diff options
Diffstat (limited to 'llvm/lib/CodeGen/MachineBlockFrequencyInfo.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineBlockFrequencyInfo.cpp | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineBlockFrequencyInfo.cpp b/llvm/lib/CodeGen/MachineBlockFrequencyInfo.cpp index 104180ad4d2..14cd91206d8 100644 --- a/llvm/lib/CodeGen/MachineBlockFrequencyInfo.cpp +++ b/llvm/lib/CodeGen/MachineBlockFrequencyInfo.cpp @@ -68,6 +68,14 @@ extern cl::opt<std::string> ViewBlockFreqFuncName; // Defined in Analysis/BlockFrequencyInfo.cpp: -view-hot-freq-perc= extern cl::opt<unsigned> ViewHotFreqPercent; +static cl::opt<bool> PrintMachineBlockFreq( + "print-machine-bfi", cl::init(false), cl::Hidden, + cl::desc("Print the machine block frequency info.")); + +// Command line option to specify the name of the function for block frequency +// dump. Defined in Analysis/BlockFrequencyInfo.cpp. +extern cl::opt<std::string> PrintBlockFreqFuncName; + static GVDAGType getGVDT() { if (ViewBlockLayoutWithBFI != GVDT_None) return ViewBlockLayoutWithBFI; @@ -185,6 +193,11 @@ void MachineBlockFrequencyInfo::calculate( F.getName().equals(ViewBlockFreqFuncName))) { view("MachineBlockFrequencyDAGS." + F.getName()); } + if (PrintMachineBlockFreq && + (PrintBlockFreqFuncName.empty() || + F.getName().equals(PrintBlockFreqFuncName))) { + MBFI->print(dbgs()); + } } bool MachineBlockFrequencyInfo::runOnMachineFunction(MachineFunction &F) { |
