diff options
| -rw-r--r-- | include/llvm/Analysis/CFGPrinter.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/llvm/Analysis/CFGPrinter.h b/include/llvm/Analysis/CFGPrinter.h index 435f8ea..bee2c5b 100644 --- a/include/llvm/Analysis/CFGPrinter.h +++ b/include/llvm/Analysis/CFGPrinter.h @@ -71,6 +71,18 @@ struct DOTGraphTraits<const Function*> : public DefaultDOTGraphTraits { if (const BranchInst *BI = dyn_cast<BranchInst>(Node->getTerminator())) if (BI->isConditional()) return (I == succ_begin(Node)) ? "T" : "F"; + + // Label source of conditional branches with "T" or "F" + if (const SwitchInst *SI = dyn_cast<SwitchInst>(Node->getTerminator())) { + unsigned SuccNo = I.getSuccessorIndex(); + + if (SuccNo == 0) return "def"; + + std::string Str; + raw_string_ostream OS(Str); + OS << SI->getCaseValue(SuccNo)->getValue(); + return OS.str(); + } return ""; } }; |