Mercurial > hg > CbC > CbC_llvm
view test/CodeGen/AArch64/aarch64-wide-shuffle.ll @ 100:7d135dc70f03 LLVM 3.9
LLVM 3.9
author | Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp> |
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date | Tue, 26 Jan 2016 22:53:40 +0900 |
parents | 60c9769439b8 |
children |
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; RUN: llc < %s | FileCheck %s target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128" target triple = "aarch64-unknown-linux-gnu" define <4 x i16> @f(<4 x i32> %vqdmlal_v3.i, <8 x i16> %x5) { entry: ; Check that we don't just dup the input vector. The code emitted is ext, dup, ext, ext ; but only match the last three instructions as the first two could be combined to ; a dup2 at some stage. ; CHECK: dup ; CHECK: ext ; CHECK: ext %x4 = extractelement <4 x i32> %vqdmlal_v3.i, i32 2 %vgetq_lane = trunc i32 %x4 to i16 %vecinit.i = insertelement <4 x i16> undef, i16 %vgetq_lane, i32 0 %vecinit2.i = insertelement <4 x i16> %vecinit.i, i16 %vgetq_lane, i32 2 %vecinit3.i = insertelement <4 x i16> %vecinit2.i, i16 %vgetq_lane, i32 3 %vgetq_lane261 = extractelement <8 x i16> %x5, i32 0 %vset_lane267 = insertelement <4 x i16> %vecinit3.i, i16 %vgetq_lane261, i32 1 ret <4 x i16> %vset_lane267 }