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| author | rdivacky <rdivacky@FreeBSD.org> | 2010-05-04 16:11:02 +0000 |
|---|---|---|
| committer | rdivacky <rdivacky@FreeBSD.org> | 2010-05-04 16:11:02 +0000 |
| commit | 750ce4d809c7e2a298a389a512a17652ff5be3f2 (patch) | |
| tree | 70fbd90da02177c8e6ef82adba9fa8ace285a5e3 /lib/CodeGen/Spiller.cpp | |
| parent | 5f970ec96e421f64db6b1c6509a902ea73d98cc7 (diff) | |
| download | FreeBSD-src-750ce4d809c7e2a298a389a512a17652ff5be3f2.zip FreeBSD-src-750ce4d809c7e2a298a389a512a17652ff5be3f2.tar.gz | |
Update LLVM to r103004.
Diffstat (limited to 'lib/CodeGen/Spiller.cpp')
| -rw-r--r-- | lib/CodeGen/Spiller.cpp | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/lib/CodeGen/Spiller.cpp b/lib/CodeGen/Spiller.cpp index 7ba4403..63c5554 100644 --- a/lib/CodeGen/Spiller.cpp +++ b/lib/CodeGen/Spiller.cpp @@ -46,7 +46,6 @@ namespace { /// Utility class for spillers. class SpillerBase : public Spiller { protected: - MachineFunction *mf; LiveIntervals *lis; MachineFrameInfo *mfi; @@ -160,9 +159,11 @@ protected: return added; } - }; +} // end anonymous namespace + +namespace { /// Spills any live range using the spill-everywhere method with no attempt at /// folding. @@ -178,9 +179,12 @@ public: // Ignore spillIs - we don't use it. return trivialSpillEverywhere(li); } - }; +} // end anonymous namespace + +namespace { + /// Falls back on LiveIntervals::addIntervalsForSpills. class StandardSpiller : public Spiller { protected: @@ -198,9 +202,12 @@ public: SlotIndex*) { return lis->addIntervalsForSpills(*li, spillIs, loopInfo, *vrm); } - }; +} // end anonymous namespace + +namespace { + /// When a call to spill is placed this spiller will first try to break the /// interval up into its component values (one new interval per value). /// If this fails, or if a call is placed to spill a previously split interval @@ -513,15 +520,16 @@ private: }; -} +} // end anonymous namespace + llvm::Spiller* llvm::createSpiller(MachineFunction *mf, LiveIntervals *lis, const MachineLoopInfo *loopInfo, VirtRegMap *vrm) { switch (spillerOpt) { - case trivial: return new TrivialSpiller(mf, lis, vrm); break; - case standard: return new StandardSpiller(lis, loopInfo, vrm); break; - case splitting: return new SplittingSpiller(mf, lis, loopInfo, vrm); break; - default: llvm_unreachable("Unreachable!"); break; + default: assert(0 && "unknown spiller"); + case trivial: return new TrivialSpiller(mf, lis, vrm); + case standard: return new StandardSpiller(lis, loopInfo, vrm); + case splitting: return new SplittingSpiller(mf, lis, loopInfo, vrm); } } |
