File: zext-logic-shift-load.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2~deb10u1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 995,836 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 (17 lines) | stat: -rw-r--r-- 324 bytes parent folder | download | duplicates (14)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
; RUN: llc -mtriple=armv7-linux-gnu < %s -o - | FileCheck %s

define void @test1(i8* %p, i16* %q) {
; CHECK:       ldrb
; CHECK-NEXT:  mov
; CHECK-NEXT:  and
; CHECK-NEXT:  strh
; CHECK-NEXT:  bx

  %1 = load i8, i8* %p
  %2 = shl i8 %1, 2
  %3 = and i8 %2, 12
  %4 = zext i8 %3 to i16
  store i16 %4, i16* %q
  ret void
}