Chris Lattner
7cdd2e0cb0
Converted SimpleStructMutation to take TargetData as a required pass.
...
llvm-svn: 3932
2002-09-26 00:17:21 +00:00
Chris Lattner
7ab2bba3d3
Change LowerAllocations pass to 'require' TargetData instead of it being
...
passed in.
llvm-svn: 3929
2002-09-25 23:47:47 +00:00
Chris Lattner
2cf19d980a
- Fix bug: Mem2Reg/2002-05-01-ShouldNotPromoteThisAlloca.ll
...
llvm-svn: 3917
2002-09-24 21:19:41 +00:00
Chris Lattner
7fafece8e0
Eliminate extraneous #include
...
llvm-svn: 3916
2002-09-24 21:18:40 +00:00
Chris Lattner
54cf78c786
Fix bug: SimplifyCFG/2002-09-24-PHIAssertion.ll
...
llvm-svn: 3913
2002-09-24 16:09:17 +00:00
Chris Lattner
a4f47fb77e
- Do not expose Critical Edge breaking mechanics outside the BCE pass, thus
...
removing it from Transforms/Local.h and from Transforms/Utils/*
llvm-svn: 3911
2002-09-24 15:52:01 +00:00
Chris Lattner
25ba5ac7ce
- Do not expose Critical Edge breaking mechanics outside the BCE pass, thus
...
removing it from Transforms/Local.h and from Transforms/Utils/*
llvm-svn: 3910
2002-09-24 15:51:56 +00:00
Chris Lattner
1014aae962
Correlated Exprs pass now requires BCE pass instead of doing it manually
...
llvm-svn: 3908
2002-09-24 15:43:56 +00:00
Chris Lattner
49588769e0
- Expose passinfo from BreakCriticalEdges pass so that it may be "Required"
...
by other passes. Make BCE pass be in anonymous namespace now.
llvm-svn: 3907
2002-09-24 15:43:12 +00:00
Chris Lattner
4e11d9e5de
Minor cleanups
...
llvm-svn: 3904
2002-09-24 00:09:26 +00:00
Chris Lattner
e62cdff96c
Add new BreakCriticalEdges pass
...
llvm-svn: 3903
2002-09-24 00:08:39 +00:00
Chris Lattner
b6c408778a
Optimize away cases like:
...
%cast109 = cast uint %cast212 to short ; <short> [#uses=1]
%cast214 = cast short %cast109 to uint ; <uint> [#uses=1]
%cast215 = cast uint %cast214 to short ; <short> [#uses=1]
llvm-svn: 3897
2002-09-23 23:39:43 +00:00
Chris Lattner
a4184f9ab6
Fix: ConstantMerge/2002-09-23-CPR-Update.ll
...
Basically, this bug boiled down to calling replaceUsesOfWith on a constant,
which changed it's shape in an illegal way. This pass now goes through all
of the trouble neccesary to do the replacement on constants.
llvm-svn: 3895
2002-09-23 23:00:46 +00:00
Chris Lattner
2a53929c5d
* Fix bug: CorrelatedExprs/2002-09-23-PHIUpdateBug.ll
...
* Make sure "Changed" is updated correctly
llvm-svn: 3891
2002-09-23 20:06:22 +00:00
Chris Lattner
aecb825629
Insert resolved constants into the global map so they are reused correctly.
...
This bug was exposed linking the SPEC benchmark suite.
llvm-svn: 3888
2002-09-23 18:14:15 +00:00
Chris Lattner
5c6d487ee2
Don't insert a PHI node to merge "returns" from an inlined function if there
...
is only a single return from the function!
llvm-svn: 3878
2002-09-22 18:41:25 +00:00
Anand Shukla
b959e8559e
Added checking threshold
...
llvm-svn: 3864
2002-09-20 16:44:35 +00:00
Anand Shukla
cf6e76fbff
split retracing into a separate file
...
llvm-svn: 3809
2002-09-18 03:55:26 +00:00
Misha Brukman
e093f5cb9b
Removed unnecessary #includes.
...
llvm-svn: 3802
2002-09-18 02:07:57 +00:00
Misha Brukman
6a2dc6b0ba
Fixed typo.
...
llvm-svn: 3801
2002-09-18 00:42:45 +00:00
Chris Lattner
4396aee3a2
There is a #define in some header that conflicts with INFINITY, rename it.
...
llvm-svn: 3797
2002-09-17 23:46:33 +00:00
Chris Lattner
5ccb21f41d
Fix bug: test/Regression/Transforms/InstCombine/2002-09-17-GetElementPtrCrash.ll
...
Thanks to Casey for finding it!
llvm-svn: 3783
2002-09-17 21:05:42 +00:00
Chris Lattner
99d6a46698
Fix FunctionInlining pass assertion failure:
...
ilist:104: failed assertion `Traits::getNext(NodePtr) != 0 && "Dereferencing end()!"'
llvm-svn: 3768
2002-09-16 22:30:20 +00:00
Chris Lattner
5704e40ce0
Fix: test/Regression/LLC/badidx.c problem
...
llvm-svn: 3763
2002-09-16 18:32:33 +00:00
Vikram S. Adve
4bcec53ed7
Extract most of the transformation into an externally accessible
...
function -- DecomposeArrayRef(GetElementPtrInst* GEP) -- that can
be invoked on a single instruction at a time.
llvm-svn: 3755
2002-09-16 16:40:07 +00:00
Anand Shukla
86e49b7621
Incorporated changes in alloca and getElementPointer instruction
...
llvm-svn: 3733
2002-09-16 05:26:51 +00:00
Anand Shukla
0906acb26d
Incorporated changes in alloca instruction
...
llvm-svn: 3732
2002-09-16 05:24:49 +00:00
Chris Lattner
56d9dfd0e0
Fix bug I introduced
...
llvm-svn: 3719
2002-09-14 19:33:16 +00:00
Misha Brukman
2e598f0092
Function.h is unnecessary when Module.h is included.
...
llvm-svn: 3716
2002-09-14 03:04:02 +00:00
Misha Brukman
dbe90c56ec
Following Chris's advice, I'm pruning some unnecessary .h includes that I'm
...
noticing. Since Module includes Function, and eventually, BasicBlock and
GlobalVariable, the last three are unnecessary to be included directly.
llvm-svn: 3713
2002-09-14 02:06:53 +00:00
Chris Lattner
547be87c13
Change the MallocInst & AllocaInst ctors to take the allocated type, not the
...
pointer type returned.
llvm-svn: 3711
2002-09-13 22:28:50 +00:00
Chris Lattner
f820cab2ad
Change the MallocInst & AllocaInst ctors to take the allocated type, not the
...
pointer type returned.
llvm-svn: 3710
2002-09-13 22:28:45 +00:00
Chris Lattner
d6fed79df6
Fix bug I introduced with one of my previous changes.
...
Thanks fly out to Nick for noticing it! :)
llvm-svn: 3691
2002-09-12 19:00:43 +00:00
Chris Lattner
fb017cb38c
- Change getelementptr instruction to use long indexes instead of uint
...
indexes for sequential types.
llvm-svn: 3682
2002-09-11 01:21:33 +00:00
Chris Lattner
18e3c4ff50
- Change getelementptr instruction to use long indexes instead of uint
...
indexes for sequential types.
llvm-svn: 3681
2002-09-11 01:21:29 +00:00
Chris Lattner
5f4b79edaf
Fix the last of the silly bugs I just introduced. :(
...
llvm-svn: 3674
2002-09-10 23:46:10 +00:00
Chris Lattner
62bd3a248c
Fix bugs in previous checkins
...
llvm-svn: 3673
2002-09-10 23:31:28 +00:00
Chris Lattner
0b81131afc
Fix bug in previous checkin
...
llvm-svn: 3672
2002-09-10 23:31:12 +00:00
Chris Lattner
5143d4a3b3
Add cannonicalization of shl X, 1 -> add X, X
...
llvm-svn: 3671
2002-09-10 23:04:09 +00:00
Chris Lattner
f2fa52fec2
Fix minor problems in previous checkin
...
llvm-svn: 3669
2002-09-10 22:52:51 +00:00
Chris Lattner
3b3e26bb63
Fix minor problems in previous checkin
...
llvm-svn: 3668
2002-09-10 22:52:49 +00:00
Chris Lattner
f2e4e61769
Clean up code due to auto-insert constructors
...
llvm-svn: 3666
2002-09-10 22:38:49 +00:00
Chris Lattner
37c3a1d80c
Clean up code due to auto-insert constructors
...
llvm-svn: 3665
2002-09-10 22:38:47 +00:00
Chris Lattner
38203aa15a
Clean up code
...
llvm-svn: 3664
2002-09-10 22:38:06 +00:00
Chris Lattner
acbd992f9d
Fix bug: test/Regression/Transforms/LevelRaise/2002-09-10-PointerAdds.ll
...
llvm-svn: 3658
2002-09-10 19:42:53 +00:00
Chris Lattner
da9702a8a1
Simplify code (somtimes dramatically), by using the new "auto-insert" feature
...
of instruction constructors.
llvm-svn: 3656
2002-09-10 17:04:02 +00:00
Chris Lattner
5758cf6d77
Simplify code (somtimes dramatically), by using the new "auto-insert" feature
...
of instruction constructors.
llvm-svn: 3655
2002-09-10 17:03:06 +00:00
Chris Lattner
7787814c22
* Clean up code a little bit
...
* Fix bug: test/Regression/Transforms/IndVarsSimplify/2002-09-09-PointerIndVar.ll
llvm-svn: 3644
2002-09-10 05:24:05 +00:00
Chris Lattner
4f5abce7f6
Hack unneccesary now that shifts of pointers are no longer legal!
...
llvm-svn: 3640
2002-09-10 03:50:54 +00:00
Chris Lattner
f6a9e54dda
Disallow creation of pointer typed shift instructions
...
llvm-svn: 3637
2002-09-09 20:25:21 +00:00
Chris Lattner
4b8ce3aed2
Factor silly code duplication out
...
llvm-svn: 3627
2002-09-08 21:47:54 +00:00
Chris Lattner
c1de581f8e
Fix Bug: test/Regression/Transforms/InstCombine/2002-09-08-PointerShiftBug.ll
...
llvm-svn: 3626
2002-09-08 21:39:07 +00:00
Chris Lattner
c30029172a
Minor simplification
...
llvm-svn: 3619
2002-09-08 18:55:04 +00:00
Chris Lattner
bd03f18e04
Initial checkin of Correlated Expression Elimination Pass
...
llvm-svn: 3599
2002-09-06 18:41:55 +00:00
Chris Lattner
bf38fcf5ee
Fix file header to be accurate, instead of something I just copied and pasted.
...
llvm-svn: 3591
2002-09-06 03:59:56 +00:00
Chris Lattner
78a3ebaa18
Fix bug with critical edge splitting code where it wouldn't update PHI nodes
...
in the old destination block to indicate that the value flows from the new
edge splitting block, not from the original multi-successor block.
llvm-svn: 3590
2002-09-06 03:51:45 +00:00
Chris Lattner
c3c754062f
Check in the implementation of critical edge detection and splitting
...
llvm-svn: 3588
2002-09-06 02:35:34 +00:00
Chris Lattner
3ce5b343c5
- Renamed Type::isIntegral() to Type::isInteger()
...
- Added new method Type::isIntegral() that is the same as isInteger, but
also accepts bool.
llvm-svn: 3574
2002-09-03 01:08:28 +00:00
Chris Lattner
904f214a13
- Renamed Type::isIntegral() to Type::isInteger()
...
- Added new method Type::isIntegral() that is the same as isInteger, but
also accepts bool.
llvm-svn: 3573
2002-09-03 01:07:35 +00:00
Chris Lattner
cd49f0ec5d
Add constant prop & DIE to InstCombine, so it cleans up after itself
...
llvm-svn: 3568
2002-09-02 04:59:56 +00:00
Chris Lattner
bb8f1a072b
- Implement SCCP of getelementptr instructions
...
- Implement SCCP of globals into ConstantExprs hopefully opening new
opportunities for more SCCP.
llvm-svn: 3555
2002-08-30 23:39:00 +00:00
Chris Lattner
838248b35a
- Eliminate the last traces of the 'analysis' namespace
...
llvm-svn: 3550
2002-08-30 22:53:53 +00:00
Chris Lattner
a146c9e769
Really minor cleanups
...
llvm-svn: 3549
2002-08-30 22:53:30 +00:00
Chris Lattner
b0cbcfd5e4
- GCSE now no longer counts instructions not removed (due to no common
...
dominator as being removed)
- GCSE now uses new Value #'ing interface, instead of dealing with AA itself
- GCSE worklist implementation much simpler, class cleaned up.
llvm-svn: 3533
2002-08-30 20:22:29 +00:00
Chris Lattner
66b1127636
- instcombine demorgan's law: and (not A), (not B) == not (or A, B)
...
llvm-svn: 3495
2002-08-23 18:32:43 +00:00
Chris Lattner
9f18db8156
Eliminated the MemAccessInst class, folding contents into GEP class.
...
llvm-svn: 3488
2002-08-22 23:37:24 +00:00
Chris Lattner
20b85d96e4
Eliminated the MemAccessInst class, folding contents into GEP class.
...
llvm-svn: 3487
2002-08-22 23:37:20 +00:00
Chris Lattner
969c616d51
Load & StoreInst no longer derive from MemAccessInst, so we don't have
...
to handle indexing anymore
llvm-svn: 3485
2002-08-22 22:49:05 +00:00
Chris Lattner
65920fff34
*** empty log message ***
...
llvm-svn: 3483
2002-08-22 22:48:32 +00:00
Chris Lattner
8b8d72c1f2
Add capability of using pointer analysis to LICM
...
llvm-svn: 3478
2002-08-22 21:39:55 +00:00
Chris Lattner
5addf774a3
Remove long obsolete comments
...
llvm-svn: 3476
2002-08-22 21:25:54 +00:00
Chris Lattner
18826b07fe
Instcombine PHI's of the form %PN = phi PN, X into X and
...
%PN = phi PN, PN, PN into 0 (because the phi must not be reachable)
llvm-svn: 3470
2002-08-22 20:22:01 +00:00
Chris Lattner
5b94b874d6
Convert GCSE pass to use new alias analysis infrastructure
...
llvm-svn: 3463
2002-08-22 18:24:48 +00:00
Chris Lattner
59e4067423
Do not generate load/store instructions with indexing.
...
llvm-svn: 3461
2002-08-22 16:41:31 +00:00
Chris Lattner
c4bd846e84
- Split Dominators.h into Dominators.h & PostDominators.h
...
llvm-svn: 3432
2002-08-21 23:43:50 +00:00
Chris Lattner
9c09c6a306
Do not generate loads/stores with indexing
...
llvm-svn: 3422
2002-08-21 22:11:33 +00:00
Chris Lattner
c3bf7eea0e
Remove extraneous #includes
...
llvm-svn: 3421
2002-08-21 22:11:14 +00:00
Chris Lattner
cddef868de
Do not create load/stores with indexes
...
llvm-svn: 3420
2002-08-21 22:10:52 +00:00
Chris Lattner
a154f5fa97
Remove an optimization that isn't.
...
llvm-svn: 3419
2002-08-21 22:10:06 +00:00
Chris Lattner
6c83ee57c1
- Do not expose ::ID from any of the analyses anymore.
...
llvm-svn: 3417
2002-08-21 17:09:49 +00:00
Chris Lattner
af538ea2c9
fixed bug: test/Regression/Linker/2002-08-20-ConstantExpr.ll
...
llvm-svn: 3412
2002-08-20 19:35:11 +00:00
Chris Lattner
ad92b604b5
- instcombine (~(a < b)) into (a >= b)
...
llvm-svn: 3406
2002-08-20 18:24:26 +00:00
Chris Lattner
22116975ce
- implemented instcombine of phi (X, X, X) -> X
...
llvm-svn: 3397
2002-08-20 15:35:35 +00:00
Chris Lattner
289ad0e1fd
- Made GlobalDCE worklist driven, making it more successful. Now can handle
...
cases like: test/Regression/Transforms/GlobalDCE/2002-08-17-WorkListTest.ll
llvm-svn: 3381
2002-08-18 01:28:30 +00:00
Chris Lattner
04d2780d12
Promote getelementptr instructions to constexprs if we can.
...
llvm-svn: 3368
2002-08-17 22:21:59 +00:00
Chris Lattner
caaca8d4c9
Handle more cases of cast-of-cast in more general forms.
...
llvm-svn: 3347
2002-08-15 16:15:25 +00:00
Chris Lattner
83f92a7237
Implement capability to fold this:
...
uint %test4(int %A, int %B) {
%COND = setlt int %A, %B ; <bool> [#uses=1]
%result = cast bool %COND to uint ; <uint> [#uses=1]
ret uint %result
}
into a single cast instruction.
llvm-svn: 3339
2002-08-14 23:21:10 +00:00
Chris Lattner
be85bafab2
Avoid creating 'load X, 0' instead of just 'load X'
...
This _trivial_ change causes GCSE and LICM to be much more effective at
hoisting loads. Before it would not be able to eliminate 'load X' if there
was just a dominating 'load X, 0' because the expressions were not identical.
llvm-svn: 3337
2002-08-14 22:11:52 +00:00
Chris Lattner
80b897953e
Avoid inserting an entry block unless we need it
...
llvm-svn: 3336
2002-08-14 21:35:02 +00:00
Chris Lattner
6a9d88347a
Remove support for Not ConstantExpr. This simplifies the unary case to only
...
have to support the cast instruction, so the function is renamed to getCast.
llvm-svn: 3328
2002-08-14 18:24:09 +00:00
Chris Lattner
760f32d641
Fix bug introduced in last checkin due to CastInst not being visible
...
llvm-svn: 3327
2002-08-14 18:22:19 +00:00
Chris Lattner
980bf4b44d
Remove support for NOT instruction
...
llvm-svn: 3323
2002-08-14 18:18:02 +00:00
Chris Lattner
34a9a81756
Remove extra #includes
...
llvm-svn: 3322
2002-08-14 18:17:32 +00:00
Chris Lattner
c264beb7c5
Remove support for unary operators
...
llvm-svn: 3318
2002-08-14 17:53:45 +00:00
Chris Lattner
890adeb7a2
- Fix InstCombine pass to not generate or process NOT instructions
...
- Fixed testcases to not use them either.
llvm-svn: 3315
2002-08-14 17:51:49 +00:00
Chris Lattner
c8183d92e3
Remove support for NOT instruction
...
llvm-svn: 3313
2002-08-14 17:45:39 +00:00
Chris Lattner
b6a04772b5
- Rename ConstantGenericIntegral -> ConstantIntegral
...
llvm-svn: 3300
2002-08-13 17:50:24 +00:00
Chris Lattner
a6ba1b74ac
* Factor a bunch of code by using ReplaceInstUsesWith
...
* Move isMaxValue, isMinValue, isAllOnesValue to Constants.h
llvm-svn: 3290
2002-08-12 21:17:25 +00:00
Chris Lattner
0a51808266
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.
llvm-svn: 3286
2002-08-09 23:47:40 +00:00
Chris Lattner
62be99967a
Initial checkin of the "Hello World" Pass.
...
llvm-svn: 3266
2002-08-08 20:10:38 +00:00
Chris Lattner
a21e315db4
- Cleaned up the interface to AnalysisUsage to take analysis class names
...
instead of ::ID's.
- Pass::getAnalysis<> now no longer takes an optional argument
llvm-svn: 3265
2002-08-08 19:01:30 +00:00
Chris Lattner
91d4742562
- Cleaned up the interface to AnalysisUsage to take analysis class names
...
instead of ::ID's.
- Pass::getAnalysis<> now no longer takes an optional argument
llvm-svn: 3264
2002-08-08 19:01:28 +00:00
Chris Lattner
62fb7f0304
Remove extraneous #includes
...
llvm-svn: 3262
2002-08-08 19:00:34 +00:00
Vikram S. Adve
bbe47f2e7d
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().
llvm-svn: 3233
2002-08-03 13:21:15 +00:00
Chris Lattner
c840f0ec2a
Fix bug: test/Regression/Transforms/InstCombine/2002-08-02-CastTest.ll
...
Implement feature: Cast's can now be converted to bitwise AND expressions.
llvm-svn: 3225
2002-08-02 20:00:25 +00:00
Chris Lattner
5d9be21256
* 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.
llvm-svn: 3222
2002-08-02 19:29:35 +00:00
Chris Lattner
b55222222e
Fix bug: test/Regression/Transforms/GCSE/2002-05-21-NoSharedDominator.ll
...
llvm-svn: 3215
2002-08-02 18:06:01 +00:00
Chris Lattner
b630b06f0d
Remove unneccesary #inlcude
...
llvm-svn: 3200
2002-08-01 20:01:02 +00:00
Chris Lattner
b1792282eb
Implement the other half of a feature advertised by OperandConvertableToType.
...
This fixes bug: test/Regression/Transforms/LevelRaise/2002-07-31-AssertionFailure.ll
llvm-svn: 3193
2002-07-31 22:31:34 +00:00
Chris Lattner
f8ca791c68
* Indent class into anonymous namespace, filling up the diff with garbage
...
* Internalize global variables with initializers
* Add new stat to track global variable internalization
* Only count functions that were not internal before in internalized function
count
llvm-svn: 3163
2002-07-30 19:48:44 +00:00
Chris Lattner
12b9a2a7e6
Cleanup ConstantExpr handling:
...
* Correctly delete TypeHandles in AsmParser. In addition to not leaking
memory, this prevents a bug that could have occurred when a type got
resolved that the constexpr was using
* Check for errors in the AsmParser instead of hitting assertion failures
deep in the code
* Simplify the interface to the ConstantExpr class, removing unneccesary
parameters to the ::get* methods.
* Rename the 'getelementptr' version of ConstantExpr::get to
ConstantExpr::getGetElementPtr
llvm-svn: 3160
2002-07-30 18:54:22 +00:00
Chris Lattner
902619d2f1
Remove FIXME's that aren't really needed after all.
...
llvm-svn: 3158
2002-07-30 16:38:54 +00:00
Chris Lattner
4d05134df0
Fix bug with last patch which would occur when a call returned void and we
...
attempted to assign it a name.
llvm-svn: 3142
2002-07-30 02:42:49 +00:00
Chris Lattner
1980b35509
* Make sure the resolved function call instructions get the name from the
...
old call instruction
* Implement conversion of return values for calls. This fixes bug:
test/Regression/Transforms/FunctionResolve/retmismatch3.ll
llvm-svn: 3140
2002-07-30 00:50:49 +00:00
Chris Lattner
b9052f081a
* Fix bug: test/Regression/Transforms/ADCE/2002-07-17-AssertionFailure.ll
...
which was caused by us not running the "drop references of dead
instructions" code when there were no basic blocks that were dead.
We still don't want to do some of the stuff we do if there are dead
basic blocks, but we DO want to drop references of dead instructions,
so we factor the common code out to a new method.
llvm-svn: 3137
2002-07-30 00:22:34 +00:00
Chris Lattner
72b8a38a26
Add code to ensure that no PHI nodes are left laying around with their
...
arguments dropped. This fixes bug:
test/Regression/Transforms/ADCE/2002-07-17-PHIAssertion.ll
llvm-svn: 3134
2002-07-29 23:40:46 +00:00
Chris Lattner
078c1024c0
Implement a new RemoveSuccessor function
...
llvm-svn: 3131
2002-07-29 22:32:08 +00:00
Chris Lattner
5aef91b716
Fix bug: test/Regression/Transforms/ADCE/2002-07-29-Segfault.ll
...
llvm-svn: 3129
2002-07-29 22:31:39 +00:00
Chris Lattner
2f7ce877c5
Allow folding of basic blocks that have PHI nodes in them, fixing "bug":
...
test/Regression/Transforms/SimplifyCFG/2002-06-24-PHINode.ll
llvm-svn: 3128
2002-07-29 21:26:30 +00:00
Chris Lattner
ec2780457d
* Standardize how analysis results/passes as printed with the print() virtual
...
methods
* Eliminate AnalysisID: Now it is just a typedef for const PassInfo*
* Simplify how AnalysisID's are initialized
* Eliminate Analysis/Writer.cpp/.h: incorporate printing functionality into
the analyses themselves.
llvm-svn: 3116
2002-07-27 01:12:17 +00:00
Chris Lattner
3f47f1065b
* Standardize how analysis results/passes as printed with the print() virtual
...
methods
* Eliminate AnalysisID: Now it is just a typedef for const PassInfo*
* Simplify how AnalysisID's are initialized
* Eliminate Analysis/Writer.cpp/.h: incorporate printing functionality into
the analyses themselves.
llvm-svn: 3115
2002-07-27 01:12:15 +00:00
Chris Lattner
7a9eb848cd
* Add support for different "PassType's"
...
* Add new RegisterOpt/RegisterAnalysis templates for registering passes that
are to show up in opt or analyze
* Register Analyses now
* Change optimizations to use RegisterOpt instead of RegisterPass
* Add support for different "PassType's"
* Add new RegisterOpt/RegisterAnalysis templates for registering passes that
are to show up in opt or analyze
* Register Analyses now
* Change optimizations to use RegisterOpt instead of RegisterPass
* Remove getPassName implementations from various subclasses
llvm-svn: 3113
2002-07-26 21:12:46 +00:00
Chris Lattner
b934722f1b
* Add support for different "PassType's"
...
* Add new RegisterOpt/RegisterAnalysis templates for registering passes that
are to show up in opt or analyze
* Register Analyses now
* Change optimizations to use RegisterOpt instead of RegisterPass
* Add support for different "PassType's"
* Add new RegisterOpt/RegisterAnalysis templates for registering passes that
are to show up in opt or analyze
* Register Analyses now
* Change optimizations to use RegisterOpt instead of RegisterPass
* Remove getPassName implementations from various subclasses
llvm-svn: 3112
2002-07-26 21:12:44 +00:00
Chris Lattner
ec1a192b16
*** empty log message ***
...
llvm-svn: 3105
2002-07-26 18:40:14 +00:00
Chris Lattner
05fe67c0d2
*** empty log message ***
...
llvm-svn: 3075
2002-07-25 06:17:51 +00:00
Chris Lattner
0702eb18e6
*** empty log message ***
...
llvm-svn: 3072
2002-07-24 22:40:39 +00:00
Chris Lattner
4a9e674077
Eliminate several include/llvm/Transforms/IPO/*.h files, moving their contents into IPO.h
...
llvm-svn: 3043
2002-07-24 17:12:05 +00:00
Chris Lattner
921e366a5c
Merge ChangeAllocations into scalar.h
...
llvm-svn: 3038
2002-07-23 22:04:17 +00:00
Chris Lattner
176a67ce61
Rename header
...
llvm-svn: 3037
2002-07-23 22:04:02 +00:00
Chris Lattner
46077f4e0f
Cleanup and simplify code
...
llvm-svn: 3036
2002-07-23 22:03:41 +00:00
Chris Lattner
ac78173ee0
Incorporate ConstantMerge.h into IPO.h
...
llvm-svn: 3035
2002-07-23 19:57:40 +00:00
Chris Lattner
38adabd0a1
Rename LevelChange.h to RaisePointerReferences.h
...
llvm-svn: 3034
2002-07-23 19:57:08 +00:00
Chris Lattner
c482880f9e
*** empty log message ***
...
llvm-svn: 3016
2002-07-23 18:06:35 +00:00
Chris Lattner
606421d005
* Remove getPassName implementation
...
* Register all Passes
llvm-svn: 3015
2002-07-23 18:06:30 +00:00
Chris Lattner
17d972ce72
* Cleanup the pass a bit more, making it more object oriented.
...
* Split the two behaviors of the InsertTraceCode class into two subclasses
* Register Passes
llvm-svn: 3014
2002-07-23 18:04:15 +00:00
Chris Lattner
670d7d06fe
* Break the two different behaviors of SimpleStructMutation into two subclasses
...
* Register the passes
llvm-svn: 3013
2002-07-23 18:03:11 +00:00
Chris Lattner
b059058c80
* Make the ctor take a TargetData even though it's not using it yet
...
* Register the pass
llvm-svn: 3012
2002-07-23 18:02:23 +00:00
Chris Lattner
bdb978fa79
* Remove lots of dead stuff
...
* Register Pass
llvm-svn: 3011
2002-07-23 18:01:39 +00:00
Chris Lattner
24bcbdd155
*** empty log message ***
...
llvm-svn: 3002
2002-07-23 17:52:38 +00:00
Chris Lattner
4d05cb01b1
Hide extra argument
...
llvm-svn: 2986
2002-07-22 02:17:27 +00:00
Chris Lattner
99ad379582
*** empty log message ***
...
llvm-svn: 2985
2002-07-22 02:10:13 +00:00
Anand Shukla
60f4c16199
comeented out debug printing
...
llvm-svn: 2980
2002-07-21 09:41:18 +00:00
Anand Shukla
4c822342bf
minor corrections
...
llvm-svn: 2971
2002-07-18 20:56:47 +00:00
Chris Lattner
c459d57fe3
Seperate stats for DCE'd functions and vars
...
llvm-svn: 2961
2002-07-18 06:40:04 +00:00
Chris Lattner
13b8b7c8fe
*** empty log message ***
...
llvm-svn: 2959
2002-07-18 04:43:20 +00:00
Chris Lattner
1abd637044
Only functions with external linkage can be resolved to function declarations.
...
This change fixes programs that have multiple functions named the same thing,
where are least one of them is static/internal.
llvm-svn: 2954
2002-07-18 03:01:24 +00:00
Chris Lattner
d703fa0041
* Rewrite loop to be slightly more efficient (arguably)
...
* Fix a MAJOR thinko that was causing bad links to happen on Spec
llvm-svn: 2953
2002-07-18 02:31:03 +00:00
Chris Lattner
3710b0d6d1
* Correctly get prototype for void*malloc(size_t)
...
llvm-svn: 2951
2002-07-18 00:18:01 +00:00
Chris Lattner
b121676038
Implement linking of ConstExprs
...
llvm-svn: 2946
2002-07-18 00:13:08 +00:00
Chris Lattner
d842f9ff2d
Anand forgot to check in the makefile corresponding to his previous change
...
which eliminated the EmitFunctions directory
llvm-svn: 2937
2002-07-17 17:13:01 +00:00
Chris Lattner
20c6eeb1e2
* Remove dead code from ExprTypeConvert.cpp
...
- I->use_empty() can never be true because of the IHolder's
* Fix bug: test/Regression/Transforms/LevelRaise/2002-07-16-SourceAndDestCrash.ll
- Add a new NewCasts member to VMC to keep track of casts that have been
created and to ensure there is always a reference to the cast.
- Extend ValueHandle a bit so it can be used in an STL container
- Make sure we destroy the ValueMapCache before verifying the function
in LevelRaise.cpp
llvm-svn: 2936
2002-07-17 17:11:33 +00:00
Chris Lattner
85a9f9c4b3
* Add a bunch of debugging features to LevelRaise
...
- Verify the function every time it is exprconverted if DEBUG is on
- Provide a way to start exprconversion AT a specific instruction.
llvm-svn: 2934
2002-07-16 23:49:24 +00:00
Chris Lattner
ee9a9d8017
Avoid !sized assertion failure if Ty is not a sized type
...
llvm-svn: 2933
2002-07-16 22:29:37 +00:00
Chris Lattner
a221573dba
Fix bug: test/Regression/Transforms/LevelRaise/2002-07-16-RaiseCrash2.ll
...
llvm-svn: 2932
2002-07-16 21:41:31 +00:00
Anand Shukla
4bb7a17266
Moved over EmitFunctions to this library
...
llvm-svn: 2928
2002-07-16 18:58:08 +00:00
Anand Shukla
4da4e0ba0a
removed this directory
...
llvm-svn: 2927
2002-07-16 18:56:29 +00:00
Anand Shukla
03970aa8bf
Moved EmitFunctions.cpp up to instrumentation directory
...
llvm-svn: 2926
2002-07-16 18:55:55 +00:00
Chris Lattner
22958b2e75
Bugfix to previous checkin
...
llvm-svn: 2924
2002-07-16 18:12:55 +00:00
Chris Lattner
0be1cc0f00
* Cleanup pass
...
* The global variable cannot be internal or else we cannot use it!
* Always add a function to the table, even if it only has a single basic
block.
llvm-svn: 2921
2002-07-16 17:42:54 +00:00
Chris Lattner
43cfac7e68
* Add assertion to ExprTypeConvert to detect error earlier than without it
...
* Fix bug in LevelRaise.cpp, correcting this problem:
test/Regression/Transforms/LevelRaise/2002-07-16-RaiseCrash.ll
llvm-svn: 2920
2002-07-16 17:33:13 +00:00
Anand Shukla
a10f139779
Added EmitFunctions directory
...
llvm-svn: 2883
2002-07-12 20:12:07 +00:00
Anand Shukla
d4dae682bc
Initial makefile
...
llvm-svn: 2882
2002-07-12 20:11:24 +00:00
Anand Shukla
edba9ad8a9
Initial version: adds a function table to output code
...
llvm-svn: 2881
2002-07-12 20:10:50 +00:00
Chris Lattner
83577a047e
Disable folding g-e-p instructions into loads and stores.
...
llvm-svn: 2870
2002-07-10 22:37:17 +00:00
Chris Lattner
a6842aa353
Disable pool allocation stuff until data structure analysis is sorted back out
...
llvm-svn: 2869
2002-07-10 22:36:47 +00:00
Vikram S. Adve
c98bc8cd5e
Fix iteration and InsertPos bugs introduced when Chris changed over to ilist.
...
llvm-svn: 2840
2002-07-08 23:37:07 +00:00
Anand Shukla
43bbde3f76
changes BBsorting and oredering
...
llvm-svn: 2817
2002-07-08 19:37:06 +00:00
Anand Shukla
9d38b4b511
small corrections
...
llvm-svn: 2816
2002-07-08 19:36:39 +00:00
Anand Shukla
a5c08b7973
changed function numbering
...
llvm-svn: 2815
2002-07-08 19:36:01 +00:00
Chris Lattner
a590093513
*** empty log message ***
...
llvm-svn: 2813
2002-06-30 16:25:25 +00:00
Chris Lattner
63f4011a0c
Clean up anands patch
...
llvm-svn: 2812
2002-06-30 16:25:21 +00:00
Anand Shukla
3ab9ffd5b1
changes to make it compatible with 64bit gcc
...
llvm-svn: 2795
2002-06-25 21:18:19 +00:00
Anand Shukla
25f890e009
additions and bug fixes
...
llvm-svn: 2794
2002-06-25 21:14:58 +00:00
Anand Shukla
0908af95f6
added include<iostream> for cerr
...
llvm-svn: 2793
2002-06-25 21:12:25 +00:00
Anand Shukla
85065832f1
changes to make it compatible with 64bit gcc
...
llvm-svn: 2792
2002-06-25 21:07:58 +00:00
Anand Shukla
ee7ed50bb4
changes to make it compatible with 64bit gcc
...
llvm-svn: 2791
2002-06-25 20:55:50 +00:00
Chris Lattner
dfd421a7df
MEGAPATCH checkin.
...
For details, See: docs/2002-06-25-MegaPatchInfo.txt
llvm-svn: 2779
2002-06-25 16:13:24 +00:00
Chris Lattner
d7cbd7d5d2
MEGAPATCH checkin.
...
For details, See: docs/2002-06-25-MegaPatchInfo.txt
llvm-svn: 2778
2002-06-25 16:13:21 +00:00
Chris Lattner
cee706572b
*** empty log message ***
...
llvm-svn: 2777
2002-06-25 16:12:52 +00:00
Chris Lattner
8e1476c302
Remove DynamicConstantMerge pass, because it did not fit in with the Pass
...
system correctly.
llvm-svn: 2772
2002-06-25 15:55:29 +00:00
Chris Lattner
ef6daeb534
Remove "fixers" for problems in GCC generated code that cannot be generated
...
anymore.
llvm-svn: 2771
2002-06-25 15:55:03 +00:00
Anand Shukla
92dcd43312
Relocating Graph.h
...
llvm-svn: 2770
2002-06-25 14:28:55 +00:00
Chris Lattner
779f966ce5
Avoid deleting individual instructions until AFTER dead blocks have dropped
...
their references. This fixes bug:
test/Regression/Transforms/ADCE/2002-05-28-Crash*.ll
llvm-svn: 2753
2002-05-28 21:38:16 +00:00
Chris Lattner
b95dde758a
Simplify the interface to local DCE and Constant prop
...
llvm-svn: 2749
2002-05-26 20:18:18 +00:00
Chris Lattner
3611a1e91c
Do not remove type names that contain a .
...
llvm-svn: 2747
2002-05-26 20:17:35 +00:00
Chris Lattner
d98e784be4
Fix "unimplemented features":
...
test/Regression/Transforms/FunctionResolve/retmismatch[12].ll
This makes it much more useful for running benchmarks that are missing
prototypes for some functions.
llvm-svn: 2745
2002-05-24 21:33:26 +00:00
Chris Lattner
5dc1524174
Split the FunctionResolution pass out of CleanGCCOutput.cpp.
...
llvm-svn: 2742
2002-05-24 20:42:13 +00:00
Chris Lattner
4c766269b7
Fix comments to reflect reality
...
llvm-svn: 2741
2002-05-24 20:41:51 +00:00
Chris Lattner
e69803b06f
Support programs that do not #include <malloc.h> or give a full prototype
...
for malloc and free. Lots of crufty benchmarks are using stuff like:
char *malloc();
void free();
to forward declare malloc and free. Now we recognize and raise these forms
llvm-svn: 2740
2002-05-24 20:29:18 +00:00
Chris Lattner
9dde5c9df7
Fold add X, 0 for floating point types as well
...
llvm-svn: 2734
2002-05-23 17:11:38 +00:00
Chris Lattner
76bf940554
Convert code to use the DEBUG macro so that debug code can simply be
...
enabled with the -debug command line option.
llvm-svn: 2721
2002-05-22 21:56:32 +00:00
Chris Lattner
1f66858791
Fix and implement ADCE to finally work!
...
llvm-svn: 2720
2002-05-22 21:32:16 +00:00
Chris Lattner
d406cb7c9d
Convert transforms over to standardize debugging output on -debug option
...
llvm-svn: 2714
2002-05-22 17:27:12 +00:00
Chris Lattner
1f2723a2c9
Use the new DEBUG(x) macro to allow debugging code to be enabled on the commandline
...
llvm-svn: 2713
2002-05-22 17:17:27 +00:00
Chris Lattner
245c8615e4
Fix bug: test/Regression/Transforms/SCCP/2002-05-21-InvalidSimplify.ll
...
Improperly handling edges... by not marking them alive properly
llvm-svn: 2707
2002-05-22 16:07:20 +00:00
Chris Lattner
e7ce749d63
Add implementation of SimplifyCFG
...
llvm-svn: 2701
2002-05-21 20:50:24 +00:00
Chris Lattner
bb7416fa7f
New CFG Simplification pass: removed from the old DCE pass
...
llvm-svn: 2700
2002-05-21 20:49:37 +00:00
Chris Lattner
4b29ff417d
Simplify interface to ConstantFoldTerminator
...
llvm-svn: 2697
2002-05-21 20:04:50 +00:00
Chris Lattner
c7e2f5bbd7
* Change commandline options a bit to be nicer
...
* Insert accurate prototypes for functions
* Insert casts to use accurate prototypes
llvm-svn: 2677
2002-05-20 21:43:59 +00:00
Chris Lattner
c3d944c4f7
Fix bug: test/Regression/Transforms/SCCP/2002-05-20-MissedIncomingValue.ll
...
That was causing a miscompilation of strtol/atoi plus others
llvm-svn: 2669
2002-05-20 20:48:03 +00:00
Vikram S. Adve
c0db1765f4
Hash pointer values to a sequence number to get identical results from
...
lli and llc. This is controlled with options -tracehash on|off.
Also, added an option to specify which functions should be traced.
Particularly useful to reduce output volume in basic-block tracing.
llvm-svn: 2646
2002-05-19 15:39:02 +00:00
Chris Lattner
a524df6d1d
* Make debug output conditional on #define
...
* Add optimization to rank computation to not recursively search when
unneccesary.
* More agressively negate expressions to open reassociation opportunities.
* Linearize (A+B)+(C+D) into ((A+B)+C)+D
llvm-svn: 2637
2002-05-16 04:37:07 +00:00
Chris Lattner
fc21b26332
* Fix bug: test/Regression/Transforms/GCSE/2002-05-14-OperandSwap.ll
...
By making sure to consider binary expressions identical if their operands
are backwards, but swappable.
llvm-svn: 2629
2002-05-14 19:57:25 +00:00
Chris Lattner
8106c7a841
Fix bug: test/Regression/Transforms/InstCombine/2002-05-14-SubFailure.ll
...
llvm-svn: 2627
2002-05-14 16:44:07 +00:00
Chris Lattner
0ee0c26f4e
Fix bug: test/Regression/Transforms/InstCombine/2002-05-14-TouchDeletedInst.ll
...
"This testcase caused instcombine to fail because it got the same instruction on
it's worklist more than once (which is ok), but then deleted the instruction.
Since the inst stayed on the worklist, as soon as it came back up to be
processed, bad things happened, and opt asserted."
llvm-svn: 2623
2002-05-14 15:24:07 +00:00
Chris Lattner
f98fefc1ea
Fix a major source of "type unsafety", where a cast is neccesary, but can
...
be put either before or after a load. We chose to cast the value loaded
instead of the pointer to load from.
Fixes bug: test/Regression/Transforms/LevelRaise/2002-05-10-LoadPeephole.ll
llvm-svn: 2621
2002-05-14 05:23:45 +00:00
Chris Lattner
b7688286c1
Implement elimination of loads
...
llvm-svn: 2620
2002-05-14 05:02:40 +00:00
Chris Lattner
fc14cb90a2
Trivial cleanups
...
llvm-svn: 2617
2002-05-13 22:04:46 +00:00
Chris Lattner
1b769f2a94
Initial checkin of LICM pass
...
llvm-svn: 2615
2002-05-10 22:44:58 +00:00
Chris Lattner
adba963886
Add support for printing out statistics information when -stats is added to
...
the command line
llvm-svn: 2601
2002-05-10 15:38:35 +00:00
Chris Lattner
1bf8912c74
Fix some bugs, straighten stuff out, more work needs to be done.
...
llvm-svn: 2600
2002-05-10 15:37:35 +00:00
Chris Lattner
0671b3db5d
* Add support for the -stats command line option to report how much is changed
...
* Make cast-of-self-ty DCE the dead cast instruction immediately instead of
waiting for it to be DCE'd by another sweep over the function. This speeds
this up noticably.
llvm-svn: 2597
2002-05-10 15:29:25 +00:00
Chris Lattner
2d91be1ab7
Initial checkin of the PiNodeInsertion pass
...
llvm-svn: 2593
2002-05-10 05:41:34 +00:00
Chris Lattner
cd326f096f
Handle setcc <global*>, 0 instructions, Global pointers are never null!
...
llvm-svn: 2582
2002-05-09 20:11:54 +00:00
Chris Lattner
9de1aeb91c
Give the longer name to the instruction that will probably be eliminated later
...
llvm-svn: 2581
2002-05-09 20:11:23 +00:00
Chris Lattner
172488eb68
Add ability to transform (x - (y - z)) into (x + (z - y))
...
llvm-svn: 2566
2002-05-09 01:29:19 +00:00
Chris Lattner
34d5891f0a
* Combine: A-(-B) -> A + B
...
* Bugfix: A + -B and -A + B
llvm-svn: 2561
2002-05-08 22:46:53 +00:00
Chris Lattner
c38d2de2b5
Initial checkin of expression reassociation pass
...
llvm-svn: 2559
2002-05-08 22:19:27 +00:00
Chris Lattner
ce6632281f
Give the unified exit node a name
...
llvm-svn: 2550
2002-05-07 22:14:45 +00:00
Chris Lattner
bbd8a94a9b
Fix bug: test/Regression/Transforms/ADCE/2002-01-31-UseStuckAround.ll
...
Cleanup code a lot
llvm-svn: 2547
2002-05-07 22:11:39 +00:00
Chris Lattner
2a43c7c03d
Merge all individual .h files into a single Scalar.h file
...
llvm-svn: 2537
2002-05-07 20:03:00 +00:00
Chris Lattner
e615c275c5
This doesn't use DCE!
...
llvm-svn: 2536
2002-05-07 20:02:44 +00:00
Chris Lattner
f7806b0212
Move UnifyFunctionExitNodes to Utils library: final resting place this time
...
llvm-svn: 2531
2002-05-07 19:18:48 +00:00
Chris Lattner
276dd3d721
fix comments and documentation in file
...
llvm-svn: 2530
2002-05-07 19:04:39 +00:00
Chris Lattner
e125e808a8
Split ChangeAllocations.cpp into Raise & LowerAllocations.cpp
...
llvm-svn: 2529
2002-05-07 19:02:48 +00:00
Chris Lattner
6ccbd5804a
Cleanup implementation a bit
...
llvm-svn: 2526
2002-05-07 18:51:25 +00:00
Chris Lattner
9e1c79995e
Updates to move some header files out of include/llvm/Transforms into
...
the Scalar and Utils subdirectories
llvm-svn: 2523
2002-05-07 18:36:35 +00:00
Chris Lattner
c5a6d978b8
Reduce dependance on TransformInternals.h, instead using the TransformUtils library
...
llvm-svn: 2518
2002-05-07 18:12:18 +00:00
Chris Lattner
a35a291f7b
Add #include no longer included by llvm/Transforms/Scalar/ConstantProp.h
...
llvm-svn: 2517
2002-05-07 18:11:30 +00:00
Chris Lattner
c099f62190
Factor code out to the TransformUtils library
...
llvm-svn: 2516
2002-05-07 18:10:55 +00:00
Chris Lattner
7b20305ef9
Factor code out of TransformInternals into the Transform Utils library
...
llvm-svn: 2515
2002-05-07 18:09:15 +00:00
Chris Lattner
e817245564
Build Transforms Utils library
...
llvm-svn: 2514
2002-05-07 18:08:50 +00:00
Chris Lattner
d5477af051
Add code pulled out of TransformInternals.cpp, ConstProp.cpp, and DCE.cpp
...
llvm-svn: 2513
2002-05-07 18:07:59 +00:00
Chris Lattner
394781b660
* Convert InstWorkList to vector instead of set, because on big programs it
...
is empirically faster by a noticable margin, even though duplicates can
happen.
llvm-svn: 2511
2002-05-07 04:29:32 +00:00
Chris Lattner
4a830e1a4a
* Remove all cfg simplification stuff for a new cfg simplify pass (todo)
...
* Convert to worklist instead of iterative algorithm
llvm-svn: 2510
2002-05-07 04:24:11 +00:00
Chris Lattner
ca538273d4
Only do masking for unsigned values!
...
llvm-svn: 2504
2002-05-06 18:54:59 +00:00
Chris Lattner
66ff017174
* Eliminate dead code that should have been removed in last revision
...
* Convert main constant propogation pass to be worklist driven instead of
iterative.
* -constprop pass no longer "constant propogates" terminator instructions
- CFG is now preserved!
llvm-svn: 2502
2002-05-06 18:21:31 +00:00
Chris Lattner
24ebec1273
Handle X = phi Y --> X = Y
...
llvm-svn: 2501
2002-05-06 18:06:38 +00:00
Chris Lattner
910ca80941
* Use simplified interface to constant propogation stuff.
...
* Remove dead PHI case (which could not work due to getNumOperands rather than
getNumIncomingValues. This really belongs in InstCombine, anyway so we'll
move it there.
llvm-svn: 2497
2002-05-06 17:54:10 +00:00
Chris Lattner
b40c1bf6f7
Clean up ADCE by removing extraneous wrapper class
...
llvm-svn: 2494
2002-05-06 17:27:57 +00:00
Chris Lattner
c5279917bc
Combine not (not X) -> X
...
llvm-svn: 2493
2002-05-06 17:03:21 +00:00
Chris Lattner
24a94a50d8
Support more cases...
...
llvm-svn: 2490
2002-05-06 16:49:18 +00:00
Chris Lattner
24ebdf3f74
Add many more instruction combination simplifications
...
llvm-svn: 2484
2002-05-06 16:14:14 +00:00
Chris Lattner
ef7f8fc474
Merge blocks like this:
...
void "test3"(bool %T) {
br bool %T, label %BB1, label %BB1
BB1:
ret void
}
llvm-svn: 2472
2002-05-06 03:02:02 +00:00
Chris Lattner
d12eac0b1b
Implement constant propogation of shift instructions
...
llvm-svn: 2471
2002-05-06 03:01:37 +00:00
Chris Lattner
9606fd4830
Ok, really it only takes me 3 times to get this right!
...
Now use #if 0 instead of #ifdef 0
llvm-svn: 2448
2002-05-02 21:49:50 +00:00
Chris Lattner
de442f70ac
Oops, disable debugging code all the way. :)
...
llvm-svn: 2447
2002-05-02 21:47:40 +00:00
Chris Lattner
7d4f3ed1f2
* Finish the implementation of isEdgeFeasible this fixes bug:
...
test/Regression/Transforms/SCCP/2002-05-02-EdgeFailure.ll
* SCCP now preserves the CFG: It leaves conditional branches the way they
are in the program, not simplifying them. A seperate pass should eliminate
the potentially dead basic blocks and edges in the CFG.
llvm-svn: 2446
2002-05-02 21:44:00 +00:00
Chris Lattner
b30088a50d
* Enable SCCP debugging to be turned on with a simple change of #define
...
* Change worklist to a set so that duplicates cannot happen
* Add support for the invoke instruction
* Avoid marking store and free instructions as overdefined, since they
cannot produce a value anyway.
* Inline the OperandChangedState implementation
* Add isEdgeFeasible in preparation to fix a bug. Right now it behaves
exactly as before.
* Remove obsolete comment about constant pools
llvm-svn: 2445
2002-05-02 21:18:01 +00:00
Chris Lattner
28a8acc476
* Simplify the code by not bothering to name the folded constant
...
* Do not skip the instruction immediately after a folded instruction. This
was causing the testcase failure:
test/Regression/Transforms/SCCP/2002-05-02-MissSecondInst.ll
llvm-svn: 2443
2002-05-02 20:32:51 +00:00
Chris Lattner
6212dd5c08
ExprTypeConvert will already do this transformation, no need to specialize
...
it here.
llvm-svn: 2431
2002-05-02 17:38:55 +00:00
Chris Lattner
2c44e5bca3
Be a little more efficient, do not generate loads and stores with indices in them.
...
llvm-svn: 2430
2002-05-02 17:38:14 +00:00
Chris Lattner
66f5b12141
Fix bug: test/Regression/Transforms/LevelRaise/2002-05-02-BadCastElimination.ll
...
llvm-svn: 2429
2002-05-02 17:37:34 +00:00
Chris Lattner
b7df910c1a
* Add ability to eliminate a bunch of different cascading cast variations
...
* Allow elimination of getelementptr X, uint 0 (which is a noop)
llvm-svn: 2428
2002-05-02 17:06:02 +00:00
Chris Lattner
8a6104c3cb
Fixed bug: test/Regression/Transforms/Mem2Reg/2002-05-01-ShouldNotPromoteThisAlloca.ll
...
llvm-svn: 2423
2002-05-01 15:38:23 +00:00
Chris Lattner
5879b0928b
Remove unneccesary pass
...
llvm-svn: 2420
2002-04-30 20:52:49 +00:00
Chris Lattner
a6cb49c533
Add folding rules for mul X, 0 and mul X, 2
...
llvm-svn: 2417
2002-04-29 22:24:47 +00:00
Chris Lattner
5d1ac4dbc9
Significantly clean up SCCP pass. Now the two classes are merged and in
...
an anonymous namespace where they belong.
llvm-svn: 2415
2002-04-29 21:26:08 +00:00
Chris Lattner
48e73edf57
Range insertion now returns an iterator
...
llvm-svn: 2414
2002-04-29 21:25:34 +00:00
Chris Lattner
5d17e49ad5
Remove unused files: This is the old induction varaible cannonicalization
...
pass built on top of interval analysis
llvm-svn: 2411
2002-04-29 20:18:00 +00:00
Chris Lattner
4968cc38aa
Fix for problem when allocating something like this:
...
malloc(100-i);
llvm-svn: 2409
2002-04-29 20:09:21 +00:00
Chris Lattner
f5d07697e6
changes because iMemory.h no longer #includes DerivedTypes.h
...
This only requires Type.h anyway
llvm-svn: 2405
2002-04-29 18:48:30 +00:00
Chris Lattner
cfc512e714
Eliminate dead global variables
...
llvm-svn: 2400
2002-04-29 18:13:11 +00:00
Chris Lattner
96e0c48175
Eliminate duplicate or unneccesary #include's
...
llvm-svn: 2397
2002-04-29 17:42:12 +00:00
Chris Lattner
3909059b6a
Remove broken assertion.
...
llvm-svn: 2396
2002-04-29 16:20:25 +00:00
Chris Lattner
589debc4ba
Add new optional getPassName() virtual function that a Pass can override
...
to make debugging output a lot nicer.
llvm-svn: 2395
2002-04-29 14:57:45 +00:00
Chris Lattner
56828a18c4
More cleanups
...
llvm-svn: 2392
2002-04-29 01:58:47 +00:00
Chris Lattner
a8688d69c5
Code cleanups
...
llvm-svn: 2391
2002-04-29 01:22:55 +00:00
Chris Lattner
ec70d92221
Tighten up the AnalysisUsage of lots of passes, primarily to correctly indicate whether or not they invalidate the CFGA
...
llvm-svn: 2386
2002-04-28 21:27:06 +00:00
Chris Lattner
321a8cf4ba
Split ConstantVals.h into Constant.h and Constants.h
...
llvm-svn: 2378
2002-04-28 19:55:58 +00:00
Chris Lattner
50a089867d
Eliminate the PromoteInstance class, incorporating it into the PromotePass
...
class.
llvm-svn: 2375
2002-04-28 19:12:38 +00:00
Chris Lattner
b8ade8715e
Eliminate visited, CurrentValue, and WriteSets as instance variables of
...
PromoteInstance. Make them local variables that are passed around as
appropriate. Especially in the case of CurrentValue, this makes the
code simpler.
llvm-svn: 2374
2002-04-28 18:54:01 +00:00
Chris Lattner
1d9e63dca0
* Fix bug: test/Regression/Transforms/Mem2Reg/2002-03-28-UninitializedVal.ll
...
* Minor cleanup that was missed in last patch
llvm-svn: 2373
2002-04-28 18:39:46 +00:00
Chris Lattner
246083577b
This huge changeset is a strictly cleanup change
...
Bugfixes will come in the next revision so that the diff is obvious.
llvm-svn: 2372
2002-04-28 18:27:55 +00:00
Chris Lattner
07fe96ca98
Eliminate the cfg namespace, moving LoopInfo, Dominators, Interval* classes
...
to the global namespace
llvm-svn: 2370
2002-04-28 16:21:30 +00:00
Chris Lattner
e5d8bd9baf
Be careful not to make "external" function internal
...
llvm-svn: 2363
2002-04-28 05:48:34 +00:00
Chris Lattner
23e713d49d
Initial checkin of new "Internalize" pass for GCCLD
...
llvm-svn: 2362
2002-04-28 05:43:27 +00:00
Chris Lattner
0bd57e6e99
Initial checkin of simple&fast SSA based GCSE algorithm
...
llvm-svn: 2338
2002-04-28 00:47:11 +00:00
Chris Lattner
741453dd60
Change the Dominator info and LoopInfo classes to keep track of BasicBlock's, not
...
const BasicBlocks
llvm-svn: 2337
2002-04-28 00:15:57 +00:00
Chris Lattner
2f0ee1833d
s/Method/Function
...
llvm-svn: 2336
2002-04-27 07:27:19 +00:00
Chris Lattner
536cf1b13f
* Rename MethodPass class to FunctionPass
...
- Rename runOnMethod to runOnFunction
* Transform getAnalysisUsageInfo into getAnalysisUsage
- Method is now const
- It now takes one AnalysisUsage object to fill in instead of 3 vectors
to fill in
- Pass's now specify which other passes they _preserve_ not which ones
they modify (be conservative!)
- A pass can specify that it preserves all analyses (because it never
modifies the underlying program)
* s/Method/Function/g in other random places as well
llvm-svn: 2333
2002-04-27 06:56:12 +00:00
Chris Lattner
0c04e4d1ef
Changes because the Terminator::getSuccessor function now FAILS if successor
...
IDX is out of range instead of returning null.
llvm-svn: 2332
2002-04-27 03:15:45 +00:00
Chris Lattner
1e7147c9e9
* Change Constant::getNullConstant to Constant::getNullValue
...
* Add support for pool allocating array allocations of varying size
llvm-svn: 2329
2002-04-27 02:29:32 +00:00
Chris Lattner
078d292f4c
Change Constant::getNullConstant to Constant::getNullValue
...
llvm-svn: 2323
2002-04-27 02:25:14 +00:00
Chris Lattner
039edb92f3
Programs that actually free memory were broken
...
llvm-svn: 2307
2002-04-18 22:11:30 +00:00
Chris Lattner
8e2b6edf87
Add a fixme so that we don't forget this is broken.
...
llvm-svn: 2298
2002-04-18 18:52:03 +00:00
Chris Lattner
a392a80a60
Significantly rework InstructionCombining to work better and to be cleaner.
...
We now use an InstVisitor to delegate to different cases that we are
interested in handling. We also fix the FIXME's by adding users to the
worklist when appropriate.
llvm-svn: 2292
2002-04-18 17:39:14 +00:00
Chris Lattner
bb60c83409
Convert SCCP over to use InstVisitor instead of hand crafted switch
...
llvm-svn: 2286
2002-04-18 15:13:15 +00:00
Chris Lattner
b736829547
GEP instructions can never be constant propogated.
...
llvm-svn: 2284
2002-04-18 14:44:13 +00:00
Chris Lattner
5e7d6d8066
Store instructions always return void, so they never get a name
...
llvm-svn: 2283
2002-04-18 14:43:54 +00:00
Chris Lattner
eee0e3f1f7
Correctly transform dependant arguments, allowing the perimeter bm to work.
...
llvm-svn: 2282
2002-04-18 14:43:30 +00:00
Chris Lattner
04437c9749
Add casts for documentation
...
llvm-svn: 2272
2002-04-16 22:10:52 +00:00
Chris Lattner
68c032623c
* Clean up the code a bit
...
* Allow structs with negative offsets. This enables the em3d benchmark to
be made typesafe. In this case, the struct had an array as the first
element, so a negative index was ok (the expr was -8 + 8x)
llvm-svn: 2271
2002-04-16 22:10:36 +00:00
Chris Lattner
c004e8f534
run an extra pass after a function has been transformed to eliminate
...
obviously duplicate loads of the pool base.
llvm-svn: 2255
2002-04-15 22:42:23 +00:00
Chris Lattner
1923a5cfaa
Eliminate cast of same type instructions.
...
llvm-svn: 2251
2002-04-15 19:45:29 +00:00
Chris Lattner
2e20403fad
* s/Method/Function
...
* Fix bug where the character after a % was being discarded
llvm-svn: 2248
2002-04-14 06:15:24 +00:00
Chris Lattner
983272ba58
Turn off debug output
...
llvm-svn: 2247
2002-04-14 06:14:41 +00:00
Chris Lattner
3b7f72e4e4
* Allow datasize to be specified on the commandline
...
* Build new datatypes correctly
* Transform instructions that return null pointers from functions to return
a null index.
llvm-svn: 2244
2002-04-13 23:13:18 +00:00
Chris Lattner
47b17915d5
* Give alloca's for pool descriptors better names than "pool<n>".
...
* Fill in the pool descriptor links in the pool descriptors.
llvm-svn: 2239
2002-04-13 19:52:54 +00:00
Chris Lattner
249f5243f1
* Add names to the symbol table for pool types and modified types
...
* Handle more complex structure so that power works almost
* Fix bug with pooldestroy call where we passed in the size of the object
instead of the pool to destroy. bisort is now pool allocated successfully!
llvm-svn: 2238
2002-04-13 19:25:57 +00:00
Chris Lattner
24f4497fe9
Implement function rewriting to use offsets instead of pointers in programs.
...
This now works with treeadd at least, and perhaps other programs as well.
llvm-svn: 2233
2002-04-12 20:23:15 +00:00
Chris Lattner
3b04124abd
* Add documentation
...
* Split the CleanGCC pass into two passes, a global pass and an IP pass.
Before it was just a global pass, but it did illegal things to the
module, which broke other passes that were being scheduled with it by
gccld.
llvm-svn: 2224
2002-04-10 20:33:11 +00:00
Chris Lattner
150fc89dcd
Implement TODO, fixing bug:
...
test/Regression/Transforms/LevelRaise/2002-04-09-MissedRaise.ll
llvm-svn: 2219
2002-04-09 20:53:36 +00:00
Chris Lattner
5e12c7caf5
Move FunctionArgument out of iOther.h into Argument.h and rename class to
...
be 'Argument' instead of FunctionArgument.
llvm-svn: 2216
2002-04-09 19:48:49 +00:00
Chris Lattner
b2038512b2
Add explicit #includes of Function.h to make up for the removed #include
...
in iOther.h
llvm-svn: 2209
2002-04-09 19:08:28 +00:00
Chris Lattner
7ae20d642d
Add #includes to make up for #includes pruned out of header files.
...
llvm-svn: 2207
2002-04-09 18:37:46 +00:00
Chris Lattner
31e5838296
s/Method/Function
...
Remove extraneous #includes of llvm/Assembly/Writer
llvm-svn: 2178
2002-04-08 22:03:00 +00:00
Chris Lattner
44f14449c4
ConstantHandling moved into VMCore library
...
llvm-svn: 2165
2002-04-08 20:18:09 +00:00
Chris Lattner
0cfa70b083
Eliminate explicit use of Writer library, using debug dump output instead.
...
llvm-svn: 2147
2002-04-07 22:31:23 +00:00
Chris Lattner
bc15ae64dd
Change references to the Method class to be references to the Function
...
class. The Method class is obsolete (renamed) and all references to it
are being converted over to Function.
llvm-svn: 2144
2002-04-07 20:49:59 +00:00
Chris Lattner
8afff0c29a
s/MethodType/FunctionType
...
llvm-svn: 2115
2002-04-04 22:19:18 +00:00
Chris Lattner
1ee6bf5249
PATypeHolder is now not a template
...
llvm-svn: 2106
2002-04-04 19:24:34 +00:00
Chris Lattner
2e3a4dece6
Allow scalars that point to multiple nodes when building the scalar map.
...
llvm-svn: 2087
2002-04-01 01:26:53 +00:00
Chris Lattner
99da111daf
Add extra case here to avoid getting spurious output
...
llvm-svn: 2086
2002-04-01 00:45:33 +00:00
Chris Lattner
c620b825b6
Add debug output
...
llvm-svn: 2066
2002-03-31 07:17:46 +00:00
Chris Lattner
4c4a273f43
* Catch and ignore (for now) return instructions in tranformed functions
...
* Add more debugging output
* Fix problems refering to wrong versions of various graphs
* Build the pool descriptor map!
* Clear the nodemapping map after building pool descriptor to avoid assert
* Transform the NEw function body, not the old one...
* Matrix.ll now works!
llvm-svn: 2058
2002-03-30 20:53:14 +00:00
Chris Lattner
410c6394d3
* Clean up data structures [AllocDSNode -> DSNode]
...
* TransformFunctionInfo now has call field form field mapping. May be
removed in the future.
* Moved the computation of "Scalars" into transformFunctionBody so
transformFunction didn't have to recompute it.
* Implement the node mapping calculation in preparation to calculate
PoolDescriptors to pass to transformFunctionBody
* Print out the node mapping [it looks right!]
* Other minor changes
llvm-svn: 2056
2002-03-30 09:12:35 +00:00
Chris Lattner
36d50d01ab
Maintain enough information so that the pools for all of the nodes of
...
the graph can be passed around.
llvm-svn: 2053
2002-03-30 04:02:31 +00:00
Chris Lattner
a4b9a9f573
Implement the first batch of transformations to the methods. So far it:
...
* Converts malloc instructions to poolalloc
* Converts free instructions to poolfree
* Convert calls to call the new cloned hacked up versions
Note that this does not modify hacked up stuff yet, just the top level
function
llvm-svn: 2052
2002-03-29 21:25:19 +00:00
Chris Lattner
9166ac0b3f
Correctly clone the function with the extra argument types. Now we need
...
to modify the function next.
This also properly recycles functions so that we don't get exponential
code blowup in the common case.
llvm-svn: 2049
2002-03-29 19:05:48 +00:00
Chris Lattner
b6b7c3fe60
s/Method/Function
...
llvm-svn: 2048
2002-03-29 19:04:45 +00:00
Chris Lattner
57dd5ed245
New clone function routine
...
llvm-svn: 2045
2002-03-29 19:03:54 +00:00
Chris Lattner
6b1ce137c2
Find out which calls in the function we need to transform and how.
...
Next step is to start hacking functions up.
llvm-svn: 2044
2002-03-29 17:13:46 +00:00
Chris Lattner
5df9c977e1
s/Method/Function
...
llvm-svn: 2043
2002-03-29 17:08:29 +00:00
Chris Lattner
3a9f1dd66a
Modularize code a bit
...
llvm-svn: 2040
2002-03-29 06:21:38 +00:00
Chris Lattner
7c2529076a
Implement the first step of pool allocation - Creating, initialization, and
...
destruction of the pools.
llvm-svn: 2039
2002-03-29 05:50:20 +00:00
Chris Lattner
084601e6f4
s/Method/Function
...
llvm-svn: 2034
2002-03-29 03:44:36 +00:00
Chris Lattner
a2d3c99dfc
Simplify code a bit by using Module::getOrInsertFunction
...
llvm-svn: 2032
2002-03-29 03:43:24 +00:00
Chris Lattner
815e2f4daa
Flesh out a bunch more code, print allocations that are poolable.
...
llvm-svn: 2031
2002-03-29 03:40:59 +00:00
Chris Lattner
e46e35806a
s/method/function
...
llvm-svn: 2030
2002-03-29 03:40:25 +00:00
Chris Lattner
4ca6fd00f2
s/Method/Function/g
...
llvm-svn: 2029
2002-03-29 03:39:36 +00:00
Chris Lattner
b7f4043df7
Simplify code a lot by using the Module::getFunction & getOrInsertFunction
...
llvm-svn: 2028
2002-03-29 03:38:05 +00:00
Chris Lattner
0336a78488
Initial checkin of Noop pass that will be the pool allocator
...
llvm-svn: 2014
2002-03-28 18:08:31 +00:00
Cameron Buschardt
49c09d5b24
* Move classes around
...
* rename constructor function
* Move stuff into anonymous namespaces
llvm-svn: 2007
2002-03-27 23:28:40 +00:00
Cameron Buschardt
bcff69b0f4
Implemented promote mem->reg pass.
...
llvm-svn: 2005
2002-03-27 23:17:37 +00:00
Chris Lattner
849c762b02
Change references from Method to Function
...
change references from MethodARgument to FunctionArgument
llvm-svn: 1991
2002-03-26 18:01:55 +00:00
Vikram S. Adve
bd1e4e8bd8
Moved to directory Scalar/ and renamed.
...
llvm-svn: 1977
2002-03-24 03:55:06 +00:00
Vikram S. Adve
1f5e8f93cc
Major overhaul to support arbitrary mixed array and structure indices.
...
Also moved to the Scalar/ directory and renamed to "MultiDim".
llvm-svn: 1961
2002-03-24 03:21:18 +00:00
Chris Lattner
c481e92886
Rename Method to Function
...
llvm-svn: 1957
2002-03-23 22:51:58 +00:00
Vikram S. Adve
3294262573
New pass to decompose multi-dimensional array references into
...
a sequence of 1-D references, using a sequence of getElementPtrs.
llvm-svn: 1948
2002-03-23 20:43:39 +00:00
Chris Lattner
2ed4beefea
Fix bug test/Regression/Transforms/LevelRaise/2002-03-21-MissedRaise3.ll
...
llvm-svn: 1943
2002-03-21 23:02:37 +00:00
Chris Lattner
ad241cc3ea
Fix test/Regression/Transforms/LevelRaise/2002-03-21-MissedRaise2.ll
...
llvm-svn: 1941
2002-03-21 22:39:59 +00:00
Chris Lattner
a80b65c208
Fix test/Regression/Other/2002-03-21-LevelRaiseMiss.ll
...
llvm-svn: 1933
2002-03-21 21:21:13 +00:00
Chris Lattner
c2b5cb5619
Make ConvertableToGEP handle cases where the user is indexing into the
...
first element of a structure type. Before this would not be handled because
getStructOffset would either stop immediately (because StopEarly was true
and Offset = 0), or blast past the level we wanted.
Now ConvertableToGEP steps down through the type one level at a time, checking
the Offset and Scale conditions at each step
llvm-svn: 1931
2002-03-21 06:27:20 +00:00
Chris Lattner
559c71f6f4
Implement the new InsertInstBeforeInst function
...
llvm-svn: 1930
2002-03-21 06:24:00 +00:00
Chris Lattner
14fe793707
Fix the: test/Regression/Other/2002-03-20-LevelRaiseCrash.ll bug. It turned
...
out that almost always the result of the add was the same as the GEP that
would be generated. In this case, however, it wasn't, so bad things happened.
llvm-svn: 1929
2002-03-21 06:22:23 +00:00
Chris Lattner
e9ec6058e4
Declare the new InsertInstBeforeInst function
...
llvm-svn: 1927
2002-03-21 06:15:53 +00:00
Chris Lattner
72367834b0
1. Fix bug test/Regression/Other/2002-03-20-LevelRaiseBadCodegen.ll
...
2. Allow negative scales in ConvertableToGEP, so that this loop from
alloc_tree in the Olden health benchmark is correctly raised:
for (i = 3; i >= 0; i--)
fval[i] = alloc_tree(level - 1, label*4 + i + 1, new);
Stepping through the array backwards caused a negative scale.
llvm-svn: 1922
2002-03-21 03:04:38 +00:00
Chris Lattner
db90f5f6ea
Namespace qualify debugging code
...
llvm-svn: 1921
2002-03-21 03:02:07 +00:00
Vikram S. Adve
308f672ac8
Just a comment.
...
llvm-svn: 1908
2002-03-18 03:40:25 +00:00