File: vec_shuffle-24.ll

package info (click to toggle)
llvm-2.9 2.9%2Bdfsg-7
  • links: PTS, VCS
  • area: main
  • in suites: wheezy
  • size: 69,236 kB
  • sloc: cpp: 439,289; ansic: 16,211; asm: 13,295; sh: 12,912; python: 4,459; ml: 4,274; perl: 2,093; makefile: 1,808; pascal: 1,481; exp: 427; objc: 334; xml: 283; ada: 235; lisp: 187; csh: 117; f90: 36
file content (18 lines) | stat: -rw-r--r-- 793 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
; RUN: llc < %s -march=x86 -mattr=+sse2 | FileCheck %s

define i32 @t() nounwind optsize {
entry:
; CHECK: punpckldq
	%a = alloca <4 x i32>		; <<4 x i32>*> [#uses=2]
	%b = alloca <4 x i32>		; <<4 x i32>*> [#uses=5]
	volatile store <4 x i32> < i32 0, i32 1, i32 2, i32 3 >, <4 x i32>* %a
	%tmp = load <4 x i32>* %a		; <<4 x i32>> [#uses=1]
	store <4 x i32> %tmp, <4 x i32>* %b
	%tmp1 = load <4 x i32>* %b		; <<4 x i32>> [#uses=1]
	%tmp2 = load <4 x i32>* %b		; <<4 x i32>> [#uses=1]
	%punpckldq = shufflevector <4 x i32> %tmp1, <4 x i32> %tmp2, <4 x i32> < i32 0, i32 4, i32 1, i32 5 >		; <<4 x i32>> [#uses=1]
	store <4 x i32> %punpckldq, <4 x i32>* %b
	%tmp3 = load <4 x i32>* %b		; <<4 x i32>> [#uses=1]
	%result = extractelement <4 x i32> %tmp3, i32 0		; <i32> [#uses=1]
	ret i32 %result
}