Dan Gohman 40a5a1b39e Extend ScalarEvolution's multiple-exit support to compute exact ... trip counts in more cases. Generalize ScalarEvolution's isLoopGuardedByCond code to recognize And and Or conditions, splitting the code out into an isNecessaryCond helper function so that it can evaluate Ands and Ors recursively, and make SCEVExpander be much more aggressive about hoisting instructions out of loops. test/CodeGen/X86/pr3495.ll has an additional instruction now, but it appears to be due to an arbitrary register allocation difference. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74048 91177308-0d34-0410-b5e6-96231b3b80d8		2009-06-24 01:18:18 +00:00
..
ADCE.cpp	Allow readonly functions to unwind exceptions. Teach	2009-05-06 06:49:50 +00:00
BasicBlockPlacement.cpp
CMakeLists.txt
CodeGenPrepare.cpp	Fix old-style type names in comments.	2009-06-14 23:30:43 +00:00
CondPropagate.cpp	Avoid making the transformation enabled by my last patch if the new destinations have phi nodes.	2009-04-15 00:43:54 +00:00
ConstantProp.cpp
DCE.cpp
DeadStoreElimination.cpp	Rename PaddedSize to AllocSize, in the hope that this	2009-05-09 07:06:46 +00:00
GVN.cpp	This fixes a bug introduced in 72661, which can	2009-06-17 20:48:23 +00:00
GVNPRE.cpp	Split the Add, Sub, and Mul instruction opcodes into separate	2009-06-04 22:49:04 +00:00
IndVarSimplify.cpp	Extend ScalarEvolution's multiple-exit support to compute exact	2009-06-24 01:18:18 +00:00
InstructionCombining.cpp	Generalize the zext(trunc(t) & C) instcombine to work even with	2009-06-18 16:30:21 +00:00
JumpThreading.cpp	make jump threading handle lexically identical compare instructions	2009-06-19 16:27:56 +00:00
LICM.cpp
LoopDeletion.cpp	SCEVHandle is no more!	2009-06-22 21:39:50 +00:00
LoopIndexSplit.cpp	Support vector casts in more places, fixing a variety of assertion	2009-06-15 22:12:54 +00:00
LoopRotation.cpp
LoopStrengthReduce.cpp	Extend ScalarEvolution's multiple-exit support to compute exact	2009-06-24 01:18:18 +00:00
LoopUnroll.cpp	Adjust loop size estimate for full unrolling;	2009-04-20 22:19:33 +00:00
LoopUnswitch.cpp	Allow readonly functions to unwind exceptions. Teach	2009-05-06 06:49:50 +00:00
Makefile
MemCpyOptimizer.cpp	Rename PaddedSize to AllocSize, in the hope that this	2009-05-09 07:06:46 +00:00
PredicateSimplifier.cpp	Use cast<> instead of dyn_cast<> for things that are known to be	2009-06-06 17:49:35 +00:00
Reassociate.cpp
Reg2Mem.cpp
Scalar.cpp
ScalarReplAggregates.cpp	Use Type::getScalarType.	2009-06-16 00:20:26 +00:00
SCCP.cpp	Don't crash on multiple return value with no obvious inserted value.	2009-06-06 23:13:08 +00:00
SimplifyCFGPass.cpp	second half of fix for PR4366: don't zap store to null of	2009-06-12 21:01:07 +00:00
SimplifyHalfPowrLibCalls.cpp
SimplifyLibCalls.cpp	part of PR4405: disable a contentious optimization for	2009-06-19 04:17:36 +00:00
TailDuplication.cpp	Allow readonly functions to unwind exceptions. Teach	2009-05-06 06:49:50 +00:00
TailRecursionElimination.cpp	Improve tail call elim to move loads above readonly calls	2009-06-19 04:22:16 +00:00