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* NFC: Code style in VectorUtils.cppElena Demikhovsky2015-08-301-10/+12
| | | | | | Differential Revision: http://reviews.llvm.org/D12478 llvm-svn: 246381
* Revert "Revert "New interface function is added to VectorUtils Value ↵Renato Golin2015-08-301-0/+26
| | | | | | | | | *getSplatValue(Value *Val);"" This reverts commit r246379. It seems that the commit was not the culprit, and the bot will be investigated for instability. llvm-svn: 246380
* Revert "New interface function is added to VectorUtils Value ↵Renato Golin2015-08-301-26/+0
| | | | | | | | | | *getSplatValue(Value *Val);" This reverts commit r246371, as it cause a rather obscure bug in AArch64 test-suite paq8p (time outs, seg-faults). I'll investigate it before reapplying. llvm-svn: 246379
* New interface function is added to VectorUtilsElena Demikhovsky2015-08-301-0/+26
| | | | | | | | | | | | | Value *getSplatValue(Value *Val); It complements the CreateVectorSplat(), which creates 2 instructions - insertelement and shuffle with all-zero mask. The new function recognizes the pattern - insertelement+shuffle and returns the splat value (or nullptr). It also returns a splat value form ConstantDataVector, for completeness. Differential Revision: http://reviews.llvm.org/D11124 llvm-svn: 246371
* [InstSimplify] Don't assume getAggregateElement will succeedDavid Majnemer2015-08-181-4/+4
| | | | | | | It isn't always possible to get a value from getAggregateElement. This fixes PR24488. llvm-svn: 245365
* [VectorUtils] Replace 'llvm::' qualification with 'using llvm'David Majnemer2015-08-181-18/+15
| | | | | | | No funcitonal change is intended, this just makes the file look more like the rest of LLVM. llvm-svn: 245364
* De-constify pointers to Type since they can't be modified. NFCCraig Topper2015-08-011-1/+1
| | | | | | This was already done in most places a while ago. This just fixes the ones that crept in over time. llvm-svn: 243842
* [InstSimplify] Teach InstSimplify how to simplify extractelementDavid Majnemer2015-07-131-0/+52
| | | | llvm-svn: 242008
* Move getStrideFromPointer and friends from LoopVectorize to VectorUtilsHal Finkel2015-07-111-0/+146
| | | | | | | | | | | | | | | | The following functions are moved from the LoopVectorizer to VectorUtils: - getGEPInductionOperand - stripGetElementPtr - getUniqueCastUse - getStrideFromPointer These used to be static functions in LoopVectorize, but will also be used by the upcoming loop versioning LICM transformation. Patch by Ashutosh Nema! llvm-svn: 241980
* Move VectorUtils from Transforms to Analysis to correct layering violationDavid Blaikie2015-06-261-0/+213
llvm-svn: 240804
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