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Author SHA1 Message Date
Bruno Cardoso Lopes
5a4d1d0fd3 Some Mips minor fixes 
Added support for mips little endian arch => mipsel

llvm-svn: 51923
 2008-06-04 01:45:25 +00:00
Owen Anderson
f9c76de0bb We need to subtract one from this index because live ranges are open at the end. 
llvm-svn: 51922
 2008-06-04 00:38:56 +00:00
Scott Michel
38dc44ecab Fix spellnig error 
llvm-svn: 51917
 2008-06-03 19:13:20 +00:00
Owen Anderson
3f738eb65b Testcase for LoopIndexSplit and DomFrontier. 
llvm-svn: 51916
 2008-06-03 18:32:27 +00:00
Owen Anderson
2a072a6923 LoopIndexSplit can sometimes result in cases where a block in its own domfrontier. 
Don't crash when we encounter one of these.

llvm-svn: 51915
 2008-06-03 18:29:48 +00:00
Dale Johannesen
5b060922a3 Expand documentation of StringConstantPrefix. 
llvm-svn: 51911
 2008-06-03 18:15:03 +00:00
Dale Johannesen
2803c991a5 Prevent a crash in debug dumps. 
llvm-svn: 51910
 2008-06-03 18:14:29 +00:00
Dale Johannesen
c0cd6cd4d4 Add StringConstantPrefix to control what the 
assembler names of string constants look like.

llvm-svn: 51909
 2008-06-03 18:09:06 +00:00
Scott Michel
0acfa8cc1d Find a better place to output hex constants corresponding to integers. 
llvm-svn: 51904
 2008-06-03 15:39:51 +00:00
Bruno Cardoso Lopes
dbf310acbc Fixed bug in bad behavior in calculateFrameObjectOffsets, 
the solution commited is different from the previous patch to
avoid int and unsigned comparison

llvm-svn: 51899
 2008-06-03 08:46:59 +00:00
Evan Cheng
cbb64ece8a Do not run loop-aligner at -fast (e.g. -O0). 
llvm-svn: 51898
 2008-06-03 06:56:08 +00:00
Scott Michel
5c7e594b97 Revert this patch 
llvm-svn: 51897
 2008-06-03 06:18:19 +00:00
Dan Gohman
9562f7f0c8 nounwindify. 
llvm-svn: 51893
 2008-06-03 01:21:11 +00:00
Devang Patel
edc62adcd9 "Unable to schedule <A> required by <B>" is more helpful then 
"Unable to handle Pass that requires lower level Analysis pass"

llvm-svn: 51892
 2008-06-03 01:20:02 +00:00
Devang Patel
390d72740e Add debugging aid. 
llvm-svn: 51891
 2008-06-03 01:02:16 +00:00
Dan Gohman
5c60e1fdff Fix whitespace in whitespace-significant pseudocode in a comment. 
llvm-svn: 51890
 2008-06-03 00:57:21 +00:00
Dan Gohman
fbf0f6cf8e Constant folding for insertvalue and extractvalue. 
llvm-svn: 51889
 2008-06-03 00:15:20 +00:00
Devang Patel
b1798d2be0 Update dom tree. Fix PR 2372. 
llvm-svn: 51887
 2008-06-02 22:52:56 +00:00
Dan Gohman
626f8e4454 Fold adds and subtracts of zero immediately, instead of waiting 
for dagcombine to do this.

llvm-svn: 51886
 2008-06-02 22:27:05 +00:00
Scott Michel
3918ece044 Minor cosmetic patch so that the hex equivalent of a decimal 
constant shows up in the assembly language output. Helps with
debugging without a HP calculator having to be handy.

llvm-svn: 51885
 2008-06-02 22:19:12 +00:00
Scott Michel
5323d58281 Add necessary 64-bit support so that gcc frontend compiles (mostly). Current 
issue is operand promotion for setcc/select... but looks like the fundamental
stuff is implemented for CellSPU.

llvm-svn: 51884
 2008-06-02 22:18:03 +00:00
Dan Gohman
5a9c2a3434 Implement CBE support for first-class structs and array values, 
and insertvalue and extractvalue instructions.

First-class array values are not trivial because C doesn't
support them. The approach I took here is to wrap all arrays
in structs. Feedback is welcome.

The 2007-01-15-NamedArrayType.ll test needed to be modified
because it has a "not grep" for a string that now exists,
because array types now have associated struct types, and
those struct types have names.

llvm-svn: 51881
 2008-06-02 21:30:49 +00:00
Dan Gohman
0af6616fbb Update the polygen grammer for the new insertvalue and extractvalue syntax. 
llvm-svn: 51879
 2008-06-02 19:47:09 +00:00
Chris Lattner
3e1cd5c9bf Remove unneeded code I added. 
llvm-svn: 51878
 2008-06-02 18:39:07 +00:00
Dan Gohman
385b7d76ed Fix the position of MemOperands in nodes that use variadic_ops 
in DAGISelEmitter output. This bug was recently uncovered by the
addition of patterns for CALL32m and CALL64m, which are nodes
that now have both MemOperands and variadic_ops.

This bug was especially visible with PIC in various configurations,
because the new patterns are matching the indirect call code used
in many PIC configurations.

llvm-svn: 51877
 2008-06-02 17:40:38 +00:00
Owen Anderson
54660d1fcf Correctly handle removed instructions at the beginning of MBBs when renumbering. 
llvm-svn: 51876
 2008-06-02 17:36:36 +00:00
Wojciech Matyjewicz
06e4c8a420 Fixes PR2395. Looking for a constant in a GEP tail (when the first GEP 
is longer than the second one) should stop after finding one. Added break 
instruction guarantees it. It also changes difference between offsets to 
absolute value of this difference in the condition.

llvm-svn: 51875
 2008-06-02 17:26:12 +00:00
Steve Naroff
e79dd8c21a update vc configure project for renaming of 
hash_map/hash_set/iterator to have a .h suffix.

llvm-svn: 51867
 2008-06-02 16:37:36 +00:00
Rafael Espindola
feec40a71f Don't use the GOT for symbols that are not externally visible. 
llvm-svn: 51865
 2008-06-02 07:52:43 +00:00
Chris Lattner
ea60f0ccc3 move CannotBeNegativeZero to ValueTracking. Simplify some signbit comparisons. 
llvm-svn: 51864
 2008-06-02 01:29:46 +00:00
Chris Lattner
4960857273 move ComputeMaskedBits, MaskedValueIsZero, and ComputeNumSignBits 
out of instcombine into a new file in libanalysis.  This also teaches
ComputeNumSignBits about the number of sign bits in a constantint.

llvm-svn: 51863
 2008-06-02 01:18:21 +00:00
Owen Anderson
7700de3137 Fix two issues that Eli Friedman pointed out, where would misoptimized code like: 
char a[200];
init(a, a+200);

OR

int a[200];
char* b = (char*)a;
char* c = (char*)a;
foo(b, c);

llvm-svn: 51850
 2008-06-01 22:26:26 +00:00
Owen Anderson
d194f76cb4 Test for PR2401 
llvm-svn: 51849
 2008-06-01 21:55:55 +00:00
Owen Anderson
00e422b2ea Don't remove the memcpy when call slot substitution fails. 
llvm-svn: 51848
 2008-06-01 21:52:16 +00:00
Owen Anderson
ee111c28b8 Remember to update the reverse non-local cache when cleaning up dirty entries. This fixes PR2397. 
llvm-svn: 51846
 2008-06-01 21:03:52 +00:00
Owen Anderson
67a1d5ec35 Make ping more aggressive in finding nonlocal caching errors. 
llvm-svn: 51845
 2008-06-01 20:51:41 +00:00
Chris Lattner
0e6bb31def add a predicate. 
llvm-svn: 51842
 2008-06-01 18:09:04 +00:00
Anton Korobeynikov
4cdd9d48ac Initialize members properly during construction 
llvm-svn: 51841
 2008-06-01 16:22:49 +00:00
Duncan Sands
d14212a3e1 When simplifying a call to a bitcast function, tighten up 
the conditions for performing the transform when only the
function declaration is available: no longer allow turning
i32 into i64 for example.  Only allow changing between
pointer types, and between pointer types and integers of
the same size.  For return values ptr -> intptr was already
allowed; I added ptr -> ptr and intptr -> ptr while there.
As shown by a recent objc testcase, changing the way
parameters/return values are passed can be fatal when calling
code written in assembler that directly manipulates call
arguments and return values unless the transform has no
impact on the way they are passed at the codegen level.
While it is possible to imagine an ABI that treats integers
of pointer size differently to pointers, I don't think LLVM
supports any so the transform should now be safe while still
being useful.

llvm-svn: 51834
 2008-06-01 07:38:42 +00:00
Bruno Cardoso Lopes
e5b4a0d794 Fixed flag issue that was generating infinite loop while in list scheduling. 
llvm-svn: 51833
 2008-06-01 03:49:39 +00:00
Nick Lewycky
8331fc08d8 Add a standard for control-flow unreachable assertions in functions that return 
values, so as to avoid warnings on some platforms.

llvm-svn: 51831
 2008-05-31 23:54:55 +00:00
Chris Lattner
da1e2c8fa3 update this patch to handle an extraneous &1. This should be pulled 
into the 2.3 release branch.

llvm-svn: 51824
 2008-05-31 19:50:53 +00:00
Dan Gohman
06d49b3c5b AsmWriter support for insertvalue/extractvalue. These instructions can 
now round-trip through assembly and bitcode.

llvm-svn: 51823
 2008-05-31 19:12:39 +00:00
Dan Gohman
1e195a735e Improved bitcode support for insertvalue/extractvalue. 
llvm-svn: 51822
 2008-05-31 19:11:15 +00:00
Dan Gohman
9ca8f65a00 Fix a copy+paste error in a comment. 
llvm-svn: 51821
 2008-05-31 19:09:47 +00:00
Dan Gohman
caa9c6e94d Fix some bugs with the handling of indices in insertvalue/extractvalue. 
llvm-svn: 51820
 2008-05-31 19:09:08 +00:00
Nick Lewycky
1bcd80adf7 Peer through sext/zext when looking for not(cmp). 
llvm-svn: 51819
 2008-05-31 19:01:33 +00:00
Nick Lewycky
566baa2c72 Yay us! Every one of these examples turns into icmp/zext/ret. 
llvm-svn: 51818
 2008-05-31 18:20:26 +00:00
Nick Lewycky
b30afdb62b Add more i1 optimizations. add, sub, mul, s/udiv on i1 are now simplified away. 
llvm-svn: 51817
 2008-05-31 17:59:52 +00:00
Nick Lewycky
cdcdcddc85 Adding i1 is always Xor. 
llvm-svn: 51816
 2008-05-31 17:10:28 +00:00