1; RUN: opt < %s -instcombine -S | FileCheck %s 2 3define void @entry() nounwind { 4entry: 5 br label %for.cond 6 7; CHECK: br label %for.cond 8for.cond: 9 %local = phi <1 x i32> [ <i32 0>, %entry ], [ %phi2, %cond.end47 ] 10 %phi3 = sub <1 x i32> zeroinitializer, %local 11 br label %cond.end 12 13cond.false: 14 br label %cond.end 15 16cond.end: 17 %cond = phi <1 x i32> [ %phi3, %for.cond ], [ undef, %cond.false ] 18 br label %cond.end47 19 20cond.end47: 21 %sum = add <1 x i32> %cond, <i32 92> 22 %phi2 = sub <1 x i32> zeroinitializer, %sum 23 br label %for.cond 24} 25