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lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
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| 758 | 758 | | |||
| 759 | void SelectionDAGISel::CodeGenAndEmitDAG() { | 759 | void SelectionDAGISel::CodeGenAndEmitDAG() { | ||
| 760 | StringRef GroupName = "sdag"; | 760 | StringRef GroupName = "sdag"; | ||
| 761 | StringRef GroupDescription = "Instruction Selection and Scheduling"; | 761 | StringRef GroupDescription = "Instruction Selection and Scheduling"; | ||
| 762 | std::string BlockName; | 762 | std::string BlockName; | ||
| 763 | int BlockNumber = -1; | 763 | int BlockNumber = -1; | ||
| 764 | (void)BlockNumber; | 764 | (void)BlockNumber; | ||
| 765 | bool MatchFilterBB = false; (void)MatchFilterBB; | 765 | bool MatchFilterBB = false; (void)MatchFilterBB; | ||
| 766 | | ||||
| 767 | // Pre-type legalization allow creation of any node types. | ||||
| 768 | CurDAG->NewNodesMustHaveLegalTypes = false; | ||||
| 769 | | ||||
| 766 | #ifndef NDEBUG | 770 | #ifndef NDEBUG | ||
| 767 | MatchFilterBB = (FilterDAGBasicBlockName.empty() || | 771 | MatchFilterBB = (FilterDAGBasicBlockName.empty() || | ||
| 768 | FilterDAGBasicBlockName == | 772 | FilterDAGBasicBlockName == | ||
| 769 | FuncInfo->MBB->getBasicBlock()->getName().str()); | 773 | FuncInfo->MBB->getBasicBlock()->getName().str()); | ||
| 770 | #endif | 774 | #endif | ||
| 771 | #ifdef NDEBUG | 775 | #ifdef NDEBUG | ||
| 772 | if (ViewDAGCombine1 || ViewLegalizeTypesDAGs || ViewLegalizeDAGs || | 776 | if (ViewDAGCombine1 || ViewLegalizeTypesDAGs || ViewLegalizeDAGs || | ||
| 773 | ViewDAGCombine2 || ViewDAGCombineLT || ViewISelDAGs || ViewSchedDAGs || | 777 | ViewDAGCombine2 || ViewDAGCombineLT || ViewISelDAGs || ViewSchedDAGs || | ||
| Show All 30 Lines | 807 | { | |||
| 804 | NamedRegionTimer T("legalize_types", "Type Legalization", GroupName, | 808 | NamedRegionTimer T("legalize_types", "Type Legalization", GroupName, | ||
| 805 | GroupDescription, TimePassesIsEnabled); | 809 | GroupDescription, TimePassesIsEnabled); | ||
| 806 | Changed = CurDAG->LegalizeTypes(); | 810 | Changed = CurDAG->LegalizeTypes(); | ||
| 807 | } | 811 | } | ||
| 808 | 812 | | |||
| 809 | DEBUG(dbgs() << "Type-legalized selection DAG: BB#" << BlockNumber | 813 | DEBUG(dbgs() << "Type-legalized selection DAG: BB#" << BlockNumber | ||
| 810 | << " '" << BlockName << "'\n"; CurDAG->dump()); | 814 | << " '" << BlockName << "'\n"; CurDAG->dump()); | ||
| 811 | 815 | | |||
| 816 | // Only allow creation of legal node types. | ||||
| 812 | CurDAG->NewNodesMustHaveLegalTypes = true; | 817 | CurDAG->NewNodesMustHaveLegalTypes = true; | ||
| 813 | 818 | | |||
| 814 | if (Changed) { | 819 | if (Changed) { | ||
| 815 | if (ViewDAGCombineLT && MatchFilterBB) | 820 | if (ViewDAGCombineLT && MatchFilterBB) | ||
| 816 | CurDAG->viewGraph("dag-combine-lt input for " + BlockName); | 821 | CurDAG->viewGraph("dag-combine-lt input for " + BlockName); | ||
| 817 | 822 | | |||
| 818 | // Run the DAG combiner in post-type-legalize mode. | 823 | // Run the DAG combiner in post-type-legalize mode. | ||
| 819 | { | 824 | { | ||
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