new testcase, these shuffles can be implemented with discrete instructions,

and shouldn't be lowered to vperm.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27747 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-04-17 05:27:31 +00:00
parent cffeb86169
commit c3b5ad944c

View File

@ -0,0 +1,43 @@
; RUN: llvm-as < %s | llc -march=ppc32 -mcpu=g5 &&
; RUN: llvm-as < %s | llc -march=ppc32 -mcpu=g5 | not grep vperm
<4 x float> %test_uu72(<4 x float> *%P1, <4 x float> *%P2) {
%V1 = load <4 x float> *%P1
%V2 = load <4 x float> *%P2
; vmrglw + vsldoi
%V3 = shufflevector <4 x float> %V1, <4 x float> %V2,
<4 x uint> <uint undef, uint undef, uint 7, uint 2>
ret <4 x float> %V3
}
<4 x float> %test_30u5(<4 x float> *%P1, <4 x float> *%P2) {
%V1 = load <4 x float> *%P1
%V2 = load <4 x float> *%P2
%V3 = shufflevector <4 x float> %V1, <4 x float> %V2,
<4 x uint> <uint 3, uint 0, uint undef, uint 5>
ret <4 x float> %V3
}
<4 x float> %test_3u73(<4 x float> *%P1, <4 x float> *%P2) {
%V1 = load <4 x float> *%P1
%V2 = load <4 x float> *%P2
%V3 = shufflevector <4 x float> %V1, <4 x float> %V2,
<4 x uint> <uint 3, uint undef, uint 7, uint 3>
ret <4 x float> %V3
}
<4 x float> %test_3774(<4 x float> *%P1, <4 x float> *%P2) {
%V1 = load <4 x float> *%P1
%V2 = load <4 x float> *%P2
%V3 = shufflevector <4 x float> %V1, <4 x float> %V2,
<4 x uint> <uint 3, uint 7, uint 7, uint 4>
ret <4 x float> %V3
}
<4 x float> %test_4450(<4 x float> *%P1, <4 x float> *%P2) {
%V1 = load <4 x float> *%P1
%V2 = load <4 x float> *%P2
%V3 = shufflevector <4 x float> %V1, <4 x float> %V2,
<4 x uint> <uint 4, uint 4, uint 5, uint 0>
ret <4 x float> %V3
}