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Author SHA1 Message Date
Dan Gohman
c8a1a3c426 Factor out the code for sign-extending/truncating gep indices 
and use it in x86 address mode folding. Also, make
getRegForValue return 0 for illegal types even if it has a
ValueMap for them, because Argument values are put in the
ValueMap. This fixes PR3181.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60696 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 07:57:47 +00:00
Chris Lattner
11dcd8d38d add another level of caching for non-local pointer queries, keeping 
track of whether the CachedNonLocalPointerInfo for a block is specific
to a block.  If so, just return it without any pred scanning.  This is
good for a 6% speedup on GVN (when it uses this lookup method, which
it doesn't right now).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60695 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 07:31:50 +00:00
Chris Lattner
59779c5605 consistency 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60694 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 07:21:39 +00:00
Chris Lattner
bedb8c1d35 introduce a new RoundUpAlignment helper function, use it to 
remove some more 64-bit divs and rems from the StructLayout 
ctor.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60692 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 07:11:56 +00:00
Dan Gohman
149cfc3519 Make ConstantAggregateZero::get return a ConstantAggregateZero*, 
as suggested in PR3182.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60691 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 07:10:54 +00:00
Dan Gohman
f923129fc3 Update CPP backend for PrintModulePass API changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60690 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 07:07:24 +00:00
Evan Cheng
dda346aa71 Perform cheap checks first. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60689 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 06:52:43 +00:00
Chris Lattner
0a3ba71a05 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60688 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 06:50:51 +00:00
Chris Lattner
295d4e953a Some minor optimizations for isObjectSmallerThan. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60687 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 06:28:54 +00:00
Dan Gohman
fb4b58c9aa Clarify a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60685 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 04:54:58 +00:00
Dan Gohman
2e3e5bf427 Move createVirtualRegister out-of-line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60684 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 04:54:11 +00:00
Dan Gohman
c93ced5b34 Clarify some comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60683 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 04:53:23 +00:00
Dan Gohman
230591900c Add svn:ignore property. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60682 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 04:11:50 +00:00
Dan Gohman
70ef449741 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60681 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 04:02:47 +00:00
Nick Lewycky
28ea4f6c07 Fixes for Visual Studio users. Patch by OvermindDL1 on llvm-dev! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60679 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 00:45:02 +00:00
Dan Gohman
c765a5acad Use bool instead of int, now that it no longer evokes a warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60678 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 21:33:27 +00:00
Dan Gohman
994fd5354b 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60677 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 21:28:00 +00:00
Chris Lattner
3f7eb5b795 add an assert. the cast<> below would catch this but a message is more 
useful.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60674 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 18:45:15 +00:00
Chris Lattner
0655f73ef7 factor some code better. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60673 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 18:42:51 +00:00
Chris Lattner
d44745d241 factor some code, fixing some fixme's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60672 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 18:39:13 +00:00
Chris Lattner
e91a4881e1 fix a typo duncan noticed! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60671 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 18:21:37 +00:00
Oscar Fuentes
f76eda70fa CMake: Added Tool.cpp to tools/llvmc/driver. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60670 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 17:01:16 +00:00
Mikhail Glushenkov
24dc52d56e Man page update. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60669 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 16:48:07 +00:00
Mikhail Glushenkov
4410e3203d Describe recent changes in the documentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60668 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 16:47:42 +00:00
Mikhail Glushenkov
b4ced5a3c4 Make 'extern' an option property. 
Makes (forward) work better.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60667 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 16:47:12 +00:00
Mikhail Glushenkov
940cdfe697 Plugin updates: support more options. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60666 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 16:46:23 +00:00
Mikhail Glushenkov
b677df82ed Join tools couldn't be used in the middle of the toolchain. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60665 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 16:45:37 +00:00
Mikhail Glushenkov
ad889a7f88 Better error message. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60664 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 16:45:12 +00:00
Mikhail Glushenkov
15b71ba122 Re-apply Cedric's changes. 
Use B instead of Beg (for consistency), but NodeA and NodeB instead of A
and B.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60663 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 16:44:47 +00:00
Mikhail Glushenkov
abb009d2fd Add some clarifying comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60662 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 16:44:15 +00:00
Mikhail Glushenkov
0bef2ad481 Enable the Clang plugin by default. 
This will eventually replace `ccc`. The command `llvmc -clang` now uses
the Clang toolchain instead of `llvm-gcc`.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60661 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 16:43:42 +00:00
Mikhail Glushenkov
c8813da34a Update plugins to use (actions). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60660 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 16:43:17 +00:00
Mikhail Glushenkov
b59dbad710 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60659 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 16:42:47 +00:00
Mikhail Glushenkov
08509493e5 Add a (progn)-like construct for (actions). Implemented as a DAG list. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60658 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 16:42:22 +00:00
Mikhail Glushenkov
15dcc2a15b Add tests for tblgen's LLVMC backend. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60657 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 16:41:50 +00:00
Mikhail Glushenkov
f915253dfc Use (actions) instead of option properties, support external options. 
Also includes a major refactoring. See documentation for more
information.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60656 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 16:41:11 +00:00
Chris Lattner
6290f5cac2 add support for caching pointer dependence queries. Nothing uses this yet 
so it "can't" break anything.  That said, it does appear to work.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60654 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 08:50:20 +00:00
Chris Lattner
a16ead8b10 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60653 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 07:22:45 +00:00
Owen Anderson
75c99c5aa8 Switch to top-down mode and fix a crasher this exposed caused by an error in the 
live interval updating.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60652 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 05:33:18 +00:00
Nick Lewycky
6ecf5ce3e3 Fix typo, psuedo -> pseudo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60651 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 03:49:52 +00:00
Chris Lattner
9a193fd8ae Some internal refactoring to make it easier to cache results. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60650 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 02:56:57 +00:00
Chris Lattner
7ebcf03246 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 :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60649 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 02:15:47 +00:00
Chris Lattner
e79be944c8 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60648 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 01:50:16 +00:00
Chris Lattner
d8dd934d16 make clients have to know how to call getCallSiteDependencyFrom 
instead of making getDependencyFrom do it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60647 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 01:21:14 +00:00
Chris Lattner
106c6ca7b0 rename some variables for consistency 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60644 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 00:39:19 +00:00
Chris Lattner
fbc72e3e61 I love how using out of scope variables is not an error with GCC, no really I do. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60643 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 00:38:27 +00:00
Chris Lattner
8ef57c5faf Rename getCallSiteDependency -> getCallSiteDependencyFrom to 
emphasize the scanning and make it more similar to 
getDependencyFrom
 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60642 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 00:35:51 +00:00
Chris Lattner
745291a6ce 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60641 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 00:28:02 +00:00
Chris Lattner
f760be1c7f don't bother touching volatile stores, they will just return clobber on 
everything interesting anyway.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60640 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 00:25:15 +00:00
Chris Lattner
84b9a56d11 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60639 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 00:21:18 +00:00