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Author SHA1 Message Date
Scott Michel
ba12f57ebe Fix spellnig error 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51917 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-03 19:13:20 +00:00
Owen Anderson
3637981050 Testcase for LoopIndexSplit and DomFrontier. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51916 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-03 18:32:27 +00:00
Owen Anderson
269db29bdb LoopIndexSplit can sometimes result in cases where a block in its own domfrontier. 
Don't crash when we encounter one of these.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51915 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-03 18:29:48 +00:00
Dale Johannesen
bd44c2e383 Expand documentation of StringConstantPrefix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51911 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-03 18:15:03 +00:00
Dale Johannesen
24f07dc6e4 Prevent a crash in debug dumps. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51910 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-03 18:14:29 +00:00
Dale Johannesen
428ac54894 Add StringConstantPrefix to control what the 
assembler names of string constants look like.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51909 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-03 18:09:06 +00:00
Scott Michel
eefc845b5f Find a better place to output hex constants corresponding to integers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51904 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-03 15:39:51 +00:00
Bruno Cardoso Lopes
a8c63f0fc9 Fixed bug in bad behavior in calculateFrameObjectOffsets, 
the solution commited is different from the previous patch to
avoid int and unsigned comparison


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51899 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-03 08:46:59 +00:00
Evan Cheng
f73ff3aaf6 Do not run loop-aligner at -fast (e.g. -O0). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51898 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-03 06:56:08 +00:00
Scott Michel
4315eee376 Revert this patch 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51897 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-03 06:18:19 +00:00
Dan Gohman
6d9861120e nounwindify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51893 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-03 01:21:11 +00:00
Devang Patel
c0c33f5e2c "Unable to schedule <A> required by <B>" is more helpful then 
"Unable to handle Pass that requires lower level Analysis pass"


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51892 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-03 01:20:02 +00:00
Devang Patel
e62f750784 Add debugging aid. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51891 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-03 01:02:16 +00:00
Dan Gohman
c702a9ed1c Fix whitespace in whitespace-significant pseudocode in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51890 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-03 00:57:21 +00:00
Dan Gohman
6e68f59b78 Constant folding for insertvalue and extractvalue. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51889 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-03 00:15:20 +00:00
Devang Patel
2f170997b5 Update dom tree. Fix PR 2372. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51887 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-02 22:52:56 +00:00
Dan Gohman
33b625bee4 Fold adds and subtracts of zero immediately, instead of waiting 
for dagcombine to do this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51886 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-02 22:27:05 +00:00
Scott Michel
83ccc0a50c 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51885 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-02 22:19:12 +00:00
Scott Michel
8bf61e8c2a 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51884 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-02 22:18:03 +00:00
Dan Gohman
193c235850 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51881 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-02 21:30:49 +00:00
Dan Gohman
34e71fe29d Update the polygen grammer for the new insertvalue and extractvalue syntax. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51879 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-02 19:47:09 +00:00
Chris Lattner
d82e511aec Remove unneeded code I added. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51878 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-02 18:39:07 +00:00
Dan Gohman
37cdad3e59 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51877 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-02 17:40:38 +00:00
Owen Anderson
e3abb0a858 Correctly handle removed instructions at the beginning of MBBs when renumbering. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51876 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-02 17:36:36 +00:00
Wojciech Matyjewicz
98e3a6829a 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51875 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-02 17:26:12 +00:00
Steve Naroff
370a25c16a update vc configure project for renaming of 
hash_map/hash_set/iterator to have a .h suffix.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51867 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-02 16:37:36 +00:00
Rafael Espindola
da5860fa8b Don't use the GOT for symbols that are not externally visible. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51865 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-02 07:52:43 +00:00
Chris Lattner
833f25d79e move CannotBeNegativeZero to ValueTracking. Simplify some signbit comparisons. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51864 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-02 01:29:46 +00:00
Chris Lattner
173234a68f 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51863 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-02 01:18:21 +00:00
Owen Anderson
009e4f7609 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);


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51850 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-01 22:26:26 +00:00
Owen Anderson
19d4d12ee0 Test for PR2401 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51849 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-01 21:55:55 +00:00
Owen Anderson
12cb36c115 Don't remove the memcpy when call slot substitution fails. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51848 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-01 21:52:16 +00:00
Owen Anderson
6bd15ce03f Remember to update the reverse non-local cache when cleaning up dirty entries. This fixes PR2397. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51846 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-01 21:03:52 +00:00
Owen Anderson
d8f34fa3d6 Make ping more aggressive in finding nonlocal caching errors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51845 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-01 20:51:41 +00:00
Anton Korobeynikov
80b74b4348 Prune empty dirs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51844 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-01 20:11:03 +00:00
Chris Lattner
b8d0b807fc add a predicate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51842 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-01 18:09:04 +00:00
Anton Korobeynikov
12a3f8302a Initialize members properly during construction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51841 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-01 16:22:49 +00:00
Duncan Sands
f413cdfb0b 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51834 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-01 07:38:42 +00:00
Bruno Cardoso Lopes
bdbb750afe Fixed flag issue that was generating infinite loop while in list scheduling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51833 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-01 03:49:39 +00:00
Nick Lewycky
f4408e8c3e Add a standard for control-flow unreachable assertions in functions that return 
values, so as to avoid warnings on some platforms.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51831 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-31 23:54:55 +00:00
Gabor Greif
48fb19a270 updates to some svn:ignore properties 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51829 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-31 22:59:42 +00:00
Chris Lattner
76931954f8 update this patch to handle an extraneous &1. This should be pulled 
into the 2.3 release branch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51824 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-31 19:50:53 +00:00
Dan Gohman
995be7d07a AsmWriter support for insertvalue/extractvalue. These instructions can 
now round-trip through assembly and bitcode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51823 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-31 19:12:39 +00:00
Dan Gohman
0aab28bf4c Improved bitcode support for insertvalue/extractvalue. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51822 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-31 19:11:15 +00:00
Dan Gohman
8e6404180c Fix a copy+paste error in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51821 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-31 19:09:47 +00:00
Dan Gohman
35651cdf0b Fix some bugs with the handling of indices in insertvalue/extractvalue. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51820 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-31 19:09:08 +00:00
Nick Lewycky
517e1f5cd7 Peer through sext/zext when looking for not(cmp). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51819 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-31 19:01:33 +00:00
Nick Lewycky
4914db09a5 Yay us! Every one of these examples turns into icmp/zext/ret. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51818 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-31 18:20:26 +00:00
Nick Lewycky
9419ddb289 Add more i1 optimizations. add, sub, mul, s/udiv on i1 are now simplified away. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51817 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-31 17:59:52 +00:00
Nick Lewycky
fd12a0b20b Adding i1 is always Xor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51816 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-31 17:10:28 +00:00