llvm/test/Analysis/CostModel/X86/bswap-store.ll

; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -cost-model -analyze                           | FileCheck %s --check-prefixes=ALL,X64
; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -cost-model -analyze -mattr=+movbe             | FileCheck %s --check-prefixes=ALL,X64-MOVBE
; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -cost-model -analyze -mattr=+movbe,+fast-movbe | FileCheck %s --check-prefixes=ALL,X64-FASTMOVBE

; RUN: opt < %s -mtriple=i686-unknown-linux-gnu -cost-model -analyze                           | FileCheck %s --check-prefixes=ALL,X32
; RUN: opt < %s -mtriple=i686-unknown-linux-gnu -cost-model -analyze -mattr=+movbe             | FileCheck %s --check-prefixes=ALL,X32-MOVBE
; RUN: opt < %s -mtriple=i686-unknown-linux-gnu -cost-model -analyze -mattr=+movbe,+fast-movbe | FileCheck %s --check-prefixes=ALL,X32-FASTMOVBE

declare i16 @llvm.bswap.i16(i16)
declare i32 @llvm.bswap.i32(i32)
declare i64 @llvm.bswap.i64(i64)
declare i128 @llvm.bswap.i128(i128)

define void @var_bswap_store_i16(i16 %a, i16* %dst) {
; X64-LABEL: 'var_bswap_store_i16'
; X64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bswap = call i16 @llvm.bswap.i16(i16 %a)
; X64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: store i16 %bswap, i16* %dst, align 1
; X64-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; X64-MOVBE-LABEL: 'var_bswap_store_i16'
; X64-MOVBE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bswap = call i16 @llvm.bswap.i16(i16 %a)
; X64-MOVBE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: store i16 %bswap, i16* %dst, align 1
; X64-MOVBE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; X64-FASTMOVBE-LABEL: 'var_bswap_store_i16'
; X64-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %bswap = call i16 @llvm.bswap.i16(i16 %a)
; X64-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: store i16 %bswap, i16* %dst, align 1
; X64-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; X32-LABEL: 'var_bswap_store_i16'
; X32-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bswap = call i16 @llvm.bswap.i16(i16 %a)
; X32-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: store i16 %bswap, i16* %dst, align 1
; X32-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; X32-MOVBE-LABEL: 'var_bswap_store_i16'
; X32-MOVBE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bswap = call i16 @llvm.bswap.i16(i16 %a)
; X32-MOVBE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: store i16 %bswap, i16* %dst, align 1
; X32-MOVBE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; X32-FASTMOVBE-LABEL: 'var_bswap_store_i16'
; X32-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %bswap = call i16 @llvm.bswap.i16(i16 %a)
; X32-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: store i16 %bswap, i16* %dst, align 1
; X32-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
  %bswap = call i16 @llvm.bswap.i16(i16 %a)
  store i16 %bswap, i16* %dst, align 1

  ret void
}
define void @var_bswap_store_i16_extrause(i16 %a, i16* %dst) {
; ALL-LABEL: 'var_bswap_store_i16_extrause'
; ALL-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bswap = call i16 @llvm.bswap.i16(i16 %a)
; ALL-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: store i16 %bswap, i16* %dst, align 1
; ALL-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bswap2 = shl i16 %bswap, 2
; ALL-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
  %bswap = call i16 @llvm.bswap.i16(i16 %a)
  store i16 %bswap, i16* %dst, align 1

  %bswap2 = shl i16 %bswap, 2 ; incur an extra use to the bswap

  ret void
}

define void @var_bswap_store_i32(i32 %a, i32* %dst) {
; X64-LABEL: 'var_bswap_store_i32'
; X64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bswap = call i32 @llvm.bswap.i32(i32 %a)
; X64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: store i32 %bswap, i32* %dst, align 1
; X64-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; X64-MOVBE-LABEL: 'var_bswap_store_i32'
; X64-MOVBE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bswap = call i32 @llvm.bswap.i32(i32 %a)
; X64-MOVBE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: store i32 %bswap, i32* %dst, align 1
; X64-MOVBE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; X64-FASTMOVBE-LABEL: 'var_bswap_store_i32'
; X64-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %bswap = call i32 @llvm.bswap.i32(i32 %a)
; X64-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: store i32 %bswap, i32* %dst, align 1
; X64-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; X32-LABEL: 'var_bswap_store_i32'
; X32-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bswap = call i32 @llvm.bswap.i32(i32 %a)
; X32-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: store i32 %bswap, i32* %dst, align 1
; X32-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; X32-MOVBE-LABEL: 'var_bswap_store_i32'
; X32-MOVBE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bswap = call i32 @llvm.bswap.i32(i32 %a)
; X32-MOVBE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: store i32 %bswap, i32* %dst, align 1
; X32-MOVBE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; X32-FASTMOVBE-LABEL: 'var_bswap_store_i32'
; X32-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %bswap = call i32 @llvm.bswap.i32(i32 %a)
; X32-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: store i32 %bswap, i32* %dst, align 1
; X32-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
  %bswap = call i32 @llvm.bswap.i32(i32 %a)
  store i32 %bswap, i32* %dst, align 1

  ret void
}
define void @var_bswap_store_i32_extrause(i32 %a, i32* %dst) {
; ALL-LABEL: 'var_bswap_store_i32_extrause'
; ALL-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bswap = call i32 @llvm.bswap.i32(i32 %a)
; ALL-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: store i32 %bswap, i32* %dst, align 1
; ALL-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bswap2 = shl i32 %bswap, 2
; ALL-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
  %bswap = call i32 @llvm.bswap.i32(i32 %a)
  store i32 %bswap, i32* %dst, align 1

  %bswap2 = shl i32 %bswap, 2 ; incur an extra use to the bswap

  ret void
}

define void @var_bswap_store_i64(i64 %a, i64* %dst) {
; X64-LABEL: 'var_bswap_store_i64'
; X64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bswap = call i64 @llvm.bswap.i64(i64 %a)
; X64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: store i64 %bswap, i64* %dst, align 1
; X64-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; X64-MOVBE-LABEL: 'var_bswap_store_i64'
; X64-MOVBE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bswap = call i64 @llvm.bswap.i64(i64 %a)
; X64-MOVBE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: store i64 %bswap, i64* %dst, align 1
; X64-MOVBE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; X64-FASTMOVBE-LABEL: 'var_bswap_store_i64'
; X64-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %bswap = call i64 @llvm.bswap.i64(i64 %a)
; X64-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: store i64 %bswap, i64* %dst, align 1
; X64-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; X32-LABEL: 'var_bswap_store_i64'
; X32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bswap = call i64 @llvm.bswap.i64(i64 %a)
; X32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: store i64 %bswap, i64* %dst, align 1
; X32-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; X32-MOVBE-LABEL: 'var_bswap_store_i64'
; X32-MOVBE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bswap = call i64 @llvm.bswap.i64(i64 %a)
; X32-MOVBE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: store i64 %bswap, i64* %dst, align 1
; X32-MOVBE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; X32-FASTMOVBE-LABEL: 'var_bswap_store_i64'
; X32-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %bswap = call i64 @llvm.bswap.i64(i64 %a)
; X32-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: store i64 %bswap, i64* %dst, align 1
; X32-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
  %bswap = call i64 @llvm.bswap.i64(i64 %a)
  store i64 %bswap, i64* %dst, align 1

  ret void
}
define void @var_bswap_store_i64_extrause(i64 %a, i64* %dst) {
; X64-LABEL: 'var_bswap_store_i64_extrause'
; X64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bswap = call i64 @llvm.bswap.i64(i64 %a)
; X64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: store i64 %bswap, i64* %dst, align 1
; X64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bswap2 = shl i64 %bswap, 2
; X64-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; X64-MOVBE-LABEL: 'var_bswap_store_i64_extrause'
; X64-MOVBE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bswap = call i64 @llvm.bswap.i64(i64 %a)
; X64-MOVBE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: store i64 %bswap, i64* %dst, align 1
; X64-MOVBE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bswap2 = shl i64 %bswap, 2
; X64-MOVBE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; X64-FASTMOVBE-LABEL: 'var_bswap_store_i64_extrause'
; X64-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bswap = call i64 @llvm.bswap.i64(i64 %a)
; X64-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: store i64 %bswap, i64* %dst, align 1
; X64-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bswap2 = shl i64 %bswap, 2
; X64-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; X32-LABEL: 'var_bswap_store_i64_extrause'
; X32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bswap = call i64 @llvm.bswap.i64(i64 %a)
; X32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: store i64 %bswap, i64* %dst, align 1
; X32-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bswap2 = shl i64 %bswap, 2
; X32-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; X32-MOVBE-LABEL: 'var_bswap_store_i64_extrause'
; X32-MOVBE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bswap = call i64 @llvm.bswap.i64(i64 %a)
; X32-MOVBE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: store i64 %bswap, i64* %dst, align 1
; X32-MOVBE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bswap2 = shl i64 %bswap, 2
; X32-MOVBE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; X32-FASTMOVBE-LABEL: 'var_bswap_store_i64_extrause'
; X32-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bswap = call i64 @llvm.bswap.i64(i64 %a)
; X32-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: store i64 %bswap, i64* %dst, align 1
; X32-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bswap2 = shl i64 %bswap, 2
; X32-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
  %bswap = call i64 @llvm.bswap.i64(i64 %a)
  store i64 %bswap, i64* %dst, align 1

  %bswap2 = shl i64 %bswap, 2 ; incur an extra use to the bswap

  ret void
}

define void @var_bswap_store_i128(i128 %a, i128* %dst) {
; X64-LABEL: 'var_bswap_store_i128'
; X64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bswap = call i128 @llvm.bswap.i128(i128 %a)
; X64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: store i128 %bswap, i128* %dst, align 1
; X64-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; X64-MOVBE-LABEL: 'var_bswap_store_i128'
; X64-MOVBE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bswap = call i128 @llvm.bswap.i128(i128 %a)
; X64-MOVBE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: store i128 %bswap, i128* %dst, align 1
; X64-MOVBE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; X64-FASTMOVBE-LABEL: 'var_bswap_store_i128'
; X64-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %bswap = call i128 @llvm.bswap.i128(i128 %a)
; X64-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: store i128 %bswap, i128* %dst, align 1
; X64-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; X32-LABEL: 'var_bswap_store_i128'
; X32-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bswap = call i128 @llvm.bswap.i128(i128 %a)
; X32-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: store i128 %bswap, i128* %dst, align 1
; X32-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; X32-MOVBE-LABEL: 'var_bswap_store_i128'
; X32-MOVBE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bswap = call i128 @llvm.bswap.i128(i128 %a)
; X32-MOVBE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: store i128 %bswap, i128* %dst, align 1
; X32-MOVBE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; X32-FASTMOVBE-LABEL: 'var_bswap_store_i128'
; X32-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: %bswap = call i128 @llvm.bswap.i128(i128 %a)
; X32-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: store i128 %bswap, i128* %dst, align 1
; X32-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
  %bswap = call i128 @llvm.bswap.i128(i128 %a)
  store i128 %bswap, i128* %dst, align 1

  ret void
}
define void @var_bswap_store_i128_extrause(i128 %a, i128* %dst) {
; X64-LABEL: 'var_bswap_store_i128_extrause'
; X64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bswap = call i128 @llvm.bswap.i128(i128 %a)
; X64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: store i128 %bswap, i128* %dst, align 1
; X64-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bswap2 = shl i128 %bswap, 2
; X64-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; X64-MOVBE-LABEL: 'var_bswap_store_i128_extrause'
; X64-MOVBE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bswap = call i128 @llvm.bswap.i128(i128 %a)
; X64-MOVBE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: store i128 %bswap, i128* %dst, align 1
; X64-MOVBE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bswap2 = shl i128 %bswap, 2
; X64-MOVBE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; X64-FASTMOVBE-LABEL: 'var_bswap_store_i128_extrause'
; X64-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bswap = call i128 @llvm.bswap.i128(i128 %a)
; X64-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: store i128 %bswap, i128* %dst, align 1
; X64-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bswap2 = shl i128 %bswap, 2
; X64-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; X32-LABEL: 'var_bswap_store_i128_extrause'
; X32-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bswap = call i128 @llvm.bswap.i128(i128 %a)
; X32-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: store i128 %bswap, i128* %dst, align 1
; X32-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bswap2 = shl i128 %bswap, 2
; X32-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; X32-MOVBE-LABEL: 'var_bswap_store_i128_extrause'
; X32-MOVBE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bswap = call i128 @llvm.bswap.i128(i128 %a)
; X32-MOVBE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: store i128 %bswap, i128* %dst, align 1
; X32-MOVBE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bswap2 = shl i128 %bswap, 2
; X32-MOVBE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
; X32-FASTMOVBE-LABEL: 'var_bswap_store_i128_extrause'
; X32-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bswap = call i128 @llvm.bswap.i128(i128 %a)
; X32-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: store i128 %bswap, i128* %dst, align 1
; X32-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bswap2 = shl i128 %bswap, 2
; X32-FASTMOVBE-NEXT:  Cost Model: Found an estimated cost of 0 for instruction: ret void
;
  %bswap = call i128 @llvm.bswap.i128(i128 %a)
  store i128 %bswap, i128* %dst, align 1

  %bswap2 = shl i128 %bswap, 2 ; incur an extra use to the bswap

  ret void
}