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[CFGPrinter] Allow CFG dumps with a given filename #112906

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Merged
LewisCrawford merged 3 commits into from
Nov 5, 2024
Merged

[CFGPrinter] Allow CFG dumps with a given filename #112906

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50697b9
[CFGPrinter] Allow CFG dumps with a given filename
LewisCrawford Oct 18, 2024
355ba07
Merge branch 'main' into cfg_printer_filenames
LewisCrawford Oct 31, 2024
266e82d
Change variable Name to OutputFileName
LewisCrawford Nov 4, 2024
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11 changes: 10 additions & 1 deletion llvm/include/llvm/IR/Function.h
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Original file line number Diff line number Diff line change
Expand Up @@ -942,9 +942,14 @@ class LLVM_ABI Function : public GlobalObject, public ilist_node<Function> {
///
void viewCFG() const;

/// viewCFG - This function is meant for use from the debugger. It works just
/// like viewCFG(), but generates the dot file with the given filename.
void viewCFG(const char *Name) const;

/// Extended form to print edge weights.
void viewCFG(bool ViewCFGOnly, const BlockFrequencyInfo *BFI,
const BranchProbabilityInfo *BPI) const;
const BranchProbabilityInfo *BPI,
const char *Name = nullptr) const;

/// viewCFGOnly - This function is meant for use from the debugger. It works
/// just like viewCFG, but it does not include the contents of basic blocks
Expand All @@ -953,6 +958,10 @@ class LLVM_ABI Function : public GlobalObject, public ilist_node<Function> {
///
void viewCFGOnly() const;

/// viewCFG - This function is meant for use from the debugger. It works just
/// like viewCFGOnly(), but generates the dot file with the given filename.
void viewCFGOnly(const char *Name) const;

/// Extended form to print edge weights.
void viewCFGOnly(const BlockFrequencyInfo *BFI,
const BranchProbabilityInfo *BPI) const;
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13 changes: 11 additions & 2 deletions llvm/lib/Analysis/CFGPrinter.cpp
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Expand Up @@ -136,12 +136,17 @@ PreservedAnalyses CFGOnlyPrinterPass::run(Function &F,
///
void Function::viewCFG() const { viewCFG(false, nullptr, nullptr); }

void Function::viewCFG(const char *Name) const {
viewCFG(false, nullptr, nullptr, Name);
}

void Function::viewCFG(bool ViewCFGOnly, const BlockFrequencyInfo *BFI,
const BranchProbabilityInfo *BPI) const {
const BranchProbabilityInfo *BPI,
const char *Name) const {
if (!CFGFuncName.empty() && !getName().contains(CFGFuncName))
return;
DOTFuncInfo CFGInfo(this, BFI, BPI, BFI ? getMaxFreq(*this, BFI) : 0);
ViewGraph(&CFGInfo, "cfg" + getName(), ViewCFGOnly);
ViewGraph(&CFGInfo, Name ? Name : "cfg" + getName(), ViewCFGOnly);
}

/// viewCFGOnly - This function is meant for use from the debugger. It works
Expand All @@ -151,6 +156,10 @@ void Function::viewCFG(bool ViewCFGOnly, const BlockFrequencyInfo *BFI,
///
void Function::viewCFGOnly() const { viewCFGOnly(nullptr, nullptr); }

void Function::viewCFGOnly(const char *Name) const {
viewCFG(true, nullptr, nullptr, Name);
}

void Function::viewCFGOnly(const BlockFrequencyInfo *BFI,
const BranchProbabilityInfo *BPI) const {
viewCFG(true, BFI, BPI);
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