Add a testcase for svn 111208.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111212 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bob Wilson 2010-08-16 23:44:29 +00:00
parent 4bb3eafab5
commit 8f58a2e8e1

View File

@ -17,3 +17,17 @@ entry:
store <8 x i16> %1, <8 x i16>* %agg.result12.1.0, align 16
ret void
}
; Radar 8290937: Ignore undef shuffle indices.
; CHECK: t2
; CHECK: vtrn.16
define void @t2(%struct.int16x8x2_t* nocapture %ptr, <4 x i16> %a.0, <4 x i16> %b.0) nounwind {
entry:
%0 = shufflevector <4 x i16> %a.0, <4 x i16> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 undef, i32 undef, i32 undef, i32 undef>
%1 = shufflevector <4 x i16> %a.0, <4 x i16> undef, <8 x i32> <i32 1, i32 1, i32 3, i32 3, i32 undef, i32 undef, i32 undef, i32 undef>
%ptr26.0 = getelementptr inbounds %struct.int16x8x2_t* %ptr, i32 0, i32 0, i32 0, i32 0
store <8 x i16> %0, <8 x i16>* %ptr26.0, align 16
%ptr20.1.0 = getelementptr inbounds %struct.int16x8x2_t* %ptr, i32 0, i32 0, i32 1, i32 0
store <8 x i16> %1, <8 x i16>* %ptr20.1.0, align 16
ret void
}