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[ResetMachineFunctionPass] Add visited functions statistics info

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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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@356114 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper 2019-03-14 01:13:15 +00:00
parent f338da057c
commit 8136aefd77
1 changed files with 2 additions and 0 deletions
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lib/CodeGen/ResetMachineFunctionPass.cpp
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@ -26,6 +26,7 @@ using namespace llvm;
#define DEBUG_TYPE "reset-machine-function"
STATISTIC(NumFunctionsReset, "Number of functions reset");
STATISTIC(NumFunctionsVisited, "Number of functions visited");
namespace {
class ResetMachineFunction : public MachineFunctionPass {
@ -50,6 +51,7 @@ namespace {
}
bool runOnMachineFunction(MachineFunction &MF) override {
++NumFunctionsVisited;
// No matter what happened, whether we successfully selected the function
// or not, nothing is going to use the vreg types after us. Make sure they
// disappear.