修复分析器逻辑,保证优化遍共享一个分析器(主要是在mem2reg)
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@@ -745,11 +745,10 @@ auto Mem2Reg::renameAll() -> void {
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*/
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auto Mem2Reg::mem2regPipeline() -> void {
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// 首先进行mem2reg的前置分析
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controlFlowAnalysis = new ControlFlowAnalysis(pModule);
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activeVarAnalysis = new ActiveVarAnalysis();
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// 控制流分析
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controlFlowAnalysis->clear();
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controlFlowAnalysis->runControlFlowAnalysis();
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// 活跃变量分析
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activeVarAnalysis->clear();
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dataFlowAnalysisUtils.addBackwardAnalyzer(activeVarAnalysis);
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dataFlowAnalysisUtils.backwardAnalyze(pModule);
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