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Author SHA1 Message Date
Dan Gohman
f187690987 Make ConstantAggregateZero::get return a ConstantAggregateZero*, 
as suggested in PR3182.

llvm-svn: 60691
 2008-12-08 07:10:54 +00:00
Dan Gohman
84876ffe23 Update CPP backend for PrintModulePass API changes. 
llvm-svn: 60690
 2008-12-08 07:07:24 +00:00
Evan Cheng
d668dd83c0 Perform cheap checks first. 
llvm-svn: 60689
 2008-12-08 06:52:43 +00:00
Chris Lattner
d6036b3791 Speed up getABITypeSize by turning a i64 mul and div into an 
AND.  This is speedup on any reasonable target, but particularly
on 32-bit targets where this often turns into a libcall like udivdi3.

We know that alignments are a power of two but the compiler doesn't.

llvm-svn: 60688
 2008-12-08 06:50:51 +00:00
Chris Lattner
494eb47570 Some minor optimizations for isObjectSmallerThan. 
llvm-svn: 60687
 2008-12-08 06:28:54 +00:00
Dan Gohman
bd0aaeaf8c Clarify a comment. 
llvm-svn: 60685
 2008-12-08 04:54:58 +00:00
Dan Gohman
e4b1a93573 Move createVirtualRegister out-of-line. 
llvm-svn: 60684
 2008-12-08 04:54:11 +00:00
Dan Gohman
7954facae5 Clarify some comments. 
llvm-svn: 60683
 2008-12-08 04:53:23 +00:00
Dan Gohman
df0e24acce Generalize bugpoint's concept of a "safe" backend, and add options 
to allow the "safe" backend to be run with a different path, and/or
with different command-line options.

This enables the following use cases:
 - bugpoint llc against an llc command from a different build
 - bugpoint llc against the same llc with different command-line options
 - and more...

Also, document the existing "custom" interpreter options.

llvm-svn: 60681
 2008-12-08 04:02:47 +00:00
Nick Lewycky
69eb224a5e Fixes for Visual Studio users. Patch by OvermindDL1 on llvm-dev! 
llvm-svn: 60679
 2008-12-08 00:45:02 +00:00
Dan Gohman
8b7aa3053d Use bool instead of int, now that it no longer evokes a warning. 
llvm-svn: 60678
 2008-12-07 21:33:27 +00:00
Dan Gohman
42bd5cffc9 Use intptr_t instead of unsigned here, which is more appropriate 
in a really obscure way, but more importantly has the side effect
of avoiding a GCC warning in the case that IntType is bool.

llvm-svn: 60677
 2008-12-07 21:28:00 +00:00
Chris Lattner
1ff38d6629 add an assert. the cast<> below would catch this but a message is more 
useful.

llvm-svn: 60674
 2008-12-07 18:45:15 +00:00
Chris Lattner
8cd875dac6 factor some code better. 
llvm-svn: 60673
 2008-12-07 18:42:51 +00:00
Chris Lattner
9ebcc276e4 factor some code, fixing some fixme's. 
llvm-svn: 60672
 2008-12-07 18:39:13 +00:00
Chris Lattner
279bab1c8a fix a typo duncan noticed! 
llvm-svn: 60671
 2008-12-07 18:21:37 +00:00
Oscar Fuentes
3eaab7ff7a CMake: Added Tool.cpp to tools/llvmc/driver. 
llvm-svn: 60670
 2008-12-07 17:01:16 +00:00
Mikhail Glushenkov
63bd106f2c Man page update. 
llvm-svn: 60669
 2008-12-07 16:48:07 +00:00
Mikhail Glushenkov
c1fc4efe85 Describe recent changes in the documentation. 
llvm-svn: 60668
 2008-12-07 16:47:42 +00:00
Mikhail Glushenkov
c75a4df77c Make 'extern' an option property. 
Makes (forward) work better.

llvm-svn: 60667
 2008-12-07 16:47:12 +00:00
Mikhail Glushenkov
bc0bc455b7 Plugin updates: support more options. 
llvm-svn: 60666
 2008-12-07 16:46:23 +00:00
Mikhail Glushenkov
72a5dd4ae6 Join tools couldn't be used in the middle of the toolchain. 
llvm-svn: 60665
 2008-12-07 16:45:37 +00:00
Mikhail Glushenkov
e0c9f63882 Better error message. 
llvm-svn: 60664
 2008-12-07 16:45:12 +00:00
Mikhail Glushenkov
85098f0f90 Re-apply Cedric's changes. 
Use B instead of Beg (for consistency), but NodeA and NodeB instead of A
and B.

llvm-svn: 60663
 2008-12-07 16:44:47 +00:00
Mikhail Glushenkov
a60c58c6dc Add some clarifying comments. 
llvm-svn: 60662
 2008-12-07 16:44:15 +00:00
Mikhail Glushenkov
7a56e66e32 Enable the Clang plugin by default. 
This will eventually replace `ccc`. The command `llvmc -clang` now uses
the Clang toolchain instead of `llvm-gcc`.

llvm-svn: 60661
 2008-12-07 16:43:42 +00:00
Mikhail Glushenkov
53f66e6d9a Update plugins to use (actions). 
llvm-svn: 60660
 2008-12-07 16:43:17 +00:00
Mikhail Glushenkov
4522fd9b8a Try to guess when the auto-generated cl::Sink option should be marked 'extern'. 
This would be much easier to do if the CommandLine library didn't use
global state. Global state is evil.

llvm-svn: 60659
 2008-12-07 16:42:47 +00:00
Mikhail Glushenkov
1348ac2185 Add a (progn)-like construct for (actions). Implemented as a DAG list. 
llvm-svn: 60658
 2008-12-07 16:42:22 +00:00
Mikhail Glushenkov
d676237550 Add tests for tblgen's LLVMC backend. 
llvm-svn: 60657
 2008-12-07 16:41:50 +00:00
Mikhail Glushenkov
f01331152a Use (actions) instead of option properties, support external options. 
Also includes a major refactoring. See documentation for more
information.

llvm-svn: 60656
 2008-12-07 16:41:11 +00:00
Chris Lattner
16ea827dfd add support for caching pointer dependence queries. Nothing uses this yet 
so it "can't" break anything.  That said, it does appear to work.

llvm-svn: 60654
 2008-12-07 08:50:20 +00:00
Chris Lattner
a79a341f1e fix a bug I introduced in simplifycfg handling single entry phi 
nodes. FoldSingleEntryPHINodes deletes the PHI, so there is no
need to delete it afterward.

llvm-svn: 60653
 2008-12-07 07:22:45 +00:00
Owen Anderson
a5f2ce1ee3 Switch to top-down mode and fix a crasher this exposed caused by an error in the 
live interval updating.

llvm-svn: 60652
 2008-12-07 05:33:18 +00:00
Nick Lewycky
e277f75880 Fix typo, psuedo -> pseudo. 
llvm-svn: 60651
 2008-12-07 03:49:52 +00:00
Chris Lattner
35095d7722 Some internal refactoring to make it easier to cache results. 
llvm-svn: 60650
 2008-12-07 02:56:57 +00:00
Chris Lattner
ad82419b46 Introduce a new MemDep::getNonLocalPointerDependency 
method.  This will eventually take over load/store dep
queries from getNonLocalDependency.  For now it works
fine, but is incredibly slow because it does no caching.
Lets not switch GVN to use it until that is fixed :)

llvm-svn: 60649
 2008-12-07 02:15:47 +00:00
Chris Lattner
8e8a6b4ec3 push the "pointer case" up the analysis stack a bit. This causes 
duplication of logic (in 2 places) to determine what pointer a 
load/store touches.  This will be addressed in a future commit.

llvm-svn: 60648
 2008-12-07 01:50:16 +00:00
Chris Lattner
d14e6778c6 make clients have to know how to call getCallSiteDependencyFrom 
instead of making getDependencyFrom do it.

llvm-svn: 60647
 2008-12-07 01:21:14 +00:00
Chris Lattner
ddfcaff37c rename some variables for consistency 
llvm-svn: 60644
 2008-12-07 00:39:19 +00:00
Chris Lattner
e4c5f66b3b I love how using out of scope variables is not an error with GCC, no really I do. 
llvm-svn: 60643
 2008-12-07 00:38:27 +00:00
Chris Lattner
20b7d9667d Rename getCallSiteDependency -> getCallSiteDependencyFrom to 
emphasize the scanning and make it more similar to 
getDependencyFrom
 

llvm-svn: 60642
 2008-12-07 00:35:51 +00:00
Chris Lattner
dc8cf1fa91 a memdep query on a volatile load/store will always return 
clobber with the current implementation.  Instead of returning
a "precise clobber" just return a fuzzy one.  This doesn't 
matter to any clients anyway and should speed up analysis time
very very slightly.

llvm-svn: 60641
 2008-12-07 00:28:02 +00:00
Chris Lattner
135a48d48b don't bother touching volatile stores, they will just return clobber on 
everything interesting anyway.

llvm-svn: 60640
 2008-12-07 00:25:15 +00:00
Chris Lattner
a04521164c remove the ability to get memdep info for vaarg. I don't think the 
original impl was correct and noone actually makes the query anyway.

llvm-svn: 60639
 2008-12-07 00:21:18 +00:00
Chris Lattner
3b71e8da68 make getDependencyFrom private. 
llvm-svn: 60637
 2008-12-07 00:16:50 +00:00
Chris Lattner
bd507e3e4d improve a note. 
llvm-svn: 60636
 2008-12-07 00:15:10 +00:00
Chris Lattner
1fa53e3e56 some more PRE/GVN/DSE related notes. 
llvm-svn: 60633
 2008-12-06 22:52:12 +00:00
Chris Lattner
00104cf8f8 add a note 
llvm-svn: 60632
 2008-12-06 22:49:05 +00:00
Chris Lattner
a87ff83a83 some random notes. 
llvm-svn: 60624
 2008-12-06 19:28:22 +00:00