Simon Pilgrim 94590ca4cf [InstCombine] Minor optimization for bswap with binary ops ...

Added instcombine optimizations for BSWAP with AND/OR/XOR ops:

OP( BSWAP(x), BSWAP(y) ) -> BSWAP( OP(x, y) )
OP( BSWAP(x), CONSTANT ) -> BSWAP( OP(x, BSWAP(CONSTANT) ) )

Since its just a one liner, I've also added BSWAP to the DAGCombiner equivalent as well:

fold (OP (bswap x), (bswap y)) -> (bswap (OP x, y))

Refactored bswap-fold tests to use FileCheck instead of just checking that the bswaps had gone.

Differential Revision: http://reviews.llvm.org/D6407



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223349 91177308-0d34-0410-b5e6-96231b3b80d8

2014-12-04 09:44:01 +00:00

..

ADCE

[tests] Cleanup initialization of test suffixes.

2013-08-16 00:37:11 +00:00

AddDiscriminators

Revert "Revert "DI: Fold constant arguments into a single MDString""

2014-10-03 20:01:09 +00:00

AlignmentFromAssumptions

[AlignmentFromAssumptions] Don't crash just because the target is 32-bit

2014-09-11 08:40:17 +00:00

ArgumentPromotion

Revert "Revert "DI: Fold constant arguments into a single MDString""

2014-10-03 20:01:09 +00:00

AtomicExpand/ARM

Use target-dependent emitLeading/TrailingFence instead of the target-independent insertLeading/TrailingFence (in AtomicExpandPass)

2014-09-03 21:01:03 +00:00

BBVectorize

Reduce verbiage of lit.local.cfg files

2014-06-09 22:42:55 +00:00

BranchFolding

Delete -std-compile-opts.

2014-10-16 20:00:02 +00:00

CodeExtractor

[tests] Cleanup initialization of test suffixes.

2013-08-16 00:37:11 +00:00

CodeGenPrepare

[CodeGenPrepare][AArch64] Fix a TLI legality check on iPTR to use a lowered instead.

2014-11-12 22:16:55 +00:00

ConstantHoisting

[ConstantHoisting][X86] Improve the cost model for small constants with large types (i64 and above).

2014-06-10 00:32:29 +00:00

ConstantMerge

Remove the linker_private and linker_private_weak linkages.

2014-03-13 23:18:37 +00:00

ConstProp

Fix a bug around truncating vector in const prop.

2014-08-21 02:12:35 +00:00

CorrelatedValuePropagation

LazyValueInfo: Actually re-visit partially solved block-values in solveBlockValue()

2014-11-25 17:23:05 +00:00

DeadArgElim

DebugInfo+DeadArgElimination: Ensure llvm::Function*s from debug info are updated even when DAE removes both varargs and non-varargs arguments on the same function.

2014-10-07 15:10:23 +00:00

DeadStoreElimination

Parse 'ghccc' in .ll files as the GHC convention (cc 10)

2014-12-01 21:04:44 +00:00

EarlyCSE

Tweak EarlyCSE to recognize series of dead stores

2014-11-18 17:46:32 +00:00

FunctionAttrs

Normally an 'optnone' function goes through fast-isel, which does not

2014-11-03 18:19:26 +00:00

GCOVProfiling

Fix test to use the right metadata node (reapply r223239 plus a fix) and also to use the correct path to the GCNO file.

2014-12-03 17:32:44 +00:00

GlobalDCE

GlobalDCE: Don't drop any COMDAT members

2014-10-07 07:07:19 +00:00

GlobalOpt

GlobalOpt: Don't drop unused memberes of a Comdat

2014-10-08 07:23:31 +00:00

GVN

Relax an assert a bit to avoid a crash on unreachable code.

2014-12-01 02:55:24 +00:00

IndVarSimplify

IndVarSimplify: Allow LFTR to fire more often

2014-11-18 02:20:58 +00:00

Inline

Revert "Transforms: reapply SVN r219899"

2014-11-04 02:02:14 +00:00

InstCombine

[InstCombine] Minor optimization for bswap with binary ops

2014-12-04 09:44:01 +00:00

InstMerge

Use Alias Analysis to hoist 2 loads from diamond to the common predecessor basic block.

2014-11-02 08:03:05 +00:00

InstSimplify

Restrict somewhat the memory-allocation pointer cmp opt from r223093

2014-12-04 09:22:28 +00:00

Internalize

Use "weak alias" instead of "alias weak"

2014-07-30 22:51:54 +00:00

IPConstantProp

No need for those tests to go thru llvm-as and/or llvm-dis.

2014-05-27 22:03:28 +00:00

JumpThreading

LazyValueInfo: Actually re-visit partially solved block-values in solveBlockValue()

2014-11-25 17:23:05 +00:00

LCSSA

[tests] Cleanup initialization of test suffixes.

2013-08-16 00:37:11 +00:00

LICM

[LICM] Avoind store sinking if no preheader is available

2014-12-02 14:22:34 +00:00

LoadCombine

Use AA in LoadCombine

2014-11-03 23:19:16 +00:00

LoopDeletion

[tests] Cleanup initialization of test suffixes.

2013-08-16 00:37:11 +00:00

LoopIdiom

Revert "Revert "DI: Fold constant arguments into a single MDString""

2014-10-03 20:01:09 +00:00

LoopReroll

Fix loop rerolling pass failure with non-consant loop lower bound

2014-01-03 17:20:01 +00:00

LoopRotate

llvm/test/Transforms/LoopRotate/nosimplifylatch.ll: Fix possibly mis-repeatedly-pasted test.

2014-10-29 23:05:12 +00:00

LoopSimplify

FileCheckize. NFC.

2014-09-12 17:55:16 +00:00

LoopStrengthReduce

Revert "Revert "DI: Fold constant arguments into a single MDString""

2014-10-03 20:01:09 +00:00

LoopUnroll

Fix a trip-count overflow issue in LoopUnroll.

2014-11-20 20:19:55 +00:00

LoopUnswitch

[tests] Cleanup initialization of test suffixes.

2013-08-16 00:37:11 +00:00

LoopVectorize

PR21302. Vectorize only bottom-tested loops.

2014-12-02 22:59:06 +00:00

LowerAtomic

IR: add "cmpxchg weak" variant to support permitted failure.

2014-06-13 14:24:07 +00:00

LowerExpectIntrinsic

Lower llvm.expect intrinsic correctly for i1

2014-02-02 22:43:55 +00:00

LowerInvoke

Remove LowerInvoke's obsolete "-enable-correct-eh-support" option

2014-03-20 19:54:47 +00:00

LowerSwitch

Added test for commit r212802 that was missing

2014-07-11 10:36:00 +00:00

Mem2Reg

Delete -std-compile-opts.

2014-10-16 20:00:02 +00:00

MemCpyOpt

Allow call-slop optzn for destinations with a suitable dereferenceable attribute

2014-10-16 19:43:08 +00:00

MergeFunc

Fix crash when looking up the addrspace of GEPs with vector types

2014-09-02 18:47:54 +00:00

MetaRenamer

Use "weak alias" instead of "alias weak"

2014-07-30 22:51:54 +00:00

ObjCARC

Add back r222061 with a fix.

2014-11-17 02:28:27 +00:00

PartiallyInlineLibCalls

PartiallyInlineLibCalls: Check sqrt result type before transforming it.

2014-08-01 23:21:21 +00:00

PhaseOrdering

[tests] Cleanup initialization of test suffixes.

2013-08-16 00:37:11 +00:00

PruneEH

[tests] Cleanup initialization of test suffixes.

2013-08-16 00:37:11 +00:00

Reassociate

Revert "[Reassociate] As the expression tree is rewritten make sure the operands are"

2014-11-19 23:21:20 +00:00

Reg2Mem

[tests] Cleanup initialization of test suffixes.

2013-08-16 00:37:11 +00:00

SampleProfile

llvm/test/Transforms/SampleProfile/syntax.ll: Relax MISSING-FILE not to

2014-10-30 22:28:46 +00:00

Scalarizer

Revert "Revert "DI: Fold constant arguments into a single MDString""

2014-10-03 20:01:09 +00:00

ScalarRepl

Revert "Revert "DI: Fold constant arguments into a single MDString""

2014-10-03 20:01:09 +00:00

SCCP

SCCP: overdefined calls cannot become constant

2014-11-07 08:54:19 +00:00

SeparateConstOffsetFromGEP/NVPTX

[SeparateConstOffsetFromGEP] Fixed a bug related to unsigned modulo

2014-10-25 18:34:03 +00:00

SimplifyCFG

Revert r223049, r223050 and r223051 while investigating test failures.

2014-12-01 17:36:43 +00:00

Sink

Sink: Don't sink static allocas from the entry block

2014-03-21 15:51:51 +00:00

SLPVectorizer

Vectorize a reduction chain feeding into a 'return' statement.

2014-11-19 16:07:38 +00:00

SROA

SROA: The alloca type isn't a candidate promotion type for vectors

2014-11-21 02:34:55 +00:00

StripSymbols

Revert "Revert "DI: Fold constant arguments into a single MDString""

2014-10-03 20:01:09 +00:00

StructurizeCFG

StructurizeCFG: Use LoopInfo analysis for better loop detection

2014-12-03 04:28:32 +00:00

TailCallElim

Fix tail recursion elimination

2014-11-19 13:32:51 +00:00

TailDup

Reduce verbiage of lit.local.cfg files

2014-06-09 22:42:55 +00:00

Util

[SwitchLowering] Handle destinations on multiple phi instructions

2014-12-02 18:31:53 +00:00