[ResetMachineFunctionPass] Add visited functions statistics info
Adding a "NumFunctionsVisited" for collecting the visited function number. It can be used to collect function pass rate in some tests, the pass rate = (NumberVisited - NumberReset)/NumberVisited. e.g. it can be used for caculating GlobalISel pass rate in Test-Suite. Patch by Tianyang Zhu (zhutianyang) Differential Revision: https://reviews.llvm.org/D59285 llvm-svn: 356114
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@ -26,6 +26,7 @@ using namespace llvm;
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#define DEBUG_TYPE "reset-machine-function"
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STATISTIC(NumFunctionsReset, "Number of functions reset");
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STATISTIC(NumFunctionsVisited, "Number of functions visited");
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namespace {
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class ResetMachineFunction : public MachineFunctionPass {
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@ -50,6 +51,7 @@ namespace {
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}
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bool runOnMachineFunction(MachineFunction &MF) override {
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++NumFunctionsVisited;
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// No matter what happened, whether we successfully selected the function
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// or not, nothing is going to use the vreg types after us. Make sure they
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// disappear.
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