[llvm-commits] [llvm] r122733 - /llvm/trunk/lib/Transforms/Scalar/EarlyCSE.cpp
Chris Lattner
sabre at nondot.org
Sun Jan 2 19:53:50 PST 2011
Author: lattner
Date: Sun Jan 2 21:53:50 2011
New Revision: 122733
URL: http://llvm.org/viewvc/llvm-project?rev=122733&view=rev
Log:
switch the load table to use a recycling bump pointer allocator,
speeding earlycse up by 6%.
Modified:
llvm/trunk/lib/Transforms/Scalar/EarlyCSE.cpp
Modified: llvm/trunk/lib/Transforms/Scalar/EarlyCSE.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/EarlyCSE.cpp?rev=122733&r1=122732&r2=122733&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/EarlyCSE.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/EarlyCSE.cpp Sun Jan 2 21:53:50 2011
@@ -221,7 +221,10 @@
/// the current generation count. The current generation count is
/// incremented after every possibly writing memory operation, which ensures
/// that we only CSE loads with other loads that have no intervening store.
- typedef ScopedHashTable<Value*, std::pair<Value*, unsigned> > LoadHTType;
+ typedef RecyclingAllocator<BumpPtrAllocator,
+ ScopedHashTableVal<Value*, std::pair<Value*, unsigned> > > LoadMapAllocator;
+ typedef ScopedHashTable<Value*, std::pair<Value*, unsigned>,
+ DenseMapInfo<Value*>, LoadMapAllocator> LoadHTType;
LoadHTType *AvailableLoads;
/// AvailableCalls - This scoped hash table contains the current values
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