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23cd372dbf
the dominance once the dominates method is fixed and why we can use the builder's insertion point. Fixes pr12048. llvm-svn: 151125
39 lines
1.9 KiB
LLVM
39 lines
1.9 KiB
LLVM
; RUN: opt < %s -loop-reduce
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define void @resolve_name() nounwind uwtable ssp {
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br label %while.cond40.preheader
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while.cond132.while.cond.loopexit_crit_edge:
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br label %while.cond40.preheader
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while.cond40.preheader:
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br label %while.cond40
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while.cond40:
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%indvars.iv194 = phi i8* [ null, %while.cond40.preheader ], [ %scevgep, %while.body51 ]
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%tmp.1 = phi i8* [ undef, %while.cond40.preheader ], [ %incdec.ptr, %while.body51 ]
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switch i8 undef, label %while.body51 [
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i8 0, label %if.then59
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]
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while.body51: ; preds = %land.end50
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%incdec.ptr = getelementptr inbounds i8* %tmp.1, i64 1
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%scevgep = getelementptr i8* %indvars.iv194, i64 1
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br label %while.cond40
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if.then59: ; preds = %while.end
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br i1 undef, label %if.then64, label %if.end113
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if.then64: ; preds = %if.then59
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%incdec.ptr88.tmp.2 = select i1 undef, i8* undef, i8* undef
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br label %if.end113
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if.end113: ; preds = %if.then64, %if.then59
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%tmp.4 = phi i8* [ %incdec.ptr88.tmp.2, %if.then64 ], [ undef, %if.then59 ]
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%tmp.4195 = ptrtoint i8* %tmp.4 to i64
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br label %while.cond132.preheader
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while.cond132.preheader: ; preds = %if.end113
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%cmp133173 = icmp eq i8* %tmp.1, %tmp.4
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br i1 %cmp133173, label %while.cond40.preheader, label %while.body139.lr.ph
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while.body139.lr.ph: ; preds = %while.cond132.preheader
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%scevgep198 = getelementptr i8* %indvars.iv194, i64 0
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%scevgep198199 = ptrtoint i8* %scevgep198 to i64
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br label %while.body139
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while.body139: ; preds = %while.body139, %while.body139.lr.ph
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%start_of_var.0177 = phi i8* [ %tmp.1, %while.body139.lr.ph ], [ null, %while.body139 ]
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br i1 undef, label %while.cond132.while.cond.loopexit_crit_edge, label %while.body139
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}
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