Benjamin Kramer d11c5d08a5 LoopIdiom: Recognize memmove loops. ...

This turns loops like
  for (unsigned i = 0; i != n; ++i)
    p[i] = p[i+1];
into memmove, which has a highly optimized implementation in most libcs.

This was really easy with the new DependenceAnalysis :)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166875 91177308-0d34-0410-b5e6-96231b3b80d8

2012-10-27 14:25:51 +00:00

..

ADCE

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ArgumentPromotion

Fix the remaining TCL-style quotes found in the testsuite. This is

2012-07-02 19:09:46 +00:00

BBVectorize

Move target-specific BBVectorize tests into a separate directory.

2012-10-26 19:38:09 +00:00

BlockPlacement

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BranchFolding

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CodeExtractor

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CodeGenPrepare

Move load_to_switch.ll to test/CodeGen/SPARC/

2012-09-19 09:25:03 +00:00

ConstantMerge

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ConstProp

Fix the remaining TCL-style quotes found in the testsuite. This is

2012-07-02 19:09:46 +00:00

CorrelatedValuePropagation

CorrelatedPropagation: BasicBlock::removePredecessor can simplify PHI nodes. If the it's the condition of a SwitchInst, reload it.

2012-09-28 10:42:50 +00:00

DeadArgElim

Fix PR14016.

2012-10-09 08:13:15 +00:00

DeadStoreElimination

Make this test check the transforms it's actually doing. Also add a test that it

2012-09-25 18:17:38 +00:00

EarlyCSE

New EarlyCSE tests for CSE-ing across commutativity.

2012-10-09 16:58:13 +00:00

FunctionAttrs

Convert all tests using TCL-style quoting to use shell-style quoting.

2012-07-02 12:47:22 +00:00

GlobalDCE

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GlobalOpt

GlobalOpt: non-constexpr bitcasts or GEPs can occur even if the global value is only stored once.

2012-09-28 10:01:27 +00:00

GVN

Update GVN to support vectors of pointers.

2012-10-24 21:22:30 +00:00

IndVarSimplify

Fix SCEV cache invalidation in LCSSA and LoopSimplify.

2012-10-26 17:31:43 +00:00

Inline

rename test

2012-09-19 09:22:17 +00:00

InstCombine

Fix a crash in SimpliftDemandedBits of vectors of pointers.

2012-10-26 17:17:05 +00:00

InstSimplify

Revert r153521 as it's causing large regressions on the nightly testers.

2012-03-28 18:42:50 +00:00

Internalize

Change the internalize pass to internalize all symbols when given an empty

2012-10-26 18:47:48 +00:00

IPConstantProp

Convert all tests using TCL-style quoting to use shell-style quoting.

2012-07-02 12:47:22 +00:00

JumpThreading

JumpThreading: when default destination is the destination of some cases in a

2012-09-05 23:45:58 +00:00

LCSSA

Convert all tests using TCL-style quoting to use shell-style quoting.

2012-07-02 12:47:22 +00:00

LICM

LICM may hoist an instruction with undefined behavior above a trap.

2012-09-04 10:25:04 +00:00

LoopDeletion

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LoopIdiom

LoopIdiom: Recognize memmove loops.

2012-10-27 14:25:51 +00:00

LoopRotate

LoopRotation: Make the brute force DomTree update more brute force.

2012-09-02 11:57:22 +00:00

LoopSimplify

Convert all tests using TCL-style quoting to use shell-style quoting.

2012-07-02 12:47:22 +00:00

LoopStrengthReduce

LSR critical edge splitting fix for PR13756.

2012-09-18 17:51:33 +00:00

LoopUnroll

getSmallConstantTripMultiple should never return zero.

2012-10-24 19:46:44 +00:00

LoopUnswitch

Fix tests that didn't test anything.

2012-09-26 09:51:39 +00:00

LoopVectorize

1. Fix a bug in getTypeConversion. When a *simple* type is split, we need to return the type of the split result.

2012-10-27 04:11:32 +00:00

LowerAtomic

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LowerExpectIntrinsic

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LowerInvoke

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LowerSwitch

PR1255 related changes (case ranges):

2012-05-24 09:33:20 +00:00

Mem2Reg

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MemCpyOpt

In my recent change to avoid use of underaligned memory I didn't notice that

2012-10-04 13:53:21 +00:00

MergeFunc

Fix the remaining TCL-style quotes found in the testsuite. This is

2012-07-02 19:09:46 +00:00

MetaRenamer

Review feedback from Duncan Sands. Alphabetize includes and simplify

2012-09-14 19:19:57 +00:00

ObjCARC

Detect overflow in the path count computation. rdar://12277446.

2012-09-12 20:45:17 +00:00

PhaseOrdering

Add test case for r164850.

2012-09-29 00:12:08 +00:00

PruneEH

The normal edge of an invoke is not allowed to branch to a block with a

2012-08-10 20:55:20 +00:00

Reassociate

Stop reassociate from looking through expressions of arbitrary complexity. This

2012-07-26 09:26:40 +00:00

ScalarRepl

Port the global copy optimization from the SROA pass to InstCombine.

2012-08-21 08:39:44 +00:00

SCCP

Fix the remaining TCL-style quotes found in the testsuite. This is

2012-07-02 19:09:46 +00:00

SimplifyCFG

Also optimize large switch statements.

2012-10-25 18:51:15 +00:00

SimplifyLibCalls

SimplifyLibcalls: The return value of ffsll is always i32, even when the input is zero.

2012-10-19 20:43:44 +00:00

Sink

Enhance the sinking code to handle diamond patterns. Patch by

2012-05-31 08:09:49 +00:00

SROA

Teach SROA how to split whole-alloca integer loads and stores into

2012-10-25 04:37:07 +00:00

StripSymbols

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TailCallElim

Revert r166407 because it caused analyzer tests to crash and broke self-host bots.

2012-10-22 18:16:14 +00:00

TailDup

Convert the uses of '|&' to use '2>&1 |' instead, which works on old

2012-07-02 18:37:59 +00:00