xref: /aosp_15_r20/external/llvm/test/CodeGen/AArch64/adc.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)

; RUN: llc -verify-machineinstrs < %s -mtriple=arm64-apple-ios7.0 | FileCheck --check-prefix=CHECK --check-prefix=CHECK-LE %s
; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64_be-none-linux-gnu | FileCheck --check-prefix=CHECK --check-prefix=CHECK-BE %s

define i128 @test_simple(i128 %a, i128 %b, i128 %c) {
; CHECK-LABEL: test_simple:

  %valadd = add i128 %a, %b
; CHECK-LE: adds [[ADDLO:x[0-9]+]], x0, x2
; CHECK-LE-NEXT: adcs [[ADDHI:x[0-9]+]], x1, x3
; CHECK-BE: adds [[ADDLO:x[0-9]+]], x1, x3
; CHECK-BE-NEXT: adcs [[ADDHI:x[0-9]+]], x0, x2

  %valsub = sub i128 %valadd, %c
; CHECK-LE: subs x0, [[ADDLO]], x4
; CHECK-LE: sbcs x1, [[ADDHI]], x5
; CHECK-BE: subs x1, [[ADDLO]], x5
; CHECK-BE: sbcs x0, [[ADDHI]], x4

  ret i128 %valsub
; CHECK: ret
}

define i128 @test_imm(i128 %a) {
; CHECK-LABEL: test_imm:

  %val = add i128 %a, 12
; CHECK-LE: adds x0, x0, #12
; CHECK-LE: adcs x1, x1, {{x[0-9]|xzr}}
; CHECK-BE: adds x1, x1, #12
; CHECK-BE: adcs x0, x0, {{x[0-9]|xzr}}

  ret i128 %val
; CHECK: ret
}

define i128 @test_shifted(i128 %a, i128 %b) {
; CHECK-LABEL: test_shifted:

  %rhs = shl i128 %b, 45

  %val = add i128 %a, %rhs
; CHECK-LE: adds x0, x0, x2, lsl #45
; CHECK-LE: adcs x1, x1, {{x[0-9]}}
; CHECK-BE: adds x1, x1, x3, lsl #45
; CHECK-BE: adcs x0, x0, {{x[0-9]}}

  ret i128 %val
; CHECK: ret
}

define i128 @test_extended(i128 %a, i16 %b) {
; CHECK-LABEL: test_extended:

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

  %val = add i128 %a, %rhs
; CHECK-LE: adds x0, x0, w2, sxth #3
; CHECK-LE: adcs x1, x1, {{x[0-9]}}
; CHECK-BE: adds x1, x1, w2, sxth #3
; CHECK-BE: adcs x0, x0, {{x[0-9]}}

  ret i128 %val
; CHECK: ret
}