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in -dot-cfg and -dot-cfg-only, when rendering switch instructions,

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put the switch value in the successor boxes like we put T/F for branches.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86747 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-11-10 22:56:15 +00:00
parent 055d046f48
commit 0a26870d92
1 changed files with 12 additions and 0 deletions
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12
include/llvm/Analysis/CFGPrinter.h
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@ -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 "";
}
};