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[CFGPrinter] Added command line option to change DOT font #148403

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[CFGPrinter] Added command line option to change DOT font #148403

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12 changes: 10 additions & 2 deletions llvm/include/llvm/Analysis/CFGPrinter.h
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Original file line number Diff line number Diff line change
Expand Up @@ -27,11 +27,14 @@
#include "llvm/IR/Instructions.h"
#include "llvm/IR/PassManager.h"
#include "llvm/IR/ProfDataUtils.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/DOTGraphTraits.h"
#include "llvm/Support/FormatVariadic.h"

namespace llvm {
LLVM_ABI extern cl::opt<std::string> CFGFontName;

class ModuleSlotTracker;

template <class GraphType> struct GraphTraits;
Expand Down Expand Up @@ -321,9 +324,14 @@ struct DOTGraphTraits<DOTFuncInfo *> : public DefaultDOTGraphTraits {
? (getHeatColor(0))
: (getHeatColor(1));

std::string FontName = "Courier";
if (!CFGFontName.empty()) {
FontName = CFGFontName;
}

std::string Attrs = "color=\"" + EdgeColor + "ff\", style=filled," +
" fillcolor=\"" + Color + "70\"" +
" fontname=\"Courier\"";
" fillcolor=\"" + Color + "70\"" + " fontname=\"" +
FontName + "\"";
return Attrs;
}
LLVM_ABI bool isNodeHidden(const BasicBlock *Node,
Expand Down
5 changes: 5 additions & 0 deletions llvm/lib/Analysis/CFGPrinter.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,11 @@

using namespace llvm;

cl::opt<std::string>
llvm::CFGFontName("cfg-fontname", cl::Hidden,
cl::desc("The name of a font to use for the DOT"
" file (defaults to Courier)"));

static cl::opt<std::string>
CFGFuncName("cfg-func-name", cl::Hidden,
cl::desc("The name of a function (or its substring)"
Expand Down