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llvm-mirror/test/Analysis/CostModel/AArch64/free-widening-casts.ll
Matthew Simpson 383f076bfc [AArch64] Consider widening instructions in cost calculations 
The AArch64 instruction set has a few "widening" instructions (e.g., uaddl,
saddl, uaddw, etc.) that take one or more doubleword operands and produce
quadword results. The operands are automatically sign- or zero-extended as
appropriate. However, in LLVM IR, these extends are explicit. This patch
updates TTI to consider these widening instructions as single operations whose
cost is attached to the arithmetic instruction. It marks extends that are part
of a widening operation "free" and applies a sub-target specified overhead
(zero by default) to the arithmetic instructions.

Differential Revision: https://reviews.llvm.org/D32706

llvm-svn: 302582
2017-05-09 20:18:12 +00:00

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; RUN: opt < %s -mtriple=aarch64--linux-gnu -cost-model -analyze | FileCheck %s --check-prefix=COST
; RUN: llc < %s -mtriple=aarch64--linux-gnu | FileCheck %s --check-prefix=CODE
; COST-LABEL: uaddl_8h
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = zext <8 x i8> %a to <8 x i16>
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp1 = zext <8 x i8> %b to <8 x i16>
; CODE-LABEL: uaddl_8h
; CODE: uaddl v0.8h, v0.8b, v1.8b
define <8 x i16> @uaddl_8h(<8 x i8> %a, <8 x i8> %b) {
%tmp0 = zext <8 x i8> %a to <8 x i16>
%tmp1 = zext <8 x i8> %b to <8 x i16>
%tmp2 = add <8 x i16> %tmp0, %tmp1
ret <8 x i16> %tmp2
}
; COST-LABEL: uaddl_4s
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = zext <4 x i16> %a to <4 x i32>
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp1 = zext <4 x i16> %b to <4 x i32>
; CODE-LABEL: uaddl_4s
; CODE: uaddl v0.4s, v0.4h, v1.4h
define <4 x i32> @uaddl_4s(<4 x i16> %a, <4 x i16> %b) {
%tmp0 = zext <4 x i16> %a to <4 x i32>
%tmp1 = zext <4 x i16> %b to <4 x i32>
%tmp2 = add <4 x i32> %tmp0, %tmp1
ret <4 x i32> %tmp2
}
; COST-LABEL: uaddl_2d
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = zext <2 x i32> %a to <2 x i64>
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp1 = zext <2 x i32> %b to <2 x i64>
; CODE-LABEL: uaddl_2d
; CODE: uaddl v0.2d, v0.2s, v1.2s
define <2 x i64> @uaddl_2d(<2 x i32> %a, <2 x i32> %b) {
%tmp0 = zext <2 x i32> %a to <2 x i64>
%tmp1 = zext <2 x i32> %b to <2 x i64>
%tmp2 = add <2 x i64> %tmp0, %tmp1
ret <2 x i64> %tmp2
}
; COST-LABEL: uaddl2_8h
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = zext <16 x i8> %a to <16 x i16>
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp1 = zext <16 x i8> %b to <16 x i16>
; CODE-LABEL: uaddl2_8h
; CODE: uaddl2 v2.8h, v0.16b, v1.16b
; CODE-NEXT: uaddl v0.8h, v0.8b, v1.8b
define <16 x i16> @uaddl2_8h(<16 x i8> %a, <16 x i8> %b) {
%tmp0 = zext <16 x i8> %a to <16 x i16>
%tmp1 = zext <16 x i8> %b to <16 x i16>
%tmp2 = add <16 x i16> %tmp0, %tmp1
ret <16 x i16> %tmp2
}
; COST-LABEL: uaddl2_4s
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = zext <8 x i16> %a to <8 x i32>
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp1 = zext <8 x i16> %b to <8 x i32>
; CODE-LABEL: uaddl2_4s
; CODE: uaddl2 v2.4s, v0.8h, v1.8h
; CODE-NEXT: uaddl v0.4s, v0.4h, v1.4h
define <8 x i32> @uaddl2_4s(<8 x i16> %a, <8 x i16> %b) {
%tmp0 = zext <8 x i16> %a to <8 x i32>
%tmp1 = zext <8 x i16> %b to <8 x i32>
%tmp2 = add <8 x i32> %tmp0, %tmp1
ret <8 x i32> %tmp2
}
; COST-LABEL: uaddl2_2d
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = zext <4 x i32> %a to <4 x i64>
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp1 = zext <4 x i32> %b to <4 x i64>
; CODE-LABEL: uaddl2_2d
; CODE: uaddl2 v2.2d, v0.4s, v1.4s
; CODE-NEXT: uaddl v0.2d, v0.2s, v1.2s
define <4 x i64> @uaddl2_2d(<4 x i32> %a, <4 x i32> %b) {
%tmp0 = zext <4 x i32> %a to <4 x i64>
%tmp1 = zext <4 x i32> %b to <4 x i64>
%tmp2 = add <4 x i64> %tmp0, %tmp1
ret <4 x i64> %tmp2
}
; COST-LABEL: saddl_8h
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = sext <8 x i8> %a to <8 x i16>
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp1 = sext <8 x i8> %b to <8 x i16>
; CODE-LABEL: saddl_8h
; CODE: saddl v0.8h, v0.8b, v1.8b
define <8 x i16> @saddl_8h(<8 x i8> %a, <8 x i8> %b) {
%tmp0 = sext <8 x i8> %a to <8 x i16>
%tmp1 = sext <8 x i8> %b to <8 x i16>
%tmp2 = add <8 x i16> %tmp0, %tmp1
ret <8 x i16> %tmp2
}
; COST-LABEL: saddl_4s
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = sext <4 x i16> %a to <4 x i32>
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp1 = sext <4 x i16> %b to <4 x i32>
; CODE-LABEL: saddl_4s
; CODE: saddl v0.4s, v0.4h, v1.4h
define <4 x i32> @saddl_4s(<4 x i16> %a, <4 x i16> %b) {
%tmp0 = sext <4 x i16> %a to <4 x i32>
%tmp1 = sext <4 x i16> %b to <4 x i32>
%tmp2 = add <4 x i32> %tmp0, %tmp1
ret <4 x i32> %tmp2
}
; COST-LABEL: saddl_2d
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = sext <2 x i32> %a to <2 x i64>
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp1 = sext <2 x i32> %b to <2 x i64>
; CODE-LABEL: saddl_2d
; CODE: saddl v0.2d, v0.2s, v1.2s
define <2 x i64> @saddl_2d(<2 x i32> %a, <2 x i32> %b) {
%tmp0 = sext <2 x i32> %a to <2 x i64>
%tmp1 = sext <2 x i32> %b to <2 x i64>
%tmp2 = add <2 x i64> %tmp0, %tmp1
ret <2 x i64> %tmp2
}
; COST-LABEL: saddl2_8h
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = sext <16 x i8> %a to <16 x i16>
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp1 = sext <16 x i8> %b to <16 x i16>
; CODE-LABEL: saddl2_8h
; CODE: saddl2 v2.8h, v0.16b, v1.16b
; CODE-NEXT: saddl v0.8h, v0.8b, v1.8b
define <16 x i16> @saddl2_8h(<16 x i8> %a, <16 x i8> %b) {
%tmp0 = sext <16 x i8> %a to <16 x i16>
%tmp1 = sext <16 x i8> %b to <16 x i16>
%tmp2 = add <16 x i16> %tmp0, %tmp1
ret <16 x i16> %tmp2
}
; COST-LABEL: saddl2_4s
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = sext <8 x i16> %a to <8 x i32>
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp1 = sext <8 x i16> %b to <8 x i32>
; CODE-LABEL: saddl2_4s
; CODE: saddl2 v2.4s, v0.8h, v1.8h
; CODE-NEXT: saddl v0.4s, v0.4h, v1.4h
define <8 x i32> @saddl2_4s(<8 x i16> %a, <8 x i16> %b) {
%tmp0 = sext <8 x i16> %a to <8 x i32>
%tmp1 = sext <8 x i16> %b to <8 x i32>
%tmp2 = add <8 x i32> %tmp0, %tmp1
ret <8 x i32> %tmp2
}
; COST-LABEL: saddl2_2d
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = sext <4 x i32> %a to <4 x i64>
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp1 = sext <4 x i32> %b to <4 x i64>
; CODE-LABEL: saddl2_2d
; CODE: saddl2 v2.2d, v0.4s, v1.4s
; CODE-NEXT: saddl v0.2d, v0.2s, v1.2s
define <4 x i64> @saddl2_2d(<4 x i32> %a, <4 x i32> %b) {
%tmp0 = sext <4 x i32> %a to <4 x i64>
%tmp1 = sext <4 x i32> %b to <4 x i64>
%tmp2 = add <4 x i64> %tmp0, %tmp1
ret <4 x i64> %tmp2
}
; COST-LABEL: usubl_8h
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = zext <8 x i8> %a to <8 x i16>
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp1 = zext <8 x i8> %b to <8 x i16>
; CODE-LABEL: usubl_8h
; CODE: usubl v0.8h, v0.8b, v1.8b
define <8 x i16> @usubl_8h(<8 x i8> %a, <8 x i8> %b) {
%tmp0 = zext <8 x i8> %a to <8 x i16>
%tmp1 = zext <8 x i8> %b to <8 x i16>
%tmp2 = sub <8 x i16> %tmp0, %tmp1
ret <8 x i16> %tmp2
}
; COST-LABEL: usubl_4s
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = zext <4 x i16> %a to <4 x i32>
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp1 = zext <4 x i16> %b to <4 x i32>
; CODE-LABEL: usubl_4s
; CODE: usubl v0.4s, v0.4h, v1.4h
define <4 x i32> @usubl_4s(<4 x i16> %a, <4 x i16> %b) {
%tmp0 = zext <4 x i16> %a to <4 x i32>
%tmp1 = zext <4 x i16> %b to <4 x i32>
%tmp2 = sub <4 x i32> %tmp0, %tmp1
ret <4 x i32> %tmp2
}
; COST-LABEL: usubl_2d
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = zext <2 x i32> %a to <2 x i64>
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp1 = zext <2 x i32> %b to <2 x i64>
; CODE-LABEL: usubl_2d
; CODE: usubl v0.2d, v0.2s, v1.2s
define <2 x i64> @usubl_2d(<2 x i32> %a, <2 x i32> %b) {
%tmp0 = zext <2 x i32> %a to <2 x i64>
%tmp1 = zext <2 x i32> %b to <2 x i64>
%tmp2 = sub <2 x i64> %tmp0, %tmp1
ret <2 x i64> %tmp2
}
; COST-LABEL: usubl2_8h
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = zext <16 x i8> %a to <16 x i16>
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp1 = zext <16 x i8> %b to <16 x i16>
; CODE-LABEL: usubl2_8h
; CODE: usubl2 v2.8h, v0.16b, v1.16b
; CODE-NEXT: usubl v0.8h, v0.8b, v1.8b
define <16 x i16> @usubl2_8h(<16 x i8> %a, <16 x i8> %b) {
%tmp0 = zext <16 x i8> %a to <16 x i16>
%tmp1 = zext <16 x i8> %b to <16 x i16>
%tmp2 = sub <16 x i16> %tmp0, %tmp1
ret <16 x i16> %tmp2
}
; COST-LABEL: usubl2_4s
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = zext <8 x i16> %a to <8 x i32>
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp1 = zext <8 x i16> %b to <8 x i32>
; CODE-LABEL: usubl2_4s
; CODE: usubl2 v2.4s, v0.8h, v1.8h
; CODE-NEXT: usubl v0.4s, v0.4h, v1.4h
define <8 x i32> @usubl2_4s(<8 x i16> %a, <8 x i16> %b) {
%tmp0 = zext <8 x i16> %a to <8 x i32>
%tmp1 = zext <8 x i16> %b to <8 x i32>
%tmp2 = sub <8 x i32> %tmp0, %tmp1
ret <8 x i32> %tmp2
}
; COST-LABEL: usubl2_2d
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = zext <4 x i32> %a to <4 x i64>
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp1 = zext <4 x i32> %b to <4 x i64>
; CODE-LABEL: usubl2_2d
; CODE: usubl2 v2.2d, v0.4s, v1.4s
; CODE-NEXT: usubl v0.2d, v0.2s, v1.2s
define <4 x i64> @usubl2_2d(<4 x i32> %a, <4 x i32> %b) {
%tmp0 = zext <4 x i32> %a to <4 x i64>
%tmp1 = zext <4 x i32> %b to <4 x i64>
%tmp2 = sub <4 x i64> %tmp0, %tmp1
ret <4 x i64> %tmp2
}
; COST-LABEL: ssubl_8h
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = sext <8 x i8> %a to <8 x i16>
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp1 = sext <8 x i8> %b to <8 x i16>
; CODE-LABEL: ssubl_8h
; CODE: ssubl v0.8h, v0.8b, v1.8b
define <8 x i16> @ssubl_8h(<8 x i8> %a, <8 x i8> %b) {
%tmp0 = sext <8 x i8> %a to <8 x i16>
%tmp1 = sext <8 x i8> %b to <8 x i16>
%tmp2 = sub <8 x i16> %tmp0, %tmp1
ret <8 x i16> %tmp2
}
; COST-LABEL: ssubl_4s
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = sext <4 x i16> %a to <4 x i32>
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp1 = sext <4 x i16> %b to <4 x i32>
; CODE-LABEL: ssubl_4s
; CODE: ssubl v0.4s, v0.4h, v1.4h
define <4 x i32> @ssubl_4s(<4 x i16> %a, <4 x i16> %b) {
%tmp0 = sext <4 x i16> %a to <4 x i32>
%tmp1 = sext <4 x i16> %b to <4 x i32>
%tmp2 = sub <4 x i32> %tmp0, %tmp1
ret <4 x i32> %tmp2
}
; COST-LABEL: ssubl_2d
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = sext <2 x i32> %a to <2 x i64>
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp1 = sext <2 x i32> %b to <2 x i64>
; CODE-LABEL: ssubl_2d
; CODE: ssubl v0.2d, v0.2s, v1.2s
define <2 x i64> @ssubl_2d(<2 x i32> %a, <2 x i32> %b) {
%tmp0 = sext <2 x i32> %a to <2 x i64>
%tmp1 = sext <2 x i32> %b to <2 x i64>
%tmp2 = sub <2 x i64> %tmp0, %tmp1
ret <2 x i64> %tmp2
}
; COST-LABEL: ssubl2_8h
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = sext <16 x i8> %a to <16 x i16>
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp1 = sext <16 x i8> %b to <16 x i16>
; CODE-LABEL: ssubl2_8h
; CODE: ssubl2 v2.8h, v0.16b, v1.16b
; CODE-NEXT: ssubl v0.8h, v0.8b, v1.8b
define <16 x i16> @ssubl2_8h(<16 x i8> %a, <16 x i8> %b) {
%tmp0 = sext <16 x i8> %a to <16 x i16>
%tmp1 = sext <16 x i8> %b to <16 x i16>
%tmp2 = sub <16 x i16> %tmp0, %tmp1
ret <16 x i16> %tmp2
}
; COST-LABEL: ssubl2_4s
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = sext <8 x i16> %a to <8 x i32>
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp1 = sext <8 x i16> %b to <8 x i32>
; CODE-LABEL: ssubl2_4s
; CODE: ssubl2 v2.4s, v0.8h, v1.8h
; CODE-NEXT: ssubl v0.4s, v0.4h, v1.4h
define <8 x i32> @ssubl2_4s(<8 x i16> %a, <8 x i16> %b) {
%tmp0 = sext <8 x i16> %a to <8 x i32>
%tmp1 = sext <8 x i16> %b to <8 x i32>
%tmp2 = sub <8 x i32> %tmp0, %tmp1
ret <8 x i32> %tmp2
}
; COST-LABEL: ssubl2_2d
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = sext <4 x i32> %a to <4 x i64>
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp1 = sext <4 x i32> %b to <4 x i64>
; CODE-LABEL: ssubl2_2d
; CODE: ssubl2 v2.2d, v0.4s, v1.4s
; CODE-NEXT: ssubl v0.2d, v0.2s, v1.2s
define <4 x i64> @ssubl2_2d(<4 x i32> %a, <4 x i32> %b) {
%tmp0 = sext <4 x i32> %a to <4 x i64>
%tmp1 = sext <4 x i32> %b to <4 x i64>
%tmp2 = sub <4 x i64> %tmp0, %tmp1
ret <4 x i64> %tmp2
}
; COST-LABEL: uaddw_8h
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = zext <8 x i8> %a to <8 x i16>
; CODE-LABEL: uaddw_8h
; CODE: uaddw v0.8h, v1.8h, v0.8b
define <8 x i16> @uaddw_8h(<8 x i8> %a, <8 x i16> %b) {
%tmp0 = zext <8 x i8> %a to <8 x i16>
%tmp1 = add <8 x i16> %b, %tmp0
ret <8 x i16> %tmp1
}
; COST-LABEL: uaddw_4s
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = zext <4 x i16> %a to <4 x i32>
; CODE-LABEL: uaddw_4s
; CODE: uaddw v0.4s, v1.4s, v0.4h
define <4 x i32> @uaddw_4s(<4 x i16> %a, <4 x i32> %b) {
%tmp0 = zext <4 x i16> %a to <4 x i32>
%tmp1 = add <4 x i32> %b, %tmp0
ret <4 x i32> %tmp1
}
; COST-LABEL: uaddw_2d
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = zext <2 x i32> %a to <2 x i64>
; CODE-LABEL: uaddw_2d
; CODE: uaddw v0.2d, v1.2d, v0.2s
define <2 x i64> @uaddw_2d(<2 x i32> %a, <2 x i64> %b) {
%tmp0 = zext <2 x i32> %a to <2 x i64>
%tmp1 = add <2 x i64> %b, %tmp0
ret <2 x i64> %tmp1
}
; COST-LABEL: uaddw2_8h
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = zext <16 x i8> %a to <16 x i16>
; CODE-LABEL: uaddw2_8h
; CODE: uaddw2 v2.8h, v2.8h, v0.16b
; CODE-NEXT: uaddw v0.8h, v1.8h, v0.8b
define <16 x i16> @uaddw2_8h(<16 x i8> %a, <16 x i16> %b) {
%tmp0 = zext <16 x i8> %a to <16 x i16>
%tmp1 = add <16 x i16> %b, %tmp0
ret <16 x i16> %tmp1
}
; COST-LABEL: uaddw2_4s
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = zext <8 x i16> %a to <8 x i32>
; CODE-LABEL: uaddw2_4s
; CODE: uaddw2 v2.4s, v2.4s, v0.8h
; CODE-NEXT: uaddw v0.4s, v1.4s, v0.4h
define <8 x i32> @uaddw2_4s(<8 x i16> %a, <8 x i32> %b) {
%tmp0 = zext <8 x i16> %a to <8 x i32>
%tmp1 = add <8 x i32> %b, %tmp0
ret <8 x i32> %tmp1
}
; COST-LABEL: uaddw2_2d
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = zext <4 x i32> %a to <4 x i64>
; CODE-LABEL: uaddw2_2d
; CODE: uaddw2 v2.2d, v2.2d, v0.4s
; CODE-NEXT: uaddw v0.2d, v1.2d, v0.2s
define <4 x i64> @uaddw2_2d(<4 x i32> %a, <4 x i64> %b) {
%tmp0 = zext <4 x i32> %a to <4 x i64>
%tmp1 = add <4 x i64> %b, %tmp0
ret <4 x i64> %tmp1
}
; COST-LABEL: saddw_8h
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = sext <8 x i8> %a to <8 x i16>
; CODE-LABEL: saddw_8h
; CODE: saddw v0.8h, v1.8h, v0.8b
define <8 x i16> @saddw_8h(<8 x i8> %a, <8 x i16> %b) {
%tmp0 = sext <8 x i8> %a to <8 x i16>
%tmp1 = add <8 x i16> %b, %tmp0
ret <8 x i16> %tmp1
}
; COST-LABEL: saddw_4s
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = sext <4 x i16> %a to <4 x i32>
; CODE-LABEL: saddw_4s
; CODE: saddw v0.4s, v1.4s, v0.4h
define <4 x i32> @saddw_4s(<4 x i16> %a, <4 x i32> %b) {
%tmp0 = sext <4 x i16> %a to <4 x i32>
%tmp1 = add <4 x i32> %b, %tmp0
ret <4 x i32> %tmp1
}
; COST-LABEL: saddw_2d
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = sext <2 x i32> %a to <2 x i64>
; CODE-LABEL: saddw_2d
; CODE: saddw v0.2d, v1.2d, v0.2s
define <2 x i64> @saddw_2d(<2 x i32> %a, <2 x i64> %b) {
%tmp0 = sext <2 x i32> %a to <2 x i64>
%tmp1 = add <2 x i64> %b, %tmp0
ret <2 x i64> %tmp1
}
; COST-LABEL: saddw2_8h
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = sext <16 x i8> %a to <16 x i16>
; CODE-LABEL: saddw2_8h
; CODE: saddw2 v2.8h, v2.8h, v0.16b
; CODE-NEXT: saddw v0.8h, v1.8h, v0.8b
define <16 x i16> @saddw2_8h(<16 x i8> %a, <16 x i16> %b) {
%tmp0 = sext <16 x i8> %a to <16 x i16>
%tmp1 = add <16 x i16> %b, %tmp0
ret <16 x i16> %tmp1
}
; COST-LABEL: saddw2_4s
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = sext <8 x i16> %a to <8 x i32>
; CODE-LABEL: saddw2_4s
; CODE: saddw2 v2.4s, v2.4s, v0.8h
; CODE-NEXT: saddw v0.4s, v1.4s, v0.4h
define <8 x i32> @saddw2_4s(<8 x i16> %a, <8 x i32> %b) {
%tmp0 = sext <8 x i16> %a to <8 x i32>
%tmp1 = add <8 x i32> %b, %tmp0
ret <8 x i32> %tmp1
}
; COST-LABEL: saddw2_2d
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = sext <4 x i32> %a to <4 x i64>
; CODE-LABEL: saddw2_2d
; CODE: saddw2 v2.2d, v2.2d, v0.4s
; CODE-NEXT: saddw v0.2d, v1.2d, v0.2s
define <4 x i64> @saddw2_2d(<4 x i32> %a, <4 x i64> %b) {
%tmp0 = sext <4 x i32> %a to <4 x i64>
%tmp1 = add <4 x i64> %b, %tmp0
ret <4 x i64> %tmp1
}
; COST-LABEL: usubw_8h
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = zext <8 x i8> %a to <8 x i16>
; CODE-LABEL: usubw_8h
; CODE: usubw v0.8h, v1.8h, v0.8b
define <8 x i16> @usubw_8h(<8 x i8> %a, <8 x i16> %b) {
%tmp0 = zext <8 x i8> %a to <8 x i16>
%tmp1 = sub <8 x i16> %b, %tmp0
ret <8 x i16> %tmp1
}
; COST-LABEL: usubw_4s
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = zext <4 x i16> %a to <4 x i32>
; CODE-LABEL: usubw_4s
; CODE: usubw v0.4s, v1.4s, v0.4h
define <4 x i32> @usubw_4s(<4 x i16> %a, <4 x i32> %b) {
%tmp0 = zext <4 x i16> %a to <4 x i32>
%tmp1 = sub <4 x i32> %b, %tmp0
ret <4 x i32> %tmp1
}
; COST-LABEL: usubw_2d
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = zext <2 x i32> %a to <2 x i64>
; CODE-LABEL: usubw_2d
; CODE: usubw v0.2d, v1.2d, v0.2s
define <2 x i64> @usubw_2d(<2 x i32> %a, <2 x i64> %b) {
%tmp0 = zext <2 x i32> %a to <2 x i64>
%tmp1 = sub <2 x i64> %b, %tmp0
ret <2 x i64> %tmp1
}
; COST-LABEL: usubw2_8h
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = zext <16 x i8> %a to <16 x i16>
; CODE-LABEL: usubw2_8h
; CODE: usubw2 v2.8h, v2.8h, v0.16b
; CODE-NEXT: usubw v0.8h, v1.8h, v0.8b
define <16 x i16> @usubw2_8h(<16 x i8> %a, <16 x i16> %b) {
%tmp0 = zext <16 x i8> %a to <16 x i16>
%tmp1 = sub <16 x i16> %b, %tmp0
ret <16 x i16> %tmp1
}
; COST-LABEL: usubw2_4s
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = zext <8 x i16> %a to <8 x i32>
; CODE-LABEL: usubw2_4s
; CODE: usubw2 v2.4s, v2.4s, v0.8h
; CODE-NEXT: usubw v0.4s, v1.4s, v0.4h
define <8 x i32> @usubw2_4s(<8 x i16> %a, <8 x i32> %b) {
%tmp0 = zext <8 x i16> %a to <8 x i32>
%tmp1 = sub <8 x i32> %b, %tmp0
ret <8 x i32> %tmp1
}
; COST-LABEL: usubw2_2d
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = zext <4 x i32> %a to <4 x i64>
; CODE-LABEL: usubw2_2d
; CODE: usubw2 v2.2d, v2.2d, v0.4s
; CODE-NEXT: usubw v0.2d, v1.2d, v0.2s
define <4 x i64> @usubw2_2d(<4 x i32> %a, <4 x i64> %b) {
%tmp0 = zext <4 x i32> %a to <4 x i64>
%tmp1 = sub <4 x i64> %b, %tmp0
ret <4 x i64> %tmp1
}
; COST-LABEL: ssubw_8h
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = sext <8 x i8> %a to <8 x i16>
; CODE-LABEL: ssubw_8h
; CODE: ssubw v0.8h, v1.8h, v0.8b
define <8 x i16> @ssubw_8h(<8 x i8> %a, <8 x i16> %b) {
%tmp0 = sext <8 x i8> %a to <8 x i16>
%tmp1 = sub <8 x i16> %b, %tmp0
ret <8 x i16> %tmp1
}
; COST-LABEL: ssubw_4s
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = sext <4 x i16> %a to <4 x i32>
; CODE-LABEL: ssubw_4s
; CODE: ssubw v0.4s, v1.4s, v0.4h
define <4 x i32> @ssubw_4s(<4 x i16> %a, <4 x i32> %b) {
%tmp0 = sext <4 x i16> %a to <4 x i32>
%tmp1 = sub <4 x i32> %b, %tmp0
ret <4 x i32> %tmp1
}
; COST-LABEL: ssubw_2d
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = sext <2 x i32> %a to <2 x i64>
; CODE-LABEL: ssubw_2d
; CODE: ssubw v0.2d, v1.2d, v0.2s
define <2 x i64> @ssubw_2d(<2 x i32> %a, <2 x i64> %b) {
%tmp0 = sext <2 x i32> %a to <2 x i64>
%tmp1 = sub <2 x i64> %b, %tmp0
ret <2 x i64> %tmp1
}
; COST-LABEL: ssubw2_8h
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = sext <16 x i8> %a to <16 x i16>
; CODE-LABEL: ssubw2_8h
; CODE: ssubw2 v2.8h, v2.8h, v0.16b
; CODE-NEXT: ssubw v0.8h, v1.8h, v0.8b
define <16 x i16> @ssubw2_8h(<16 x i8> %a, <16 x i16> %b) {
%tmp0 = sext <16 x i8> %a to <16 x i16>
%tmp1 = sub <16 x i16> %b, %tmp0
ret <16 x i16> %tmp1
}
; COST-LABEL: ssubw2_4s
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = sext <8 x i16> %a to <8 x i32>
; CODE-LABEL: ssubw2_4s
; CODE: ssubw2 v2.4s, v2.4s, v0.8h
; CODE-NEXT: ssubw v0.4s, v1.4s, v0.4h
define <8 x i32> @ssubw2_4s(<8 x i16> %a, <8 x i32> %b) {
%tmp0 = sext <8 x i16> %a to <8 x i32>
%tmp1 = sub <8 x i32> %b, %tmp0
ret <8 x i32> %tmp1
}
; COST-LABEL: ssubw2_2d
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp0 = sext <4 x i32> %a to <4 x i64>
; CODE-LABEL: ssubw2_2d
; CODE: ssubw2 v2.2d, v2.2d, v0.4s
; CODE-NEXT: ssubw v0.2d, v1.2d, v0.2s
define <4 x i64> @ssubw2_2d(<4 x i32> %a, <4 x i64> %b) {
%tmp0 = sext <4 x i32> %a to <4 x i64>
%tmp1 = sub <4 x i64> %b, %tmp0
ret <4 x i64> %tmp1
}
; COST-LABEL: neg_wrong_operand_order
; COST-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %tmp0 = zext <8 x i8> %a to <8 x i16>
define <8 x i16> @neg_wrong_operand_order(<8 x i8> %a, <8 x i16> %b) {
%tmp0 = zext <8 x i8> %a to <8 x i16>
%tmp1 = sub <8 x i16> %tmp0, %b
ret <8 x i16> %tmp1
}
; COST-LABEL: neg_non_widening_op
; COST-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %tmp0 = zext <8 x i8> %a to <8 x i16>
define <8 x i16> @neg_non_widening_op(<8 x i8> %a, <8 x i16> %b) {
%tmp0 = zext <8 x i8> %a to <8 x i16>
%tmp1 = udiv <8 x i16> %b, %tmp0
ret <8 x i16> %tmp1
}
; COST-LABEL: neg_dissimilar_operand_kind_0
; COST-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %tmp0 = sext <8 x i8> %a to <8 x i16>
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp1 = zext <8 x i8> %b to <8 x i16>
define <8 x i16> @neg_dissimilar_operand_kind_0(<8 x i8> %a, <8 x i8> %b) {
%tmp0 = sext <8 x i8> %a to <8 x i16>
%tmp1 = zext <8 x i8> %b to <8 x i16>
%tmp2 = add <8 x i16> %tmp0, %tmp1
ret <8 x i16> %tmp2
}
; COST-LABEL: neg_dissimilar_operand_kind_1
; COST-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %tmp0 = zext <4 x i8> %a to <4 x i32>
; COST-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %tmp1 = zext <4 x i16> %b to <4 x i32>
define <4 x i32> @neg_dissimilar_operand_kind_1(<4 x i8> %a, <4 x i16> %b) {
%tmp0 = zext <4 x i8> %a to <4 x i32>
%tmp1 = zext <4 x i16> %b to <4 x i32>
%tmp2 = add <4 x i32> %tmp0, %tmp1
ret <4 x i32> %tmp2
}
; COST-LABEL: neg_illegal_vector_type_0
; COST-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %tmp0 = zext <16 x i4> %a to <16 x i8>
define <16 x i8> @neg_illegal_vector_type_0(<16 x i4> %a, <16 x i8> %b) {
%tmp0 = zext <16 x i4> %a to <16 x i8>
%tmp1 = sub <16 x i8> %b, %tmp0
ret <16 x i8> %tmp1
}
; COST-LABEL: neg_llegal_vector_type_1
; COST-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %tmp0 = zext <1 x i16> %a to <1 x i32>
define <1 x i32> @neg_llegal_vector_type_1(<1 x i16> %a, <1 x i32> %b) {
%tmp0 = zext <1 x i16> %a to <1 x i32>
%tmp1 = add <1 x i32> %b, %tmp0
ret <1 x i32> %tmp1
}
; COST-LABEL: neg_llegal_vector_type_2
; COST-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %tmp0 = zext <4 x i16> %a to <4 x i64>
define <4 x i64> @neg_llegal_vector_type_2(<4 x i16> %a, <4 x i64> %b) {
%tmp0 = zext <4 x i16> %a to <4 x i64>
%tmp1 = add <4 x i64> %b, %tmp0
ret <4 x i64> %tmp1
}
; COST-LABEL: neg_llegal_vector_type_3
; COST-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %tmp0 = zext <3 x i34> %a to <3 x i68>
define <3 x i68> @neg_llegal_vector_type_3(<3 x i34> %a, <3 x i68> %b) {
%tmp0 = zext <3 x i34> %a to <3 x i68>
%tmp1 = add <3 x i68> %b, %tmp0
ret <3 x i68> %tmp1
}
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