blob: 3bd8924903f8baf2f1340b21ce48865118a7b6ef (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
|
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | 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
}
|
