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llvm-mirror/lib/Transforms/Scalar
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Cong Hou 33d543ef55 Update the branch weight metadata in JumpThreading pass. 
Currently in JumpThreading pass, the branch weight metadata is not updated after CFG modification. Consider the jump threading on PredBB, BB, and SuccBB. After jump threading, the weight on BB->SuccBB should be adjusted as some of it is contributed by the edge PredBB->BB, which doesn't exist anymore. This patch tries to update the edge weight in metadata on BB->SuccBB by scaling it by 1 - Freq(PredBB->BB) / Freq(BB->SuccBB).

Differential revision: http://reviews.llvm.org/D10979

llvm-svn: 250204
2015-10-13 18:43:10 +00:00
..
ADCE.cpp ADCE: Fix typo in file comment. NFC 2015-09-25 21:03:46 +00:00
AlignmentFromAssumptions.cpp [SCEV] Introduce ScalarEvolution::getOne and getZero. 2015-09-23 01:59:04 +00:00
BDCE.cpp Add GlobalsAA as preserved to a bunch of transforms 2015-09-10 10:22:12 +00:00
CMakeLists.txt Convert SampleProfile pass into a Module pass. 2015-08-25 15:25:11 +00:00
ConstantHoisting.cpp Scalar: Remove some implicit ilist iterator conversions, NFC 2015-10-13 18:26:00 +00:00
ConstantProp.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
CorrelatedValuePropagation.cpp Scalar: Remove some implicit ilist iterator conversions, NFC 2015-10-13 18:26:00 +00:00
DCE.cpp Scalar: Remove some implicit ilist iterator conversions, NFC 2015-10-13 18:26:00 +00:00
DeadStoreElimination.cpp Scalar: Remove some implicit ilist iterator conversions, NFC 2015-10-13 18:26:00 +00:00
EarlyCSE.cpp Scalar: Remove some implicit ilist iterator conversions, NFC 2015-10-13 18:26:00 +00:00
FlattenCFGPass.cpp Scalar: Remove some implicit ilist iterator conversions, NFC 2015-10-13 18:26:00 +00:00
Float2Int.cpp Prune trailing whitespaces. 2015-09-22 11:19:03 +00:00
GVN.cpp Scalar: Remove some implicit ilist iterator conversions, NFC 2015-10-13 18:26:00 +00:00
InductiveRangeCheckElimination.cpp Scalar: Remove some implicit ilist iterator conversions, NFC 2015-10-13 18:26:00 +00:00
IndVarSimplify.cpp Scalar: Remove some implicit ilist iterator conversions, NFC 2015-10-13 18:26:00 +00:00
JumpThreading.cpp Update the branch weight metadata in JumpThreading pass. 2015-10-13 18:43:10 +00:00
LICM.cpp [LICM] Hoist calls to readonly argmemonly functions even with stores in the loop 2015-09-21 22:27:59 +00:00
LLVMBuild.txt Update libdeps in LLVMipo and LLVMScalarOpts, corresponding to r245940. 2015-08-25 17:11:17 +00:00
LoadCombine.cpp [PM/AA] Rebuild LLVM's alias analysis infrastructure in a way compatible 2015-09-09 17:55:00 +00:00
LoopDeletion.cpp Add GlobalsAA as preserved to a bunch of transforms 2015-09-10 10:22:12 +00:00
LoopDistribute.cpp [LVer] Fix FIXME: hide addPHINodes, NFC 2015-08-20 17:22:29 +00:00
LoopIdiomRecognize.cpp [SCEV] Introduce ScalarEvolution::getOne and getZero. 2015-09-23 01:59:04 +00:00
LoopInstSimplify.cpp [PM] Port ScalarEvolution to the new pass manager. 2015-08-17 02:08:17 +00:00
LoopInterchange.cpp [PM/AA] Rebuild LLVM's alias analysis infrastructure in a way compatible 2015-09-09 17:55:00 +00:00
LoopRerollPass.cpp [LoopReroll] Ignore debug intrinsics 2015-09-28 17:03:23 +00:00
LoopRotation.cpp [PM/AA] Rebuild LLVM's alias analysis infrastructure in a way compatible 2015-09-09 17:55:00 +00:00
LoopStrengthReduce.cpp Replace some calls to isa<LandingPadInst> with isEHPad() 2015-08-19 19:54:02 +00:00
LoopUnrollPass.cpp [Unroll] Do not crash trying to propagate a value to vector load. 2015-09-22 22:27:12 +00:00
LoopUnswitch.cpp Generalize convergent check to handle invokes as well as calls. 2015-10-09 20:17:46 +00:00
LowerAtomic.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
LowerExpectIntrinsic.cpp fix typo; NFC 2015-08-24 20:11:14 +00:00
Makefile
MemCpyOptimizer.cpp [MemCpyOpt] Fix wrong merging adjacent nontemporal stores into memset calls. 2015-10-09 10:53:41 +00:00
MergedLoadStoreMotion.cpp Fix Clang-tidy modernize-use-nullptr warnings in source directories and generated files; other minor cleanups. 2015-10-06 23:24:35 +00:00
NaryReassociate.cpp [NaryReassociate] SeenExprs records WeakVH 2015-10-01 03:51:44 +00:00
PartiallyInlineLibCalls.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
PlaceSafepoints.cpp [PlaceSafeopints] Extract out callsGCLeafFunction, NFC 2015-10-08 23:18:30 +00:00
Reassociate.cpp Add GlobalsAA as preserved to a bunch of transforms 2015-09-10 10:22:12 +00:00
Reg2Mem.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
RewriteStatepointsForGC.cpp [RS4GC] Refactoring to make a later change easier, NFCI 2015-10-08 23:18:38 +00:00
Scalar.cpp [PM] Port SROA to the new pass manager. 2015-09-12 09:09:14 +00:00
Scalarizer.cpp Prevent the scalarizer from caching incorrect entries 2015-08-10 14:48:47 +00:00
ScalarReplAggregates.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
SCCP.cpp Add GlobalsAA as preserved to a bunch of transforms 2015-09-10 10:22:12 +00:00
SeparateConstOffsetFromGEP.cpp Swap loop invariant GEP with loop variant GEP to allow more LICM. 2015-09-23 19:25:30 +00:00
SimplifyCFGPass.cpp Add GlobalsAA as preserved to a bunch of transforms 2015-09-10 10:22:12 +00:00
Sink.cpp Refine the definition of convergent to only disallow the addition of new control dependencies. 2015-10-09 18:06:13 +00:00
SpeculativeExecution.cpp [Speculation] NFC: more header comments 2015-05-19 20:52:45 +00:00
SROA.cpp [PM] Port SROA to the new pass manager. 2015-09-12 09:09:14 +00:00
StraightLineStrengthReduce.cpp [SCEV] Introduce ScalarEvolution::getOne and getZero. 2015-09-23 01:59:04 +00:00
StructurizeCFG.cpp Convert a bunch of loops to foreach. NFC. 2015-08-06 20:22:46 +00:00
TailRecursionElimination.cpp Add GlobalsAA as preserved to a bunch of transforms 2015-09-10 10:22:12 +00:00