llvm/lib/Transforms/Utils
Manman Ren aa6627016f PGO branch weight: keep halving the weights until they can fit into
uint32.

When folding branches to common destination, the updated branch weights
can exceed uint32 by more than factor of 2. We should keep halving the
weights until they can fit into uint32.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200262 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-27 23:39:03 +00:00
..
ASanStackFrameLayout.cpp [asan] fix ndebug build with strict warnings (-Wunused-variable) 2013-12-06 09:26:09 +00:00
BasicBlockUtils.cpp [PM] Split DominatorTree into a concrete analysis result object which 2014-01-13 13:07:17 +00:00
BreakCriticalEdges.cpp [PM] Split DominatorTree into a concrete analysis result object which 2014-01-13 13:07:17 +00:00
BuildLibCalls.cpp Enable double to float shrinking optimizations for binary functions like 'fmin/fmax'. Fix radar:15283121 2013-12-16 22:42:40 +00:00
BypassSlowDivision.cpp Bypass Slow Divides 2013-03-04 18:13:57 +00:00
CloneFunction.cpp Extend RemapInstruction and friends to take an optional new parameter, a ValueMaterializer. 2013-05-28 15:17:05 +00:00
CloneModule.cpp Move all of the header files which are involved in modelling the LLVM IR 2013-01-02 11:36:10 +00:00
CMakeLists.txt [asan] rewrite asan's stack frame layout 2013-12-06 09:00:17 +00:00
CmpInstAnalysis.cpp Move all of the header files which are involved in modelling the LLVM IR 2013-01-02 11:36:10 +00:00
CodeExtractor.cpp [cleanup] Move the Dominators.h and Verifier.h headers into the IR 2014-01-13 09:26:24 +00:00
DemoteRegToStack.cpp Re-sort all of the includes with ./utils/sort_includes.py so that 2014-01-07 11:48:04 +00:00
FlattenCFG.cpp Fix known typos 2014-01-24 17:20:08 +00:00
GlobalStatus.cpp Handle calls and invokes in GlobalStatus. 2013-10-25 21:29:52 +00:00
InlineFunction.cpp Fix inlining to not lose the "cleanup" clause from landingpads 2013-12-08 00:51:21 +00:00
InstructionNamer.cpp Move all of the header files which are involved in modelling the LLVM IR 2013-01-02 11:36:10 +00:00
IntegerDivision.cpp Add support for software expansion of 64-bit integer division instructions. 2013-11-19 06:54:19 +00:00
LCSSA.cpp [LPM] Make LCSSA a utility with a FunctionPass that applies it to all 2014-01-25 04:07:24 +00:00
LLVMBuild.txt LLVMBuild: Remove trailing newline, which irked me. 2011-12-12 19:48:00 +00:00
Local.cpp [PM] Split DominatorTree into a concrete analysis result object which 2014-01-13 13:07:17 +00:00
LoopSimplify.cpp [LPM] Make LoopSimplify no longer a LoopPass and instead both a utility 2014-01-23 11:23:19 +00:00
LoopUnroll.cpp [LPM] Make LoopSimplify no longer a LoopPass and instead both a utility 2014-01-23 11:23:19 +00:00
LoopUnrollRuntime.cpp Move all of the header files which are involved in modelling the LLVM IR 2013-01-02 11:36:10 +00:00
LowerExpectIntrinsic.cpp Fix spelling intruction -> instruction. 2013-09-28 11:46:15 +00:00
LowerInvoke.cpp Remove several unused variables. 2013-10-01 13:32:03 +00:00
LowerSwitch.cpp Revert patches to add case-range support for PR1255. 2013-09-09 19:14:35 +00:00
Makefile make -fno-rtti the default unless a directory builds with REQUIRES_RTTI. 2010-01-24 20:43:08 +00:00
Mem2Reg.cpp [PM] Split DominatorTree into a concrete analysis result object which 2014-01-13 13:07:17 +00:00
MetaRenamer.cpp Add 'const' qualifier to some arrays. 2013-07-15 08:02:13 +00:00
ModuleUtils.cpp Respect llvm.used in Internalize. 2013-07-25 03:23:25 +00:00
PromoteMemoryToRegister.cpp [cleanup] Move the Dominators.h and Verifier.h headers into the IR 2014-01-13 09:26:24 +00:00
SimplifyCFG.cpp PGO branch weight: keep halving the weights until they can fit into 2014-01-27 23:39:03 +00:00
SimplifyIndVar.cpp [cleanup] Move the Dominators.h and Verifier.h headers into the IR 2014-01-13 09:26:24 +00:00
SimplifyInstructions.cpp [PM] Split DominatorTree into a concrete analysis result object which 2014-01-13 13:07:17 +00:00
SimplifyLibCalls.cpp Enable double to float shrinking optimizations for binary functions like 'fmin/fmax'. Fix radar:15283121 2013-12-16 22:42:40 +00:00
SpecialCaseList.cpp Re-sort all of the includes with ./utils/sort_includes.py so that 2014-01-07 11:48:04 +00:00
SSAUpdater.cpp Basic blocks typically have few predecessors. Use a SmallDenseMap to 2013-10-14 16:05:55 +00:00
UnifyFunctionExitNodes.cpp Move all of the header files which are involved in modelling the LLVM IR 2013-01-02 11:36:10 +00:00
Utils.cpp Re-sort all of the includes with ./utils/sort_includes.py so that 2014-01-07 11:48:04 +00:00
ValueMapper.cpp Extend RemapInstruction and friends to take an optional new parameter, a ValueMaterializer. 2013-05-28 15:17:05 +00:00