File: neon-idiv.ll

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (15 lines) | stat: -rw-r--r-- 707 bytes parent folder | download | duplicates (26)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
; 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
}