Linearize the graph before creating live ranges.

Change-Id: I02eb5671e3304ab062286131745c1366448aff58

1 files changed, 41 insertions, 0 deletions

diff --git a/compiler/optimizing/pretty_printer.h b/compiler/optimizing/pretty_printer.h
index dfeafe7..a7727c0 100644
--- a/compiler/optimizing/pretty_printer.h
+++ b/compiler/optimizing/pretty_printer.h
@@ -100,6 +100,47 @@ class HPrettyPrinter : public HGraphVisitor {
   DISALLOW_COPY_AND_ASSIGN(HPrettyPrinter);
 };
 
+class StringPrettyPrinter : public HPrettyPrinter {
+ public:
+  explicit StringPrettyPrinter(HGraph* graph)
+      : HPrettyPrinter(graph), str_(""), current_block_(nullptr) { }
+
+  virtual void PrintInt(int value) {
+    str_ += StringPrintf("%d", value);
+  }
+
+  virtual void PrintString(const char* value) {
+    str_ += value;
+  }
+
+  virtual void PrintNewLine() {
+    str_ += '\n';
+  }
+
+  void Clear() { str_.clear(); }
+
+  std::string str() const { return str_; }
+
+  virtual void VisitBasicBlock(HBasicBlock* block) {
+    current_block_ = block;
+    HPrettyPrinter::VisitBasicBlock(block);
+  }
+
+  virtual void VisitGoto(HGoto* gota) {
+    PrintString("  ");
+    PrintInt(gota->GetId());
+    PrintString(": Goto ");
+    PrintInt(current_block_->GetSuccessors().Get(0)->GetBlockId());
+    PrintNewLine();
+  }
+
+ private:
+  std::string str_;
+  HBasicBlock* current_block_;
+
+  DISALLOW_COPY_AND_ASSIGN(StringPrettyPrinter);
+};
+
 }  // namespace art
 
 #endif  // ART_COMPILER_OPTIMIZING_PRETTY_PRINTER_H_