; RUN: llvm-as < %s | opt -gvnpre | llvm-dis | grep b.gvnpre define i32 @extract() { entry: ; preds = %cond_false, %entry %foo = add <2 x i32> < i32 1, i32 1 >, < i32 1, i32 1 > br i1 true, label %cond_true, label %cond_false cond_true: br label %end cond_false: %a = shufflevector <2 x i32> %foo, <2 x i32> undef, <2 x i32> < i32 0, i32 1 > br label %end end: %b = shufflevector <2 x i32> %foo, <2 x i32> undef, <2 x i32> < i32 0, i32 1 > ret i32 0 }