1; RUN: opt %s -scalarizer -S -o - | FileCheck %s 2 3; Don't crash 4 5define void @foo() { 6 br label %bb1 7 8bb2: ; preds = %bb1 9 %bb2_vec = shufflevector <2 x i16> <i16 0, i16 10000>, 10 <2 x i16> %bb1_vec, 11 <2 x i32> <i32 0, i32 3> 12 br label %bb1 13 14bb1: ; preds = %bb2, %0 15 %bb1_vec = phi <2 x i16> [ <i16 100, i16 200>, %0 ], [ %bb2_vec, %bb2 ] 16;CHECK: bb1: 17;CHECK: %bb1_vec.i0 = phi i16 [ 100, %0 ], [ 0, %bb2 ] 18;CHECK: %bb1_vec.i1 = phi i16 [ 200, %0 ], [ %bb1_vec.i1, %bb2 ] 19 br i1 undef, label %bb3, label %bb2 20 21bb3: 22 ret void 23} 24 25