1 ; RUN: llc -mtriple=aarch64-none-linux-gnu < %s -mattr=+neon | FileCheck %s 2 3 define <4 x i32> @test1(<4 x i32> %a) { 4 %rem = srem <4 x i32> %a, <i32 7, i32 7, i32 7, i32 7> 5 ret <4 x i32> %rem 6 ; For C constant X/C is simplified to X-X/C*C. The X/C division is lowered 7 ; to MULHS due the simplification by multiplying by a magic number 8 ; (TargetLowering::BuildSDIV). 9 ; CHECK-LABEL: test1: 10 ; CHECK: smull2 [[SMULL2:(v[0-9]+)]].2d, {{v[0-9]+}}.4s, {{v[0-9]+}}.4s 11 ; CHECK: smull [[SMULL:(v[0-9]+)]].2d, {{v[0-9]+}}.2s, {{v[0-9]+}}.2s 12 ; CHECK: uzp2 [[UZP2:(v[0-9]+).4s]], [[SMULL]].4s, [[SMULL2]].4s 13 ; CHECK: add [[ADD:(v[0-9]+.4s)]], [[UZP2]], v0.4s 14 ; CHECK: sshr [[SSHR:(v[0-9]+.4s)]], [[ADD]], #2 15 } 16
