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path: root/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
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* Redo previous patch so optimization only done for i1.Dale Johannesen2007-12-061-16/+4
* third time around: instead of disabling this completely,Chris Lattner2007-12-061-6/+13
* Actually, disable this code for now. More analysis and improvements toChris Lattner2007-12-061-0/+6
* implement a readme entry, compiling the code into:Chris Lattner2007-12-061-19/+65
* Fix PR1842.Dale Johannesen2007-12-061-4/+16
* Don't lower srem/urem X%C to X-X/C*C unless the division is actuallyDan Gohman2007-11-261-14/+18
* Move MinAlign to MathExtras.h.Duncan Sands2007-11-091-1/+0
* Fix some load/store logic that would be wrong forDuncan Sands2007-11-091-4/+8
* If both parts of smul_lohi, etc. are used, don't simplify. If only one part i...Evan Cheng2007-11-081-30/+31
* Typo.Evan Cheng2007-10-301-1/+1
* Fix a DAGCombiner abort on a bitcast from a scalar to a vector.Dan Gohman2007-10-291-1/+2
* Enable more fold (sext (load x)) -> (sext (truncate (sextload x)))Evan Cheng2007-10-291-24/+134
* The guaranteed alignment of ptr+offset is only the minimum ofDuncan Sands2007-10-281-9/+13
* Redo "last ppc long double fix" as Chris wants.Dale Johannesen2007-10-191-1/+1
* More ppcf128 issues (maybe the last)?Dale Johannesen2007-10-191-1/+1
* Disable attempts to constant fold PPC f128.Dale Johannesen2007-10-161-12/+16
* One mundane change: Change ReplaceAllUsesOfValueWith to *optionally* Chris Lattner2007-10-151-19/+14
* Enhance the truncstore optimization code to handle shiftedChris Lattner2007-10-131-2/+21
* Add a simple optimization to simplify the input toChris Lattner2007-10-131-0/+42
* Correct swapped arguments to getConstant.Duncan Sands2007-10-101-1/+1
* DAGCombiner support for UDIVREM/SDIVREM and UMUL_LOHI/SMUL_LOHI. Dan Gohman2007-10-081-17/+137
* Reapply 42677.Evan Cheng2007-10-061-3/+52
* revert evan's patch until the header is committedChris Lattner2007-10-061-52/+3
* Added DAG xforms. e.g.Evan Cheng2007-10-061-3/+52
* Fix a bogus splat xform:Evan Cheng2007-09-181-2/+1
* Prevent crash on long double.Dale Johannesen2007-09-181-0/+4
* Revise previous patch per review comments.Dale Johannesen2007-09-121-5/+5
* Add APInt interfaces to APFloat (allows directlyDale Johannesen2007-09-111-3/+5
* Emit:Chris Lattner2007-09-101-0/+10
* Add mod, copysign, abs operations to APFloat.Dale Johannesen2007-08-311-7/+9
* Make DAGCombiner's global alias analysis query more precise in the caseDan Gohman2007-08-271-2/+3
* Revise per review comments.Dale Johannesen2007-08-261-1/+1
* Add APFloat interface to ConstantFPSDNode. ChangeDale Johannesen2007-08-251-10/+6
* Fold C ? 0 : 1 to ~C or zext(~C) or trunc(~C) depending the types.Evan Cheng2007-08-181-3/+14
* Fix the alias analysis query in DAGCombiner to not add in twoDan Gohman2007-07-261-2/+2
* Don't call SimplifyVBinOp for non-vector operations, following earlier reviewDan Gohman2007-07-131-25/+49
* Fix a bug in the folding of binary operators to undef.Dan Gohman2007-07-101-4/+10
* Fix the folding of undef in several binary operators to recognizeDan Gohman2007-07-101-7/+7
* Preserve volatililty and alignment information when lowering orDan Gohman2007-07-091-9/+22
* Fix this warning:Chris Lattner2007-07-091-1/+1
* Fix several over-aggressive folds for undef nodes in dagcombine, toDan Gohman2007-07-031-51/+46
* Teach GetNegatedExpression to negate 0-B to B in UnsafeFPMath mode, andDan Gohman2007-07-021-11/+14
* Generalize MVT::ValueType and associated functions to be able to representDan Gohman2007-06-251-292/+240
* Move ComputeMaskedBits, MaskedValueIsZero, and ComputeNumSignBits fromDan Gohman2007-06-221-23/+23
* Xforms:Evan Cheng2007-06-211-0/+64
* Pass a SelectionDAG into SDNode::dump everywhere it's used, in preprationDan Gohman2007-06-191-5/+5
* Rename MVT::getVectorBaseType to MVT::getVectorElementType.Dan Gohman2007-06-141-1/+1
* tighten up recursion depth againChris Lattner2007-05-251-11/+13
* Fix a typo that caused combiner to create mal-formed pre-indexed store where ...Evan Cheng2007-05-241-6/+6
* prevent exponential recursion in isNegatibleForFreeChris Lattner2007-05-231-6/+9
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