Chris Lattner 3c6a0d4ae2 Implement InstCombine:shift.ll:test16, which turns (X >> C1) & C2 != C3 ...

into (X & (C2 << C1)) != (C3 << C1), where the shift may be either left or
right and the compare may be any one.

This triggers 1546 times in 176.gcc alone, as it is a common pattern that
occurs for bitfield accesses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13740 91177308-0d34-0410-b5e6-96231b3b80d8

2004-05-25 06:32:08 +00:00

..

ADCE.cpp

Do not mark instructions in unreachable sections of the function as live.

2004-05-04 17:00:46 +00:00

BasicBlockPlacement.cpp

Remove obsolete comment. Unreachable blocks will automatically be left at the

2004-02-11 05:20:50 +00:00

ConstantProp.cpp

Changes to fix up the inst_iterator to pass to boost iterator checks. This

2004-04-27 15:13:33 +00:00

CorrelatedExprs.cpp

Remove use of the ConstantHandling interfaces

2004-01-12 19:12:50 +00:00

DCE.cpp

Changes to fix up the inst_iterator to pass to boost iterator checks. This

2004-04-27 15:13:33 +00:00

DecomposeMultiDimRefs.cpp

Finegrainify namespacification

2004-01-09 06:02:20 +00:00

GCSE.cpp

Add support for replacement of formal arguments with simpler expressions.

2004-05-23 21:19:55 +00:00

IndVarSimplify.cpp

Move the scev expansion code into this pass, where it belongs. There is

2004-04-23 21:29:48 +00:00

InstructionCombining.cpp

Implement InstCombine:shift.ll:test16, which turns (X >> C1) & C2 != C3

2004-05-25 06:32:08 +00:00

LICM.cpp

Adjust to the changes in the AliasSetTracker interface

2004-05-23 21:20:19 +00:00

LoopUnroll.cpp

Fix a nasty bug that caused us to unroll EXTREMELY large loops due to overflow

2004-05-13 20:43:31 +00:00

LoopUnswitch.cpp

Initial checkin of a simple loop unswitching pass. It still needs work,

2004-04-19 18:07:02 +00:00

LowerGC.cpp

Spelling people's names right is kinda important

2004-05-23 21:27:29 +00:00

Makefile

Added LLVM copyright notice to Makefiles.

2003-10-20 22:26:57 +00:00

PiNodeInsertion.cpp

Finegrainify namespacification

2004-01-09 06:02:20 +00:00

PRE.cpp

Finegrainify namespacification

2004-01-09 06:02:20 +00:00

Reassociate.cpp

Finegrainify namespacification

2004-01-09 06:02:20 +00:00

ScalarReplAggregates.cpp

Support getelementptr instructions which use uint's to index into structure

2004-04-05 01:30:19 +00:00

SCCP.cpp

Add SCCP support for constant folding calls, implementing:

2004-04-13 19:43:54 +00:00

SimplifyCFG.cpp

Finegrainify namespacification

2004-01-09 06:02:20 +00:00

SymbolStripping.cpp

Update obsolete comments

2004-01-10 21:36:49 +00:00

TailDuplication.cpp

Make the tail duplication threshold accessible from the command line instead of hardcoded

2004-04-18 00:52:43 +00:00

TailRecursionElimination.cpp

Adjust to the new BasicBlock ctor, which requires a function parameter

2004-02-04 03:58:28 +00:00