File: signext-inreg.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 1,998,492 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (18 lines) | stat: -rw-r--r-- 701 bytes parent folder | download | duplicates (16)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=armv8 | FileCheck %s
; RUN: llc < %s -mtriple=armv8 -early-live-intervals -verify-machineinstrs | FileCheck %s
define <4 x i32> @test(<4 x i32> %m) {
; CHECK-LABEL: test:
; CHECK:       @ %bb.0: @ %entry
; CHECK-NEXT:    vmov d17, r2, r3
; CHECK-NEXT:    vmov d16, r0, r1
; CHECK-NEXT:    vshl.i32 q8, q8, #24
; CHECK-NEXT:    vshr.s32 q8, q8, #24
; CHECK-NEXT:    vmov r0, r1, d16
; CHECK-NEXT:    vmov r2, r3, d17
; CHECK-NEXT:    bx lr
entry:
  %shl = shl <4 x i32> %m, <i32 24, i32 24, i32 24, i32 24>
  %shr = ashr exact <4 x i32> %shl, <i32 24, i32 24, i32 24, i32 24>
  ret <4 x i32> %shr
}