Mercurial > hg > CbC > CbC_llvm
view test/CodeGen/AArch64/neon-idiv.ll @ 147:c2174574ed3a
LLVM 10
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Wed, 14 Aug 2019 16:55:33 +0900 |
parents | 54457678186b |
children |
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; RUN: llc -mtriple=aarch64-none-linux-gnu < %s -mattr=+neon | FileCheck %s define <4 x i32> @test1(<4 x i32> %a) { %rem = srem <4 x i32> %a, <i32 7, i32 7, i32 7, i32 7> ret <4 x i32> %rem ; For C constant X/C is simplified to X-X/C*C. The X/C division is lowered ; to MULHS due the simplification by multiplying by a magic number ; (TargetLowering::BuildSDIV). ; CHECK-LABEL: test1: ; CHECK: smull2 [[SMULL2:(v[0-9]+)]].2d, {{v[0-9]+}}.4s, {{v[0-9]+}}.4s ; CHECK: smull [[SMULL:(v[0-9]+)]].2d, {{v[0-9]+}}.2s, {{v[0-9]+}}.2s ; CHECK: uzp2 [[UZP2:(v[0-9]+).4s]], [[SMULL]].4s, [[SMULL2]].4s ; CHECK: add [[ADD:(v[0-9]+.4s)]], [[UZP2]], v0.4s ; CHECK: sshr [[SSHR:(v[0-9]+.4s)]], [[ADD]], #2 }