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v16i8 splat with 2 punpcklbw and a single pshufd.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27877 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2006-04-20 09:05:16 +00:00
parent 46d1d66009
commit 5328031c48
1 changed files with 26 additions and 0 deletions
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26
test/CodeGen/X86/vec_splat-2.ll Normal file
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; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep pshufd | wc -l | grep 1
void %test(<2 x long>* %P, sbyte %x) {
%tmp = insertelement <16 x sbyte> zeroinitializer, sbyte %x, uint 0 ; <<16 x sbyte>> [#uses=1]
%tmp36 = insertelement <16 x sbyte> %tmp, sbyte %x, uint 1
%tmp38 = insertelement <16 x sbyte> %tmp36, sbyte %x, uint 2
%tmp40 = insertelement <16 x sbyte> %tmp38, sbyte %x, uint 3
%tmp42 = insertelement <16 x sbyte> %tmp40, sbyte %x, uint 4
%tmp44 = insertelement <16 x sbyte> %tmp42, sbyte %x, uint 5
%tmp46 = insertelement <16 x sbyte> %tmp44, sbyte %x, uint 6
%tmp48 = insertelement <16 x sbyte> %tmp46, sbyte %x, uint 7
%tmp50 = insertelement <16 x sbyte> %tmp48, sbyte %x, uint 8
%tmp52 = insertelement <16 x sbyte> %tmp50, sbyte %x, uint 9
%tmp54 = insertelement <16 x sbyte> %tmp52, sbyte %x, uint 10
%tmp56 = insertelement <16 x sbyte> %tmp54, sbyte %x, uint 11
%tmp58 = insertelement <16 x sbyte> %tmp56, sbyte %x, uint 12
%tmp60 = insertelement <16 x sbyte> %tmp58, sbyte %x, uint 13
%tmp62 = insertelement <16 x sbyte> %tmp60, sbyte %x, uint 14
%tmp64 = insertelement <16 x sbyte> %tmp62, sbyte %x, uint 15
%tmp68 = load <2 x long>* %P
%tmp71 = cast <2 x long> %tmp68 to <16 x sbyte>
%tmp73 = add <16 x sbyte> %tmp71, %tmp64
%tmp73 = cast <16 x sbyte> %tmp73 to <2 x long>
store <2 x long> %tmp73, <2 x long>* %P
ret void
}