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path: root/lib/Analysis/ValueTracking.cpp
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* Make some intrinsics safe to speculatively execute.Nick Lewycky2011-12-211-4/+24
* Move Instruction::isSafeToSpeculativelyExecute out of VMCore andDan Gohman2011-12-141-0/+61
* Probably not a good idea to convert a single vector load into a memcpy. WeChad Rosier2011-12-061-0/+2
* Add support for vectors of pointers.Nadav Rotem2011-12-051-4/+6
* Fix a theoretical problem (not seen in the wild): if different instances of aDuncan Sands2011-11-291-1/+1
* Make SelectionDAG::InferPtrAlignment use llvm::ComputeMaskedBits instead of d...Eli Friedman2011-11-281-8/+10
* Fix a crash in which a multiplication was being reported as being both negativeDuncan Sands2011-11-231-2/+7
* A shift of a power of two is a power of two or zero.Duncan Sands2011-10-281-1/+6
* Reapply commit 143028 with a fix: the problem was casting a ConstantExpr MulDuncan Sands2011-10-271-7/+49
* Revert Duncan's r143028 expression folding which appears to be the culpritBob Wilson2011-10-271-46/+4
* The maximum power of 2 dividing a power of 2 is itself. This occursDuncan Sands2011-10-261-10/+27
* My super-optimizer noticed that we weren't folding this expression toDuncan Sands2011-10-261-4/+46
* "@string = constant i8 0" is a value i8* string of length zero. Analyze thatNick Lewycky2011-10-201-6/+13
* Migrate LLVM and Clang to use the new makeArrayRef(...) functions where previ...Frits van Bommel2011-07-181-6/+3
* land David Blaikie's patch to de-constify Type, with a few tweaks.Chris Lattner2011-07-181-15/+15
* Convert InsertValueInst and ExtractValueInst APIs to use ArrayRef.Jay Foad2011-07-131-31/+28
* Move onlyUsedByLifetimeMarkers to ValueTracking so that it can be used by otherNick Lewycky2011-06-271-0/+16
* Renamed llvm.x86.sse42.crc32 intrinsics; crc64 doesn't exist. Chad Rosier2011-05-261-2/+2
* Teach valuetracking that byval arguments with a specified alignment areChris Lattner2011-05-231-1/+11
* Teach ValueTracking about x86 crc32 intrinsics.Evan Cheng2011-05-221-0/+4
* Fix a ton of comment typos found by codespell. Patch byChris Lattner2011-04-151-2/+2
* Don't assume something which might be a constant expression is an instruction.Eli Friedman2011-04-021-3/+3
* Fix INT_MIN gotcha pointed out by Eli Friedman.Nick Lewycky2011-03-211-3/+4
* Teach ComputeMaskedBits about sub nsw.Benjamin Kramer2011-03-121-8/+16
* ComputeMaskedBits: sub falls through to add, and sub doesn't have the same ov...Benjamin Kramer2011-03-111-1/+2
* Teach ComputeMaskedBits about nsw on add. I don't think there's anything we canNick Lewycky2011-03-111-0/+14
* Fix PR9331. Simplified version of a patch by Jakub Staszak.Duncan Sands2011-03-081-0/+4
* Add more analysis of the sign bit of an srem instruction. If the LHS is negativeNick Lewycky2011-03-071-0/+13
* Fix comment.Nick Lewycky2011-02-281-1/+1
* srem doesn't actually have the same resulting sign as its numerator, you couldNick Lewycky2011-02-281-12/+0
* Teach value tracking to make use of flags in more situations.Nick Lewycky2011-02-281-0/+25
* Teach ValueTracking to look at the dividend when determining the sign bit of anNick Lewycky2011-02-281-0/+12
* Stores of null pointers should turn into memset, we weren't recognizingChris Lattner2011-02-191-0/+5
* Tolerate degenerate phi nodes that can occur in the middle of optimizationNick Lewycky2011-02-101-0/+4
* Add a m_SignBit pattern for convenience.Duncan Sands2011-02-011-3/+1
* Fix typo: should have been testing that X was odd, not V.Duncan Sands2011-01-291-3/+3
* APInt has a method for determining whether a number is a power of 2Duncan Sands2011-01-261-1/+1
* In which I discover that zero+zero is zero, d'oh!Duncan Sands2011-01-251-3/+3
* See if this fixes llvm-gcc bootstrap.Duncan Sands2011-01-251-1/+2
* According to my auto-simplifier the most common missed simplifications inDuncan Sands2011-01-251-1/+164
* Give GetUnderlyingObject a TargetData, to keep it in syncDan Gohman2011-01-241-3/+4
* fix an off-by-one bug that caused a crash analyzingChris Lattner2011-01-041-1/+1
* move isBytewiseValue out to ValueTracking.h/cppChris Lattner2010-12-261-0/+69
* Add vector versions of some existing scalar transforms to aid codegen in matc...Nate Begeman2010-12-171-0/+7
* Reapply r121886, and also update DecomposeGEPExpression to keepDan Gohman2010-12-151-0/+8
* Revert r121886. DecomposeGEPExpression needs to be keptDan Gohman2010-12-151-8/+0
* Strengthen GetUnderlyingObject using InstructionSimplify.Dan Gohman2010-12-151-0/+9
* Move Value::getUnderlyingObject to be a standaloneDan Gohman2010-12-151-0/+20
* PR5207: Change APInt methods trunc(), sext(), zext(), sextOrTrunc() andJay Foad2010-12-071-12/+10
* PR5207: Rename overloaded APInt methods set(), clear(), flip() toJay Foad2010-12-011-11/+11