Chris Lattner a177c67471 If one side of and/or is known to be 0/-1, it doesn't matter ...

if the other side is overdefined.

This allows us to fold conditions like:  if (X < Y || Y > Z) in some cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18807 91177308-0d34-0410-b5e6-96231b3b80d8

2004-12-11 23:15:19 +00:00

..

ADCE.cpp

Getting ADCE to interact well with unreachable instructions seems like a nontrivial

2004-10-17 23:45:06 +00:00

BasicBlockPlacement.cpp

Changes For Bug 352

2004-09-01 22:55:40 +00:00

ConstantProp.cpp

Prototype these functions more accurately

2004-09-20 04:43:15 +00:00

CorrelatedExprs.cpp

Prototype these functions more accurately

2004-09-20 04:43:15 +00:00

DCE.cpp

Prototype these functions more accurately

2004-09-20 04:43:15 +00:00

DeadStoreElimination.cpp

Make DSE potentially more aggressive by being more specific about alloca sizes.

2004-11-28 20:44:37 +00:00

GCSE.cpp

Changes For Bug 352

2004-09-01 22:55:40 +00:00

IndVarSimplify.cpp

Convert 'struct' to 'class' in various places to adhere to the coding standards

2004-10-27 16:14:51 +00:00

InstructionCombining.cpp

note to self: Do not check in debugging code!

2004-12-09 07:15:52 +00:00

LICM.cpp

Allow hoisting loads of globals and alloca's in conditionals.

2004-11-29 21:26:12 +00:00

LoopStrengthReduce.cpp

Initial implementation of the strength reduction for GEP instructions in

2004-10-18 21:08:22 +00:00

LoopUnroll.cpp

Do not consider debug intrinsics in the size computations for loop unrolling.

2004-11-22 17:18:36 +00:00

LoopUnswitch.cpp

Fixes to make LLVM compile with vc7.1.

2004-09-03 18:19:51 +00:00

LowerConstantExprs.cpp

…

LowerGC.cpp

Initialize with the correct constant type

2004-10-27 03:55:24 +00:00

LowerPacked.cpp

Fix the exposed prototype for the lower packed pass, thanks to

2004-11-19 16:49:34 +00:00

Makefile

Change Library Names Not To Conflict With Others When Installed

2004-10-27 23:18:45 +00:00

PRE.cpp

This pass is completely broken.

2004-11-30 17:09:06 +00:00

Reassociate.cpp

Changes For Bug 352

2004-09-01 22:55:40 +00:00

ScalarReplAggregates.cpp

Remove unused variable for compilation by VC++.

2004-11-15 17:29:41 +00:00

SCCP.cpp

If one side of and/or is known to be 0/-1, it doesn't matter

2004-12-11 23:15:19 +00:00

SimplifyCFG.cpp

Hrm, some people complain when the compiler cheerfully tells them what it's

2004-10-19 06:33:16 +00:00

TailDuplication.cpp

Do not count debugger intrinsics in size estimation.

2004-11-22 17:23:57 +00:00

TailRecursionElimination.cpp

Changes For Bug 352

2004-09-01 22:55:40 +00:00