File: bit-extractu-half.ll

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 733,456 kB
  • sloc: cpp: 3,776,651; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; ruby: 156
file content (13 lines) | stat: -rw-r--r-- 341 bytes parent folder | download | duplicates (32) 
1
2
3
4
5
6
7
8
9
10
11
12
13
 
; RUN: llc -march=hexagon < %s | FileCheck %s
; Pick lsr (in bit-simplification) for extracting high halfword.
; CHECK: lsr{{.*}}#16

define i32 @foo(i32 %x) #0 {
  %a = call i32 @llvm.hexagon.S2.extractu(i32 %x, i32 16, i32 16)
  ret i32 %a
}

declare i32 @llvm.hexagon.S2.extractu(i32, i32, i32) #0

attributes #0 = { nounwind readnone }