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Give the -time-passes tool option a global storage location so that its
value can be discovered by the various LLVM tools. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16032 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -332,6 +332,11 @@ private:
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virtual void addToPassManager(PassManagerT<BasicBlock> *PM,AnalysisUsage &AU);
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};
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/// If the user specifies the -time-passes argument on an LLVM tool command line
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/// then the value of this boolean will be true, otherwise false.
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/// @brief This is the storage for the -time-passes option.
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extern bool TimePassesIsEnabled;
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} // End llvm namespace
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// Include support files that contain important APIs commonly used by Passes,
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@ -110,15 +110,16 @@ bool FunctionPassManager::run(Function &F) {
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// amount of time each pass takes to execute. This only happens with
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// -time-passes is enabled on the command line.
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//
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static cl::opt<bool>
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EnableTiming("time-passes",
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bool llvm::TimePassesIsEnabled = false;
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static cl::opt<bool,true>
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EnableTiming("time-passes", cl::location(TimePassesIsEnabled),
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cl::desc("Time each pass, printing elapsed time for each on exit"));
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// createTheTimeInfo - This method either initializes the TheTimeInfo pointer to
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// a non null value (if the -time-passes option is enabled) or it leaves it
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// null. It may be called multiple times.
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void TimingInfo::createTheTimeInfo() {
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if (!EnableTiming || TheTimeInfo) return;
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if (!TimePassesIsEnabled || TheTimeInfo) return;
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// Constructed the first time this is called, iff -time-passes is enabled.
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// This guarantees that the object will be constructed before static globals,
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