Chris Lattner d0458e5d4f Three improvements: ...

1. Check for revisiting a block before checking domination, which is faster.
  2. If the stored value isn't an instruction, we don't have to check for domination.
  3. If we have a value used in the same block more than once, make sure to remove the
     block from the UsingBlocks vector.  Not doing so forces us to go through the slow
     path for the alloca.

The combination of these improvements increases the number of allocas on the fastpath
from 8935 to 8982 on PR1432.  This speeds it up from 2.90s to 2.20s (31%)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40811 91177308-0d34-0410-b5e6-96231b3b80d8

2007-08-04 02:32:22 +00:00

..

BasicBlockUtils.cpp

After a basic block is split into two parts,

2007-07-19 02:29:24 +00:00

BasicInliner.cpp

Use SmallPtrSet.

2007-07-27 18:34:27 +00:00

BreakCriticalEdges.cpp

Do not preserve ETForest.

2007-06-08 00:02:08 +00:00

CloneFunction.cpp

Change uses of Function::front to Function::getEntryBlock for readability.

2007-03-22 16:38:57 +00:00

CloneModule.cpp

During module cloning copy aliases too. This fixes PR1544

2007-07-10 19:07:35 +00:00

CloneTrace.cpp

…

CodeExtractor.cpp

New CallInst interface to address GLIBCXX_DEBUG errors caused by

2007-08-01 03:43:44 +00:00

DemoteRegToStack.cpp

Adding ability to demote phi to stack.

2007-07-11 18:41:34 +00:00

InlineCost.cpp

Use SmallPtrSet.

2007-07-27 18:34:27 +00:00

InlineFunction.cpp

Fix PR1335 and Transforms/Inline/2007-04-15-InlineEH.ll

2007-04-15 21:38:06 +00:00

LCSSA.cpp

LCSSA preserves dom info.

2007-07-30 20:23:45 +00:00

Local.cpp

Move the GET_SIDE_EFFECT_INFO logic from isInstructionTriviallyDead

2007-07-26 16:06:08 +00:00

LoopSimplify.cpp

Verify loop info.

2007-07-19 18:02:32 +00:00

LowerAllocations.cpp

More explicit keywords.

2007-08-01 15:32:29 +00:00

LowerInvoke.cpp

More explicit keywords.

2007-08-01 15:32:29 +00:00

LowerSelect.cpp

More explicit keywords.

2007-08-01 15:32:29 +00:00

LowerSwitch.cpp

Fix typo in comment.

2007-05-06 13:37:16 +00:00

Makefile

…

Mem2Reg.cpp

Use DominatorTree instead of ETForest.

2007-06-07 21:57:03 +00:00

PromoteMemoryToRegister.cpp

Three improvements:

2007-08-04 02:32:22 +00:00

SimplifyCFG.cpp

New CallInst interface to address GLIBCXX_DEBUG errors caused by

2007-08-01 03:43:44 +00:00

UnifyFunctionExitNodes.cpp

Drop 'const'

2007-05-03 01:11:54 +00:00

ValueMapper.cpp

Fix comments about vectors to use the current wording.

2007-07-16 14:29:03 +00:00

ValueMapper.h

…