File: zext-logic-shift-load.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (14 lines) | stat: -rw-r--r-- 257 bytes parent folder | download | duplicates (14) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
 
; RUN: llc -mtriple=aarch64-linux-gnu < %s -o - | FileCheck %s

define i32 @test1(i8* %p) {
; CHECK:       ldrb
; CHECK-NEXT:  ubfx
; CHECK-NEXT:  ret

  %1 = load i8, i8* %p
  %2 = lshr i8 %1, 1
  %3 = and i8 %2, 1
  %4 = zext i8 %3 to i32
  ret i32 %4
}