Dan Gohman cbfe5bbe88 Improve LSR's dead-phi detection to handle use-def cycles ...

with more than two nodes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52617 91177308-0d34-0410-b5e6-96231b3b80d8

2008-06-22 20:44:02 +00:00

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ADCE

Replace the old ADCE implementation with a new one that more simply solves

2008-05-29 08:45:13 +00:00

ArgumentPromotion

Fix two more not-grep tests that were missing llvm-dis.

2008-06-09 22:36:45 +00:00

BlockPlacement

Let some more tests ignore expected output on stderr.

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

BranchFolding

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CodeExtractor

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CondProp

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ConstantMerge

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ConstProp

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DeadArgElim

This file is empty.

2008-06-21 20:26:50 +00:00

DeadStoreElimination

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GCSE

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GlobalDCE

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GlobalOpt

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GVN

Add local PRE to GVN. This only operates in cases where it would not increase code size, namely when the instantiated expression

2008-06-18 21:41:49 +00:00

GVNPRE

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IndVarsSimplify

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

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

Inline

Let some more tests ignore expected output on stderr.

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

InstCombine

Fix for PR2479: correctly optimize expressions like (a > 13) & (a ==

2008-06-21 23:36:13 +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

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LCSSA

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LICM

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LoopDeletion

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LoopIndexSplit

Testcase for LoopIndexSplit and DomFrontier.

2008-06-03 18:32:27 +00:00

LoopRotate

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LoopSimplify

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LoopStrengthReduce

Improve LSR's dead-phi detection to handle use-def cycles

2008-06-22 20:44:02 +00:00

LoopUnroll

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LoopUnswitch

Preserve dominance frontier while trivially unswitching loop.

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

LowerInvoke

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LowerSetJmp

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LowerSwitch

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Mem2Reg

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MemCpyOpt

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

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

PredicateSimplifier

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PruneEH

Test that prune-eh doesn't make deductions based

2008-06-09 11:28:41 +00:00

RaiseAllocations

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Reassociate

Let some more tests ignore expected output on stderr.

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

ScalarRepl

Fix PR2369 by making scalarrepl more careful about promoting

2008-06-22 17:46:21 +00:00

SCCP

Fix PR2358 by resolving calls with undef arguments to overdefined.

2008-05-24 03:59:33 +00:00

SimplifyCFG

Speculatively execute a block when the the block is the then part of a triangle shape and it contains a single, side effect free, cheap instruction. The branch is eliminated by adding a select instruction. i.e.

2008-06-07 08:52:29 +00:00

SimplifyLibCalls

lower calls to abs to inline code, PR2337

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

SRETPromotion

Let StructRetPromotion check if all if its users are really calls or invokesn,

2008-06-05 08:57:20 +00:00

StripSymbols

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TailCallElim

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TailDup

Revert 52223.

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