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Author SHA1 Message Date
Wojciech Matyjewicz
2a9054cfd6 Change negative grep into positive one in my yesterday's testcase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47008 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-12 15:10:35 +00:00
Wojciech Matyjewicz
7b5b76835a Fix PR2002. Suppose n is the initial value for the induction 
variable (with step 1) and m is its final value. Then, the correct trip 
count is SMAX(m,n)-n. Previously, we used SMAX(0,m-n), but m-n may 
overflow and can't in general be interpreted as signed.

Patch by Nick Lewycky.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47007 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-12 15:09:36 +00:00
Eli Friedman
b6c36e4058 Fix for bug 1996: optimize out loads of undef. This code basically just 
checks for a malloc/alloca immediately followed by a load.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47006 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-12 12:08:14 +00:00
Evan Cheng
add251754c Update comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47002 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-12 07:59:55 +00:00
Evan Cheng
5ae45caf79 Unbreak various insert_vector_elt and extract_vector_elt tests in presence of SSE4. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47001 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-12 07:59:45 +00:00
Tanya Lattner
3c593c947c Test case for annotate builtin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46999 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-12 07:46:33 +00:00
Evan Cheng
65b2e3df0d Fix some test cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46998 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-12 07:22:46 +00:00
Bill Wendling
0602df7403 More violation fixes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46997 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-12 07:12:46 +00:00
Bill Wendling
58d96d6e3c Fix validation errors: di -> dt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46996 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-12 07:09:05 +00:00
Bill Wendling
643eb5d7ba Reformatting. Adding "doc_code" divisions for code examples. Updated some 
of the examples to reflect the current .TD files.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46995 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-12 07:06:19 +00:00
Chris Lattner
2b659ef4bd rip out llvm 2.2 stuff in preparation for llvm 2.3 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46993 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-12 06:29:45 +00:00
Chris Lattner
18232a5fd1 heavily refactor this to have less duplication between BUILD_FOR_WEBSITE mode and not. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46991 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-12 06:07:47 +00:00
Chris Lattner
02b81fe5f5 remove unknown details 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46985 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-12 05:07:12 +00:00
Tanya Lattner
dd50f0f954 Add 2.2 release tag. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46981 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-12 02:42:55 +00:00
Nate Begeman
5bb013c34a Stuff noticed while grepping code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46979 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-11 23:47:56 +00:00
Dan Gohman
d3993d13be Correct the order of the arguments in the examples in the comments 
for APInt::getBitsSet. And fix an off-by-one bug in "wrapping" mode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46978 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-11 23:45:14 +00:00
Ted Kremenek
a618f82c9f The factories for ImutAVLTree/ImmutableSet/ImmutableMap now take an (optional) 
BumpPtrAllocator argument to their constructors.  This BumpPtrAllocator
will be used to allocate trees.  If no BumpPtrAllocator is provided, one
is created (as before).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46975 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-11 23:11:12 +00:00
Scott Michel
8c77ff9f85 Added blurb for CellSPU progress 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46968 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-11 21:05:47 +00:00
Duncan Sands
b988baccc2 Generalize the handling of call and return arguments, 
in preparation for apint support.  These changes are
intended to have no functional effect.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46967 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-11 20:58:28 +00:00
Dan Gohman
cc20cd59e6 From Chris' review: use isa instead of explicitly using classof. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46964 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-11 19:00:34 +00:00
Dan Gohman
027ee7e3ca From Chris' review: minor corrections in comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46963 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-11 19:00:03 +00:00
Dan Gohman
bbbbb9c3dd From Chris' review: use cast instead of dyn_cast with an assert. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46962 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-11 18:58:42 +00:00
Dan Gohman
debeeba6ec From Chris' review: fix 80 column violations 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46961 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-11 18:57:43 +00:00
Dan Gohman
f8df0ff9a5 From Chris' review: change MemOperandSDNode's constructor to pass its 
argument by reference, rather than by value. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46960 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-11 18:56:50 +00:00
Wojciech Matyjewicz
a089b10421 If the LHS of the comparison is a loop-invariant we also want to move it 
to the RHS. This simple change allows to compute loop iteration count 
for loops with condition similar to the one in the testcase (which seems 
to be quite common).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46959 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-11 18:37:34 +00:00
Ted Kremenek
1f801fa5ad Added "Profile" method to APFloat for use with FoldingSet. 
Added member template "Add" to FoldingSetNodeID that allows "adding" arbitrary
objects to a profile via dispatch to FoldingSetTrait<T>::Profile().

Removed FoldingSetNodeID::AddAPFloat and FoldingSetNodeID::APInt, as their
functionality is now replaced using the above mentioned member template.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46957 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-11 17:24:50 +00:00
Duncan Sands
04feb51886 Add arbitrary integer support to getRegisterType and 
getNumRegisters.  This is needed for calling functions
with apint parameters or return values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46956 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-11 11:09:23 +00:00
Wojciech Matyjewicz
e3320a1bcc Fix PR1798 - an error in the evaluation of SCEVAddRecExpr at an 
arbitrary iteration.

The patch:
1) changes SCEVSDivExpr into SCEVUDivExpr,
2) replaces PartialFact() function with BinomialCoefficient(); the 
computations (essentially, the division) in BinomialCoefficient() are 
performed with the apprioprate bitwidth necessary to avoid overflow; 
unsigned division is used instead of the signed one.

Computations in BinomialCoefficient() require support from the code 
generator for APInts. Currently, we use a hack rounding up the 
neccessary bitwidth to the nearest power of 2. The hack is easy to turn 
off in future.

One remaining issue: we assume the divisor of the binomial coefficient 
formula can be computed accurately using 16 bits. It means we can handle 
AddRecs of length up to 9. In future, we should use APInts to evaluate 
the divisor.

Thanks to Nicholas for cooperation!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46955 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-11 11:03:14 +00:00
Duncan Sands
0753fc1850 Add a isBigEndian method to complement isLittleEndian. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46954 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-11 10:37:04 +00:00
Evan Cheng
431bfcbe37 Determine whether a spill kills the register it's spilling before insertion rather than trying to undo the kill marker afterwards. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46953 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-11 08:30:52 +00:00
Chris Lattner
786cb7e446 tweaks from dale. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46952 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-11 07:27:21 +00:00
Chris Lattner
db401e900a updates from Evan 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46951 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-11 07:21:08 +00:00
Nate Begeman
14d12caf1d Enable SSE4 codegen and pattern matching. 
Add some notes to the README.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46949 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-11 04:19:36 +00:00
Nate Begeman
a6ed0aa8ec additional missing feature 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46948 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-11 04:16:09 +00:00
Gabor Greif
3f2a209c77 corrected some spellings 
maybe c380004 can be hyperlinked too?



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46934 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-10 20:08:16 +00:00
Chris Lattner
729eb14ae8 Various updates from Sam Bishop: 
"I have been working my way through the JIT and Kaleidoscope tutorials in my
(minuscule) spare time.  Thanks again for writing them!  I have attached a
patch containing some minor changes, ranging from spelling and grammar fixes
to adding a "Next: <next tutorial section>" hyperlink to the bottom of each
page.

Every page has been given the "next link" treatment, but otherwise I'm only
half way through the Kaleidoscope tutorial.  I will send a follow-on patch
if time permits."



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46933 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-10 19:11:04 +00:00
Chris Lattner
916c954bf2 Fix scalarrepl to not 'miscompile' undefined code, part #2. 
This fixes the store case, my previous patch just fixed the load
case.  rdar://5707076.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46932 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-10 19:05:37 +00:00
Nate Begeman
ab5d56c6b9 xmm0 variable blends 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46931 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-10 18:47:57 +00:00
Dan Gohman
6f0d024a53 Rename MRegisterInfo to TargetRegisterInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46930 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-10 18:45:23 +00:00
Chris Lattner
6bbba6691e close an li tag 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46929 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-10 17:52:05 +00:00
Duncan Sands
f74c0ccc7d Add some Ada info and correct a few buglets. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46928 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-10 13:40:55 +00:00
Duncan Sands
d885dbdf9e Add truncate and AssertZext result expansion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46926 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-10 10:08:52 +00:00
Chris Lattner
a900d17580 remove the in progress marker. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46925 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-10 08:19:35 +00:00
Chris Lattner
8170c107fe validation fixes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46924 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-10 08:18:42 +00:00
Chris Lattner
f304ffcb4c final set of major updates 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46923 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-10 08:17:19 +00:00
Bill Wendling
91b9ad1824 Return "(c1 + c2)" instead of yet another ADD node (which made this a 
no-op).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46922 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-10 08:10:24 +00:00
Chris Lattner
acce85def4 more prose, some organization improvements. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46921 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-10 07:46:44 +00:00
Chris Lattner
b4c68cd62c random notes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46920 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-10 07:04:35 +00:00
Chris Lattner
be036a94c3 add anote 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46918 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-10 01:01:35 +00:00
Nick Lewycky
16b0bd6c83 Match GCC's behaviour for these sections. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46916 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-10 00:03:54 +00:00