From 0b1bc70dbf9b1400794357bf65d098050d4bdd1c Mon Sep 17 00:00:00 2001 From: Sanjoy Das Date: Mon, 6 Jul 2015 23:32:10 +0000 Subject: [PATCH] [FaultMaps] Add statistic to count the # of implicit null checks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241521 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/ImplicitNullChecks.cpp | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/lib/CodeGen/ImplicitNullChecks.cpp b/lib/CodeGen/ImplicitNullChecks.cpp index a02cd67ac64..15bd7571a82 100644 --- a/lib/CodeGen/ImplicitNullChecks.cpp +++ b/lib/CodeGen/ImplicitNullChecks.cpp @@ -26,6 +26,7 @@ //===----------------------------------------------------------------------===// #include "llvm/ADT/SmallVector.h" +#include "llvm/ADT/Statistic.h" #include "llvm/CodeGen/Passes.h" #include "llvm/CodeGen/MachineFunction.h" #include "llvm/CodeGen/MachineOperand.h" @@ -47,6 +48,11 @@ static cl::opt PageSize("imp-null-check-page-size", "bytes"), cl::init(4096)); +#define DEBUG_TYPE "implicit-null-checks" + +STATISTIC(NumImplicitNullChecks, + "Number of explicit null checks made implicit"); + namespace { class ImplicitNullChecks : public MachineFunctionPass { @@ -257,6 +263,8 @@ void ImplicitNullChecks::rewriteNullChecks( // Emit the HandlerLabel as an EH_LABEL. BuildMI(*NC.NullSucc, NC.NullSucc->begin(), DL, TII->get(TargetOpcode::EH_LABEL)).addSym(HandlerLabel); + + NumImplicitNullChecks++; } } -- 2.34.1