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- ; RUN: opt < %s -loop-reduce
- define void @resolve_name() nounwind uwtable ssp {
- br label %while.cond40.preheader
- while.cond132.while.cond.loopexit_crit_edge:
- br label %while.cond40.preheader
- while.cond40.preheader:
- br label %while.cond40
- while.cond40:
- %indvars.iv194 = phi i8* [ null, %while.cond40.preheader ], [ %scevgep, %while.body51 ]
- %tmp.1 = phi i8* [ undef, %while.cond40.preheader ], [ %incdec.ptr, %while.body51 ]
- switch i8 undef, label %while.body51 [
- i8 0, label %if.then59
- ]
- while.body51: ; preds = %land.end50
- %incdec.ptr = getelementptr inbounds i8, i8* %tmp.1, i64 1
- %scevgep = getelementptr i8, i8* %indvars.iv194, i64 1
- br label %while.cond40
- if.then59: ; preds = %while.end
- br i1 undef, label %if.then64, label %if.end113
- if.then64: ; preds = %if.then59
- %incdec.ptr88.tmp.2 = select i1 undef, i8* undef, i8* undef
- br label %if.end113
- if.end113: ; preds = %if.then64, %if.then59
- %tmp.4 = phi i8* [ %incdec.ptr88.tmp.2, %if.then64 ], [ undef, %if.then59 ]
- %tmp.4195 = ptrtoint i8* %tmp.4 to i64
- br label %while.cond132.preheader
- while.cond132.preheader: ; preds = %if.end113
- %cmp133173 = icmp eq i8* %tmp.1, %tmp.4
- br i1 %cmp133173, label %while.cond40.preheader, label %while.body139.lr.ph
- while.body139.lr.ph: ; preds = %while.cond132.preheader
- %scevgep198 = getelementptr i8, i8* %indvars.iv194, i64 0
- %scevgep198199 = ptrtoint i8* %scevgep198 to i64
- br label %while.body139
- while.body139: ; preds = %while.body139, %while.body139.lr.ph
- %start_of_var.0177 = phi i8* [ %tmp.1, %while.body139.lr.ph ], [ null, %while.body139 ]
- br i1 undef, label %while.cond132.while.cond.loopexit_crit_edge, label %while.body139
- }
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