Files
clang-p2996/llvm/test/Analysis/CostModel/AArch64/div_cte.ll
David Green 65c0e45a37 [AArch64] Vector shifts cost 1
The costs of vector shifts was 2 as opposed to 1, as the nodes are
marked custom. Fix this like the others and mark the nodes as cheap.

Differential Revision: https://reviews.llvm.org/D120773
2022-03-03 10:42:57 +00:00

46 lines
2.1 KiB
LLVM

; RUN: opt -passes='print<cost-model>' 2>&1 -disable-output -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: function 'sdiv8xi16'
; CHECK: Found an estimated cost of 7 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: function 'sdiv16xi8'
; CHECK: Found an estimated cost of 7 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: function 'sdiv32xi4'
; CHECK: Found an estimated cost of 7 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: function 'udiv8xi16'
; CHECK: Found an estimated cost of 7 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: function 'udiv16xi8'
; CHECK: Found an estimated cost of 7 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: function 'udiv32xi4'
; CHECK: Found an estimated cost of 7 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
}