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If the basic block has no name, make sure to print the % number of it

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llvm-svn: 9375
This commit is contained in:
Chris Lattner 2003-10-22 16:22:42 +00:00
parent 8476f4bb56
commit dd7d5d8172
1 changed files with 7 additions and 1 deletions
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8
lib/Analysis/CFGPrinter.cpp
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@ -21,6 +21,7 @@
#include "llvm/Pass.h"
#include "llvm/Function.h"
#include "llvm/iTerminators.h"
#include "llvm/Assembly/Writer.h"
#include "llvm/Support/CFG.h"
#include <sstream>
#include <fstream>
@ -39,9 +40,14 @@ struct DOTGraphTraits<const Function*> : public DefaultDOTGraphTraits {
static std::string getNodeLabel(const BasicBlock *Node,
const Function *Graph) {
if (CFGOnly) return Node->getName() + ":";
if (CFGOnly && !Node->getName().empty()) return Node->getName() + ":";
std::ostringstream Out;
if (CFGOnly) {
WriteAsOperand(Out, Node, false, true);
return Out.str();
}
Out << *Node;
std::string OutStr = Out.str();
if (OutStr[0] == '\n') OutStr.erase(OutStr.begin());