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llvm/test/Transforms
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Karthik Bhat 7ef167ae1f InstCombine: Combine (xor (or %a, %b) (xor %a, %b)) to (add %a, %b) 
Correctness proof of the transform using CVC3-

$ cat t.cvc
A, B : BITVECTOR(32);
QUERY BVXOR(A | B, BVXOR(A,B) ) = A & B;

$ cvc3 t.cvc
Valid.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215524 91177308-0d34-0410-b5e6-96231b3b80d8
2014-08-13 05:13:14 +00:00
..
ADCE
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AddDiscriminators
Fix bug 19437 - Only add discriminators for DWARF 4 and above.
2014-04-17 22:33:50 +00:00
ArgumentPromotion
ArgPromo+DebugInfo: Handle updating debug info over multiple applications of argument promotion.
2014-07-23 22:09:29 +00:00
AtomicExpandLoadLinked/ARM
CodeGen: it turns out that NAND is not the same thing as BIC. At all.
2014-07-07 09:06:35 +00:00
BBVectorize
Reduce verbiage of lit.local.cfg files
2014-06-09 22:42:55 +00:00
BranchFolding
Re-commit: Demote EmitRawText call in AsmPrinter::EmitInlineAsm() and remove hasRawTextSupport() call
2014-02-13 14:44:26 +00:00
CodeExtractor
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CodeGenPrepare
CodeGenPrep: fall back to MVT::Other if instruction's type isn't an EVT.
2014-07-29 10:20:22 +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
Look through addrspacecast in IsConstantOffsetFromGlobal
2014-07-14 22:39:26 +00:00
CorrelatedValuePropagation
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DeadArgElim
IR: Change inalloca's grammar a bit
2014-03-09 06:41:58 +00:00
DeadStoreElimination
Revert "r214897 - Remove dead zero store to calloc initialized memory"
2014-08-06 19:30:38 +00:00
DebugIR
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EarlyCSE
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FunctionAttrs
When analyzing params/args for readnone/readonly, don't forget to consider that a pointer argument may be passed through a callsite to the return, and that we may need to analyze it. Fixes a bug reported on llvm-dev: http://lists.cs.uiuc.edu/pipermail/llvmdev/2014-May/073098.html
2014-05-30 02:31:27 +00:00
GCOVProfiling
Fix coverage for files with global constructors again. Adds a testcase to the commit from r206671, as requested by David Blaikie.
2014-06-05 04:31:43 +00:00
GlobalDCE
Use "weak alias" instead of "alias weak"
2014-07-30 22:51:54 +00:00
GlobalOpt
GlobalOpt: Optimize in the face of insertvalue/extractvalue
2014-08-08 05:50:43 +00:00
GVN
Use "weak alias" instead of "alias weak"
2014-07-30 22:51:54 +00:00
IndVarSimplify
Add a description to the test from r211433 explaining why it's written that way.
2014-06-22 12:22:04 +00:00
Inline
Convert noalias parameter attributes into noalias metadata during inlining
2014-07-25 15:50:08 +00:00
InstCombine
InstCombine: Combine (xor (or %a, %b) (xor %a, %b)) to (add %a, %b)
2014-08-13 05:13:14 +00:00
InstMerge
MergedLoadStoreMotion pass
2014-07-18 19:13:09 +00:00
InstSimplify
InstSimplify: Simplify (X - (0 - Y)) if the second sub is NUW
2014-07-31 04:49:18 +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
In LVI(Lazy Value Info), originally value on a BB can only be caculated once,
2014-08-11 05:02:04 +00:00
LCSSA
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LICM
Make Value::isDereferenceablePointer handle offsets to pointer types with dereferenceable attributes
2014-07-19 03:25:16 +00:00
LoadCombine
Add LoadCombine pass.
2014-05-29 01:55:07 +00:00
LoopDeletion
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LoopIdiom
R600: Implement TTI:getPopcntSupport
2014-07-18 06:07:13 +00:00
LoopReroll
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LoopRotate
[LPM] Fix PR18643, another scary place where loop transforms failed to
2014-01-29 13:16:53 +00:00
LoopSimplify
No need for those tests to go thru llvm-as and/or llvm-dis.
2014-05-27 22:03:28 +00:00
LoopStrengthReduce
Reduce verbiage of lit.local.cfg files
2014-06-09 22:42:55 +00:00
LoopUnroll
After unrolling a loop with llvm.loop.unroll.count metadata (unroll factor
2014-07-24 22:36:40 +00:00
LoopUnswitch
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LoopVectorize
[LoopVectorizer] Enable support for floating-point subtraction reductions
2014-08-08 12:41:08 +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
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MemCpyOpt
Don't eliminate memcpy's when the address of the pointer may itself be relevant. Fixes PR18304. Patch by David Wiberg!
2014-07-14 18:52:02 +00:00
MergeFunc
MergeFunc patch from Björn Steinbrink.
2014-07-15 10:46:51 +00:00
MetaRenamer
Use "weak alias" instead of "alias weak"
2014-07-30 22:51:54 +00:00
ObjCARC
Fix use_iterator crash in ObjCArc from r203364
2014-03-18 22:32:43 +00:00
PartiallyInlineLibCalls
PartiallyInlineLibCalls: Check sqrt result type before transforming it.
2014-08-01 23:21:21 +00:00
PhaseOrdering
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PruneEH
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Reassociate
[Reassociate] FileCheckize and cleanup a few testcases. No functional change
2014-06-11 18:28:45 +00:00
Reg2Mem
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SampleProfile
Tolerate unmangled names in sample profiles.
2014-03-18 12:03:12 +00:00
Scalarizer
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ScalarRepl
Fix PR18800. llvm intrinsic memcpy takes 5 arguments void @llvm.memcpy.p0i8.p0i8.i32(i8* <dest>, i8* <src>, i32 <len>, i32 <align>, i1 <isvolatile>).The test case incorrectly uses the old format resulting in isVolatile function in MemIntrinsic to crash during SROA transformation.Modified the test case to use correct signature of memcpy and memset.
2014-03-13 04:50:29 +00:00
SCCP
SCCP: update for cmpxchg returning { iN, i1 } now.
2014-06-13 14:54:09 +00:00
SeparateConstOffsetFromGEP/NVPTX
Partially revert r210444 due to performance regression
2014-07-16 23:25:00 +00:00
SimplifyCFG
[SimplifyCFG] fix accessing deleted PHINodes in switch-to-table conversion.
2014-08-02 23:41:54 +00:00
Sink
Sink: Don't sink static allocas from the entry block
2014-03-21 15:51:51 +00:00
SLPVectorizer
SLPVectorizer: Use the type of the value loaded/stored to get the ABI alignment
2014-08-07 22:47:27 +00:00
SROA
Fix a case in SROA where lifetime intrinsics could inhibit alloca promotion. In
2014-08-07 21:07:35 +00:00
StripSymbols
Add a debug info code generation level to the compile unit metadata
2014-02-27 01:24:56 +00:00
StructurizeCFG
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TailCallElim
We may visit a call that uses an alloca multiple times in callUsesLocalStack, sometimes with IsNocapture true and sometimes with IsNocapture false. We accidentally skipped work we needed to do in the IsNocapture=false case if we were called with IsNocapture=true the first time. Fixes PR20405!
2014-07-23 06:24:49 +00:00
TailDup
Reduce verbiage of lit.local.cfg files
2014-06-09 22:42:55 +00:00