File: vec_shuffle-24.ll

package info (click to toggle)
llvm-2.7 2.7-6
  • links: PTS
  • area: main
  • in suites: squeeze
  • size: 59,992 kB
  • ctags: 49,499
  • sloc: cpp: 373,792; ansic: 16,885; sh: 12,614; asm: 6,809; ada: 3,083; ml: 2,942; python: 2,671; perl: 2,404; makefile: 1,691; pascal: 1,235; exp: 399; objc: 291; lisp: 184; csh: 117; xml: 38; f90: 36
file content (17 lines) | stat: -rw-r--r-- 778 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
; RUN: llc < %s -march=x86 -mattr=+sse2  |     grep punpck

define i32 @t() nounwind optsize {
entry:
	%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
}