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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-12-08 01:06:06 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-12-08 01:06:06 +0000 |
| commit | 1b19dc1d8b7594434ea9a157bfe2ae68eabf9f05 (patch) | |
| tree | 308afe1bb40b417cdf3afe11efada61850aa7405 /lib/CodeGen/LiveIntervalUnion.h | |
| parent | 255eafbd498e7d41ceef45ee0ad13bfde573ff82 (diff) | |
| download | llvm-1b19dc1d8b7594434ea9a157bfe2ae68eabf9f05.tar.gz llvm-1b19dc1d8b7594434ea9a157bfe2ae68eabf9f05.tar.bz2 llvm-1b19dc1d8b7594434ea9a157bfe2ae68eabf9f05.tar.xz | |
Move RABasic::addMBBLiveIns to the base class, it is generally useful.
Minor optimization to the use of IntervalMap iterators. They are fairly
heavyweight, so prefer SI.valid() over SI != end().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121217 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/LiveIntervalUnion.h')
| -rw-r--r-- | lib/CodeGen/LiveIntervalUnion.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/LiveIntervalUnion.h b/lib/CodeGen/LiveIntervalUnion.h index 2068149ca0..0c9a13a606 100644 --- a/lib/CodeGen/LiveIntervalUnion.h +++ b/lib/CodeGen/LiveIntervalUnion.h @@ -75,6 +75,7 @@ public: // by their starting position. SegmentIter begin() { return Segments.begin(); } SegmentIter end() { return Segments.end(); } + bool empty() { return Segments.empty(); } // Add a live virtual register to this union and merge its segments. void unify(LiveInterval &VirtReg); |