llvm/llvm/test/CodeGen/AArch64/adc.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -verify-machineinstrs < %s -mtriple=arm64-apple-ios7.0 | FileCheck --check-prefix=CHECK-LE %s
; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64_be-none-linux-gnu | FileCheck --check-prefix=CHECK-BE %s

define i128 @test_simple(i128 %a, i128 %b, i128 %c) {
; CHECK-LE-LABEL: test_simple:
; CHECK-LE:       ; %bb.0:
; CHECK-LE-NEXT:    adds x8, x0, x2
; CHECK-LE-NEXT:    adc x9, x1, x3
; CHECK-LE-NEXT:    subs x0, x8, x4
; CHECK-LE-NEXT:    sbc x1, x9, x5
; CHECK-LE-NEXT:    ret
;
; CHECK-BE-LABEL: test_simple:
; CHECK-BE:       // %bb.0:
; CHECK-BE-NEXT:    adds x8, x1, x3
; CHECK-BE-NEXT:    adc x9, x0, x2
; CHECK-BE-NEXT:    subs x1, x8, x5
; CHECK-BE-NEXT:    sbc x0, x9, x4
; CHECK-BE-NEXT:    ret

  %valadd = add i128 %a, %b

  %valsub = sub i128 %valadd, %c

  ret i128 %valsub
}

define i128 @test_imm(i128 %a) {
; CHECK-LE-LABEL: test_imm:
; CHECK-LE:       ; %bb.0:
; CHECK-LE-NEXT:    adds x0, x0, #12
; CHECK-LE-NEXT:    cinc x1, x1, hs
; CHECK-LE-NEXT:    ret
;
; CHECK-BE-LABEL: test_imm:
; CHECK-BE:       // %bb.0:
; CHECK-BE-NEXT:    adds x1, x1, #12
; CHECK-BE-NEXT:    cinc x0, x0, hs
; CHECK-BE-NEXT:    ret

  %val = add i128 %a, 12

  ret i128 %val
}

define i128 @test_shifted(i128 %a, i128 %b) {
; CHECK-LE-LABEL: test_shifted:
; CHECK-LE:       ; %bb.0:
; CHECK-LE-NEXT:    extr x8, x3, x2, #19
; CHECK-LE-NEXT:    adds x0, x0, x2, lsl #45
; CHECK-LE-NEXT:    adc x1, x1, x8
; CHECK-LE-NEXT:    ret
;
; CHECK-BE-LABEL: test_shifted:
; CHECK-BE:       // %bb.0:
; CHECK-BE-NEXT:    extr x8, x2, x3, #19
; CHECK-BE-NEXT:    adds x1, x1, x3, lsl #45
; CHECK-BE-NEXT:    adc x0, x0, x8
; CHECK-BE-NEXT:    ret

  %rhs = shl i128 %b, 45

  %val = add i128 %a, %rhs

  ret i128 %val
}

define i128 @test_extended(i128 %a, i16 %b) {
; CHECK-LE-LABEL: test_extended:
; CHECK-LE:       ; %bb.0:
; CHECK-LE-NEXT:    ; kill: def $w2 killed $w2 def $x2
; CHECK-LE-NEXT:    sxth x8, w2
; CHECK-LE-NEXT:    adds x0, x0, w2, sxth #3
; CHECK-LE-NEXT:    asr x9, x8, #63
; CHECK-LE-NEXT:    extr x8, x9, x8, #61
; CHECK-LE-NEXT:    adc x1, x1, x8
; CHECK-LE-NEXT:    ret
;
; CHECK-BE-LABEL: test_extended:
; CHECK-BE:       // %bb.0:
; CHECK-BE-NEXT:    // kill: def $w2 killed $w2 def $x2
; CHECK-BE-NEXT:    sxth x8, w2
; CHECK-BE-NEXT:    adds x1, x1, w2, sxth #3
; CHECK-BE-NEXT:    asr x9, x8, #63
; CHECK-BE-NEXT:    extr x8, x9, x8, #61
; CHECK-BE-NEXT:    adc x0, x0, x8
; CHECK-BE-NEXT:    ret

  %ext = sext i16 %b to i128
  %rhs = shl i128 %ext, 3

  %val = add i128 %a, %rhs

  ret i128 %val
}