third_party/llvm-7.0/llvm/test/Analysis/CostModel/AArch64/div_cte.ll

; RUN: opt -cost-model -analyze -mtriple=aarch64-linux-gnu -mattr=+neon < %s | FileCheck %s

; Verify the cost of integer division by constant.

define <16 x i8> @sdiv8xi16(<16 x i8> %x) {
; CHECK-LABEL: 'Cost Model Analysis' for function 'sdiv8xi16':
; CHECK: Found an estimated cost of 9 for instruction: %div = sdiv <16 x i8> %x, <i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9>
  %div = sdiv <16 x i8> %x, <i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9>
  ret <16 x i8> %div
}

define <8 x i16> @sdiv16xi8(<8 x i16> %x) {
; CHECK-LABEL: 'Cost Model Analysis' for function 'sdiv16xi8':
; CHECK: Found an estimated cost of 9 for instruction: %div = sdiv <8 x i16> %x, <i16 9, i16 9, i16 9, i16 9, i16 9, i16 9, i16 9, i16 9>
  %div = sdiv <8 x i16> %x, <i16 9, i16 9, i16 9, i16 9, i16 9, i16 9, i16 9, i16 9>
  ret <8 x i16> %div
}

define <4 x i32> @sdiv32xi4(<4 x i32> %x) {
; CHECK-LABEL: 'Cost Model Analysis' for function 'sdiv32xi4':
; CHECK: Found an estimated cost of 9 for instruction: %div = sdiv <4 x i32> %x, <i32 9, i32 9, i32 9, i32 9>
  %div = sdiv <4 x i32> %x, <i32 9, i32 9, i32 9, i32 9>
  ret <4 x i32> %div
}

define <16 x i8> @udiv8xi16(<16 x i8> %x) {
; CHECK-LABEL: 'Cost Model Analysis' for function 'udiv8xi16':
; CHECK: Found an estimated cost of 9 for instruction: %div = udiv <16 x i8> %x, <i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9>
  %div = udiv <16 x i8> %x, <i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9, i8 9>
  ret <16 x i8> %div
}

define <8 x i16> @udiv16xi8(<8 x i16> %x) {
; CHECK-LABEL: 'Cost Model Analysis' for function 'udiv16xi8':
; CHECK: Found an estimated cost of 9 for instruction:   %div = udiv <8 x i16> %x, <i16 9, i16 9, i16 9, i16 9, i16 9, i16 9, i16 9, i16 9>
  %div = udiv <8 x i16> %x, <i16 9, i16 9, i16 9, i16 9, i16 9, i16 9, i16 9, i16 9>
  ret <8 x i16> %div
}

define <4 x i32> @udiv32xi4(<4 x i32> %x) {
; CHECK-LABEL: Printing analysis 'Cost Model Analysis' for function 'udiv32xi4':
; CHECK: Found an estimated cost of 9 for instruction:   %div = udiv <4 x i32> %x, <i32 9, i32 9, i32 9, i32 9>
  %div = udiv <4 x i32> %x, <i32 9, i32 9, i32 9, i32 9>
  ret <4 x i32> %div
}