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llvm-6502/lib/Transforms/Scalar
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David Majnemer a1b821fac9 [LICM] Don't try to sink values out of loops without any exits 
There is no suitable basic block to sink instructions in loops without
exits.  The only way an instruction in a loop without exits can be used
is as an incoming value to a PHI.  In such cases, the incoming block for
the corresponding value is unreachable.

This fixes PR24013.

Differential Revision: http://reviews.llvm.org/D10903

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241987 91177308-0d34-0410-b5e6-96231b3b80d8
2015-07-12 03:53:05 +00:00
..
ADCE.cpp Revert the new EH instructions 2015-07-10 07:15:17 +00:00
AlignmentFromAssumptions.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
BDCE.cpp Revert the new EH instructions 2015-07-10 07:15:17 +00:00
CMakeLists.txt
ConstantHoisting.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +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 Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
DCE.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
DeadStoreElimination.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
EarlyCSE.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
FlattenCFGPass.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
Float2Int.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
GVN.cpp [PM/AA] Completely remove the AliasAnalysis::copyValue interface. 2015-07-11 04:39:00 +00:00
InductiveRangeCheckElimination.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
IndVarSimplify.cpp [IndVars] Try to use existing values in RewriteLoopExitValues. 2015-07-09 18:46:12 +00:00
JumpThreading.cpp Revert the new EH instructions 2015-07-10 07:15:17 +00:00
LICM.cpp [LICM] Don't try to sink values out of loops without any exits 2015-07-12 03:53:05 +00:00
LLVMBuild.txt
LoadCombine.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
LoopDeletion.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
LoopDistribute.cpp [LoopDist/LoopVer] Move LoopVersioning to a new module, NFC 2015-07-10 18:55:13 +00:00
LoopIdiomRecognize.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
LoopInstSimplify.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
LoopInterchange.cpp Rename Reduction variables/structures to Recurrence. 2015-06-16 18:07:34 +00:00
LoopRerollPass.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
LoopRotation.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
LoopStrengthReduce.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
LoopUnrollPass.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
LoopUnswitch.cpp This change fixes three bugs in loop unswitching. This change causes an 81% speed-up on a benchmark that is based on EigenConvolutionKernel2D from Eigen3, where the lack of loop unswitching blocks hoisting of loads out of a nested loop (see bug 23816 for how loop unswitching and load hoisting are related). 2015-06-23 18:26:50 +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 Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
Makefile
MemCpyOptimizer.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
MergedLoadStoreMotion.cpp [PM/AA] Completely remove the AliasAnalysis::copyValue interface. 2015-07-11 04:39:00 +00:00
NaryReassociate.cpp [NaryReassociate] enhances nsw by leveraging @llvm.assume 2015-07-01 03:38:49 +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 Rename llvm.frameescape and llvm.framerecover to localescape and localrecover 2015-07-07 22:25:32 +00:00
Reassociate.cpp [Reassociate] Don't propogate flags when creating negations 2015-06-24 21:27:36 +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 [RewriteStatepointsForGC] Generalized vector phi/select handling for base pointers 2015-06-26 22:47:37 +00:00
SampleProfile.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
Scalar.cpp
Scalarizer.cpp Revert 239644. 2015-06-13 01:08:00 +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 Revert the new EH instructions 2015-07-10 07:15:17 +00:00
SeparateConstOffsetFromGEP.cpp SeparateConstOffsetFromGEP: Pass address space to isLegalAddressingMode 2015-06-07 20:17:44 +00:00
SimplifyCFGPass.cpp fix typos; NFC 2015-06-24 20:42:33 +00:00
Sink.cpp [PM/AA] Remove the Location typedef from the AliasAnalysis class now 2015-06-17 07:18:54 +00:00
SpeculativeExecution.cpp [Speculation] NFC: more header comments 2015-05-19 20:52:45 +00:00
SROA.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
StraightLineStrengthReduce.cpp [SLSR] S's basis must have the same type as S 2015-06-28 17:45:05 +00:00
StructurizeCFG.cpp
TailRecursionElimination.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00