, $vr0
; LA64-NEXT:    vpickve2gr.d $a0, $vr0, 0
; LA64-NEXT:    ret
  %1 = call i32 @llvm.ctpop.i32(i32 %a)
  ret i32 %1
}

define i64 @test_ctpop_i64(i64 %a) nounwind {
; LA32-LABEL: test_ctpop_i64:
; LA32:       # %bb.0:
; LA32-NEXT:    vldi $vr0, 0
; LA32-NEXT:    vldi $vr1, 0
; LA32-NEXT:    vinsgr2vr.w $vr1, $a1, 0
; LA32-NEXT:    vpcnt.w $vr1, $vr1
; LA32-NEXT:    vpickve2gr.w $a1, $vr1, 0
; LA32-NEXT:    vinsgr2vr.w $vr0, $a0, 0
; LA32-NEXT:    vpcnt.w $vr0, $vr0
; LA32-NEXT:    vpickve2gr.w $a0, $vr0, 0
; LA32-NEXT:    add.w $a0, $a0, $a1
; LA32-NEXT:    move $a1, $zero
; LA32-NEXT:    ret
;
; LA64-LABEL: test_ctpop_i64:
; LA64:       # %bb.0:
; LA64-NEXT:    vldi $vr0, 0
; LA64-NEXT:    vinsgr2vr.d $vr0, $a0, 0
; LA64-NEXT:    vpcnt.d $vr0, $vr0
; LA64-NEXT:    vpickve2gr.d $a0, $vr0, 0
; LA64-NEXT:    ret
  %1 = call i64 @llvm.ctpop.i64(i64 %a)
  ret i64 %1
}