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* Pull iterators out of CFG.h and CFGdecls and put them in Support directoryChris Lattner2001-09-281-2/+3
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* ADCE is broken but at least we know whyChris Lattner2001-09-281-1/+6
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* Make ADCE more robust, it still has problems, but it's getting closerChris Lattner2001-09-091-37/+181
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* Types and constants are wierd things in symbol tables nowChris Lattner2001-09-071-3/+7
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* * Eliminate reference to ConstantPool classChris Lattner2001-09-071-14/+7
| | | | | | | * Constants are global objects that are not allocated or freed git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@456 91177308-0d34-0410-b5e6-96231b3b80d8
* Constant pool is deadChris Lattner2001-09-071-16/+2
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* Constants are now global unique objectsChris Lattner2001-09-071-6/+2
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* * Eliminate constant pool dependancies:Chris Lattner2001-09-071-29/+6
| | | | | | | * Eliminate DoRemoveUnusedConstants git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@453 91177308-0d34-0410-b5e6-96231b3b80d8
* * Supoprt global constantsChris Lattner2001-09-071-55/+13
| | | | | | | | | * Remove support for local constant pools * Eliminate constant pool merging method, which is no longer neccesary * Disable invalid optimization (todo: fix it) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@452 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable the elimination of method prototypes that are not referencedChris Lattner2001-07-281-4/+19
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* Moved inline/llvm/Tools/* to include/llvm/Support/*Chris Lattner2001-07-234-4/+4
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* Support external methodsChris Lattner2001-07-152-0/+2
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* Add knowledge about the struct form of the GetElementPtr instructionChris Lattner2001-07-141-1/+7
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* Remove dependency on the structure of ValueHolder.Chris Lattner2001-07-141-6/+5
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* Don't clean out the type plane of the constant pool... this is a hack. FIXMEChris Lattner2001-07-091-1/+6
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* Implement checking for new instructionsChris Lattner2001-07-081-3/+4
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* Use the CDG to mark branches alive on demand.Chris Lattner2001-07-081-18/+42
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* Neg instruction removed. Cast instruction implemented.Chris Lattner2001-07-081-10/+0
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* Broad superficial changes:Chris Lattner2001-07-075-16/+16
| | | | | | | | | | * Renamed getOpcode to getOpcodeName * Changed getOpcodeName to return a const char * instead of string * Added a getOpcode method to replace getInstType * Changed code to use getOpcode instead of getInstType git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152 91177308-0d34-0410-b5e6-96231b3b80d8
* Changed the fundemental architecture of Operands for Instructions. NowChris Lattner2001-07-074-19/+17
| | | | | | | | | | | | Operands are maintained as a vector<Use> in the User class, and operator iterators are provided as before. Getting an operand no longer requires a virtual function call. WARNING: getOperand(x) where x >= getNumOperands() will now assert instead of returning null! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149 91177308-0d34-0410-b5e6-96231b3b80d8
* Add method to unify all exit nodes of a methodChris Lattner2001-07-061-0/+69
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* Update to include right fileChris Lattner2001-07-061-1/+2
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* Initial checkin. Should print dead instructions, except it doesn't doChris Lattner2001-06-301-0/+126
| | | | | | | control dependencies. :( git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename DoSparseConditionalConstantProp -> DoSCCPChris Lattner2001-06-301-1/+1
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* Optimizations got their own header filesChris Lattner2001-06-306-147/+166
| | | | | | | | Optimizations now live in the 'opt' namespace include/llvm/Opt was renamed include/llvm/Optimizations git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113 91177308-0d34-0410-b5e6-96231b3b80d8
* Export ConstantFoldTerminator, allow it to fold conditional branches toChris Lattner2001-06-291-8/+30
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* Added documentation. Constant fold terminators.Chris Lattner2001-06-291-5/+16
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* * Factored RemovePredecessorFromBlock into BasicBlock::removePredecessorChris Lattner2001-06-291-68/+30
| | | | | | | | | | * Avoid messing around with this case: br label %A %A: br label %A * Enable optimizations that are correct now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102 91177308-0d34-0410-b5e6-96231b3b80d8
* We need to make sure to remove PHI nodes in the successor that cannot beChris Lattner2001-06-291-0/+8
| | | | | | | executed when removing branch dest. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101 91177308-0d34-0410-b5e6-96231b3b80d8
* Miscellaneous cleanups:Chris Lattner2001-06-273-63/+71
| | | | | | | | | | | | * Convert post to pre-increment for for loops * Use generic programming more * Use new Value::cast* instructions * Use new Module, Method, & BasicBlock forwarding methods * Use new facilities in STLExtras.h * Use new Instruction::isPHINode() method git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a new Sparse Conditional Constant Propogation passChris Lattner2001-06-271-0/+502
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* Misc cleanupChris Lattner2001-06-271-32/+24
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* * Expose DoConstantPoolMergingChris Lattner2001-06-271-40/+24
| | | | | | | | * Cleanups (post->pre increment, new cleaner API, etc) * Moved stuff into ConstantHandling.h git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement induction variable injection!Chris Lattner2001-06-251-12/+76
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* A silly stupid test of the loop depth calculator was added. REMOVE in theChris Lattner2001-06-251-0/+11
| | | | | | | future. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72 91177308-0d34-0410-b5e6-96231b3b80d8
* #include a different header due to Intervals.h splitting upChris Lattner2001-06-241-9/+47
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* Implement a lot more functionality. Now loop invariant and linearChris Lattner2001-06-221-5/+253
| | | | | | | induction variables are correctly identified. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57 91177308-0d34-0410-b5e6-96231b3b80d8
* Moved printing code to the Assembly/Writer library.Chris Lattner2001-06-211-27/+39
| | | | | | | Code now detects looping intervals git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52 91177308-0d34-0410-b5e6-96231b3b80d8
* Get rid of a silly printout that isn't needed right nowChris Lattner2001-06-201-1/+1
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* Add capability to print a derived interval graphChris Lattner2001-06-201-0/+9
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* Add a test case for interval codeChris Lattner2001-06-201-0/+44
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* Updates to work with new cfg namespaceChris Lattner2001-06-131-1/+8
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* Updates to supportChris Lattner2001-06-112-17/+17
| | | | | | | * Changes in PHI node structure git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25 91177308-0d34-0410-b5e6-96231b3b80d8
* Updated to work with new CFG.h file.Chris Lattner2001-06-071-20/+20
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* Significant rework. DCE is still not done (see #ifdef'd out parts)Chris Lattner2001-06-071-53/+188
| | | | | | | but at least the stuff that is checked in, now works. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10 91177308-0d34-0410-b5e6-96231b3b80d8
* Initial revisionChris Lattner2001-06-064-0/+770
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