1 ; RUN: llc -mtriple=x86_64-unknown-unknown -mcpu=corei7 < %s 2 3 ; Check that llc doesn't crash in the attempt to fold a shuffle with 4 ; a splat mask into a constant build_vector. 5 6 define <8 x i8> @autogen_SD26299(i8) { 7 BB: 8 %Shuff = shufflevector <8 x i32> <i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1>, <8 x i32> zeroinitializer, <8 x i32> <i32 2, i32 undef, i32 6, i32 8, i32 undef, i32 12, i32 14, i32 0> 9 %Shuff14 = shufflevector <8 x i32> %Shuff, <8 x i32> %Shuff, <8 x i32> <i32 7, i32 9, i32 11, i32 undef, i32 undef, i32 1, i32 3, i32 5> 10 %Shuff35 = shufflevector <8 x i32> %Shuff14, <8 x i32> %Shuff, <8 x i32> <i32 undef, i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13> 11 %I42 = insertelement <8 x i32> %Shuff35, i32 88608, i32 0 12 %Shuff48 = shufflevector <8 x i32> %Shuff35, <8 x i32> %I42, <8 x i32> <i32 4, i32 6, i32 8, i32 10, i32 12, i32 14, i32 0, i32 2> 13 %Tr59 = trunc <8 x i32> %Shuff48 to <8 x i8> 14 ret <8 x i8> %Tr59 15 } 16