llvm-6502/test/Transforms/InstCombine/vec_shuffle2.ll
Dan Gohman f2f6ce65b7 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-11 18:01:28 +00:00

19 lines
898 B
LLVM

; RUN: opt < %s -instcombine -S | grep undef | count 1
; END.
; Test fold of two shuffles where the first shuffle vectors inputs are a
; different length then the second.
define void @test_cl(<4 x i8> addrspace(1)* %dest, <16 x i8> addrspace(1)* %old) nounwind {
entry:
%arrayidx = getelementptr <4 x i8> addrspace(1)* %dest, i32 0 ; <<4 x i8> addrspace(1)*> [#uses=1]
%arrayidx5 = getelementptr <16 x i8> addrspace(1)* %old, i32 0 ; <<16 x i8> addrspace(1)*> [#uses=1]
%tmp6 = load <16 x i8> addrspace(1)* %arrayidx5 ; <<16 x i8>> [#uses=1]
%tmp7 = shufflevector <16 x i8> %tmp6, <16 x i8> undef, <4 x i32> < i32 13, i32 9, i32 4, i32 13 > ; <<4 x i8>> [#uses=1]
%tmp9 = shufflevector <4 x i8> %tmp7, <4 x i8> undef, <4 x i32> < i32 3, i32 1, i32 2, i32 0 > ; <<4 x i8>> [#uses=1]
store <4 x i8> %tmp9, <4 x i8> addrspace(1)* %arrayidx
ret void
return: ; preds = %entry
ret void
}