Return const char * const instead of std::string from get register name method

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3294 91177308-0d34-0410-b5e6-96231b3b80d8

 - Added a new superclass of ConstantBool/ConstantInt: ConstantGenericIntegral
 - Moved InstCombine: isMaxValue, isMinValue, isAllOnesValue to Constants.h

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3293 91177308-0d34-0410-b5e6-96231b3b80d8

Tools are now moved into /shared

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3292 91177308-0d34-0410-b5e6-96231b3b80d8

 - Makefile changes:
   - Now build executables into /shared
   - New BUILD_ROOT_TOP variable which is basically = $(BUILD_ROOT)/$(LEVEL) but
     cleaner and works for llvm/test/*
   - Use := more in Makefile.common

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3291 91177308-0d34-0410-b5e6-96231b3b80d8

* Factor a bunch of code by using ReplaceInstUsesWith
* Move isMaxValue, isMinValue, isAllOnesValue to Constants.h

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3290 91177308-0d34-0410-b5e6-96231b3b80d8

Remove some extraneous #includes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3289 91177308-0d34-0410-b5e6-96231b3b80d8

Changes to make GlobalValueRefMap not derive from std::map.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3288 91177308-0d34-0410-b5e6-96231b3b80d8

Add comment

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3287 91177308-0d34-0410-b5e6-96231b3b80d8

New functionality for instcombine:
   * New ReplaceInstUsesWith function to factor out tons of common code
     This needs to be used more in the future still, but it's a good start
   * New InsertNewInstBefore to allow multi-instruction replacements
   * Change getMaxValue functions to isAllOnesValue function, which doesn't
     have to CREATE/lookup a new constant.  Also the name is accurate
   * Add new isMaxValue, isMinValue, isMaxValueMinusOne, isMinValuePlusOne
     functions:  This should be moved to Constant* classes eventually
   * Implement xor X, ALLONES -> not X
   * Fold ALL setcc's of booleans away
   * Handle various SetCC's for integers against values at the end of their
     ranges, possibly off by one.  This implements the setcc-strength-reduce.ll
     testcase.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3286 91177308-0d34-0410-b5e6-96231b3b80d8

xor x, ALLONES should -> not x

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3285 91177308-0d34-0410-b5e6-96231b3b80d8

setcc of booleans should always be eliminated

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3284 91177308-0d34-0410-b5e6-96231b3b80d8

Add more strength reduction testcases

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3283 91177308-0d34-0410-b5e6-96231b3b80d8

*** empty log message ***

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3282 91177308-0d34-0410-b5e6-96231b3b80d8

* IntervalPartition no longer derives from vector

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3281 91177308-0d34-0410-b5e6-96231b3b80d8

Do not add an extra vtable to EVERY machineinstr created.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3280 91177308-0d34-0410-b5e6-96231b3b80d8

UnaryOperator::create should take a name just like BinaryOperator::create

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3279 91177308-0d34-0410-b5e6-96231b3b80d8

* Removed extraneous #includes
* Fixed file headers to be consistent with the rest of LLVM
* Other minor fixes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3278 91177308-0d34-0410-b5e6-96231b3b80d8

* Removed extraneous #includes
* Fixed file headers to be consistent with the rest of LLVM
* Other minor fixes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3277 91177308-0d34-0410-b5e6-96231b3b80d8

We are using std::vector, so remove extraneous namespace prefixes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3275 91177308-0d34-0410-b5e6-96231b3b80d8

Change machinecode for instruction to not inherit from vector.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3274 91177308-0d34-0410-b5e6-96231b3b80d8

The second parameter of hash_set is the default, remove it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3273 91177308-0d34-0410-b5e6-96231b3b80d8

Oops, I accidentally broke the .d files.  Fixed thusly

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3272 91177308-0d34-0410-b5e6-96231b3b80d8

Very minor cleanups

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3271 91177308-0d34-0410-b5e6-96231b3b80d8

* Document the BUILD_ROOT changes and option
* Convert directories to <tt> like they should be

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3270 91177308-0d34-0410-b5e6-96231b3b80d8

* Remove some bogus dependencies on Depend/.dir
* Build into the machine local /shared directory instead of using local
  Debug/Depend/Release directories

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3269 91177308-0d34-0410-b5e6-96231b3b80d8

Oh yeah, I wrote it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3268 91177308-0d34-0410-b5e6-96231b3b80d8

Initial checkin of the "Writting an LLVM Pass" document

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3267 91177308-0d34-0410-b5e6-96231b3b80d8

Initial checkin of the "Hello World" Pass.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3266 91177308-0d34-0410-b5e6-96231b3b80d8

- Cleaned up the interface to AnalysisUsage to take analysis class names
   instead of ::ID's.
 - Pass::getAnalysis<> now no longer takes an optional argument

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3265 91177308-0d34-0410-b5e6-96231b3b80d8

- Cleaned up the interface to AnalysisUsage to take analysis class names
   instead of ::ID's.
 - Pass::getAnalysis<> now no longer takes an optional argument

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3264 91177308-0d34-0410-b5e6-96231b3b80d8

 - Cleaned up the interface to AnalysisUsage to take analysis class names
   instead of ::ID's.
 - Pass::getAnalysis<> now no longer takes an optional argument

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3263 91177308-0d34-0410-b5e6-96231b3b80d8

Remove extraneous #includes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3262 91177308-0d34-0410-b5e6-96231b3b80d8

Minor changes to DEBUG()'s

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3261 91177308-0d34-0410-b5e6-96231b3b80d8

Reorder #includes to be right

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3260 91177308-0d34-0410-b5e6-96231b3b80d8

Merge three loops into one.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3259 91177308-0d34-0410-b5e6-96231b3b80d8

Fix breakage in the build

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3258 91177308-0d34-0410-b5e6-96231b3b80d8

Only include the sparc.o file once!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3257 91177308-0d34-0410-b5e6-96231b3b80d8

Simplify writing custom parsers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3256 91177308-0d34-0410-b5e6-96231b3b80d8

Simplify interface to parsers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3255 91177308-0d34-0410-b5e6-96231b3b80d8

* Write the "Custom parser" section
* Boldify stuff that changes in the help output.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3254 91177308-0d34-0410-b5e6-96231b3b80d8

Write the reference section, make other minor editing changes elsewhere.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3253 91177308-0d34-0410-b5e6-96231b3b80d8

added Mapping and Function Pass

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3251 91177308-0d34-0410-b5e6-96231b3b80d8

Add function GetConstantValueAsUnsignedInt.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3249 91177308-0d34-0410-b5e6-96231b3b80d8

Bug fix in CreateCodeToLoadConst(): use sign of dest, not operand,
in choosing how to create int-set instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3248 91177308-0d34-0410-b5e6-96231b3b80d8

Add a sequence  of GEPs with constant indices, for folding.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3247 91177308-0d34-0410-b5e6-96231b3b80d8

Bug fix in TargetData::getIndexedOffset(): handle struct offset
after array offset correctly.  The type was not being updated for
array offsets!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3246 91177308-0d34-0410-b5e6-96231b3b80d8

Bug fix in SetOperandsForMemInstr: handle leading zeros correctly
when folding or not folding GEPs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3245 91177308-0d34-0410-b5e6-96231b3b80d8

Add function GetConstantValueAsUnsignedInt.
Fix 2 bugs in FoldGetElemChain so index vector is not modified
when no GEPs are folded in, and so a hasLeadingZero is computed
only for the last folded GEP, not the one after that if any.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3244 91177308-0d34-0410-b5e6-96231b3b80d8

Fix compilation problem.  IsIndexZero doesn't exist, use IsZero instead.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3243 91177308-0d34-0410-b5e6-96231b3b80d8

Testcase for stuff instcombine should do eventually

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3240 91177308-0d34-0410-b5e6-96231b3b80d8

Add some more features that we could instcombine away

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3239 91177308-0d34-0410-b5e6-96231b3b80d8

*** empty log message ***

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3238 91177308-0d34-0410-b5e6-96231b3b80d8

Comment options that may be enabled

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3237 91177308-0d34-0410-b5e6-96231b3b80d8

Simplified handling of array indexes in SetMemOperands_Internal.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3236 91177308-0d34-0410-b5e6-96231b3b80d8

Add MemAccessInst::getNumIndices().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3234 91177308-0d34-0410-b5e6-96231b3b80d8

Eliminate cast instructions: use only GEPs in decomposed sequence.
Don't decompose if there are 2 indices with 0 as first index.
Compute Changed flag correctly in runOnBasicBlock().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3233 91177308-0d34-0410-b5e6-96231b3b80d8

Run both *.ll and *.c tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3232 91177308-0d34-0410-b5e6-96231b3b80d8

Added expected decomposed sequence in comments, plus a couple of new cases.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3231 91177308-0d34-0410-b5e6-96231b3b80d8

Fix problem where lli would not print out a 64 bit value when the client code
uses the modifier "%ld".  Now lli passes off "%lld" to the underlying runtime
library in this case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3230 91177308-0d34-0410-b5e6-96231b3b80d8

Fix one real nasty bug

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3227 91177308-0d34-0410-b5e6-96231b3b80d8

Fix lli with no arguments

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3226 91177308-0d34-0410-b5e6-96231b3b80d8

Fix bug: test/Regression/Transforms/InstCombine/2002-08-02-CastTest.ll
Implement feature: Cast's can now be converted to bitwise AND expressions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3225 91177308-0d34-0410-b5e6-96231b3b80d8

Fix yet another bug in the testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3224 91177308-0d34-0410-b5e6-96231b3b80d8

Fix bug in testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3223 91177308-0d34-0410-b5e6-96231b3b80d8

* Cleanups of instcombine
   - Reenable gep (gep x) -> x
   - Make instcombine do dead instruction elimination where it's really
     easy.  Now visitors don't have to ensure they aren't not processing
     dead instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3222 91177308-0d34-0410-b5e6-96231b3b80d8

These tests should not run -dce pass to cleanup instcombine.
If instcombine is making dead instructions, ALL that should be used is -die

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3221 91177308-0d34-0410-b5e6-96231b3b80d8

Add another testcase that isn't failing because of another bug in instcombine

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3220 91177308-0d34-0410-b5e6-96231b3b80d8

Change test to really test the cases we can hit

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3219 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3218 91177308-0d34-0410-b5e6-96231b3b80d8

Don't build Debug/ versions when ENABLE_OPTIMIZED is on.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3216 91177308-0d34-0410-b5e6-96231b3b80d8

Fix bug: test/Regression/Transforms/GCSE/2002-05-21-NoSharedDominator.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3215 91177308-0d34-0410-b5e6-96231b3b80d8

Implement dominator checking in the verifier, so that we check that all
defintiions dominate their uses

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3214 91177308-0d34-0410-b5e6-96231b3b80d8

Fix bug: test/Regression/Other/2002-08-02-DomSetProblem.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3213 91177308-0d34-0410-b5e6-96231b3b80d8

Add a note about where to put miscompilation tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3212 91177308-0d34-0410-b5e6-96231b3b80d8

Split dominance calculation and post dominance calculation stuff
Dominance calculation goes to VMCore library to be used by Verifier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3210 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase for dominator problem

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3209 91177308-0d34-0410-b5e6-96231b3b80d8

The verify pass is implicit

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3208 91177308-0d34-0410-b5e6-96231b3b80d8

New test

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3207 91177308-0d34-0410-b5e6-96231b3b80d8

Tweak makefile after moving

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3205 91177308-0d34-0410-b5e6-96231b3b80d8

Verify is implicit for opt

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3204 91177308-0d34-0410-b5e6-96231b3b80d8

Fix makefile to work.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3203 91177308-0d34-0410-b5e6-96231b3b80d8

Fix broken testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3202 91177308-0d34-0410-b5e6-96231b3b80d8

Make testcase legal LLVM

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3201 91177308-0d34-0410-b5e6-96231b3b80d8

Remove unneccesary #inlcude

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3200 91177308-0d34-0410-b5e6-96231b3b80d8

Enhance -time-passes to be more detailed and useful

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3199 91177308-0d34-0410-b5e6-96231b3b80d8

Bug fix: incorrect SAVE instruction when using register for stack size.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3198 91177308-0d34-0410-b5e6-96231b3b80d8

Feature test for stack size bigger than immed. field of SAVE instruction.
Also tests code generation for code with mixed indices.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3197 91177308-0d34-0410-b5e6-96231b3b80d8

Reorder tool building sequence to more closely match the reality of what
is being worked on the most.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3196 91177308-0d34-0410-b5e6-96231b3b80d8

Fix bug: test/Regression/Assembler/2002-07-31-SlashInString.llx

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3195 91177308-0d34-0410-b5e6-96231b3b80d8

NEw testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3194 91177308-0d34-0410-b5e6-96231b3b80d8

Implement the other half of a feature advertised by OperandConvertableToType.

This fixes bug: test/Regression/Transforms/LevelRaise/2002-07-31-AssertionFailure.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3193 91177308-0d34-0410-b5e6-96231b3b80d8

Cleanup Makefile a bit

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3192 91177308-0d34-0410-b5e6-96231b3b80d8

Just improved comments and assertions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3191 91177308-0d34-0410-b5e6-96231b3b80d8

Trim down testcase a bit

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3190 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase for level-raise crash inspired by SPEC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3189 91177308-0d34-0410-b5e6-96231b3b80d8

Add a missing case: converting float/double to unsigned integer types.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3188 91177308-0d34-0410-b5e6-96231b3b80d8

Changes to be GCC3.1 friendly

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3187 91177308-0d34-0410-b5e6-96231b3b80d8

Changes to be GCC3.1 friendly

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3186 91177308-0d34-0410-b5e6-96231b3b80d8

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3185 91177308-0d34-0410-b5e6-96231b3b80d8

Changes to be GCC 3.1 friendly

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3184 91177308-0d34-0410-b5e6-96231b3b80d8