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allow TimeRegion to take a potentially-null pointer to a
timer for clang. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64874 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -113,14 +113,19 @@ private:
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/// the relevant timer. This makes it easy to time a region of code.
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///
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class TimeRegion {
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Timer &T;
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Timer *T;
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TimeRegion(const TimeRegion &); // DO NOT IMPLEMENT
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public:
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explicit TimeRegion(Timer &t) : T(t) {
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T.startTimer();
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explicit TimeRegion(Timer &t) : T(&t) {
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T->startTimer();
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}
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explicit TimeRegion(Timer *t) : T(t) {
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if (T)
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T->startTimer();
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}
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~TimeRegion() {
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T.stopTimer();
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if (T)
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T->stopTimer();
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}
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};
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