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3804 Commits

Author SHA1 Message Date
Cameron Zwarich
ebe8173941 The x86-64 ABI says that a bool is only guaranteed to be sign-extended to a byte 
rather than an int. Thankfully, this only causes LLVM to miss optimizations, not
generate incorrect code.

This just fixes the zext at the return. We still insert an i32 ZextAssert when
reading a function's arguments, but it is followed by a truncate and another i8
ZextAssert so it is not optimized.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127766 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-16 22:20:18 +00:00
Chris Lattner
be2e1b50c4 rip out llvm 2.8 release notes to make room for llvm 2.9 notes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127399 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-10 07:43:44 +00:00
Devang Patel
a83688fcb5 Since last couple of days, argument number is encoded using 8 bits from line number field in argument's debug info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127250 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 16:29:40 +00:00
Devang Patel
90d81f1dd5 Update DILexicalBlock doc to mention new fields. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127249 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 16:25:29 +00:00
Duncan Sands
dea3a5e202 Clarify that the result of an srem is only guaranteed to have the same sign as the 
left-hand-side if the result is non-zero.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127156 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-07 09:12:24 +00:00
Bill Wendling
f16fe9ef55 Fix tagging name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127154 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-07 07:37:12 +00:00
Chris Lattner
6ca55370d2 remove another jeff link 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127135 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-06 23:00:33 +00:00
Chris Lattner
a4a1c3f0d9 remove jeff's name (by his request) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127066 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-05 07:23:02 +00:00
Oscar Fuentes
0dddbc3d1b Support for parallel compilation (/MP) when using the VS IDE. 
Patch by Erik Olofsson!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126847 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-02 17:47:37 +00:00
Bill Wendling
9ff5de99df Small cleanup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126821 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-02 02:17:11 +00:00
Bill Wendling
36d6c4d5f6 Update the documentation on "How to Release LLVM". It lays out a new way of 
tagging and branching for the release. I will update this more throughout the
2.9 release process.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126604 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-28 01:10:44 +00:00
Duncan Sands
60c8bf5350 Fix typo pointed out in pr9339. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126573 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-27 13:54:01 +00:00
Nadav Rotem
8c20ec54d9 Enable support for vector sext and trunc: 
Limit the folding of any_ext and sext  into the load operation to scalars.
Limit the active-bits trunc optimization to scalars.
Document vector trunc and vector sext in LangRef.

Similar to commit 126080 (for enabling zext).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126424 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 21:01:34 +00:00
Oscar Fuentes
89d31ec7d2 Remove the link to Projects.html. It is useless for people working on 
Visual Studio.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126083 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-20 15:34:12 +00:00
Nadav Rotem
ed9b934f65 Fix 9267; Add vector zext support. 
The DAGCombiner folds the zext into complex load instructions. This patch
prevents this optimization on vectors since none of the supported targets
knows how to perform load+vector_zext in one instruction.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126080 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-20 12:37:50 +00:00
Nick Lewycky
7ac0199287 Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126065 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-20 02:03:04 +00:00
Nick Lewycky
ccd279d057 Fix thinko, basic blocks are SESE. The exits may have many edges though. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125709 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-17 02:19:22 +00:00
Duncan Sands
ab4c366274 Spelling fix: consequtive -> consecutive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125563 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-15 09:23:02 +00:00
Chris Lattner
155ced8092 Minor fixes to tutorial, patch by Benjamin Meyer! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125544 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-15 00:24:32 +00:00
Tobias Grosser
eafbe659f8 Adapt docs to '-loopsimplify -> -loop-simplify' change 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125469 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-13 20:57:25 +00:00
Chris Lattner
776b7df0e7 attempt to capture recent discussion about overflow and inbounds geps. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125412 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-11 21:50:52 +00:00
Erick Tryzelaar
ff3dbde905 Don't run ocamldoc if it's not installed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125203 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-09 18:32:04 +00:00
Chris Lattner
66298c104e fix typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125192 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-09 16:44:44 +00:00
NAKAMURA Takumi
f287f01cd1 Add testing stuff to CMake documents. 
- Note "GnuWin32".
  - Note LLVM_LIT_TOOLS_DIR
  - Now we can run tests on VS w/e all tests might pass or not!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125177 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-09 04:19:28 +00:00
Chris Lattner
f067d584a8 implement .ll and .bc support for nsw/nuw on shl and exact on lshr/ashr. 
Factor some code better.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125006 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-07 16:40:21 +00:00
Chris Lattner
35bda8914c enhance vmcore to know that udiv's can be exact, and add a trivial 
instcombine xform to exercise this.

Nothing forms exact udivs yet though.  This is progress on PR8862



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124992 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-06 21:44:57 +00:00
Devang Patel
3728078509 Update docs to match reality. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124761 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-03 00:22:17 +00:00
Anton Korobeynikov
46a98cf1f1 Document the LLVM GIT mirror 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124677 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-01 20:08:28 +00:00
Devang Patel
e136e506ec Remove stale references of obsolete @llvm.dbg.variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124664 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-01 17:22:12 +00:00
Nick Lewycky
db9cd76635 Most browsers eliminate whitespace between anchor tags. Force whitespace with 
  so that the code reads properly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124514 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-29 01:09:53 +00:00
Oscar Fuentes
5969379145 Handles libffi on the CMake build. 
Patch by arrowdodger!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123976 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-21 15:42:54 +00:00
Chris Lattner
899407533a finish a sentence. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123750 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-18 06:12:10 +00:00
Rafael Espindola
a5eaa861e4 Add a clarification about merging constants with and without unnamed_addr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123530 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-15 08:20:57 +00:00
Jakob Stoklund Olesen
3ca2102c72 Don't document exactly how virtual registers are represented as integers. Code 
shouldn't depend directly on that.

Give an example of how to iterate over all virtual registers in a function
without depending on the representation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123099 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-08 23:10:59 +00:00
Rafael Espindola
bea4626f93 First step in fixing PR8927: 
Add a unnamed_addr bit to global variables and functions. This will be used
to indicate that the address is not significant and therefore the constant
or function can be merged with others.

If an optimization pass can show that an address is not used, it can set this.

Examples of things that can have this set by the FE are globals created to
hold string literals and C++ constructors.

Adding unnamed_addr to a non-const global should have no effect unless
an optimization can transform that global into a constant.

Aliases are not allowed to have unnamed_addr since I couldn't figure
out any use for it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123063 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-08 16:42:36 +00:00
David Greene
1434f66b2e Rename lisp-like functions as suggested by Gabor Greif as loooong time 
ago.  This is both easier to learn and easier to read.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123001 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-07 17:05:37 +00:00
Owen Anderson
ab6acc6ecd Stub out a new updating interface to AliasAnalysis, allowing stateful analyses to be informed when 
a pointer value has potentially become escaping.  Implementations can choose to either fall back to
conservative responses for that value, or may recompute their analysis to accomodate the change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122777 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-03 21:38:41 +00:00
Owen Anderson
375e5a380c We can count properly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122773 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-03 21:08:22 +00:00
David Greene
18d4987753 Reapply 122341 to fix PR8199 now that clang changes are in. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122754 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-03 17:30:25 +00:00
Nick Lewycky
9959706735 Further expand what a call graph pass may do. 
The rationale is that after analyzing a function in the SCC, we may want to
modify it in a way that requires us to update its uses (f.e. to replace the
call with a constant) or its users (f.e. to call it with fewer arguments).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122739 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-03 06:16:07 +00:00
Nick Lewycky
041ee7e6fa Permit CallGraphSCCPasses readonly access to the direct callers of the functions 
in their SCC as they already have with the direct callees.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122734 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-03 04:01:44 +00:00
Duncan Sands
5e09eefe95 Correct a bunch of mistakes which meant that the example pass didn't 
even compile, let alone work.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122657 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-01 17:37:07 +00:00
Duncan Sands
dc97c0b2c7 I was unable to get the instructions to work if LLVM was built 
using a separate objects directory.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122656 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-01 17:28:49 +00:00
Duncan Sands
779ff7fd82 Clarify that the loadable module turns up in the top-level directory, 
not locally.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122655 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-01 17:21:58 +00:00
Erick Tryzelaar
7a31865b1a Add a reference to the OCamlLangImpl8. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122651 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-01 03:29:25 +00:00
Erick Tryzelaar
160dae7d7f Add an OCaml tutorial page 8 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122650 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-01 03:27:43 +00:00
Tobias Grosser
0538729a3a Integers are primitive types. Update the documentation to state this 
This was done for label, void, floating point, x86mmx, metadata,
just not integer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122606 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-28 20:29:31 +00:00
David Greene
234da6832f Revert 122341. It breaks some darwin tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122346 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-21 17:25:43 +00:00
David Greene
4d75d80d62 Fix PR 8199. This patch prepends the build tool dir to LLVM programs 
being tested.  This ensures that we test the tools just built and not
some random tools that might happen to be in the user's PATH.  This
makes LLVM testing much more stable and predictable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122341 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-21 16:55:53 +00:00
Bill Wendling
b8602039f1 Grammar corrections and some formatting changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122312 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-21 03:31:05 +00:00