Dan Gohman 3fddbb337d Teach IndVarSimplify how to eliminate comparisons involving induction ...

variables. For example, with code like this:

  for (i=0;i<n;++i)
    if (i<n)
      x[i] = 0;

IndVarSimplify will now recognize that i is always less than n inside
the loop, and eliminate the if.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101000 91177308-0d34-0410-b5e6-96231b3b80d8

2010-04-11 23:10:12 +00:00

..

ABCD

Revert my previous patch to ABCD and fix things the right way. There are two problems addressed

2009-11-09 00:44:44 +00:00

ADCE

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

ArgumentPromotion

Make opt default to not adding a target data string and update tests that depend on target data to supply it within the test

2009-11-03 15:29:06 +00:00

BlockPlacement

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

BranchFolding

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

CodeExtractor

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

CodeGenPrepare

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

ConstantMerge

1. modernize the constantmerge pass, using densemap/smallvector.

2010-02-12 18:17:23 +00:00

ConstProp

fix PR6197 - infinite recursion in ipsccp due to block addresses

2010-02-01 19:35:08 +00:00

DeadArgElim

add newlines at the end of files.

2010-04-07 22:53:17 +00:00

DeadStoreElimination

add newlines at the end of files.

2010-04-07 22:53:17 +00:00

FunctionAttrs

Fix a README item: have functionattrs look through selects and

2010-01-06 15:37:47 +00:00

GlobalDCE

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

GlobalOpt

fix PR6760, a missing check in heap SRoA.

2010-04-10 18:19:22 +00:00

GVN

add newlines at the end of files.

2010-04-07 22:53:17 +00:00

IndVarSimplify

Teach IndVarSimplify how to eliminate comparisons involving induction

2010-04-11 23:10:12 +00:00

Inline

add newlines at the end of files.

2010-04-07 22:53:17 +00:00

InstCombine

Print empty structs as {} rather than { }.

2010-04-08 18:03:05 +00:00

Internalize

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

IPConstantProp

Delete useless trailing semicolons.

2010-01-05 17:55:26 +00:00

JumpThreading

fix PR6743, a case where we'd delete an instruction before using it

2010-04-10 18:26:57 +00:00

LCSSA

Make isLCSSA ignore uses in blocks not reachable from the entry block,

2010-03-09 01:53:33 +00:00

LICM

Remove dead debug info intrinsics.

2010-01-05 01:10:40 +00:00

LoopDeletion

Make LoopSimplify change conditional branches in loop exiting blocks

2010-02-25 06:57:05 +00:00

LoopIndexSplit

add newlines at the end of files.

2010-04-07 22:53:17 +00:00

LoopRotate

Delete useless trailing semicolons.

2010-01-05 17:55:26 +00:00

LoopSimplify

Make Loop::getLoopLatch() work on loops which don't have preheaders, as

2009-11-20 20:51:18 +00:00

LoopStrengthReduce

When determining a canonical insert position, don't climb deeper

2010-04-09 22:07:05 +00:00

LoopUnroll

Teach getSmallConstantTripMultiple about Shl operators.

2009-11-20 01:09:34 +00:00

LoopUnswitch

fix a crash in loop unswitch on a loop invariant vector condition.

2010-02-02 02:26:54 +00:00

LowerInvoke

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

LowerSetJmp

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

LowerSwitch

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

Mem2Reg

When converting dbg.declare to dbg.value, attach promoted store's debug metadata to dbg.value

2010-01-27 00:44:36 +00:00

MemCpyOpt

Reapply address space patch after fixing an issue in MemCopyOptimizer.

2010-04-04 03:10:48 +00:00

MergeFunc

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

PruneEH

Delete useless trailing semicolons.

2010-01-05 17:55:26 +00:00

Reassociate

fix a nice subtle reassociate bug which would only occur

2010-03-05 07:18:54 +00:00

ScalarRepl

Remove tests that checks @llvm.dbg.stoppoint handling.

2010-03-01 20:33:48 +00:00

SCCP

fix a SCCP miscompilation that could happen when a

2010-04-09 01:14:31 +00:00

SimplifyCFG

testcase for r99914, provided by baldrick!

2010-03-31 20:37:13 +00:00

SimplifyLibCalls

Reapply address space patch after fixing an issue in MemCopyOptimizer.

2010-04-04 03:10:48 +00:00

SRETPromotion

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

SSI

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00

StripSymbols

Update test.

2009-09-09 02:41:50 +00:00

TailCallElim

Revert 94937 and move the noreturn check to codegen.

2010-02-03 03:55:59 +00:00

TailDup

Change tests from "opt %s" to "opt < %s" so that opt doesn't see the

2009-09-11 18:01:28 +00:00