File: vec_shuffle_p8vector_le.ll

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llvm-toolchain-7 1%3A7.0.1-8
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; RUN: llc -verify-machineinstrs -mcpu=pwr8 -mtriple=powerpc64le-unknown-linux-gnu -mattr=+power8-vector < %s | FileCheck %s

define void @VPKUDUM_unary(<2 x i64>* %A) {
entry:
	%tmp = load <2 x i64>, <2 x i64>* %A
	%tmp2 = bitcast <2 x i64> %tmp to <4 x i32>
	%tmp3 = extractelement <4 x i32> %tmp2, i32 0
	%tmp4 = extractelement <4 x i32> %tmp2, i32 2
	%tmp5 = insertelement <4 x i32> undef, i32 %tmp3, i32 0
	%tmp6 = insertelement <4 x i32> %tmp5, i32 %tmp4, i32 1
	%tmp7 = insertelement <4 x i32> %tmp6, i32 %tmp3, i32 2
	%tmp8 = insertelement <4 x i32> %tmp7, i32 %tmp4, i32 3
	%tmp9 = bitcast <4 x i32> %tmp8 to <2 x i64>
	store <2 x i64> %tmp9, <2 x i64>* %A
	ret void
}

; CHECK-LABEL: @VPKUDUM_unary
; CHECK-NOT:   vperm
; CHECK:       vpkudum

define void @VPKUDUM(<2 x i64>* %A, <2 x i64>* %B) {
entry:
	%tmp = load <2 x i64>, <2 x i64>* %A
	%tmp2 = bitcast <2 x i64> %tmp to <4 x i32>
        %tmp3 = load <2 x i64>, <2 x i64>* %B
        %tmp4 = bitcast <2 x i64> %tmp3 to <4 x i32>
	%tmp5 = extractelement <4 x i32> %tmp2, i32 0
	%tmp6 = extractelement <4 x i32> %tmp2, i32 2
	%tmp7 = extractelement <4 x i32> %tmp4, i32 0
	%tmp8 = extractelement <4 x i32> %tmp4, i32 2
	%tmp9 = insertelement <4 x i32> undef, i32 %tmp5, i32 0
	%tmp10 = insertelement <4 x i32> %tmp9, i32 %tmp6, i32 1
	%tmp11 = insertelement <4 x i32> %tmp10, i32 %tmp7, i32 2
	%tmp12 = insertelement <4 x i32> %tmp11, i32 %tmp8, i32 3
	%tmp13 = bitcast <4 x i32> %tmp12 to <2 x i64>
	store <2 x i64> %tmp13, <2 x i64>* %A
	ret void
}

; CHECK-LABEL: @VPKUDUM
; CHECK-NOT:   vperm
; CHECK:       vpkudum