llvm/test/CodeGen/LoongArch/alsl.ll

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

define i8 @alsl_i8(i8 signext %a, i8 signext %b) nounwind {
; LA32-LABEL: alsl_i8:
; LA32:       # %bb.0: # %entry
; LA32-NEXT:    alsl.w $a0, $a0, $a1, 1
; LA32-NEXT:    ret
;
; LA64-LABEL: alsl_i8:
; LA64:       # %bb.0: # %entry
; LA64-NEXT:    alsl.d $a0, $a0, $a1, 1
; LA64-NEXT:    ret
entry:
  %mul = mul nsw i8 %a, 2
  %add = add nsw i8 %b, %mul
  ret i8 %add
}

define i16 @alsl_i16(i16 signext %a, i16 signext %b) nounwind {
; LA32-LABEL: alsl_i16:
; LA32:       # %bb.0: # %entry
; LA32-NEXT:    alsl.w $a0, $a0, $a1, 2
; LA32-NEXT:    ret
;
; LA64-LABEL: alsl_i16:
; LA64:       # %bb.0: # %entry
; LA64-NEXT:    alsl.d $a0, $a0, $a1, 2
; LA64-NEXT:    ret
entry:
  %mul = mul nsw i16 %a, 4
  %add = add nsw i16 %b, %mul
  ret i16 %add
}

define i32 @alsl_i32(i32 signext %a, i32 signext %b) nounwind {
; LA32-LABEL: alsl_i32:
; LA32:       # %bb.0: # %entry
; LA32-NEXT:    alsl.w $a0, $a0, $a1, 3
; LA32-NEXT:    ret
;
; LA64-LABEL: alsl_i32:
; LA64:       # %bb.0: # %entry
; LA64-NEXT:    alsl.w $a0, $a0, $a1, 3
; LA64-NEXT:    ret
entry:
  %mul = mul nsw i32 %a, 8
  %add = add nsw i32 %b, %mul
  ret i32 %add
}

define i64 @alsl_i64(i64 signext %a, i64 signext %b) nounwind {
; LA32-LABEL: alsl_i64:
; LA32:       # %bb.0: # %entry
; LA32-NEXT:    srli.w $a4, $a0, 28
; LA32-NEXT:    slli.w $a1, $a1, 4
; LA32-NEXT:    or $a1, $a1, $a4
; LA32-NEXT:    alsl.w $a0, $a0, $a2, 4
; LA32-NEXT:    sltu $a2, $a0, $a2
; LA32-NEXT:    add.w $a1, $a3, $a1
; LA32-NEXT:    add.w $a1, $a1, $a2
; LA32-NEXT:    ret
;
; LA64-LABEL: alsl_i64:
; LA64:       # %bb.0: # %entry
; LA64-NEXT:    alsl.d $a0, $a0, $a1, 4
; LA64-NEXT:    ret
entry:
  %mul = mul nsw i64 %a, 16
  %add = add nsw i64 %b, %mul
  ret i64 %add
}

define i32 @alsl_zext_i8(i8 signext %a, i8 signext %b) nounwind {
; LA32-LABEL: alsl_zext_i8:
; LA32:       # %bb.0: # %entry
; LA32-NEXT:    alsl.w $a0, $a0, $a1, 1
; LA32-NEXT:    andi $a0, $a0, 255
; LA32-NEXT:    ret
;
; LA64-LABEL: alsl_zext_i8:
; LA64:       # %bb.0: # %entry
; LA64-NEXT:    alsl.d $a0, $a0, $a1, 1
; LA64-NEXT:    andi $a0, $a0, 255
; LA64-NEXT:    ret
entry:
  %mul = mul nsw i8 %a, 2
  %add = add nsw i8 %b, %mul
  %zext = zext i8 %add to i32
  ret i32 %zext
}

define i32 @alsl_zext_i16(i16 signext %a, i16 signext %b) nounwind {
; LA32-LABEL: alsl_zext_i16:
; LA32:       # %bb.0: # %entry
; LA32-NEXT:    alsl.w $a0, $a0, $a1, 2
; LA32-NEXT:    bstrpick.w $a0, $a0, 15, 0
; LA32-NEXT:    ret
;
; LA64-LABEL: alsl_zext_i16:
; LA64:       # %bb.0: # %entry
; LA64-NEXT:    alsl.d $a0, $a0, $a1, 2
; LA64-NEXT:    bstrpick.d $a0, $a0, 15, 0
; LA64-NEXT:    ret
entry:
  %mul = mul nsw i16 %a, 4
  %add = add nsw i16 %b, %mul
  %zext = zext i16 %add to i32
  ret i32 %zext
}

define i64 @alsl_zext_i32(i32 signext %a, i32 signext %b) nounwind {
; LA32-LABEL: alsl_zext_i32:
; LA32:       # %bb.0: # %entry
; LA32-NEXT:    alsl.w $a0, $a0, $a1, 3
; LA32-NEXT:    move $a1, $zero
; LA32-NEXT:    ret
;
; LA64-LABEL: alsl_zext_i32:
; LA64:       # %bb.0: # %entry
; LA64-NEXT:    alsl.wu $a0, $a0, $a1, 3
; LA64-NEXT:    ret
entry:
  %mul = mul nsw i32 %a, 8
  %add = add nsw i32 %b, %mul
  %zext = zext i32 %add to i64
  ret i64 %zext
}

define i8 @mul_add_i8(i8 signext %a, i8 signext %b) nounwind {
; LA32-LABEL: mul_add_i8:
; LA32:       # %bb.0: # %entry
; LA32-NEXT:    alsl.w $a0, $a0, $a0, 1
; LA32-NEXT:    add.w $a0, $a1, $a0
; LA32-NEXT:    ret
;
; LA64-LABEL: mul_add_i8:
; LA64:       # %bb.0: # %entry
; LA64-NEXT:    alsl.d $a0, $a0, $a0, 1
; LA64-NEXT:    add.d $a0, $a1, $a0
; LA64-NEXT:    ret
entry:
  %mul = mul nsw i8 %a, 3
  %add = add nsw i8 %b, %mul
  ret i8 %add
}

define i16 @mul_add_i16(i16 signext %a, i16 signext %b) nounwind {
; LA32-LABEL: mul_add_i16:
; LA32:       # %bb.0: # %entry
; LA32-NEXT:    slli.w $a2, $a0, 3
; LA32-NEXT:    alsl.w $a0, $a0, $a2, 1
; LA32-NEXT:    add.w $a0, $a1, $a0
; LA32-NEXT:    ret
;
; LA64-LABEL: mul_add_i16:
; LA64:       # %bb.0: # %entry
; LA64-NEXT:    slli.d $a2, $a0, 3
; LA64-NEXT:    alsl.d $a0, $a0, $a2, 1
; LA64-NEXT:    add.d $a0, $a1, $a0
; LA64-NEXT:    ret
entry:
  %mul = mul nsw i16 %a, 10
  %add = add nsw i16 %b, %mul
  ret i16 %add
}

define i32 @mul_add_i32(i32 signext %a, i32 signext %b) nounwind {
; LA32-LABEL: mul_add_i32:
; LA32:       # %bb.0: # %entry
; LA32-NEXT:    slli.w $a2, $a0, 3
; LA32-NEXT:    alsl.w $a0, $a0, $a2, 2
; LA32-NEXT:    add.w $a0, $a1, $a0
; LA32-NEXT:    ret
;
; LA64-LABEL: mul_add_i32:
; LA64:       # %bb.0: # %entry
; LA64-NEXT:    slli.d $a2, $a0, 3
; LA64-NEXT:    alsl.d $a0, $a0, $a2, 2
; LA64-NEXT:    add.w $a0, $a1, $a0
; LA64-NEXT:    ret
entry:
  %mul = mul nsw i32 %a, 12
  %add = add nsw i32 %b, %mul
  ret i32 %add
}

define i64 @mul_add_i64(i64 signext %a, i64 signext %b) nounwind {
; LA32-LABEL: mul_add_i64:
; LA32:       # %bb.0: # %entry
; LA32-NEXT:    ori $a4, $zero, 15
; LA32-NEXT:    mulh.wu $a4, $a0, $a4
; LA32-NEXT:    slli.w $a5, $a1, 4
; LA32-NEXT:    sub.w $a1, $a5, $a1
; LA32-NEXT:    add.w $a1, $a4, $a1
; LA32-NEXT:    slli.w $a4, $a0, 4
; LA32-NEXT:    sub.w $a0, $a4, $a0
; LA32-NEXT:    add.w $a1, $a3, $a1
; LA32-NEXT:    add.w $a0, $a2, $a0
; LA32-NEXT:    sltu $a2, $a0, $a2
; LA32-NEXT:    add.w $a1, $a1, $a2
; LA32-NEXT:    ret
;
; LA64-LABEL: mul_add_i64:
; LA64:       # %bb.0: # %entry
; LA64-NEXT:    slli.d $a2, $a0, 4
; LA64-NEXT:    sub.d $a0, $a2, $a0
; LA64-NEXT:    add.d $a0, $a1, $a0
; LA64-NEXT:    ret
entry:
  %mul = mul nsw i64 %a, 15
  %add = add nsw i64 %b, %mul
  ret i64 %add
}

define i32 @mul_add_zext_i8(i8 signext %a, i8 signext %b) nounwind {
; LA32-LABEL: mul_add_zext_i8:
; LA32:       # %bb.0: # %entry
; LA32-NEXT:    alsl.w $a0, $a0, $a0, 2
; LA32-NEXT:    add.w $a0, $a1, $a0
; LA32-NEXT:    andi $a0, $a0, 255
; LA32-NEXT:    ret
;
; LA64-LABEL: mul_add_zext_i8:
; LA64:       # %bb.0: # %entry
; LA64-NEXT:    alsl.d $a0, $a0, $a0, 2
; LA64-NEXT:    add.d $a0, $a1, $a0
; LA64-NEXT:    andi $a0, $a0, 255
; LA64-NEXT:    ret
entry:
  %mul = mul nsw i8 %a, 5
  %add = add nsw i8 %b, %mul
  %zext = zext i8 %add to i32
  ret i32 %zext
}

define i32 @mul_add_zext_i16(i16 signext %a, i16 signext %b) nounwind {
; LA32-LABEL: mul_add_zext_i16:
; LA32:       # %bb.0: # %entry
; LA32-NEXT:    slli.w $a2, $a0, 4
; LA32-NEXT:    sub.w $a0, $a2, $a0
; LA32-NEXT:    add.w $a0, $a1, $a0
; LA32-NEXT:    bstrpick.w $a0, $a0, 15, 0
; LA32-NEXT:    ret
;
; LA64-LABEL: mul_add_zext_i16:
; LA64:       # %bb.0: # %entry
; LA64-NEXT:    slli.d $a2, $a0, 4
; LA64-NEXT:    sub.d $a0, $a2, $a0
; LA64-NEXT:    add.d $a0, $a1, $a0
; LA64-NEXT:    bstrpick.d $a0, $a0, 15, 0
; LA64-NEXT:    ret
entry:
  %mul = mul nsw i16 %a, 15
  %add = add nsw i16 %b, %mul
  %zext = zext i16 %add to i32
  ret i32 %zext
}

define i64 @mul_add_zext_i32(i32 signext %a, i32 signext %b) nounwind {
; LA32-LABEL: mul_add_zext_i32:
; LA32:       # %bb.0: # %entry
; LA32-NEXT:    alsl.w $a0, $a0, $a0, 2
; LA32-NEXT:    add.w $a0, $a1, $a0
; LA32-NEXT:    move $a1, $zero
; LA32-NEXT:    ret
;
; LA64-LABEL: mul_add_zext_i32:
; LA64:       # %bb.0: # %entry
; LA64-NEXT:    alsl.d $a0, $a0, $a0, 2
; LA64-NEXT:    add.d $a0, $a1, $a0
; LA64-NEXT:    bstrpick.d $a0, $a0, 31, 0
; LA64-NEXT:    ret
entry:
  %mul = mul nsw i32 %a, 5
  %add = add nsw i32 %b, %mul
  %zext = zext i32 %add to i64
  ret i64 %zext
}

define i8 @alsl_neg_i8(i8 signext %a, i8 signext %b) nounwind {
; LA32-LABEL: alsl_neg_i8:
; LA32:       # %bb.0: # %entry
; LA32-NEXT:    alsl.w $a0, $a0, $a0, 1
; LA32-NEXT:    sub.w $a0, $a1, $a0
; LA32-NEXT:    ret
;
; LA64-LABEL: alsl_neg_i8:
; LA64:       # %bb.0: # %entry
; LA64-NEXT:    alsl.d $a0, $a0, $a0, 1
; LA64-NEXT:    sub.d $a0, $a1, $a0
; LA64-NEXT:    ret
entry:
  %mul = mul nsw i8 %a, -3
  %add = add nsw i8 %b, %mul
  ret i8 %add
}

define i16 @alsl_neg_i16(i16 signext %a, i16 signext %b) nounwind {
; LA32-LABEL: alsl_neg_i16:
; LA32:       # %bb.0: # %entry
; LA32-NEXT:    alsl.w $a0, $a0, $a0, 2
; LA32-NEXT:    sub.w $a0, $a1, $a0
; LA32-NEXT:    ret
;
; LA64-LABEL: alsl_neg_i16:
; LA64:       # %bb.0: # %entry
; LA64-NEXT:    alsl.d $a0, $a0, $a0, 2
; LA64-NEXT:    sub.d $a0, $a1, $a0
; LA64-NEXT:    ret
entry:
  %mul = mul nsw i16 %a, -5
  %add = add nsw i16 %b, %mul
  ret i16 %add
}

define i32 @alsl_neg_i32(i32 signext %a, i32 signext %b) nounwind {
; LA32-LABEL: alsl_neg_i32:
; LA32:       # %bb.0: # %entry
; LA32-NEXT:    alsl.w $a0, $a0, $a0, 3
; LA32-NEXT:    sub.w $a0, $a1, $a0
; LA32-NEXT:    ret
;
; LA64-LABEL: alsl_neg_i32:
; LA64:       # %bb.0: # %entry
; LA64-NEXT:    alsl.d $a0, $a0, $a0, 3
; LA64-NEXT:    sub.w $a0, $a1, $a0
; LA64-NEXT:    ret
entry:
  %mul = mul nsw i32 %a, -9
  %add = add nsw i32 %b, %mul
  ret i32 %add
}

define i64 @mul_add_neg_i64(i64 signext %a, i64 signext %b) nounwind {
; LA32-LABEL: mul_add_neg_i64:
; LA32:       # %bb.0: # %entry
; LA32-NEXT:    slli.w $a4, $a1, 4
; LA32-NEXT:    sub.w $a1, $a1, $a4
; LA32-NEXT:    addi.w $a4, $zero, -15
; LA32-NEXT:    mulh.wu $a4, $a0, $a4
; LA32-NEXT:    sub.w $a4, $a4, $a0
; LA32-NEXT:    add.w $a1, $a4, $a1
; LA32-NEXT:    slli.w $a4, $a0, 4
; LA32-NEXT:    sub.w $a0, $a0, $a4
; LA32-NEXT:    add.w $a1, $a3, $a1
; LA32-NEXT:    add.w $a0, $a2, $a0
; LA32-NEXT:    sltu $a2, $a0, $a2
; LA32-NEXT:    add.w $a1, $a1, $a2
; LA32-NEXT:    ret
;
; LA64-LABEL: mul_add_neg_i64:
; LA64:       # %bb.0: # %entry
; LA64-NEXT:    slli.d $a2, $a0, 4
; LA64-NEXT:    sub.d $a0, $a0, $a2
; LA64-NEXT:    add.d $a0, $a1, $a0
; LA64-NEXT:    ret
entry:
  %mul = mul nsw i64 %a, -15
  %add = add nsw i64 %b, %mul
  ret i64 %add
}