Dan Gohman 488fbfc69e Make SimplifyDemandedVectorElts simplify vectors with multiple ...

users, and teach it about shufflevector instructions.

Also, fix a subtle bug in SimplifyDemandedVectorElts'
insertelement code.

This is a patch that was originally written by Eli Friedman,
with some fixes and cleanup by me.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55995 91177308-0d34-0410-b5e6-96231b3b80d8

2008-09-09 18:11:14 +00:00

..

ADCE

Remove the ability for ADCE to remove unreachable blocks in loop nests, because, as Eli pointed out, SimplifyCFG already does this.

2008-07-03 17:21:41 +00:00

ArgumentPromotion

Update the callgraph correctly in ArgumentPromotion.

2008-09-08 11:07:35 +00:00

BlockPlacement

Let some more tests ignore expected output on stderr.

2008-06-10 15:04:14 +00:00

BranchFolding

Don't branch fold inline asm statements.

2007-10-19 21:09:55 +00:00

CodeExtractor

sabre brings to my attention that the 'tr' suffix is also obsolete

2008-05-20 21:00:03 +00:00

CondProp

Remove llvm-upgrade and update test cases.

2008-03-01 09:15:35 +00:00

ConstantMerge

sabre brings to my attention that the 'tr' suffix is also obsolete

2008-05-20 21:00:03 +00:00

ConstProp

Fix a case where vector comparison constant folding would cause an

2008-07-10 00:29:28 +00:00

DeadArgElim

Un-XFAIL multdeadretval, since instcombine now properly handles the mess deadargelim leaves behind :-)

2008-07-16 12:56:52 +00:00

DeadStoreElimination

Add support for eliminating stores that store the same value that was just loaded.

2008-07-28 16:14:26 +00:00

GlobalDCE

sabre brings to my attention that the 'tr' suffix is also obsolete

2008-05-20 21:00:03 +00:00

GlobalOpt

Make GlobalOpt preserve address spaces when scalar replacing aggregate globals.

2008-07-17 11:59:53 +00:00

GVN

A better fix for PR2503 that doesn't pessimize GVN in the presence of unreachable blocks.

2008-07-02 17:20:16 +00:00

GVNPRE

sabre brings to my attention that the 'tr' suffix is also obsolete

2008-05-20 21:00:03 +00:00

IndVarsSimplify

Fix PR2434. When scanning for exising binary operator to reuse don't

2008-06-15 19:07:39 +00:00

Inline

respect inline=never and inline=always notes.

2008-09-02 22:16:13 +00:00

InstCombine

Make SimplifyDemandedVectorElts simplify vectors with multiple

2008-09-09 18:11:14 +00:00

Internalize

Let some more tests ignore expected output on stderr.

2008-06-10 15:04:14 +00:00

IPConstantProp

Modify some ipconstprop tests to also test with invokes.

2008-06-19 09:27:44 +00:00

JumpThreading

Fix a crash when threading a block that includes a MRV call result.

2008-05-05 20:21:22 +00:00

LCSSA

sabre brings to my attention that the 'tr' suffix is also obsolete

2008-05-20 21:00:03 +00:00

LICM

Remove GCSE and LoadVN from the testsuite.

2008-08-16 00:00:54 +00:00

LoopDeletion

sabre brings to my attention that the 'tr' suffix is also obsolete

2008-05-20 21:00:03 +00:00

LoopIndexSplit

If loop induction variable's start value is less then its exit value then do not split the loop.

2008-07-09 00:12:01 +00:00

LoopRotate

sabre brings to my attention that the 'tr' suffix is also obsolete

2008-05-20 21:00:03 +00:00

LoopSimplify

sabre brings to my attention that the 'tr' suffix is also obsolete

2008-05-20 21:00:03 +00:00

LoopStrengthReduce

xfail

2008-09-08 16:24:30 +00:00

LoopUnroll

Add -unroll-allow-partial command line option that enabled the loop unroller to

2008-07-29 13:21:23 +00:00

LoopUnswitch

Preserve dominance frontier while trivially unswitching loop.

2008-06-18 02:16:38 +00:00

LowerInvoke

sabre brings to my attention that the 'tr' suffix is also obsolete

2008-05-20 21:00:03 +00:00

LowerSetJmp

sabre brings to my attention that the 'tr' suffix is also obsolete

2008-05-20 21:00:03 +00:00

LowerSwitch

sabre brings to my attention that the 'tr' suffix is also obsolete

2008-05-20 21:00:03 +00:00

Mem2Reg

sabre brings to my attention that the 'tr' suffix is also obsolete

2008-05-20 21:00:03 +00:00

MemCpyOpt

Fix two issues that Eli Friedman pointed out, where would misoptimized code like:

2008-06-01 22:26:26 +00:00

PredicateSimplifier

sabre brings to my attention that the 'tr' suffix is also obsolete

2008-05-20 21:00:03 +00:00

PruneEH

When PruneEH turned an invoke into an ordinary

2008-09-06 17:19:29 +00:00

RaiseAllocations

sabre brings to my attention that the 'tr' suffix is also obsolete

2008-05-20 21:00:03 +00:00

Reassociate

Remove GCSE and LoadVN from the testsuite.

2008-08-16 00:00:54 +00:00

ScalarRepl

Fix PR2423 by checking all indices for out of range access, not only

2008-08-23 05:21:06 +00:00

SCCP

Fix SCCP's handling of struct value loads and stores. SCCP doesn't

2008-08-13 21:22:48 +00:00

SimplifyCFG

Fix simplifycfg crash in handing block merge.

2008-09-09 01:06:56 +00:00

SimplifyLibCalls

lower calls to abs to inline code, PR2337

2008-06-09 08:26:51 +00:00

SRETPromotion

Add a basic test for the SRETPromotion pass.

2008-08-07 15:55:18 +00:00

StripSymbols

sabre brings to my attention that the 'tr' suffix is also obsolete

2008-05-20 21:00:03 +00:00

TailCallElim

sabre brings to my attention that the 'tr' suffix is also obsolete

2008-05-20 21:00:03 +00:00

TailDup

Revert 52223.

2008-06-12 20:55:39 +00:00