File: sub1.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (16 lines) | stat: -rw-r--r-- 468 bytes parent folder | download | duplicates (3) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
 
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=aarch64-unknown-unknown | FileCheck %s

define i64 @sub1_disguised_constant(i64 %x) {
; CHECK-LABEL: sub1_disguised_constant:
; CHECK:       // %bb.0:
; CHECK-NEXT:    sub w8, w0, #1
; CHECK-NEXT:    and w8, w0, w8
; CHECK-NEXT:    and x0, x8, #0xffff
; CHECK-NEXT:    ret
  %a1 = and i64 %x, 65535
  %a2 = add i64 %x, 65535
  %r = and i64 %a1, %a2
  ret i64 %r
}