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753 Commits

Author SHA1 Message Date
Chris Lattner
23aa2d5bfd Fix references to functions 
llvm-svn: 5222
 2003-01-13 00:27:23 +00:00
Chris Lattner
61d594690a Fix a huge performance problem in reassociate by introducing a 
rank map cache for instruction ranks

llvm-svn: 5030
 2002-12-15 03:56:00 +00:00
Chris Lattner
18fe81719d Minor changes: 
* Reword comment to make more clear
  * Don't print out BB's after modification made
  * Don't delete and new an instruction when we need to move something, just move it.

llvm-svn: 5029
 2002-12-15 03:49:50 +00:00
Vikram S. Adve
6c46fba526 External routines used to identify Cilk operations inserted by the 
parallelization pass.

llvm-svn: 4965
 2002-12-10 13:08:48 +00:00
Vikram S. Adve
a9966ae8ad This file implements the function DemoteRegToStack(), which takes a 
virtual register computed by an Instruction& X and replaces it with
a slot in the stack frame, allocated via alloca.

llvm-svn: 4964
 2002-12-10 13:07:58 +00:00
Vikram S. Adve
849346ee23 This file implements a pass that automatically parallelizes a program, 
using the Cilk multi-threaded runtime system to execute parallel code.
The current version inserts too many sync() operations in the program
because it does not attempt to optimize their placement.

llvm-svn: 4962
 2002-12-10 00:43:34 +00:00
Chris Lattner
fc15b7a661 Fix bug that was bugging bugpoint 
llvm-svn: 4953
 2002-12-07 21:27:16 +00:00
Chris Lattner
be53e88459 Remove dead code 
llvm-svn: 4952
 2002-12-07 18:42:13 +00:00
Chris Lattner
6c9d57c590 Fix bug: 2002-12-05-MissedConstProp.ll pointed out by Casey Carter 
llvm-svn: 4935
 2002-12-05 22:41:53 +00:00
Chris Lattner
dd9d97436d Fix big bug introduced with symbol table changes 
llvm-svn: 4885
 2002-12-03 18:32:30 +00:00
Chris Lattner
6aa0ec26d5 Initial checkin of Module cloning support stuff 
llvm-svn: 4788
 2002-11-20 20:47:41 +00:00
Chris Lattner
58944216ff Fix symbol table problem 
llvm-svn: 4785
 2002-11-20 19:32:43 +00:00
Chris Lattner
b5027095e5 - Eliminated the deferred symbol table stuff in Module & Function, it really 
wasn't an optimization and it was causing lots of bugs.

llvm-svn: 4779
 2002-11-20 18:36:02 +00:00
Chris Lattner
ec0df74910 Fix minor bugs 
llvm-svn: 4778
 2002-11-20 18:32:31 +00:00
Chris Lattner
62629300d3 Remove unneccesary #include 
llvm-svn: 4772
 2002-11-19 23:12:53 +00:00
Chris Lattner
4053d2dd12 Implement the CloneFunction function 
llvm-svn: 4771
 2002-11-19 23:12:22 +00:00
Chris Lattner
e5a05ec13b Minor changes to cloning interface 
llvm-svn: 4770
 2002-11-19 22:54:01 +00:00
Chris Lattner
aff50cfe1d Fix two fixmes: integrate with inlining, and document 
llvm-svn: 4769
 2002-11-19 22:04:49 +00:00
Chris Lattner
27bf5916fb Rework inline pass to use cloning infrastructure to do the dirty work 
llvm-svn: 4766
 2002-11-19 21:54:07 +00:00
Chris Lattner
ccb8790bc4 Start using the new function cloning header 
llvm-svn: 4764
 2002-11-19 20:59:41 +00:00
Chris Lattner
7e4c65114b Move MutatStructTypes.h out of IPO 
llvm-svn: 4762
 2002-11-19 20:49:40 +00:00
Chris Lattner
17da38496e Rename CloneFunction.h to Cloning.h 
llvm-svn: 4760
 2002-11-19 20:08:24 +00:00
Chris Lattner
adea9960ab Move the function extractor pass from tools/extract into lib/Xform/IPO 
llvm-svn: 4759
 2002-11-19 18:42:59 +00:00
Chris Lattner
996bf14a4f Fix bug: 2002-11-13-PointerFunction.ll 
This should fix codegen on vortex to work much better

llvm-svn: 4704
 2002-11-13 06:54:20 +00:00
Chris Lattner
96d1bfd014 Fix testcase: FunctionResolve/2002-11-09-ExternFn.ll 
llvm-svn: 4668
 2002-11-10 03:36:55 +00:00
Chris Lattner
0141841bc4 Fix warning 
llvm-svn: 4649
 2002-11-09 00:49:43 +00:00
Chris Lattner
f03f32d2e8 Fix spelling error 
llvm-svn: 4645
 2002-11-08 23:18:37 +00:00
Chris Lattner
7252fe359e Use the new getMainFunction() method to efficiently locate main 
llvm-svn: 4630
 2002-11-08 20:34:21 +00:00
Chris Lattner
d5dc2c1417 Fix bug: FunctionResolve/2002-11-07-RetMismatch.ll 
llvm-svn: 4618
 2002-11-08 00:38:20 +00:00
Chris Lattner
aaf2fa34a5 Instcombine this away: 
%A = getelementptr [4 x int]* %M, long 0, long 0
        %B = getelementptr int* %A, long 2

llvm-svn: 4536
 2002-11-04 16:43:32 +00:00
Chris Lattner
ecddf3396f Add a transformation to turn: 
malloc Ty, C
int
  malloc [C x Ty], 1

llvm-svn: 4534
 2002-11-04 16:18:53 +00:00
Chris Lattner
e27815a482 Ack: Fix bug in previous checkin. 
llvm-svn: 4526
 2002-11-04 05:50:42 +00:00
Chris Lattner
81135c4c57 Be more generous about level raising constant expressions don't force each 
constant to one particular type.

llvm-svn: 4525
 2002-11-04 05:46:37 +00:00
Chris Lattner
b9fa84c1ed Make sure to _delete_ memory allocated by worklists 
llvm-svn: 4523
 2002-11-04 02:54:22 +00:00
Anand Shukla
bf2fc13a2f code to lightly instrument at branches 
llvm-svn: 4511
 2002-11-03 01:45:20 +00:00
Chris Lattner
d94208782e Make sure to include name information if we have it 
llvm-svn: 4481
 2002-11-01 04:49:06 +00:00
Chris Lattner
b913f4e785 Fixes to the reassociate pass to make it respect dominance properties 
Huge thanks go to Casey Carter for writing this fix, reassociate is now
reoperational!

llvm-svn: 4471
 2002-10-31 17:12:59 +00:00
Chris Lattner
1ec9725ef8 BreakCriticalEdges should update dominance frontier information as well as 
other dominance stuff.  Patch contributed by Casey Carter

llvm-svn: 4457
 2002-10-31 02:44:36 +00:00
Misha Brukman
c9c721edf0 Fix spelling of `propagate'. 
llvm-svn: 4423
 2002-10-29 23:06:16 +00:00
Chris Lattner
b8ffbe6966 Ensure definate initialization 
llvm-svn: 4263
 2002-10-22 23:34:11 +00:00
Chris Lattner
b565d3ac5b - Rename AnalysisUsage::preservesAll to getPreservesAll & preservesCFG to 
setPreservesCFG to be less confusing.

llvm-svn: 4255
 2002-10-21 20:00:28 +00:00
Chris Lattner
79cf8950f1 * Apparently string::find doesn't work right on our sun boxes. Work around this. 
llvm-svn: 4219
 2002-10-17 16:22:08 +00:00
Chris Lattner
15d0113fc6 Really disable pool allocator 
llvm-svn: 4216
 2002-10-17 04:57:09 +00:00
Chris Lattner
82f54dca49 - Change Function's so that their argument list is populated when they are 
constructed.  Before, external functions would have an empty argument list,
    now a Function ALWAYS has a populated argument list.

llvm-svn: 4149
 2002-10-13 20:57:00 +00:00
Chris Lattner
fdf2ca9468 - Rename Instruction::First*Op to *OpsBegin, and Num*Ops to *OpsEnd to 
reflect the fact that it's a range being defined.

llvm-svn: 4147
 2002-10-13 19:39:16 +00:00
Chris Lattner
9d067ad595 Account for global variables resolved more accurately. 
llvm-svn: 4143
 2002-10-13 17:30:30 +00:00
Chris Lattner
721a5fac62 Use methods that are more explanatory 
llvm-svn: 4142
 2002-10-13 17:12:47 +00:00
Anand Shukla
d80a46cb42 Changed to external global var 
llvm-svn: 4120
 2002-10-12 20:33:47 +00:00
Chris Lattner
8cd34b84b2 Stop using DataStructureGraph.h 
llvm-svn: 4106
 2002-10-10 20:33:46 +00:00
Chris Lattner
42547124d0 - Dramatically simplify the ConstantMerge code now that 
Value::replaceAllUsesWith works with constants correctly.

llvm-svn: 4104
 2002-10-09 23:16:04 +00:00
Chris Lattner
83d105d986 Almost a complete rewrite of FunctionResolution to now resolve functions 
and global variables.

This fixes bug: FuncResolve/2002-08-19-ResolveGlobalVarsEasier.ll
And bug: SingleSource/UnitTests/2002-10-09-ArrayResolution.c

Note that this does not fix bug:
FunctionResolve/2002-08-19-ResolveGlobalVars.ll because replaceAllUsesWith
breaks when a constantexpr is pointing to the thing being replaced.  This
is more of an infrastructure problem than anything.

llvm-svn: 4099
 2002-10-09 21:10:06 +00:00
Chris Lattner
51d98b38f2 - Rename MTy to FTy (no methods exist anymore) 
- Fix bug: LevelRaise/2002-10-08-VarArgCallInfLoop.ll

llvm-svn: 4088
 2002-10-09 00:16:00 +00:00
Chris Lattner
e8160b4dd1 - Fix bug: LevelRaise/2002-10-08-VarArgCall.ll 
llvm-svn: 4083
 2002-10-08 22:19:25 +00:00
Chris Lattner
d68e6d1718 - Fix bug: cee/2002-10-07-NoImmediateDominator.ll 
llvm-svn: 4081
 2002-10-08 21:53:51 +00:00
Chris Lattner
c35f54df86 Changes to support PHINode::removeIncoming changes 
llvm-svn: 4080
 2002-10-08 21:36:34 +00:00
Chris Lattner
9c236351fd Changes to support PHINode::removeIncoming changes 
llvm-svn: 4079
 2002-10-08 21:36:33 +00:00
Chris Lattner
40df2d9d4c - Checkin LARGE number of Changes to CEE pass that will make it much more 
powerful, but that are largely disabled.  The basic idea here is that it
    is trying to forward branches across basic blocks that have PHI nodes in
    it, which are crucial to be able to handle cases like whet.ll.
    Unfortunately we are not updating SSA correctly, causing sim.c to die, and I
    don't have time to fix the regression now, so I must disable the
    functionality.

llvm-svn: 4077
 2002-10-08 21:34:15 +00:00
Chris Lattner
3cf20c3f14 Expose isCriticalEdge & SplitCriticalEdge methods from crit-edges pass 
llvm-svn: 4075
 2002-10-08 21:06:27 +00:00
Chris Lattner
b32252aa71 It is illegal for PHI nodes to have zero values, delete the code to handle them 
llvm-svn: 4071
 2002-10-08 17:07:39 +00:00
Chris Lattner
55c7ae3cdc Fold ashr -1, X into -1 
llvm-svn: 4070
 2002-10-08 16:16:40 +00:00
Chris Lattner
c532e35cce Non-functionality change just to make it more clear what is going on 
llvm-svn: 4060
 2002-10-07 18:34:32 +00:00
Chris Lattner
88c8ffce8b Fix bug: 2002-10-02-SignExtensionProblem.ll 
llvm-svn: 4017
 2002-10-02 18:53:14 +00:00
Chris Lattner
3fec0954e8 Changes to work with Statistics rework 
* Renamed StatisticReporter.h/cpp to Statistic.h/cpp
    * Broke constructor to take two const char * arguments instead of one, so
      that indendation can be taken care of automatically.
    * Sort the list by pass name when printing
    * Make sure to print all statistics as a group, instead of randomly when
      the statistics dtors are called.
    * Updated ProgrammersManual with new semantics.

llvm-svn: 4004
 2002-10-01 22:40:31 +00:00
Chris Lattner
7cf9f6f4b1 Updates to work with recent Statistic's changes: 
* Renamed StatisticReporter.h/cpp to Statistic.h/cpp
    * Broke constructor to take two const char * arguments instead of one, so
      that indendation can be taken care of automatically.
    * Sort the list by pass name when printing
    * Make sure to print all statistics as a group, instead of randomly when
      the statistics dtors are called.
    * Updated ProgrammersManual with new semantics.

llvm-svn: 4002
 2002-10-01 22:38:41 +00:00
Chris Lattner
4cc183889f Updates to work with recent Statistic's changes: 
* Renamed StatisticReporter.h/cpp to Statistic.h/cpp
    * Broke constructor to take two const char * arguments instead of one, so
      that indendation can be taken care of automatically.
    * Sort the list by pass name when printing
    * Make sure to print all statistics as a group, instead of randomly when
      the statistics dtors are called.
    * Updated ProgrammersManual with new semantics.

llvm-svn: 4001
 2002-10-01 22:38:37 +00:00
Chris Lattner
b5d3e33496 Build subdirs in parallel 
llvm-svn: 4000
 2002-10-01 22:36:35 +00:00
Chris Lattner
61e8de1c61 Fix bug in LICM that caused the previous big win. :( 
llvm-svn: 3980
 2002-09-29 22:26:07 +00:00
Chris Lattner
ef0e95bb42 Hoist the contents of Loops in depth first order in the dominator tree, 
rather than in random order.  This causes LICM to be DRAMATICALLY more
effective. For example, on bzip2.c, it is able to hoist 302 loads and
2380 total instructions, as opposed to 44/338 before.  This  obviously
makes other transformations much more powerful as well!

llvm-svn: 3978
 2002-09-29 21:46:09 +00:00
Chris Lattner
b731880895 Fix major bugs in dominator set & tree information updating 
llvm-svn: 3975
 2002-09-29 21:41:38 +00:00
Vikram S. Adve
69d19cf9a9 Convert DIRS to PARALLEL_DIRS. They can be built independently. 
llvm-svn: 3972
 2002-09-29 11:52:14 +00:00
Chris Lattner
0bbb8f6e06 - Further cleanups of LICM pass, remove extra work from previous implementation 
- Do not clone instructions then insert clone outside of loop.  Just move them.

llvm-svn: 3951
 2002-09-26 19:40:25 +00:00
Chris Lattner
0c66734ac5 Improve comments, doxygenize more 
llvm-svn: 3950
 2002-09-26 16:52:07 +00:00
Chris Lattner
21eb78d59d Clean up LICM significantly now that it is guaranteed to have loop preheaders 
llvm-svn: 3947
 2002-09-26 16:38:03 +00:00
Chris Lattner
9cdbd428b0 Change pass name to something sane 
llvm-svn: 3946
 2002-09-26 16:37:37 +00:00
Chris Lattner
fe9fba6f5b Loop invariant code motion now depends on the LoopPreheader pass. Dead code 
has not yet been removed.

llvm-svn: 3945
 2002-09-26 16:19:31 +00:00
Chris Lattner
f9676d651d - Cleanup break-crit-edges pass by making SplitCriticalEdge a member method. 
- break-crit-edges pass does not invalidate loop-preheader pass.

llvm-svn: 3944
 2002-09-26 16:18:51 +00:00
Chris Lattner
e5996b4c88 Checkin new loop-preheader insertion pass. 
llvm-svn: 3942
 2002-09-26 16:17:31 +00:00
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