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Author SHA1 Message Date
Dan Gohman
b91bef08a7 Add titles to the various SelectionDAG viewGraph calls 
that include useful information like the name of the
block being viewed and the current phase of compilation.

llvm-svn: 53872
 2008-07-21 20:00:07 +00:00
Dan Gohman
8762ce04fd Make the GraphWriter be more consistent about the string 
used for the graph "title" and the graph "label", as there
are differences in interpretation of these strings
between viewers.

llvm-svn: 53871
 2008-07-21 19:57:57 +00:00
Dan Gohman
8a07776d39 Fix uses of underscore-capital names. 
llvm-svn: 53870
 2008-07-21 19:48:15 +00:00
Bruno Cardoso Lopes
e6a9345187 Added initial support for small sections on Mips. 
Added gp_rel relocations to support addressing small section contents.
Added command line to specify small section threshold in bytes.

llvm-svn: 53869
 2008-07-21 18:52:34 +00:00
Dan Gohman
8f718c75f0 Now that the MachineInstr leaks are fixed, enable leak checking 
in the MachineInstr clone code.

llvm-svn: 53868
 2008-07-21 18:47:29 +00:00
Bill Wendling
172aebf7b0 Temporary hack to build with GCC 4.0 instead of 4.2. 
llvm-svn: 53860
 2008-07-21 18:33:09 +00:00
Anton Korobeynikov
78bab0e7f2 Use better variable names 
llvm-svn: 53859
 2008-07-21 18:29:23 +00:00
Anton Korobeynikov
3d4c55bb7a Don't use larger alignment. 
llvm-svn: 53857
 2008-07-21 18:25:17 +00:00
Duncan Sands
6e31474e71 Add VerifyNode, a place to put sanity checks on 
generic SDNode's (nodes with their own constructors
should do sanity checking in the constructor).  Add
sanity checks for BUILD_VECTOR and fix all the places
that were producing bogus BUILD_VECTORs, as found by
"make check".  My favorite is the BUILD_VECTOR with
only two operands that was being used to build a
vector with four elements!

llvm-svn: 53850
 2008-07-21 10:20:31 +00:00
Evan Cheng
ffd51ccf6b Use movaps instead of movups to spill 16-byte vector values when default alignment is >= 16. This fixes some massive performance regressions. 
llvm-svn: 53844
 2008-07-21 06:34:17 +00:00
Nick Lewycky
cc7b41c130 Revert r53812 -- premature. LegalizeTypes isn't actually on yet! 
llvm-svn: 53816
 2008-07-21 04:03:00 +00:00
Nick Lewycky
ea4a155439 Switch on the use of arbitrary precision integers in scalar evolution. This will 
bail after 256-bits to avoid producing code that the backends can't handle.
Previously, we capped it at 64-bits, preferring to miscompile in those cases.

This change also reverts much of r52248 because the invariants the code was
expecting are now being met.

llvm-svn: 53812
 2008-07-21 02:51:31 +00:00
Wojciech Matyjewicz
f9ef4917c9 This header isn't necessary now. 
llvm-svn: 53811
 2008-07-20 17:35:32 +00:00
Wojciech Matyjewicz
eea926ec20 Fix PR2088. Use modulo linear equation solver to compute loop iteration 
count.

llvm-svn: 53810
 2008-07-20 15:55:14 +00:00
Cedric Venet
c7ec8ee730 Updated VC++ projects 
llvm-svn: 53809
 2008-07-20 12:04:49 +00:00
Bill Wendling
98b6e63176 Fix for first part of PR2562. Generate the "pinsrw" instruction for inserts 
into v4i16 vectors.

llvm-svn: 53807
 2008-07-20 02:32:23 +00:00
Bill Wendling
73f5ecdbea Pull r53795 from Gaz into mainline: 
If .loc and .file aren't used, always emit the "debug_line" section. This
requires at least one entry in the line matrix. So if there's nothing to emit
into the matrix, emit an end of matrix value anyway.

llvm-svn: 53803
 2008-07-20 00:11:19 +00:00
Anton Korobeynikov
b49440f266 Unbreak build: 'DarwinTargetAsmInfo' was already taken as PPC TAI flavour. 
llvm-svn: 53801
 2008-07-19 21:44:57 +00:00
Duncan Sands
ad24fa3ff4 Make sure custom lowering for LegalizeTypes 
returns a node with the right number of
return values.  This fixes codegen of
Generic/cast-fp.ll, Generic/fp_to_int.ll
and PowerPC/multiple-return-values.ll
when using -march=ppc32 -mattr=+64bit.

llvm-svn: 53794
 2008-07-19 16:26:02 +00:00
Nick Lewycky
13166526c5 XFAIL this test. 
llvm-svn: 53793
 2008-07-19 15:52:06 +00:00
Wojciech Matyjewicz
852a8f47f1 While testing particular algorithms to compute loop iteration count the brute 
force evaluation (ComputeIterationCountExhaustively) should be turned off.

It doesn't apply to trip-count2.ll because this file tests the brute force
evaluation.

The test for PR2364 (2008-05-25-NegativeStepToZero.ll) currently fails
showing that the patch for this bug doesn't work. I'll fix it in a few hours
with a patch for PR2088.

llvm-svn: 53792
 2008-07-19 13:26:15 +00:00
Anton Korobeynikov
cab6b6d44d Use chars, where possible 
llvm-svn: 53791
 2008-07-19 13:16:32 +00:00
Anton Korobeynikov
099f340556 Switch MIPS to new ELFTargetAsmInfo. Add few FIXMEs. 
llvm-svn: 53790
 2008-07-19 13:16:11 +00:00
Anton Korobeynikov
449fb584e4 Fix a FIXME :) 
llvm-svn: 53789
 2008-07-19 13:15:46 +00:00
Anton Korobeynikov
5c0eb7e991 Use generic ELFTargetAsmInfo and DarwinTargetAsmInfo for X86 code 
llvm-svn: 53788
 2008-07-19 13:15:21 +00:00
Anton Korobeynikov
5298428cff Add TargetAsmInfo stuff for all darwin-based targets 
llvm-svn: 53787
 2008-07-19 13:14:46 +00:00
Anton Korobeynikov
3724600253 Add TargetAsmInfo for all ELF-based targets 
llvm-svn: 53786
 2008-07-19 13:14:11 +00:00
Anton Korobeynikov
6f354293fe Testcase for PR2549 
llvm-svn: 53785
 2008-07-19 06:31:12 +00:00
Anton Korobeynikov
6e00357dd6 Use aligned stack spills, where possible. This fixes PR2549. 
llvm-svn: 53784
 2008-07-19 06:30:51 +00:00
Anton Korobeynikov
583ed0eb6e Remove bogus assertion. This unbreaks mingw, where ConstantSDNode 
has alignment 8 and LoadSDNode (used as LargestT template) - 4.

llvm-svn: 53782
 2008-07-19 05:52:44 +00:00
Nick Kledzik
627baa1eea tentative definitions are default visibility 
llvm-svn: 53780
 2008-07-19 00:58:07 +00:00
Evan Cheng
5ed6b9f0ae Fix a memory leak in LiveIntervalAnalysis. 
llvm-svn: 53779
 2008-07-19 00:37:25 +00:00
Devang Patel
e40c53a846 typo. 
llvm-svn: 53778
 2008-07-18 23:47:27 +00:00
Devang Patel
9405778796 If all linker input files are native object files then lto-bugpoint is not useful. 
llvm-svn: 53777
 2008-07-18 23:46:41 +00:00
Devang Patel
c85cc2183a Start writing lto-bugpoint tool. 
llvm-svn: 53774
 2008-07-18 22:59:45 +00:00
Duncan Sands
ef45c602b6 Softfloat support for FDIV. Patch by 
Richard Pennington.

llvm-svn: 53773
 2008-07-18 21:18:48 +00:00
Duncan Sands
39da9f4a43 Eliminate unused variable. 
llvm-svn: 53772
 2008-07-18 21:07:41 +00:00
Duncan Sands
b4646d7dbe Supress a gcc-4.3 warning. 
llvm-svn: 53771
 2008-07-18 21:06:02 +00:00
Duncan Sands
3d68e2ff9c Revert 53729, after waking up in the middle of 
the night realising that it was wrong :)  I
think the reason the same type was being used
for the shufflevec of indices as for the actual
indices is so that if one of them needs splitting
then so does the other.  After my patch it might
be that the indices need splitting but not the
rest, yet there is no good way of handling that.
I think the right solution is to not have the
shufflevec be an operand at all: just have it
be the list of numbers it actually is, stored
as extra info in the node.

llvm-svn: 53768
 2008-07-18 20:12:05 +00:00
Dan Gohman
b97c076af4 In the CBackend, use casts to force integer add, subtract, and 
multiply to be done as unsigned, so that they have well defined
behavior on overflow. This fixes PR2408.

llvm-svn: 53767
 2008-07-18 18:43:12 +00:00
Dan Gohman
e119f3db46 Fix a LocalSpiller leak. This fixes tramp3d-v4. 
llvm-svn: 53766
 2008-07-18 18:28:56 +00:00
Owen Anderson
8500aba55a Make PRE actually handle critical edges (by splitting them). Confirmed that bootstrap passes with this change. 
llvm-svn: 53762
 2008-07-18 18:03:38 +00:00
Owen Anderson
bba5ddaf0f Reapply r53735. My last patch fixed the failures Dan observed. 
llvm-svn: 53761
 2008-07-18 17:49:43 +00:00
Owen Anderson
736e4b3a3f Add some checks that got lost in the shuffle. This fixes 464.h264ref. 
llvm-svn: 53760
 2008-07-18 17:46:41 +00:00
Dan Gohman
4dc7526774 Revert r53735. It broke SPEC 464.h264ref. 
llvm-svn: 53757
 2008-07-18 16:44:49 +00:00
Chris Lattner
0429684d2d verify limits-fndefn.c from the GCC testsuite before the 
heat death of the universe, fixing an O(N^2) problem in the
size of a basic block.

llvm-svn: 53749
 2008-07-18 05:23:39 +00:00
Dan Gohman
f38f99ccc5 Re-introduce LeakDetector support for MachineInstrs and MachineBasicBlocks. 
Fix a leak that this turned up in LowerSubregs.cpp.
And, comment a leak in LiveIntervalAnalysis.cpp.

llvm-svn: 53746
 2008-07-17 23:49:46 +00:00
Dan Gohman
c666c01e65 When printing MemOperand nodes, only use print() for 
PseudoSourceValue values, which never have names. Use getName()
for all other values, because we want to print just a short summary
of the value, not the entire instruction.

llvm-svn: 53738
 2008-07-17 21:12:16 +00:00
Owen Anderson
8e971c22fd Use MergeBlockIntoPredecessor to simplify some code. 
llvm-svn: 53735
 2008-07-17 20:00:46 +00:00
Evan Cheng
d26080487b Subreg live interval valno may not have a corresponding def machineinstr since it's less precise. 
llvm-svn: 53734
 2008-07-17 19:48:53 +00:00