File: shift-pair.ll

package info (click to toggle)
llvm-3.1 3.1-1
  • links: PTS, VCS
  • area: main
  • in suites: wheezy
  • size: 80,224 kB
  • sloc: cpp: 491,014; asm: 110,971; ansic: 14,579; sh: 13,120; python: 6,152; ml: 4,719; makefile: 1,830; pascal: 1,553; perl: 874; xml: 283; lisp: 187; csh: 117; exp: 4
file content (11 lines) | stat: -rw-r--r-- 204 bytes parent folder | download | duplicates (6) 
1
2
3
4
5
6
7
8
9
10
11
 
; RUN: llc < %s -march=x86-64 | FileCheck %s

define i64 @test(i64 %A) {
; CHECK: @test
; CHECK: shrq $54
; CHECK: andq $1020
; CHECK: ret
    %B = lshr i64 %A, 56
    %C = shl i64 %B, 2
    ret i64 %C
}