File: zext-logic-shift-load.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 (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
}