Dan Gohman 51f53b7f5a Fix ScalarEvolution's backedge-taken count computations to check for ...

overflow when computing a integer division to round up.

Thanks to Nick Lewycky for noticing this!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73862 91177308-0d34-0410-b5e6-96231b3b80d8

2009-06-21 23:46:38 +00:00

..

ADCE

Allow readonly functions to unwind exceptions. Teach

2009-05-06 06:49:50 +00:00

ArgumentPromotion

Fix typo.

2009-04-23 04:24:19 +00:00

BlockPlacement

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BranchFolding

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CodeExtractor

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CodeGenPrepare

reenable test

2008-11-24 21:27:20 +00:00

CondProp

Optimize conditional branch on i1 phis with non-constant inputs.

2009-04-14 23:40:03 +00:00

ConstantMerge

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ConstProp

Expand this test to handle more cases (remainder and shifts) of zero.

2009-06-21 01:56:41 +00:00

DeadArgElim

aha, DAE does have to think about PHI nodes. Many thanks to "Dr Evil" (aka Duncan)

2009-03-18 16:48:45 +00:00

DeadStoreElimination

Split the Add, Sub, and Mul instruction opcodes into separate

2009-06-04 22:49:04 +00:00

FunctionAttrs

Revert r70876 and add a testcase (@c7) showing the problem:

2009-05-07 18:08:34 +00:00

GlobalDCE

Add a new "available_externally" linkage type. This is intended

2009-04-13 05:44:34 +00:00

GlobalOpt

Split the Add, Sub, and Mul instruction opcodes into separate

2009-06-04 22:49:04 +00:00

GVN

This fixes a bug introduced in 72661, which can

2009-06-17 20:48:23 +00:00

GVNPRE

Split the Add, Sub, and Mul instruction opcodes into separate

2009-06-04 22:49:04 +00:00

IndMemRem

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IndVarSimplify

Fix ScalarEvolution's backedge-taken count computations to check for

2009-06-21 23:46:38 +00:00

Inline

PR4123: don't crash when inlining a call which uses its own result.

2009-05-08 00:22:04 +00:00

InstCombine

Generalize the zext(trunc(t) & C) instcombine to work even with

2009-06-18 16:30:21 +00:00

Internalize

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IPConstantProp

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JumpThreading

make jump threading handle lexically identical compare instructions

2009-06-19 16:27:56 +00:00

LCSSA

Split the Add, Sub, and Mul instruction opcodes into separate

2009-06-04 22:49:04 +00:00

LICM

Before deleting a basic block, give other loop passes a chance cleanup analysis values, related to the instructions in the basic block.

2009-03-25 23:57:48 +00:00

LoopDeletion

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LoopIndexSplit

Split the Add, Sub, and Mul instruction opcodes into separate

2009-06-04 22:49:04 +00:00

LoopRotate

Testcase for PR2639.

2009-04-23 04:30:52 +00:00

LoopSimplify

Fix some incorrect logic in DominanceFrontier::splitBlock. Part of

2009-05-21 20:40:30 +00:00

LoopStrengthReduce

Tweak this test to be a little less unusual.

2009-06-20 00:40:56 +00:00

LoopUnroll

remove a test that depends on -debug.

2009-03-13 20:31:48 +00:00

LoopUnswitch

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LowerInvoke

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LowerSetJmp

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LowerSwitch

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Mem2Reg

Split the Add, Sub, and Mul instruction opcodes into separate

2009-06-04 22:49:04 +00:00

MemCpyOpt

Split the Add, Sub, and Mul instruction opcodes into separate

2009-06-04 22:49:04 +00:00

MergeFunc

Given two identical weak functions, produce one internal function and two weak

2009-06-12 15:56:56 +00:00

PredicateSimplifier

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PruneEH

Split the Add, Sub, and Mul instruction opcodes into separate

2009-06-04 22:49:04 +00:00

RaiseAllocations

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

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

Reassociate

Split the Add, Sub, and Mul instruction opcodes into separate

2009-06-04 22:49:04 +00:00

ScalarRepl

Split the Add, Sub, and Mul instruction opcodes into separate

2009-06-04 22:49:04 +00:00

SCCP

Split the Add, Sub, and Mul instruction opcodes into separate

2009-06-04 22:49:04 +00:00

SimplifyCFG

Fix the crash in this test. This is basically the same

2009-06-15 20:59:27 +00:00

SimplifyLibCalls

part of PR4405: disable a contentious optimization for

2009-06-19 04:17:36 +00:00

SRETPromotion

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StripSymbols

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TailCallElim

Improve tail call elim to move loads above readonly calls

2009-06-19 04:22:16 +00:00

TailDup

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