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path: root/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
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* Cleanup. Document. Make sure that this build_vector optimization only runs be...Nadav Rotem2011-10-311-16/+29
* Silence compiler warning.Benjamin Kramer2011-10-301-4/+4
* Add a new DAGCombine optimization for BUILD_VECTOR.Nadav Rotem2011-10-291-0/+83
* Don't crash on 128-bit sdiv by constant. Found by inspection.Eli Friedman2011-10-271-9/+6
* Remove a couple redundant checks.Eli Friedman2011-10-251-2/+0
* Fix a DAG combiner assertion failure when constant folding BUILD_VECTORS.Bob Wilson2011-10-181-2/+13
* Fix SimplifySelectCC to add newly created nodes to the DAGCombinerDan Gohman2011-09-221-0/+3
* Add a DAGCombine for subvector extracts to remove useless chains ofBruno Cardoso Lopes2011-09-201-0/+32
* Make the SelectionDAG verify that all the operands of BUILD_VECTOR have the s...Eli Friedman2011-09-091-23/+32
* Add codegen support for vector select (in the IR this means a selectDuncan Sands2011-09-061-8/+9
* Roll back the rest of r126557. It's a hack that will break in some obscure ca...Benjamin Kramer2011-08-191-6/+0
* Revert r137310 because it does not optimize any code on ToTNadav Rotem2011-08-121-32/+0
* [AVX] When joining two XMM registers into a YMM register, make sure that theNadav Rotem2011-08-111-0/+32
* Make sure this DAGCombine actually returns an UNDEF of the correct type; PR10...Eli Friedman2011-07-251-1/+1
* land David Blaikie's patch to de-constify Type, with a few tweaks.Chris Lattner2011-07-181-3/+3
* Add a dag combine pattern for folding C2-(A+C1) -> (C2-C1)-AEric Christopher2011-07-141-2/+10
* Add functions 'hasPredecessor' and 'hasPredecessorHelper' to SDNode. TheLang Hames2011-07-071-1/+6
* Revert a part of r126557 which could create unschedulable DAGs.Benjamin Kramer2011-06-291-32/+0
* Replace the existing forms of ConstantArray::get() with a single formJay Foad2011-06-221-1/+1
* Teach dag combine to match halfword byteswap patterns.Evan Cheng2011-06-211-2/+264
* Add a DAGCombine for (ext (binop (load x), cst)).Nick Lewycky2011-06-161-61/+109
* Enable the simplification of truncating-store after fixing the usage ofNadav Rotem2011-06-151-3/+4
* When pattern matching during instruction selection make sure shl x,1 is notChad Rosier2011-06-141-0/+3
* Disable trunc-store simplification on vectors.Nadav Rotem2011-06-141-1/+1
* Change this DAGCombine to build AND of SHR instead of SHR of AND; this matche...Eli Friedman2011-06-091-15/+16
* Revert 121907 (it causes llc crash) and apply original patch from PR9817.Devang Patel2011-05-231-0/+3
* Implement mulo x, 2 -> addo x, x in DAGCombiner.Benjamin Kramer2011-05-211-0/+24
* Misc. code cleanups.Dan Gohman2011-05-171-33/+34
* Fixes a bug in the DAGCombiner. LoadSDNodes have two values (data, chain).Nadav Rotem2011-05-111-1/+1
* Indent properly, no functionality change.Duncan Sands2011-05-091-12/+12
* PR9055: extend the fix to PR4050 (r70179) to apply to zext and anyext.Eli Friedman2011-04-161-2/+2
* Fix another instance of the DAG combiner not using the correct type for the R...Owen Anderson2011-04-141-3/+5
* have dag combine zap "store undef", which can be formed during call loweringChris Lattner2011-04-091-2/+8
* Add a RemoveFromWorklist method to DCI. This is needed to do some complicatedCameron Zwarich2011-04-021-0/+4
* Avoid replacing the value of a directly stored load with the stored value if ...Evan Cheng2011-03-111-2/+1
* Can't introduce floating-point immediate constants after legalization.Stuart Hastings2011-03-021-2/+6
* Fix typos in the comments.Nadav Rotem2011-02-271-4/+7
* Add some DAGCombines for (adde 0, 0, glue), which are useful to optimize lega...Benjamin Kramer2011-02-261-0/+38
* Allow targets to specify a the type of the RHS of a shift parameterized on th...Owen Anderson2011-02-251-48/+54
* Enable support for vector sext and trunc:Nadav Rotem2011-02-241-10/+17
* Fix 9267; Add vector zext support.Nadav Rotem2011-02-201-1/+3
* Swap VT and DebugLoc operands of getExtLoad() for consistency withStuart Hastings2011-02-161-23/+22
* Refactor zero folding slightly. Clean up todo.Eric Christopher2011-02-161-22/+20
* The change for PR9190 wasn't quite right. We need to avoid making theEric Christopher2011-02-161-2/+12
* Revisit my fix for PR9028: the issue is that DAGCombine was Chris Lattner2011-02-131-10/+16
* A fix for 9165.Nadav Rotem2011-02-121-4/+9
* SimplifySelectOps can only handle selects with a scalar condition. Add a checkNadav Rotem2011-02-111-0/+3
* Fix #9190Nadav Rotem2011-02-111-1/+1
* Given a pair of floating point load and store, if there are no other uses ofEvan Cheng2011-02-021-0/+65
* Fix bug where ReduceLoadWidth was creating illegal ZEXTLOAD instructions.Richard Osborne2011-01-311-2/+2