llvm-project/llvm/test/Transforms/LoopIndexSplit/2008-02-13-LoopLatchPHI.ll

75 lines
2.7 KiB
LLVM

; RUN: opt < %s -loop-index-split -disable-output
; PR 2011
%struct.CLAUSE_HELP = type { i32, i32, i32, i32, i32*, i32, %struct.LIST_NODE*, %struct.LIST_NODE*, i32, i32, %struct.LITERAL_HELP**, i32, i32, i32, i32 }
%struct.LIST_NODE = type { %struct.LIST_NODE*, i8* }
%struct.LITERAL_HELP = type { i32, i32, i32, %struct.CLAUSE_HELP*, %struct.term* }
%struct.anon = type { %struct.LIST_NODE* }
%struct.st = type { %struct.subst*, %struct.LIST_NODE*, %struct.LIST_NODE*, i16, i16 }
%struct.subst = type { %struct.subst*, i32, %struct.term* }
%struct.term = type { i32, %struct.anon, %struct.LIST_NODE*, i32, i32 }
define fastcc %struct.LIST_NODE* @inf_HyperResolvents(%struct.CLAUSE_HELP* %Clause, %struct.subst* %Subst, %struct.LIST_NODE* %Restlits, i32 %GlobalMaxVar, %struct.LIST_NODE* %FoundMap, i32 %StrictlyMaximal, { %struct.st*, [3001 x %struct.term*], [4000 x %struct.term*], i32 }* %Index, i32* %Flags, i32* %Precedence) nounwind {
entry:
br i1 false, label %bb960, label %bb885
bb885: ; preds = %entry
ret %struct.LIST_NODE* null
bb960: ; preds = %entry
br i1 false, label %bb1097, label %bb1005.preheader
bb1005.preheader: ; preds = %bb960
ret %struct.LIST_NODE* null
bb1097: ; preds = %bb960
br i1 false, label %bb1269.preheader, label %bb1141.preheader
bb1141.preheader: ; preds = %bb1097
ret %struct.LIST_NODE* null
bb1269.preheader: ; preds = %bb1097
br i1 false, label %bb1318, label %bb1281
bb1281: ; preds = %bb1269.preheader
ret %struct.LIST_NODE* null
bb1318: ; preds = %bb1269.preheader
br i1 false, label %bb1459, label %bb.nph52
bb.nph52: ; preds = %bb1318
ret %struct.LIST_NODE* null
bb1459: ; preds = %bb1318
br i1 false, label %bb1553, label %bb.nph62
bb.nph62: ; preds = %bb1459
ret %struct.LIST_NODE* null
bb1553: ; preds = %bb1669, %bb1459
%j295.0.reg2mem.0 = phi i32 [ %storemerge110, %bb1669 ], [ 0, %bb1459 ] ; <i32> [#uses=2]
%Constraint403.2.reg2mem.0 = phi %struct.LIST_NODE* [ %Constraint403.1.reg2mem.0, %bb1669 ], [ null, %bb1459 ] ; <%struct.LIST_NODE*> [#uses=1]
br i1 false, label %bb1588, label %bb1616
bb1588: ; preds = %bb1553
br label %bb1616
bb1616: ; preds = %bb1588, %bb1553
%tmp1629 = icmp sgt i32 %j295.0.reg2mem.0, 0 ; <i1> [#uses=1]
br i1 %tmp1629, label %bb1649, label %bb1632
bb1632: ; preds = %bb1616
br label %bb1669
bb1649: ; preds = %bb1616
br label %bb1669
bb1669: ; preds = %bb1649, %bb1632
%Constraint403.1.reg2mem.0 = phi %struct.LIST_NODE* [ null, %bb1632 ], [ %Constraint403.2.reg2mem.0, %bb1649 ] ; <%struct.LIST_NODE*> [#uses=1]
%storemerge110 = add i32 %j295.0.reg2mem.0, 1 ; <i32> [#uses=2]
%tmp1672 = icmp sgt i32 %storemerge110, 0 ; <i1> [#uses=1]
br i1 %tmp1672, label %bb1678, label %bb1553
bb1678: ; preds = %bb1669
ret %struct.LIST_NODE* null
}