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llvm-mirror/lib/Transforms/IPO
Peter Collingbourne e60f3e06fc LowerBitSets: Align referenced globals.
This change aligns globals to the next highest power of 2 bytes, up to a
maximum of 128. This makes it more likely that we will be able to compress
bit sets with a greater alignment. In many more cases, we can now take
advantage of a new optimization also introduced in this patch that removes
bit set checks if the bit set is all ones.

The 128 byte maximum was found to provide the best tradeoff between instruction
overhead and data overhead in a recent build of Chromium. It allows us to
remove ~2.4MB of instructions at the cost of ~250KB of data.

Differential Revision: http://reviews.llvm.org/D7873

llvm-svn: 230540
2015-02-25 20:42:41 +00:00
..
ArgumentPromotion.cpp Add range adapters predecessors() and successors() for BBs 2015-02-04 19:14:57 +00:00
BarrierNoopPass.cpp
CMakeLists.txt Introduce bitset metadata format and bitset lowering pass. 2015-02-20 20:30:47 +00:00
ConstantMerge.cpp Repace SmallPtrSet with SmallPtrSetImpl in function arguments to avoid needing to mention the size. 2014-08-21 05:55:13 +00:00
DeadArgumentElimination.cpp DeadArgElim: aggregate Return assessment properly. 2015-02-11 23:13:11 +00:00
ExtractGV.cpp Reformat partially, where I touched for whitespace changes. 2014-10-28 11:54:52 +00:00
FunctionAttrs.cpp [PM] Separate the TargetLibraryInfo object from the immutable pass. 2015-01-15 10:41:28 +00:00
GlobalDCE.cpp Prologue support 2014-12-03 02:08:38 +00:00
GlobalOpt.cpp [PM] Separate the TargetLibraryInfo object from the immutable pass. 2015-01-15 10:41:28 +00:00
InlineAlways.cpp [PM] Split the AssumptionTracker immutable pass into two separate APIs: 2015-01-04 12:03:27 +00:00
Inliner.cpp Transforms: Canonicalize access to function attributes, NFC 2015-02-14 01:11:29 +00:00
InlineSimple.cpp [PM] Split the AssumptionTracker immutable pass into two separate APIs: 2015-01-04 12:03:27 +00:00
Internalize.cpp Use range based for loops to avoid needing to re-mention SmallPtrSet size. 2014-08-24 23:23:06 +00:00
IPConstantPropagation.cpp
IPO.cpp Introduce bitset metadata format and bitset lowering pass. 2015-02-20 20:30:47 +00:00
LLVMBuild.txt Update libdeps since TLI was moved from Target to Analysis in r226078. 2015-01-15 05:21:00 +00:00
LoopExtractor.cpp [PM] Lift the analyses into the interface for 2015-01-19 03:03:39 +00:00
LowerBitSets.cpp LowerBitSets: Align referenced globals. 2015-02-25 20:42:41 +00:00
Makefile
MergeFunctions.cpp Update SetVector to rely on the underlying set's insert to return a pair<iterator, bool> 2014-11-19 07:49:26 +00:00
PartialInlining.cpp Add range adapters predecessors() and successors() for BBs 2015-02-04 19:14:57 +00:00
PassManagerBuilder.cpp Introduce bitset metadata format and bitset lowering pass. 2015-02-20 20:30:47 +00:00
PruneEH.cpp Don't promote asynch EH invokes of nounwind functions to calls 2015-02-11 01:23:16 +00:00
StripDeadPrototypes.cpp
StripSymbols.cpp IR: Split Metadata from Value 2014-12-09 18:38:53 +00:00