File: zext-logic-shift-load.ll

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,436 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
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
}