diff options
| -rw-r--r-- | test/CodeGen/ARM/2009-12-02-vtrn-undef.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/2009-12-02-vtrn-undef.ll b/test/CodeGen/ARM/2009-12-02-vtrn-undef.ll index 198faebbea..f89a5de77b 100644 --- a/test/CodeGen/ARM/2009-12-02-vtrn-undef.ll +++ b/test/CodeGen/ARM/2009-12-02-vtrn-undef.ll @@ -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 +} |