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876 Commits

Author SHA1 Message Date
Anand Shukla
d02a20b947 Added check for inlinable function 
llvm-svn: 7206
 2003-07-18 20:55:26 +00:00
Anand Shukla
bb730173d6 A pass to combine multiple backedges that go to same target 
llvm-svn: 7201
 2003-07-18 16:08:32 +00:00
John Criswell
dbaf5f719c Dinakar and I fixed a bug where we were trying to get the initializer of 
an external constant.  Since external constants don't have initializers, we
were failing on an assert() call in llvm/GlobalVariable.h.

llvm-svn: 7193
 2003-07-17 19:06:55 +00:00
Vikram S. Adve
f5914c9bca Trace loads and stores as they happen (stores were being 
remembered in valuesStoredInFunction, but never traced at function return,
and that's too late to be finding the error anyway).
Stores trace both the value and the address being stored to,
but after some experience I think only values should be traced.
The pointer hash table just fills up far too quickly if every
store address were traced.

llvm-svn: 7169
 2003-07-11 21:57:43 +00:00
Anand Shukla
cb78ec5ada Added functionality to instrmentation pass 
llvm-svn: 7161
 2003-07-10 21:55:57 +00:00
John Criswell
258dfc0319 Merged in autoconf branch. This provides configuration via the autoconf 
system.

llvm-svn: 7014
 2003-06-30 21:59:07 +00:00
Chris Lattner
a824a1ab66 Eliminate using declarations, adjust for new DSGraph API 
llvm-svn: 6992
 2003-06-30 03:14:44 +00:00
Chris Lattner
17ea08b804 Allow the inlining limit to be controlled from the command line! 
llvm-svn: 6929
 2003-06-28 15:57:04 +00:00
Chris Lattner
6b54665aa9 Add support to globaldce for deleting dead function prototypes 
llvm-svn: 6918
 2003-06-26 05:41:18 +00:00
Chris Lattner
3dc8d444ff When internalizing global ctor/dtor list, also mark it constant. This is gross, but 
until DSA is working all of the time and is totally reliable, we do this.

llvm-svn: 6917
 2003-06-26 05:30:40 +00:00
Chris Lattner
0cc143577c Add support for elimination of load instruction from global constants 
llvm-svn: 6912
 2003-06-26 05:06:25 +00:00
Chris Lattner
ebbc28f553 Instcombine: X * -1 -> -X 
llvm-svn: 6904
 2003-06-25 17:09:20 +00:00
Chris Lattner
0903331006 Fix bug: Mem2Reg/2003-06-26-IterativePromote.ll 
llvm-svn: 6901
 2003-06-25 14:58:56 +00:00
Chris Lattner
e3d0b99978 Add argument to DAE to allow operation on non-internal functions 
llvm-svn: 6895
 2003-06-25 04:12:49 +00:00
Chris Lattner
2cd94ee470 Fix bug: ADCE/2003-06-24-BadSuccessor.ll 
llvm-svn: 6891
 2003-06-24 23:02:45 +00:00
Chris Lattner
aac87d1e58 Do not mark ALL terminators live if any instruciton in the block is live. We only 
want to mark it live if it is an unconditional branch.  This fixes bug:
ADCE/2002-05-28-Crash.ll and makes this pass _much_ more useful.

llvm-svn: 6887
 2003-06-24 21:49:45 +00:00
Chris Lattner
867b7661cb Fix bug: SCCP/2003-06-24-OverdefinedPHIValue.ll 
llvm-svn: 6883
 2003-06-24 20:29:52 +00:00
Chris Lattner
e1051d9fcf Fix bug: TailDup/2003-06-24-Simpleloop.ll 
llvm-svn: 6881
 2003-06-24 19:48:06 +00:00
Chris Lattner
e1f9e715c6 Implement new transforms: 
Replace (cast (sub A, B) to bool) -> (setne A, B)
  Replace (cast (add A, B) to bool) -> (setne A, -B)

llvm-svn: 6873
 2003-06-23 21:59:52 +00:00
Chris Lattner
1586e054a6 avoid dividing by zero when dealing with zero sized types (like [0 x double]) 
llvm-svn: 6862
 2003-06-23 17:36:49 +00:00
Chris Lattner
a98d464fd6 Add paranoia checking 
llvm-svn: 6856
 2003-06-22 20:46:00 +00:00
Chris Lattner
99633d8cd2 Test change 
llvm-svn: 6852
 2003-06-22 20:25:27 +00:00
Chris Lattner
6d372c7450 Initial checkin of Tail duplication pass. 
llvm-svn: 6846
 2003-06-22 20:10:28 +00:00
Chris Lattner
9a0da3e531 Instcombine cast (getelementptr Ptr, 0, 0, 0) to ... into: cast Ptr to ... 
This fixes type safety problems in a variety of benchmarks that were confusing
DSA.

llvm-svn: 6837
 2003-06-21 23:12:02 +00:00
Chris Lattner
95bf937b5a Fix the build. :( 
llvm-svn: 6797
 2003-06-20 14:36:52 +00:00
Chris Lattner
3a8e92a30b Changes to privatize NodeType 
llvm-svn: 6795
 2003-06-19 21:15:26 +00:00
Chris Lattner
29e8adc038 Implement the functionality of InstCombine/call.ll 
llvm-svn: 6783
 2003-06-19 17:00:31 +00:00
Chris Lattner
cee19b1ace Remove a bunch of complicated code. The functionality is implemented in instcombine instead 
llvm-svn: 6782
 2003-06-19 16:59:19 +00:00
Chris Lattner
d176218b2d Handle arguments passed in through the va_arg area 
llvm-svn: 6769
 2003-06-18 16:25:51 +00:00
Chris Lattner
911e2c331c Initial checkin of DAE pass 
llvm-svn: 6759
 2003-06-17 22:21:05 +00:00
Chris Lattner
2b01ee820e Don't corrupt memory when removing an instruction from the program, but 
not the worklist

llvm-svn: 6733
 2003-06-17 03:57:18 +00:00
Chris Lattner
64ec8f36aa Fix bug: ADCE/2003-06-11-InvalidCFG.ll 
This was because we were deleting large chunks of functions without an exit block, because the post-dominance
information was not useful.  This broke crafty and twolf.

llvm-svn: 6698
 2003-06-16 12:10:45 +00:00
Chris Lattner
326e1fb77d Fix bug: LevelRaise/2003-06-07-EmptyArrayTest.ll 
llvm-svn: 6669
 2003-06-07 21:45:42 +00:00
Chris Lattner
26c238c746 Fix compilation problem on GCC 2.9x 
llvm-svn: 6667
 2003-06-07 20:29:58 +00:00
Chris Lattner
1bbfcd901c Fix bug: InstCombine/2003-06-05-BranchInvertInfLoop.ll 
llvm-svn: 6630
 2003-06-05 20:12:51 +00:00
Anand Shukla
80e3f54082 Fixed a bug so initialization code is always inserted in main 
llvm-svn: 6622
 2003-06-05 06:02:46 +00:00
Chris Lattner
b7423ab729 Use a constant expr GEP instead of an actual instruction 
llvm-svn: 6620
 2003-06-05 04:48:18 +00:00
Chris Lattner
3c98c8953a Make this work with counter > 127 
llvm-svn: 6613
 2003-06-04 20:08:47 +00:00
Sumant Kowshik
a961b3c083 Made changes suggested by Chris 
llvm-svn: 6606
 2003-06-04 08:03:57 +00:00
Chris Lattner
95d21756aa Clean up previous code. 
Add new combination to turn seteq X, 0 -> not(cast X to bool)

llvm-svn: 6604
 2003-06-04 05:10:11 +00:00
Chris Lattner
b2ea03d03a Implement combination of boolean not with branch 
llvm-svn: 6599
 2003-06-04 04:46:00 +00:00
Chris Lattner
eaafbfd2df Implement xform: (X != 0) -> (bool)X 
llvm-svn: 6506
 2003-06-01 03:35:25 +00:00
Anand Shukla
6939133e23 Added the #(internal functions) to output 
llvm-svn: 6502
 2003-06-01 02:40:49 +00:00
Chris Lattner
0897583c5c Fix bug: FunctionResolve/2003-05-31-AllInternalDecls.ll 
llvm-svn: 6486
 2003-05-31 21:57:06 +00:00
Chris Lattner
00751219b0 Fix bug: FuncResolve/2003-05-31-InternalDecl.ll 
Count resolutions correctly.

llvm-svn: 6482
 2003-05-31 21:08:45 +00:00
Chris Lattner
d825cf5ee3 Simplify funcresolve a bit more 
llvm-svn: 6480
 2003-05-31 20:44:46 +00:00
Chris Lattner
a7b50146af Fix bug: FunctionResolve/2003-05-31-FuncPointerResolve.ll 
llvm-svn: 6479
 2003-05-31 20:33:31 +00:00
Tanya Lattner
eaa01f0821 Fixed comment width, changed arg to be const, fixed indentation, removed unnecessary includes. 
llvm-svn: 6476
 2003-05-31 20:01:37 +00:00
Chris Lattner
1c10a30949 Okay totally give up on trying to optimize aggregates that cannot be completely 
broken up into their elements.  Too many programs break because of this.

llvm-svn: 6440
 2003-05-30 19:22:14 +00:00
Chris Lattner
bf8c1cb6a3 add a check that allows the SRoA pass to avoid breaking programs, even if their 
behavior is technically undefined

llvm-svn: 6438
 2003-05-30 18:09:57 +00:00
Tanya Lattner
ce23a1f169 Added the CloneTrace function which clones traces. It takes a vector of basic blocks, removes 
internal phi nodes, and returns a new vector of basic blocks.

llvm-svn: 6431
 2003-05-30 15:50:18 +00:00
Chris Lattner
c9d950434b Fix bug: ScalarRepl/2003-05-30-MultiLevel.ll 
llvm-svn: 6428
 2003-05-30 05:26:30 +00:00
Chris Lattner
0d415b2dd3 Fix bug: ScalarRepl/2003-05-29-ArrayFail.ll 
llvm-svn: 6425
 2003-05-30 04:15:41 +00:00
Sumant Kowshik
3186cb2b05 Added support for function pointers 
llvm-svn: 6420
 2003-05-29 22:42:44 +00:00
Chris Lattner
58c7aaa0e5 Add comment 
llvm-svn: 6415
 2003-05-29 20:26:30 +00:00
Chris Lattner
01cbfa9317 Eliminate unnecessary ->get calls that are now automatically handled. 
llvm-svn: 6397
 2003-05-29 15:12:27 +00:00
Chris Lattner
24947af013 * Separate all of the grunt work of inlining out into the Utils library. 
* Make the function inliner _significantly_ smarter.  :)

llvm-svn: 6396
 2003-05-29 15:11:31 +00:00
Chris Lattner
416e30b07b Fix bug: Instcombine/2003-05-27-ConstExprCrash.ll 
llvm-svn: 6352
 2003-05-27 16:40:51 +00:00
Chris Lattner
8a6c3b5cbe * Actually USE the statistic that we made 
* Implement SRoA for arrays

llvm-svn: 6349
 2003-05-27 16:09:27 +00:00
Chris Lattner
5c093a1a93 Implementation of the simple "scalar replacement of aggregates" transformation 
llvm-svn: 6346
 2003-05-27 15:45:27 +00:00
Chris Lattner
1fde83c9b5 Fix bug: InstCombine/2003-05-26-CastMiscompile.ll 
llvm-svn: 6338
 2003-05-26 23:41:32 +00:00
Chris Lattner
e58f6153f4 Remove using declarations 
llvm-svn: 6306
 2003-05-22 22:00:07 +00:00
Chris Lattner
e1d3dfec23 Make the list accept comma separated names 
llvm-svn: 6295
 2003-05-22 20:27:13 +00:00
Chris Lattner
ab034e55b5 * Revert to old behavior of ignoring a module if it doesn't contain a main 
function and no symbols were explicitly marked to be externalized.
* Add new -internalize-public-api-list option that can be used if the symbol
  list is small, and making a new file is annoying.

llvm-svn: 6289
 2003-05-22 19:48:00 +00:00
Chris Lattner
f26f3f74a3 Add option to internalize to allow it to read a file to determine which symbols 
should not be internalized

llvm-svn: 6288
 2003-05-22 19:34:49 +00:00
Chris Lattner
91c5d68261 Minor cleanups. 
This hunk:
-    } else if (Src->getNumOperands() == 2 && Src->use_size() == 1) {
+    } else if (Src->getNumOperands() == 2) {

Allows GEP folding to be more aggressive, which reduces the number of instructions
and can dramatically speed up BasicAA in some cases.

llvm-svn: 6286
 2003-05-22 19:07:21 +00:00
Chris Lattner
2fba72b389 Fix bug: FunctionResolve/2003-05-21-MissingArguments.ll 
llvm-svn: 6273
 2003-05-21 20:51:52 +00:00
Misha Brukman
825e174bf7 Hopefully, the final fix for `[Pp]ropogate'. 
llvm-svn: 6251
 2003-05-20 21:01:22 +00:00
Misha Brukman
74cf3f5246 s/convertable/convertible/g 
llvm-svn: 6248
 2003-05-20 18:45:36 +00:00
Chris Lattner
d8234cfa3a Fix long standing bug 
llvm-svn: 6232
 2003-05-15 18:25:13 +00:00
Chris Lattner
d0f6311c43 Fix Bug: Linker/2003-05-15-TypeProblem.ll 
llvm-svn: 6225
 2003-05-15 16:30:55 +00:00
Chris Lattner
be0b81a4e9 Fix major problem with appending linkage changes 
llvm-svn: 6185
 2003-05-14 12:11:51 +00:00
Chris Lattner
576323e25e Implement linkage of appending global variables! 
llvm-svn: 6178
 2003-05-13 21:33:43 +00:00
Chris Lattner
6cb27840a7 Fix bug: LoopPreheaders/2003-05-12-PreheaderExitOfChild.ll 
llvm-svn: 6153
 2003-05-12 22:04:34 +00:00
Chris Lattner
a7ee27e0fd Handle va_arg instruction correctly 
llvm-svn: 6030
 2003-05-08 02:50:13 +00:00
Chris Lattner
f1f55e385c Don't inline functions that take variable numbers of arguments! 
llvm-svn: 6024
 2003-05-08 02:36:43 +00:00
Chris Lattner
d381dc9316 Remove using decl 
llvm-svn: 6023
 2003-05-08 02:34:52 +00:00
Chris Lattner
984bb45d4a Attempt to fix sumant's typesafety issue 
llvm-svn: 5984
 2003-05-02 19:32:04 +00:00
Chris Lattner
e006ca4580 Fix spelling 
llvm-svn: 5983
 2003-05-02 19:26:34 +00:00
Chris Lattner
f13fe891d1 Fix Bug: LowerSwitch/2003-05-01-PHIProblem.ll 
llvm-svn: 5979
 2003-05-01 22:21:21 +00:00
Chris Lattner
c2eb77b84f Fix bug: LevelRaise/2003-05-01-CallCast.ll 
llvm-svn: 5975
 2003-05-01 21:02:53 +00:00
Chris Lattner
5045ab0fac Fix another case where constexprs could cause a crash 
llvm-svn: 5972
 2003-04-30 22:34:06 +00:00
Chris Lattner
caa766b40f Fix constant folding of constexprs 
llvm-svn: 5971
 2003-04-30 22:19:10 +00:00
Chris Lattner
a1250081cc Create constant expression casts instead of constant instructions if possible 
llvm-svn: 5968
 2003-04-28 01:25:38 +00:00
Chris Lattner
b74f4c1462 Fix several bugs: 
* Warnings were emitted all of the time and were really annoying
  * Functions could not be resolved unless they had external linkage.  Linkonce
    linkage was not allowed
  * ConstantPointerRef's were not handled when linking functions
    we now actually handle cast (CPR) to X -> cast (NewCPR) to X

llvm-svn: 5967
 2003-04-28 01:23:29 +00:00
Chris Lattner
7e9f0ea3fd Avoid naming things exactly the same 
llvm-svn: 5966
 2003-04-27 22:55:56 +00:00
Chris Lattner
d2960ee802 Fix bug: ADCE/2003-04-25-PHIPostDominateProblem.ll 
llvm-svn: 5952
 2003-04-25 22:53:27 +00:00
Chris Lattner
c78cd5c758 Fix major problem with PHI node traversal: rechecking PHIs should go into 
the visit function.  The worklist is for when their lattice value changes.

llvm-svn: 5927
 2003-04-25 03:35:10 +00:00
Chris Lattner
7b67a6e77d Minor non-functional changes: 
* Spell propagate right
  * Improve performance of phi node handling
  * Delete using directive
  * Other minor changes

llvm-svn: 5920
 2003-04-25 02:50:03 +00:00
Chris Lattner
e1c995e9b6 Fix bug: mem2reg/2003-04-24-MultipleIdenticalSuccessors.ll 
llvm-svn: 5919
 2003-04-25 00:54:58 +00:00
Chris Lattner
3dbf3f0ac1 Make the levelraise pass be well behaved w.r.t the TargetData that the current 
PassMAnager provides.

llvm-svn: 5896
 2003-04-24 18:25:27 +00:00
Chris Lattner
043b4a7621 Fix iterator invalidation problem 
llvm-svn: 5895
 2003-04-24 17:52:20 +00:00
Chris Lattner
f0c01a508b Make sure that the cloned module retains the type symbol table entries! 
llvm-svn: 5894
 2003-04-24 17:15:33 +00:00
Chris Lattner
868b3316c9 Make sure to preserve endiannes and pointer size when cloning modules! 
llvm-svn: 5892
 2003-04-24 15:54:40 +00:00
Chris Lattner
b6050c264d Fix Bug: Linker/2003-04-23-LinkOnceLost.ll 
llvm-svn: 5879
 2003-04-23 18:38:39 +00:00
Chris Lattner
db6b7ba364 Remove unnecesary &*'s 
llvm-svn: 5872
 2003-04-23 16:37:45 +00:00
Chris Lattner
a9eaa10358 New pass to lower switch instructions to branch instructions 
llvm-svn: 5865
 2003-04-23 16:23:59 +00:00
Chris Lattner
d609c99c87 Minor cleanups 
llvm-svn: 5863
 2003-04-23 16:18:14 +00:00
Chris Lattner
69b54208f4 Add warning when linking modules with disagreeing target properties 
llvm-svn: 5845
 2003-04-22 19:13:20 +00:00
Chris Lattner
ce0beca3fc Preserve the new moduleID field 
llvm-svn: 5835
 2003-04-22 18:02:26 +00:00