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* Updated.Evan Cheng2007-03-201-1/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35229 91177308-0d34-0410-b5e6-96231b3b80d8
* Potential spiller improvement.Evan Cheng2007-03-201-0/+27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35228 91177308-0d34-0410-b5e6-96231b3b80d8
* do not share old induction variables when this would result in invalidDale Johannesen2007-03-204-18/+71
| | | | | | | instructions (that would have to be split later) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35227 91177308-0d34-0410-b5e6-96231b3b80d8
* maintain LiveIn when splitting blocks (register scavenging needs it)Dale Johannesen2007-03-202-1/+29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35226 91177308-0d34-0410-b5e6-96231b3b80d8
* DominanceFrontier::calculate().Devang Patel2007-03-201-23/+78
| | | | | | | Avoid recursion, Use iterative algorithm. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35225 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix some VC++ warnings.Jeff Cohen2007-03-202-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35224 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix (and simplify) 48-bit byte swap.Jeff Cohen2007-03-201-9/+8
| | | | | | | Get pos/neg infinity the correct way. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35223 91177308-0d34-0410-b5e6-96231b3b80d8
* LoopSimplify::FindPHIToPartitionLoops()Devang Patel2007-03-202-4/+25
| | | | | | | Use ETForest instead of DominatorSet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35221 91177308-0d34-0410-b5e6-96231b3b80d8
* Code clean up.Lauro Ramos Venancio2007-03-201-23/+20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35220 91177308-0d34-0410-b5e6-96231b3b80d8
* Minor bug.Evan Cheng2007-03-201-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35219 91177308-0d34-0410-b5e6-96231b3b80d8
* bugfix: When the source register of CALL_NOLINK was LR, the following code ↵Lauro Ramos Venancio2007-03-203-19/+28
| | | | | | | | | | | was emitted: mov lr, pc bx lr So, the function was not called. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35218 91177308-0d34-0410-b5e6-96231b3b80d8
* Regenerate.Reid Spencer2007-03-202-176/+172
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* Don't delete things before their last use (avoids bad reads).Reid Spencer2007-03-201-2/+0
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* CopyToReg source operand can be a physical register.Lauro Ramos Venancio2007-03-201-3/+19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35213 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify isHighOnes().Zhou Sheng2007-03-201-9/+1
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* First cut trivial re-materialization support.Evan Cheng2007-03-204-26/+151
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35208 91177308-0d34-0410-b5e6-96231b3b80d8
* Make two piece constant generation as a single instruction. It's ↵Evan Cheng2007-03-202-30/+55
| | | | | | re-materialized as a load from constantpool. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35207 91177308-0d34-0410-b5e6-96231b3b80d8
* New entry.Evan Cheng2007-03-201-0/+13
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* Added MRegisterInfo hook to re-materialize an instruction.Evan Cheng2007-03-2012-16/+99
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35205 91177308-0d34-0410-b5e6-96231b3b80d8
* Two changes:Chris Lattner2007-03-202-13/+39
| | | | | | | | | | | | | | | | | | | | | | | | | | | 1) codegen a shift of a register as a shift, not an LEA. 2) teach the RA to convert a shift to an LEA instruction if it wants something in three-address form. This gives us asm diffs like: - leal (,%eax,4), %eax + shll $2, %eax which is faster on some processors and smaller on all of them. and, more interestingly: - movl 24(%esi), %eax - leal (,%eax,4), %edi + movl 24(%esi), %edi + shll $2, %edi Without #2, #1 was a significant pessimization in some cases. This implements CodeGen/X86/shift-codegen.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35204 91177308-0d34-0410-b5e6-96231b3b80d8
* fix indentationChris Lattner2007-03-201-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35202 91177308-0d34-0410-b5e6-96231b3b80d8
* Regenerate.Reid Spencer2007-03-203-282/+320
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* Plug some PATypeHolder memory leaks.Reid Spencer2007-03-201-6/+25
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* use types of loads and stores, not address, in CheckForIVReuseDale Johannesen2007-03-201-7/+28
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* fix obvious comment bugDale Johannesen2007-03-201-1/+1
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* Fix a nasty memory leak, caused by my revamp of the value symbol table.Chris Lattner2007-03-201-0/+5
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* Make isOneBitSet faster by using APInt::isPowerOf2. Thanks Chris.Reid Spencer2007-03-201-1/+1
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* APIntify the isHighOnes utility function.Reid Spencer2007-03-191-5/+6
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* Fix coding standards violation.Reid Spencer2007-03-191-1/+1
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* Implement isMaxValueMinusOne in terms of APInt instead of uint64_t.Reid Spencer2007-03-191-5/+4
| | | | | | | Patch by Sheng Zhou. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35188 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement isMinValuePlusOne using facilities of APInt instead of uint64_tReid Spencer2007-03-191-5/+4
| | | | | | | Patch by Zhou Sheng. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35187 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement isOneBitSet in terms of APInt::countPopulation.Reid Spencer2007-03-191-2/+1
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* 1. Use APInt::getSignBit to reduce clutter (patch by Sheng Zhou)Reid Spencer2007-03-191-8/+4
| | | | | | | 2. Replace uses of the "isPositive" utility function with APInt::isPositive git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35185 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove a redundant clause in an if statement.Reid Spencer2007-03-191-1/+0
| | | | | | | Patch by Sheng Zhou. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35184 91177308-0d34-0410-b5e6-96231b3b80d8
* Regenerate.Reid Spencer2007-03-192-156/+146
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* Fix test/Assembler/2007-03-19-NegValue.ll by using the new "isSigned"Reid Spencer2007-03-191-9/+4
| | | | | | | | parameter on ConstantInt::get to indicate the signedness of the intended value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35182 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow ConstantInt::get(Ty, uint64_t) to interpret the 64-bit values as aReid Spencer2007-03-191-2/+2
| | | | | | | negative number. This is needed to fix test/Assembler/2007-03-19-NegValue.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35181 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement extension of sign bits for negative values in the uint64_tReid Spencer2007-03-191-1/+5
| | | | | | | constructor. This helps to fix test/Assembler/2007-03-19-NegValue.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35180 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix mingw32 buildAnton Korobeynikov2007-03-191-0/+1
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* Regenerate.Reid Spencer2007-03-193-579/+607
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* For PR1248:Reid Spencer2007-03-191-155/+169
| | | | | | | | | | | | Eliminate support for type planes in numbered values. This simplifies the data structures involved in managing forward definitions, etc. Instead of requiring maps from type to value, we can now just use a vector of values. These changes also required rewrites of some support functions such as InsertValue, getBBVal, and ResolveDefinitions. Some other cosmetic changes were made as well. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35173 91177308-0d34-0410-b5e6-96231b3b80d8
* Add and Operator== method to ValID so equality can be done properly forReid Spencer2007-03-191-0/+20
| | | | | | | named or numbered ValIDs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35172 91177308-0d34-0410-b5e6-96231b3b80d8
* For PR1258:Reid Spencer2007-03-191-39/+20
| | | | | | | | | | | Radically simplify the SlotMachine. There is no need to keep Value planes around any more. This change causes slot numbering to number all un-named, non-void values starting at 0 and incrementing monotonically through the function, regardless of type (including BasicBlocks). Getting slot numbers is now a single lookup operation instead of a double lookup. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35171 91177308-0d34-0410-b5e6-96231b3b80d8
* fix ScalarRepl/2007-03-19-CanonicalizeMemcpy.llChris Lattner2007-03-191-1/+2
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* Remove -reduce-joining-phys-regs options. Make it on by default.Evan Cheng2007-03-191-3/+1
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* Fix naming inconsistencies.Evan Cheng2007-03-196-30/+30
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* Special LDR instructions to load from non-pc-relative constantpools. These areEvan Cheng2007-03-193-2/+12
| | | | | | | rematerializable. Only used for constant generation for now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35162 91177308-0d34-0410-b5e6-96231b3b80d8
* Constant generation instructions are re-materializable.Evan Cheng2007-03-192-5/+11
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* Added isReMaterializable.Evan Cheng2007-03-191-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35160 91177308-0d34-0410-b5e6-96231b3b80d8
* Minor bug fix.Evan Cheng2007-03-191-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35153 91177308-0d34-0410-b5e6-96231b3b80d8
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