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Author SHA1 Message Date
Reid Spencer
cffd5bc2f3 A test case for testing the StrCatOptimizer, currently XFAILed everywhere. 
llvm-svn: 21532
 2005-04-25 07:29:30 +00:00
Reid Spencer
4b4864684a Post-Review Cleanup: 
* Fix comments at top of file
* Change algorithm for running the call optimizations from n*n to something
  closer to n.
* Use a hash_map to store and lookup the optimizations since there will
  eventually (or potentially) be a large number of them. This gets lookup
  based on the name of the function to O(1). Each CallOptimizer now has a
  std::string member named func_name that tracks the name of the function
  that it applies to. It is this string that is entered into the hash_map
  for fast comparison against the function names encountered in the module.
* Cleanup some style issues pertaining to iterator invalidation
* Don't pass the Function pointer to the OptimizeCall function because if
  the optimization needs it, it can get it from the CallInst passed in.
* Add the skeleton for a new CallOptimizer, StrCatOptimizer which will
  eventually replace strcat's of constant strings with direct copies.

llvm-svn: 21526
 2005-04-25 03:59:26 +00:00
Reid Spencer
91f63c0b61 Use the %name rather than the "name" format so those familiar with the 
llvm-dis output don't go blind.

llvm-svn: 21525
 2005-04-25 03:18:19 +00:00
Reid Spencer
e952b16f37 Shut GCC 4.0 up about classes that have virtual functions but a non-virtual 
destructor. Just add the do-nothing virtual destructor.

llvm-svn: 21524
 2005-04-25 02:55:55 +00:00
Reid Spencer
a8e0496412 Declare a function to create the SimplifyLibCalls pass. 
llvm-svn: 21523
 2005-04-25 02:54:00 +00:00
Reid Spencer
95a0d8af78 A new pass to provide specific optimizations for certain well-known library 
calls. The pass visits all external functions in the module and determines
if such function calls can be optimized. The optimizations are specific to
the library calls involved. This initial version only optimizes calls to
exit(3) when they occur in main(): it changes them to ret instructions.

llvm-svn: 21522
 2005-04-25 02:53:12 +00:00
Reid Spencer
c87c21af3d A test case for the the ExitInMain libcall simplification. 
llvm-svn: 21521
 2005-04-25 02:50:08 +00:00
Reid Spencer
27134f31f2 Older compilers won't like the inline virtual destructor in the header file 
so we put the destructor in Pass.cpp and make it non-inline.

llvm-svn: 21520
 2005-04-25 01:01:35 +00:00
Chris Lattner
ad1a80d7d6 fix some bugs 
llvm-svn: 21515
 2005-04-25 00:38:52 +00:00
Reid Spencer
a37ffe4c46 Fix a thinko in the documentation of the splitBasicBlock method. The branch 
instruction is added to the original block, not the new block.

llvm-svn: 21513
 2005-04-25 00:31:53 +00:00
Reid Spencer
c206223e65 Shut GCC 4.0 up about classes with virtual functions but no virtual 
destructor.

llvm-svn: 21510
 2005-04-24 22:27:20 +00:00
Reid Spencer
2a1b7a35ea Shut GCC 4.0 up when it complains about classes with virtual functions that 
don't have virtual destructors.

llvm-svn: 21507
 2005-04-24 22:20:32 +00:00
Reid Spencer
9bb0fbd3a2 Make this readable for newbies and those who can only understand one set of 
grammar rules for the English language.

llvm-svn: 21503
 2005-04-24 20:56:18 +00:00
Misha Brukman
b4a985dcc0 extract has been renamed to llvm-extract to avoid conflicting with another tool 
llvm-svn: 21501
 2005-04-24 17:46:58 +00:00
Chris Lattner
e78ae0e1b1 Eliminate cases where we could << by 64, which is undefined in C. 
llvm-svn: 21500
 2005-04-24 17:46:05 +00:00
Misha Brukman
e33c68918a There are still uses for spaces in Makefiles -- to make text line up together, 
regardless of the tab size/stop settings on the developer side

llvm-svn: 21499
 2005-04-24 17:43:41 +00:00
Misha Brukman
328b40490c extract has been renamed to llvm-extract to avoid conflicting with another tool 
llvm-svn: 21498
 2005-04-24 17:36:05 +00:00
Misha Brukman
307bcc5132 elisp code to help with LLVM code standards compliance 
llvm-svn: 21497
 2005-04-24 17:09:19 +00:00
Misha Brukman
a08005297f .vimrc file to aid in LLVM coding standards conformance 
llvm-svn: 21496
 2005-04-24 17:05:04 +00:00
Chris Lattner
5fdcc49858 Implement xor.ll:test21: select (not C), A, B -> select C, B, A 
llvm-svn: 21495
 2005-04-24 07:30:14 +00:00
Chris Lattner
86af6b1fba Test that xor/select are folded into a select with inverted operands. 
llvm-svn: 21494
 2005-04-24 07:28:53 +00:00
Chris Lattner
a9f3e89328 Allow these methods to take a generic Value* to simplify clients. Use 
const_cast instead of c casts.

llvm-svn: 21493
 2005-04-24 07:28:37 +00:00
Chris Lattner
d40a7efbbb allow these to take a generic Value* 
llvm-svn: 21492
 2005-04-24 07:28:04 +00:00
Chris Lattner
26c5e79151 Use getPrimitiveSizeInBits() instead of getPrimitiveSize()*8 
Completely rework the 'setcc (cast x to larger), y' code.  This code has
the advantage of implementing setcc.ll:test19 (being more general than
the previous code) and being correct in all cases.

This allows us to unxfail 2004-11-27-SetCCForCastLargerAndConstant.ll,
and close PR454.

llvm-svn: 21491
 2005-04-24 06:59:08 +00:00
Chris Lattner
3bf87c4b02 unxfail this. 
llvm-svn: 21490
 2005-04-24 06:55:40 +00:00
Chris Lattner
f492b44ee9 add a new testcase which occurs in 181.mcf 
llvm-svn: 21489
 2005-04-24 06:55:33 +00:00
Misha Brukman
353d27c5fc * The aesthetic police is on patrol!!... 
* ... but it wasn't so busy as to not smell the roses and doxygenify comments

llvm-svn: 21487
 2005-04-23 22:35:26 +00:00
Chris Lattner
9484bc95af Add a helper method 
llvm-svn: 21486
 2005-04-23 22:20:22 +00:00
Chris Lattner
dfae677997 Fix a bug in my previous checkin 
llvm-svn: 21485
 2005-04-23 22:01:39 +00:00
Chris Lattner
1fb1ee2b08 This file is never referenced 
llvm-svn: 21484
 2005-04-23 22:00:26 +00:00
Chris Lattner
d10f1f55f9 Add a method, remove last use of Type.def 
llvm-svn: 21483
 2005-04-23 22:00:09 +00:00
Chris Lattner
c40ae24342 add a method, remove a dead #include 
llvm-svn: 21482
 2005-04-23 21:59:42 +00:00
Chris Lattner
2c241870ec Types.def is going away 
llvm-svn: 21481
 2005-04-23 21:59:11 +00:00
Jeff Cohen
6c42217055 Eliminate tabs and trailing spaces 
llvm-svn: 21480
 2005-04-23 21:38:35 +00:00
Jeff Cohen
8e5170aec2 Eliminate tabs and trailing spaces 
llvm-svn: 21479
 2005-04-23 21:26:11 +00:00
Chris Lattner
0bc1588c47 Propagate eq sets through the bu graphs to the cbu and eq graphs, fixing 
a crash of the sfv on 188.ammp

llvm-svn: 21478
 2005-04-23 21:11:05 +00:00
Chris Lattner
dbf91254a8 add a bunch of documentation about the LLVM type resolution machinery 
llvm-svn: 21475
 2005-04-23 17:27:36 +00:00
Reid Spencer
ec6c11679f Make the CBackend actually get included in llc by using USEDLIBS instead of 
USEDLIB as the variable to which "CBackend" is appended. The surrounding
if clause is safe because currently the configure script ensures that the
CBackend target is always added to TARGETS_TO_BUILD. By using a non-hard
coded construct in the makefile, we gain uniformity and the ability to
change the default set of targets by only changing the configure script.

llvm-svn: 21474
 2005-04-23 17:24:33 +00:00
Chris Lattner
420674160a make an advanced topics section, move symtab to it 
llvm-svn: 21473
 2005-04-23 16:10:52 +00:00
Chris Lattner
cab989c0a9 This is not needed 
llvm-svn: 21472
 2005-04-23 16:00:27 +00:00
Chris Lattner
aafed02b0a add a search box for the documentation 
llvm-svn: 21471
 2005-04-23 15:55:18 +00:00
Chris Lattner
42869e162e Generalize the setcc -> PHI and Select folding optimizations to work with 
any constant RHS, not just a constant integer RHS.  This implements
select.ll:test17

llvm-svn: 21470
 2005-04-23 15:31:55 +00:00
Chris Lattner
184b033a57 add a new testcase 
llvm-svn: 21469
 2005-04-23 15:31:03 +00:00
Chris Lattner
92d1aa5cf0 Always enable the C backend. This fixes a *vast* number of failures on the 
testers last night, as llc was not getting the cbe linked in.

llvm-svn: 21468
 2005-04-23 14:36:22 +00:00
Alkis Evlogimenos
4a22dbec7d Add method to return the type this type will be promoted to if it is 
passed through a variable argument function.

llvm-svn: 21462
 2005-04-23 00:11:21 +00:00
Reid Spencer
26a18422c2 Mention the --enable-targets= option to configure. 
llvm-svn: 21459
 2005-04-22 20:27:33 +00:00
Misha Brukman
fdc5e95a10 * Order #includes as per style guide 
* Combine multiple ``std::cerr <<'' statements into one for simplicity

llvm-svn: 21458
 2005-04-22 19:13:22 +00:00
Misha Brukman
b3e2f08638 Convert tabs to spaces 
llvm-svn: 21457
 2005-04-22 18:06:01 +00:00
Misha Brukman
95e9cfc71a Hyphenate the adjective `n-bit' when used to describe values and processors 
llvm-svn: 21456
 2005-04-22 18:02:52 +00:00
Misha Brukman
c165d15194 Build the `Skeleton' target when building "all" targets 
llvm-svn: 21455
 2005-04-22 18:00:34 +00:00