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allow TimeRegion to take a potentially-null pointer to a

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timer for clang.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64874 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2009-02-18 01:48:17 +00:00
parent d2067fd730
commit ccd846b73f
1 changed files with 9 additions and 4 deletions
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13
include/llvm/Support/Timer.h
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@@ -113,14 +113,19 @@ private:
/// the relevant timer. This makes it easy to time a region of code. /// the relevant timer. This makes it easy to time a region of code.
/// ///
class TimeRegion { class TimeRegion {
Timer &T; Timer *T;
TimeRegion(const TimeRegion &); // DO NOT IMPLEMENT TimeRegion(const TimeRegion &); // DO NOT IMPLEMENT
public: public:
explicit TimeRegion(Timer &t) : T(t) { explicit TimeRegion(Timer &t) : T(&t) {
T.startTimer(); T->startTimer();
}
explicit TimeRegion(Timer *t) : T(t) {
if (T)
T->startTimer();
} }
~TimeRegion() { ~TimeRegion() {
T.stopTimer(); if (T)
T->stopTimer();
} }
}; };