25 lines · plain
1; RUN: opt < %s -passes=instcombine -S | FileCheck %s2 3define void @entry() nounwind {4entry:5 br label %for.cond6 7; CHECK: br label %for.cond8for.cond:9 %local = phi <1 x i32> [ <i32 0>, %entry ], [ %phi2, %cond.end47 ]10 %phi3 = sub <1 x i32> zeroinitializer, %local11 br label %cond.end12 13cond.false:14 br label %cond.end15 16cond.end:17 %cond = phi <1 x i32> [ %phi3, %for.cond ], [ undef, %cond.false ]18 br label %cond.end4719 20cond.end47:21 %sum = add <1 x i32> %cond, <i32 92>22 %phi2 = sub <1 x i32> zeroinitializer, %sum23 br label %for.cond24}25