1; RUN: opt < %s -instcombine -S | FileCheck %s 2 3define void @PR21651() { 4 switch i2 0, label %out [ 5 i2 0, label %out 6 i2 1, label %out 7 ] 8 9out: 10 ret void 11} 12 13; CHECK-LABEL: define void @PR21651( 14; CHECK: switch i2 0, label %out [ 15; CHECK: i2 0, label %out 16; CHECK: i2 1, label %out 17; CHECK: ] 18; CHECK: out: ; preds = %0, %0, %0 19; CHECK: ret void 20; CHECK: } 21