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Author SHA1 Message Date
Chris Lattner
3a73c9e5f9 Simplify code by using SwitchInst::findCaseValue instead of reimplementing it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50957 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-10 23:56:54 +00:00
Bill Wendling
c2e735359f Remove warnings when using -Wshorten-64-to-32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50952 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-10 19:59:59 +00:00
Duncan Sands
eca2f99958 Testcase for PR2303. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50951 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-10 16:43:10 +00:00
Anton Korobeynikov
caa8ae8125 Fix linking of internal aliases 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50950 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-10 14:41:43 +00:00
Bill Wendling
1b2f72912f Prevent -W64-to-32-shortened warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50947 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-10 11:26:52 +00:00
Bill Wendling
d2a5a2ae2e Prevent warnings from the -Wshorten-64-to-32 flag. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50946 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-10 10:58:07 +00:00
Gabor Greif
469a582830 remove commented-out code, it is subsumed by DECLARE_TRANSPARENT_OPERAND_ACCESSORS 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50944 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-10 09:36:58 +00:00
Gabor Greif
efe65369a7 merge of use-diet branch to trunk 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50943 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-10 08:32:32 +00:00
Owen Anderson
4982babf4a Re-enable loop deletion by default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50941 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-10 07:10:24 +00:00
Evan Cheng
50d9e7289b When transforming a vector_shuffle to a load, the base address must not be an undef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50940 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-10 06:46:49 +00:00
Tanya Lattner
49ff661410 Set to 2.4 and regenerate configure. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50935 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-10 04:20:38 +00:00
Evan Cheng
c81d50e0f7 Add nounwind. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50931 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-10 02:22:25 +00:00
Dan Gohman
9018e836fe For now, abort when an ISD::VAARG is encountered on x86-64, rather 
than silently generate invalid code.

llvm-gcc does not currently use VAArgInst; it lowers va_arg in the
front-end.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50930 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-10 01:26:14 +00:00
Evan Cheng
b70ea0bd03 Some clean up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50929 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-10 00:59:18 +00:00
Evan Cheng
25210da757 If movl top bits are undef, let it be selected to movlps, etc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50928 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-10 00:58:41 +00:00
Evan Cheng
b3e0a6d75c If all sources of a PHI node are defined by an implicit_def, just emit an implicit_def instead of a copy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50927 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-10 00:17:50 +00:00
Bill Wendling
637980edce Cosmetic changes: 
- Comment fixes.
 - Moar whitespace.
 - Made ivars "private" by default.
No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50926 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-10 00:12:52 +00:00
Evan Cheng
23573e5be6 Add a pattern to do move the low element of a v4f32 and zero extend the rest. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50922 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-09 23:37:55 +00:00
Dale Johannesen
6b8583cbf1 Remove an evil vector bool. Cosmetic refactoring, 
no functional change.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50921 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-09 23:28:24 +00:00
Evan Cheng
d880b97257 Handle a few more cases of folding load i64 into xmm and zero top bits. 
Note, some of the code will be moved into target independent part of DAG combiner in a subsequent patch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50918 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-09 21:53:03 +00:00
Evan Cheng
c6c6a3e2b3 Make OpActionsCapacity multiple of 4. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50917 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-09 21:50:23 +00:00
Dale Johannesen
6ae83faadf Rewrite tail merging algorithm to handle the 
case where there are multiple blocks with a large
number of common tail instructions more efficiently
(compile time optimization).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50916 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-09 21:24:35 +00:00
Torok Edwin
f03893acf0 put LibCallAliasAnalysis into anonymous namespace to avoid 
clashes on ::X


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50912 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-09 20:35:45 +00:00
Evan Cheng
6c17c6bafa Simplify test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50911 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-09 19:56:32 +00:00
Mikhail Glushenkov
910fd57533 Rename Example.td to Graph.td. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50910 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-09 19:11:28 +00:00
Nick Kledzik
6b89d928ed use doxygen comments for makeBuffer() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50908 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-09 18:44:41 +00:00
Chris Lattner
bfc538c09e don't sink invokes, even if they are readonly. This fixes a 
crash on kimwitu++.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50901 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-09 15:07:33 +00:00
Duncan Sands
33af59d0f0 Fix a type and formatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50900 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-09 12:20:10 +00:00
Gabor Greif
3aa8a6b08a ignore Output dirs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50899 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-09 11:56:35 +00:00
Gabor Greif
f1d1183e99 ignore AutoGenerated.inc, it is created by TableGen 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50898 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-09 11:49:54 +00:00
Gabor Greif
98687a3061 ignore Output dir 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50897 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-09 11:44:30 +00:00
Mikhail Glushenkov
8e7254cd44 Reapply 50867: A small refactoring (extract method) + some comment fixes. 
Fixed the build breakage, sorry for that.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50895 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-09 08:27:26 +00:00
Chris Lattner
4ca7913072 add support for pattern matching 'neg' 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50883 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-09 05:20:27 +00:00
Chris Lattner
7d2cbd2d43 Implement PR2298. This transforms: 
~x < ~y --> y < x
   -x == -y --> x == y



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50882 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-09 05:19:28 +00:00
Chris Lattner
94019f8e06 restore doxygen comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50881 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-09 04:43:13 +00:00
Nick Kledzik
90dcff7190 <rdar://problem/5917641> use getMemBufferCopy if supplied buffer is not already zero terminated 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50880 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-09 01:09:59 +00:00
Anton Korobeynikov
018f771398 Check for validity of aliasee pointer before dereference. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50878 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-08 23:11:06 +00:00
Evan Cheng
fd17f42bab Use movq to move low half of XMM register and zero-extend the rest. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50874 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-08 22:35:02 +00:00
Chris Lattner
748118d8aa conservatively say that volatile stores read memory. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50872 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-08 21:58:49 +00:00
Tanya Lattner
0561f78a14 Revertin 50867 since it was breaking the build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50871 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-08 21:54:20 +00:00
Chris Lattner
38818b072f store can't read from memory. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50869 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-08 21:47:43 +00:00
Mikhail Glushenkov
194a78f149 Add -E and -S options 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50868 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-08 20:02:36 +00:00
Mikhail Glushenkov
21607fa63c A small refactoring (extract method) + some comment fixes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50867 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-08 20:02:03 +00:00
Chris Lattner
76e2e4a2bc Remove dead return. Thanks to Bill for the review! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50863 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-08 18:26:56 +00:00
Gordon Henriksen
a8a118b68f Improve pass documentation and comments. 
Patch by Matthijs Kooijman!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50861 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-08 17:46:35 +00:00
Chris Lattner
2539e33893 More than just loads can read from memory: readonly calls like strlen 
also need to be checked for memory modifying instructions before we
can sink them.  THis fixes the second half of PR2297.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50860 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-08 17:37:37 +00:00
Chris Lattner
0ef546e639 Make instcombine's DSE respect loads as well as stores. It is not safe to 
delete the first store in:

store x -> p
load p
store y -> p

This is for PR2297.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50859 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-08 17:20:30 +00:00
Chris Lattner
d96288a2ff add a new Instruction::mayReadFromMemory predicate, make 
Instruction::mayWriteToMemory stronger for invokes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50858 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-08 17:16:51 +00:00
Devang Patel
d7266d484a Check linkage. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50851 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-08 15:08:39 +00:00
Duncan Sands
43b30a8287 Get exception handling working again on 64 bit 
Darwin.  This is a hack of course, but it does
at least look at the right thing: gotpcrel means
that this is already an offset, so an explicit
offset is not needed (and wrong).  I think this
is good enough for the moment: Anton is working
on something better.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50850 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-08 12:33:11 +00:00