Chris Lattner 140f4a315b first step to fixing PR8642: don't fold away empty basic blocks ...

which have trapping constant exprs in them due to PHI nodes.
Eliminating them can cause the constant expr to be evalutated
on new paths if the input edges are critical.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122164 91177308-0d34-0410-b5e6-96231b3b80d8

2010-12-19 03:02:34 +00:00

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ADCE

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ArgumentPromotion

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BlockPlacement

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BranchFolding

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CodeExtractor

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CodeGenPrepare

first step to fixing PR8642: don't fold away empty basic blocks

2010-12-19 03:02:34 +00:00

ConstantMerge

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ConstProp

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CorrelatedValuePropagation

Fix PR8790, another instance where unreachable code can cause instruction simplification to fail,

2010-12-15 00:55:35 +00:00

DeadArgElim

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DeadStoreElimination

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FunctionAttrs

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GlobalDCE

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GlobalOpt

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GVN

Preserve TBAA tags when doing load PRE.

2010-12-15 23:53:55 +00:00

IndVarSimplify

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Inline

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InstCombine

Add vector versions of some existing scalar transforms to aid codegen in matching psign & pblend operations to the IR produced by clang/gcc for their C idioms.

2010-12-17 23:12:19 +00:00

Internalize

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IPConstantProp

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JumpThreading

Teach jump threading to "look through" a select when the branch direction of a terminator depends on it.

2010-12-15 09:51:20 +00:00

LCSSA

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LICM

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LoopDeletion

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LoopRotate

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LoopSimplify

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LoopStrengthReduce

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LoopUnroll

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LoopUnswitch

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LowerAtomic

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LowerInvoke

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LowerSetJmp

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LowerSwitch

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Mem2Reg

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MemCpyOpt

enhance memcpyopt to zap memcpy's that have the same src/dst.

2010-12-09 07:45:45 +00:00

MergeFunc

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PartialSpecialize

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PruneEH

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Reassociate

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ScalarRepl

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SCCP

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SimplifyCFG

SimplifyCFG: Ranges can be larger than 64 bits. Fixes Release-selfhost build.

2010-12-17 10:48:14 +00:00

SimplifyLibCalls

Revert r64460. strtol and friends cannot be marked readonly, even with

2010-12-17 01:09:43 +00:00

Sink

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SRETPromotion

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StripSymbols

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TailCallElim

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TailDup

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