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test vperm promotion

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27454 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-04-06 19:21:02 +00:00
parent 58d665c182
commit c0d2021f0a
1 changed files with 16 additions and 0 deletions
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16
test/CodeGen/PowerPC/vec_shuffle.ll
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@ -1,4 +1,5 @@
; RUN: llvm-as < %s | llc -march=ppc32 -mcpu=g5 | grep vsldoi | wc -l | grep 2
; RUN: llvm-as < %s | opt -instcombine | llc -march=ppc32 -mcpu=g5 | not grep vperm
void %VSLDOI_xy(<8 x short>* %A, <8 x short>* %B) {
entry:
@ -84,3 +85,18 @@ void %VSLDOI_xx(<8 x short>* %A, <8 x short>* %B) {
store <8 x short> %tmp33, <8 x short>* %A
ret void
}
void %VPERM_promote(<8 x short>* %A, <8 x short>* %B) {
entry:
%tmp = load <8 x short>* %A ; <<8 x short>> [#uses=1]
%tmp = cast <8 x short> %tmp to <4 x int> ; <<4 x int>> [#uses=1]
%tmp2 = load <8 x short>* %B ; <<8 x short>> [#uses=1]
%tmp2 = cast <8 x short> %tmp2 to <4 x int> ; <<4 x int>> [#uses=1]
%tmp3 = call <4 x int> %llvm.ppc.altivec.vperm( <4 x int> %tmp, <4 x int> %tmp2, <16 x sbyte> < sbyte 14, sbyte 14, sbyte 14, sbyte 14, sbyte 14, sbyte 14, sbyte 14, sbyte 14, sbyte 14, sbyte 14, sbyte 14, sbyte 14, sbyte 14, sbyte 14, sbyte 14, sbyte 14 > ) ; <<4 x int>> [#uses=1]
%tmp3 = cast <4 x int> %tmp3 to <8 x short> ; <<8 x short>> [#uses=1]
store <8 x short> %tmp3, <8 x short>* %A
ret void
}
declare <4 x int> %llvm.ppc.altivec.vperm(<4 x int>, <4 x int>, <16 x sbyte>)