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llvm-mirror/test/Transforms
Jingyue Wu 8fd4d61a47 [LSR] canonicalize Prod*(1<<C) to Prod<<C
Summary:
Because LSR happens at a late stage where mul of a power of 2 is
typically canonicalized to shl, this canonicalization emits code that
can be better CSE'ed.

Test Plan:
Transforms/LoopStrengthReduce/shl.ll shows how this change makes GVN more
powerful. Fixes some existing tests due to this change.

Reviewers: sanjoy, majnemer, atrick

Reviewed By: majnemer, atrick

Subscribers: majnemer, llvm-commits

Differential Revision: http://reviews.llvm.org/D10448

llvm-svn: 240573
2015-06-24 19:28:40 +00:00
..
ADCE Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
AddDiscriminators IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
AlignmentFromAssumptions [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
ArgumentPromotion Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
AtomicExpand/ARM
BBVectorize Changed renaming of local symbols by inserting a dot vefore the numeric suffix. 2015-05-12 16:47:30 +00:00
BDCE Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
BranchFolding Delete -std-compile-opts. 2014-10-16 20:00:02 +00:00
CodeExtractor Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
CodeGenPrepare AMDGPU: Fix some places missed in rename 2015-06-19 17:39:03 +00:00
ConstantHoisting [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
ConstantMerge [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
ConstProp [ConstantFolding] Fix wrong folding of intrinsic 'convert.from.fp16'. 2015-05-14 18:01:48 +00:00
CorrelatedValuePropagation [CVP] Don't assume Constants of type i1 can be known to be true or false 2015-06-06 04:56:51 +00:00
DeadArgElim Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
DeadStoreElimination IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
EarlyCSE Correct a mistaken comment from 238071 [NFC] 2015-05-23 00:05:43 +00:00
Float2Int Reapply r233175 and r233183: float2int. 2015-03-27 10:36:57 +00:00
FunctionAttrs Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
GCOVProfiling IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
GlobalDCE [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
GlobalOpt Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
GVN Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
IndVarSimplify Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
Inline Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
InstCombine [InstCombine] Optimize subtract of selects into a select of a sub 2015-06-23 02:49:24 +00:00
InstMerge [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
InstSimplify Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
Internalize [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
IPConstantProp Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
IRCE [IRCE] Fix a regression introduced in r232444. 2015-03-24 19:29:18 +00:00
JumpThreading Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
LCSSA Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
LICM [LICM] Sinking doesn't involve the preheader 2015-05-22 02:14:05 +00:00
LoadCombine [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
LoopDeletion [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
LoopDistribute [LoopDist] Improve variable names and comments in LoopVersioning class, NFC 2015-06-22 22:59:40 +00:00
LoopIdiom [LSR] canonicalize Prod*(1<<C) to Prod<<C 2015-06-24 19:28:40 +00:00
LoopInterchange Add support to interchange loops with reductions. 2015-04-23 04:51:44 +00:00
LoopReroll [LSR] canonicalize Prod*(1<<C) to Prod<<C 2015-06-24 19:28:40 +00:00
LoopRotate Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
LoopSimplify Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
LoopStrengthReduce [LSR] canonicalize Prod*(1<<C) to Prod<<C 2015-06-24 19:28:40 +00:00
LoopUnroll Set proper debug location for branch added in BasicBlock::splitBasicBlock(). 2015-06-11 18:25:54 +00:00
LoopUnswitch Fix PR13851: Preserve metadata for the unswitched branch 2015-06-23 05:31:09 +00:00
LoopVectorize [LoopVectorizer] Fix bailing-out condition for OptForSize case. 2015-06-24 17:26:24 +00:00
LowerAtomic [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
LowerBitSets LowerBitSets: Do not assign names to aliases of unnamed bitset element objects. 2015-06-17 18:31:02 +00:00
LowerExpectIntrinsic [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
LowerInvoke Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
LowerSwitch Changed renaming of local symbols by inserting a dot vefore the numeric suffix. 2015-05-12 16:47:30 +00:00
Mem2Reg Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
MemCpyOpt [MemCpyOpt] Do move the memset, but look at its dest's dependencies. 2015-05-21 01:43:39 +00:00
MergeFunc Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
MetaRenamer [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
NaryReassociate [NaryReassociate] Run EarlyCSE after NaryReassociate 2015-05-28 04:56:52 +00:00
ObjCARC Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
PartiallyInlineLibCalls
PhaseOrdering Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
PlaceSafepoints Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
PruneEH Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
Reassociate [Reassociate] Canonicalizing 'x [+-] (-Constant * y)' isn't always a win 2015-05-28 06:16:39 +00:00
Reg2Mem Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
RewriteStatepointsForGC Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
SafeStack SafeStack: Create the unsafe stack pointer on demand. 2015-06-22 20:26:54 +00:00
SampleProfile Add function entry counts from sample profiles. 2015-05-13 17:04:29 +00:00
Scalarizer IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
ScalarRepl Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
SCCP Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
SeparateConstOffsetFromGEP AMDGPU: Fix some places missed in rename 2015-06-19 17:39:03 +00:00
SimplifyCFG AMDGPU: Fix some places missed in rename 2015-06-19 17:39:03 +00:00
Sink Teach the IR Sink pass to (conservatively) respect convergent annotations. 2015-06-01 17:20:31 +00:00
SLPVectorizer [SLP] Vectorize for all-constant entries. 2015-06-19 17:40:15 +00:00
SpeculativeExecution Add a speculative execution pass 2015-05-15 17:54:48 +00:00
SROA [ConstantFold] Don't fold ppc_fp128 <-> int bitcasts 2015-03-28 16:44:57 +00:00
StraightLineStrengthReduce AMDGPU: Fix some places missed in rename 2015-06-19 17:39:03 +00:00
StripSymbols IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
StructurizeCFG [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
TailCallElim TRE: Just erase dead BBs and tweak the iteration loop not to increment the deleted BB iterator. 2015-02-28 16:47:27 +00:00
TailDup [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
Util Changed renaming of local symbols by inserting a dot vefore the numeric suffix. 2015-05-12 16:47:30 +00:00