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Author SHA1 Message Date
Reid Spencer
6cc0311c6d Lots of changes based on review and new functionality: 
* Use a 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21546 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-25 21:11:48 +00:00
Reid Spencer
8b9f9b3d60 Update the test case to handle a few more (degenerate) cases and remove 
the restriction that it is an XFAIL because it now passes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21545 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-25 21:08:34 +00:00
Chris Lattner
6ea9279304 Codegen x < 0 | y < 0 as (x|y) < 0. This allows us to compile this to: 
_foo:
        or r2, r4, r3
        srwi r3, r2, 31
        blr

instead of:

_foo:
        srwi r2, r4, 31
        srwi r3, r3, 31
        or r3, r2, r3
        blr


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21544 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-25 21:03:25 +00:00
Chris Lattner
91bd25d9df Make dominates(A,B) work with post dominators. Patch contributed by 
Naveen Neelakantam, thanks!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21543 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-25 20:50:33 +00:00
Tanya Lattner
14fc5c1c05 Added question about turning off all optimizations. I think this has been asked once or twice. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21542 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-25 20:36:56 +00:00
Chris Lattner
a70b66d49e implement getelementptr.ll:test10 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21541 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-25 20:17:30 +00:00
Chris Lattner
e3194645fc rename fn 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21540 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-25 20:17:16 +00:00
Chris Lattner
27b8598c97 new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21539 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-25 20:17:00 +00:00
Chris Lattner
a1198b5254 Correctly handle global-argument aliases induced in main 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21537 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-25 19:16:31 +00:00
Chris Lattner
63320cc841 Don't mess up SCC traversal when a node has null edges out of it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21536 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-25 19:16:17 +00:00
Chris Lattner
69c11bb285 document 'opaque' types 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21535 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-25 17:34:15 +00:00
Chris Lattner
0f876db7d5 Add feedback from Vikram 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21534 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-25 15:47:57 +00:00
Reid Spencer
5fe8561bbe Make sure the target buffer is null terminated so we don't blow up 
strcat when its called.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21533 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-25 15:40:35 +00:00
Reid Spencer
0bc07503c8 A test case for testing the StrCatOptimizer, currently XFAILed everywhere. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21532 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-25 07:29:30 +00:00
Reid Spencer
b7c11e3966 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21526 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-25 03:59:26 +00:00
Reid Spencer
5517b2ba23 Use the %name rather than the "name" format so those familiar with the 
llvm-dis output don't go blind.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21525 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-25 03:18:19 +00:00
Reid Spencer
a1aad3b0ed Shut GCC 4.0 up about classes that have virtual functions but a non-virtual 
destructor. Just add the do-nothing virtual destructor.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21524 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-25 02:55:55 +00:00
Reid Spencer
bb3d5d246b Declare a function to create the SimplifyLibCalls pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21523 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-25 02:54:00 +00:00
Reid Spencer
a7c049bf6a 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21522 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-25 02:53:12 +00:00
Reid Spencer
a498747842 A test case for the the ExitInMain libcall simplification. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21521 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-25 02:50:08 +00:00
Reid Spencer
e8f3848639 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21520 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-25 01:01:35 +00:00
Chris Lattner
fd84c2d89c fix some bugs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21515 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-25 00:38:52 +00:00
Reid Spencer
05bb8831d3 Fix a thinko in the documentation of the splitBasicBlock method. The branch 
instruction is added to the original block, not the new block.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21513 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-25 00:31:53 +00:00
Reid Spencer
2b2a528374 Shut GCC 4.0 up about classes with virtual functions but no virtual 
destructor.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21510 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-24 22:27:20 +00:00
Reid Spencer
628748650f Shut GCC 4.0 up when it complains about classes with virtual functions that 
don't have virtual destructors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21507 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-24 22:20:32 +00:00
Reid Spencer
ad1f0cd0cc Make this readable for newbies and those who can only understand one set of 
grammar rules for the English language.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21503 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-24 20:56:18 +00:00
Misha Brukman
4e8458d02c extract has been renamed to llvm-extract to avoid conflicting with another tool 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21501 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-24 17:46:58 +00:00
Chris Lattner
f52d681657 Eliminate cases where we could << by 64, which is undefined in C. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21500 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-24 17:46:05 +00:00
Misha Brukman
e50b075b66 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21499 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-24 17:43:41 +00:00
Misha Brukman
de03bc07ef extract has been renamed to llvm-extract to avoid conflicting with another tool 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21498 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-24 17:36:05 +00:00
Misha Brukman
55d2a1a546 elisp code to help with LLVM code standards compliance 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21497 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-24 17:09:19 +00:00
Misha Brukman
3d6eea518c .vimrc file to aid in LLVM coding standards conformance 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21496 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-24 17:05:04 +00:00
Chris Lattner
a1df33c0ee Implement xor.ll:test21: select (not C), A, B -> select C, B, A 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21495 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-24 07:30:14 +00:00
Chris Lattner
6edb7e8c20 Test that xor/select are folded into a select with inverted operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21494 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-24 07:28:53 +00:00
Chris Lattner
64001d0a13 Allow these methods to take a generic Value* to simplify clients. Use 
const_cast instead of c casts.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21493 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-24 07:28:37 +00:00
Chris Lattner
353835447c allow these to take a generic Value* 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21492 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-24 07:28:04 +00:00
Chris Lattner
484d3cf0e3 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21491 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-24 06:59:08 +00:00
Chris Lattner
6f8a2461a8 unxfail this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21490 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-24 06:55:40 +00:00
Chris Lattner
936a775a1b add a new testcase which occurs in 181.mcf 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21489 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-24 06:55:33 +00:00
Misha Brukman
446b5a9dd9 * The aesthetic police is on patrol!!... 
* ... but it wasn't so busy as to not smell the roses and doxygenify comments


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21487 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-23 22:35:26 +00:00
Chris Lattner
3fa94bffcb Add a helper method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21486 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-23 22:20:22 +00:00
Chris Lattner
ea1049139e Fix a bug in my previous checkin 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21485 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-23 22:01:39 +00:00
Chris Lattner
e862547a0c This file is never referenced 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21484 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-23 22:00:26 +00:00
Chris Lattner
4f0247c10d Add a method, remove last use of Type.def 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21483 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-23 22:00:09 +00:00
Chris Lattner
4c5d305b1a add a method, remove a dead #include 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21482 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-23 21:59:42 +00:00
Chris Lattner
55f950113b Types.def is going away 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21481 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-23 21:59:11 +00:00
Jeff Cohen
9d80930e95 Eliminate tabs and trailing spaces 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21480 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-23 21:38:35 +00:00
Jeff Cohen
b02fbfc485 Eliminate tabs and trailing spaces 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21479 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-23 21:26:11 +00:00
Chris Lattner
cc1f24585e Propagate eq sets through the bu graphs to the cbu and eq graphs, fixing 
a crash of the sfv on 188.ammp


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21478 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-23 21:11:05 +00:00
Chris Lattner
f1b200b0fb add a bunch of documentation about the LLVM type resolution machinery 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21475 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-23 17:27:36 +00:00