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Author SHA1 Message Date
Rafael Espindola
1cab858a5c Reduce indentation and remove commented out code. 
llvm-svn: 123729
 2011-01-18 04:36:06 +00:00
Cameron Zwarich
62a9d4d454 Remove some now-unused DominanceFrontier methods. 
llvm-svn: 123726
 2011-01-18 04:21:57 +00:00
Cameron Zwarich
c93f994801 Remove code for updating dominance frontiers and some outdated references to 
dominance and post-dominance frontiers.

llvm-svn: 123725
 2011-01-18 04:11:31 +00:00
Cameron Zwarich
e39e476305 Remove outdated references to dominance frontiers. 
llvm-svn: 123724
 2011-01-18 03:53:26 +00:00
Daniel Dunbar
ba39b2fdc1 McARM: Start marking T2 address operands as such, for the benefit of the parser. 
llvm-svn: 123722
 2011-01-18 03:06:03 +00:00
Daniel Dunbar
b8debfe450 Formatting tweak. 
llvm-svn: 123718
 2011-01-18 01:59:30 +00:00
Daniel Dunbar
d4e20df45a Support/CommandLine: Add "Did you mean" print for mismatched operands. 
llvm-svn: 123717
 2011-01-18 01:59:24 +00:00
Eric Christopher
e8aa8b114f The stub routine that we're calling uses test and so clobbers 
the flags.

llvm-svn: 123712
 2011-01-18 01:37:20 +00:00
Chris Lattner
047388c197 minor change to rafael's recent patches: if something is 
constant but requires a unique address, we can still put it in a
readonly section, just not a mergable one.

llvm-svn: 123711
 2011-01-18 01:23:44 +00:00
Jeffrey Yasskin
5f5e1f5ef1 Remove unused variables found by gcc-4.6's -Wunused-but-set-variable. 
llvm-svn: 123707
 2011-01-18 00:51:23 +00:00
Stuart Hastings
f5f8318eb6 Remove checking that prevented overlapping CALLSEQ_START/CALLSEQ_END 
ranges, add legalizer support for nested calls.  Necessary for ARM
byval support.  Radar 7662569.

llvm-svn: 123704
 2011-01-18 00:09:27 +00:00
NAKAMURA Takumi
04e2fe7fd0 Windows/PathV2.inc: For CryptAcquireContext(), CRYPT_VERIFYCONTEXT may be specified for easy use. 
llvm-svn: 123687
 2011-01-17 22:41:34 +00:00
NAKAMURA Takumi
bfd623d7e5 Windows/PathV2.inc: MoveFileEx() can behave like Posix's mv(1) to specify MOVEFILE_COPY_ALLOWED | MOVEFILE_REPLACE_EXISTING. 
llvm-svn: 123686
 2011-01-17 22:41:25 +00:00
NAKAMURA Takumi
6a74aa16c3 lib/Support/Windows/Signals.inc: "Showstopper" dialogs may be suppressed with SetErrorMode() on Windows 7. 
llvm-svn: 123685
 2011-01-17 22:41:15 +00:00
Owen Anderson
b315a60d0f Remove dead code, that I apparently wrote a while back. We seem to be doing well enough 
without whatever this was trying to do.  When/if someone has the time to do some empirical
evaluations, it might be worth it to figure out what this code was trying to do and see if
it's worth resurrecting/fixing.

llvm-svn: 123684
 2011-01-17 22:39:54 +00:00
Douglas Gregor
49f7d8c38c Add a missing <cctype> include, from Joerg Sonnenberger! 
llvm-svn: 123670
 2011-01-17 19:17:01 +00:00
Jim Grosbach
a55f759249 Trailing whitespace. 
llvm-svn: 123665
 2011-01-17 18:34:03 +00:00
Benjamin Kramer
869dc645f1 Fix an off-by-one error in ctpop combining. 
llvm-svn: 123664
 2011-01-17 18:00:28 +00:00
Devang Patel
ec7c842bfa Update tests to accomodate unnamed_addr introduction. 
llvm-svn: 123663
 2011-01-17 17:54:17 +00:00
Cameron Zwarich
0a1975802e Roll r123609 back in with two changes that fix test failures with expensive 
checks enabled:

1) Use '<' to compare integers in a comparison function rather than '<='.

2) Use the uniqued set DefBlocks rather than Info.DefiningBlocks to initialize
the priority queue.

The speedup of scalarrepl on test-suite + SPEC2000 + SPEC2006 is a bit less, at
just under 16% rather than 17%.

llvm-svn: 123662
 2011-01-17 17:38:41 +00:00
Devang Patel
0e3796a7a0 Revert rr123550. It causes clang build failure on darwin9. 
llvm-svn: 123661
 2011-01-17 17:34:43 +00:00
Michael J. Spencer
d076942763 Archive: Fix temp path names. 
llvm-svn: 123660
 2011-01-17 16:43:30 +00:00
Oscar Fuentes
512d8eb82a Add some platform checks. Also fix a typo on a Makefile. 
Patch by arrowdodger!

llvm-svn: 123659
 2011-01-17 16:35:14 +00:00
Michael J. Spencer
30124fea1f Support/raw_ostream: Fix uninitalized variable in raw_fd_ostream constructor. 
llvm-svn: 123643
 2011-01-17 15:53:12 +00:00
Jay Foad
599c83ed66 Remove useless Tag enumeration. 
llvm-svn: 123623
 2011-01-17 15:18:06 +00:00
Kalle Raiskila
7401b2a1db Split up RotateShift itinerary in SPU. 
'rotq*' and 'shlq*' instructions go to the odd pipeline,
wheras the inter-vector equivalents 'rot*', 'shl*' go 
to the even.

llvm-svn: 123622
 2011-01-17 13:33:19 +00:00
Benjamin Kramer
e9488ed8eb Add a DAGCombine to turn (ctpop x) u< 2 into (x & x-1) == 0. 
This shaves off 4 popcounts from the hacked 186.crafty source.

This is enabled even when a native popcount instruction is available. The
combined code is one operation longer but it should be faster nevertheless.

llvm-svn: 123621
 2011-01-17 12:04:57 +00:00
Kalle Raiskila
8eaf0e83d5 Don't crash SPU BE with memory accesses with big alignmnet. 
llvm-svn: 123620
 2011-01-17 11:59:20 +00:00
Evan Cheng
53ec6fc591 Materialize GA addresses with movw + movt pairs for Darwin in PIC mode. e.g. 
movw    r0, :lower16:(L_foo$non_lazy_ptr-(LPC0_0+4))
        movt    r0, :upper16:(L_foo$non_lazy_ptr-(LPC0_0+4))
LPC0_0:
        add     r0, pc, r0

It's not yet enabled by default as some tests are failing. I suspect bugs in
down stream tools.

llvm-svn: 123619
 2011-01-17 08:03:18 +00:00
Cameron Zwarich
77e381e302 Roll out r123609 due to failures on the llvm-x86_64-linux-checks bot. 
llvm-svn: 123618
 2011-01-17 07:26:51 +00:00
Francois Pichet
2ce858a943 Suppress warning "switch statement contains 'default' but no 'case' labels" on MSVC. 
llvm-svn: 123610
 2011-01-17 02:07:17 +00:00
Cameron Zwarich
e35642342b Eliminate the use of dominance frontiers in PromoteMemToReg. In addition to 
eliminating a potentially quadratic data structure, this also gives a 17%
speedup when running -scalarrepl on test-suite + SPEC2000 + SPEC2006. My initial
experiment gave a greater speedup around 25%, but I moved the dominator tree
level computation from dominator tree construction to PromoteMemToReg.

Since this approach to computing IDFs has a much lower overhead than the old
code using precomputed DFs, it is worth looking at using this new code for the
second scalarrepl pass as well.

llvm-svn: 123609
 2011-01-17 01:08:59 +00:00
Michael J. Spencer
861d5122e2 UnRevert "Revert "Archive: Replace all internal uses of PathV1 with PathV2. The external API still uses PathV1."" 
llvm-svn: 123605
 2011-01-16 23:39:59 +00:00
Michael J. Spencer
4e4cb59457 Fix rename. 
llvm-svn: 123604
 2011-01-16 22:18:41 +00:00
Nick Lewycky
8f0b243661 Test for lazy value info's ability to prove the absense of NULLs in pointers. 
llvm-svn: 123601
 2011-01-16 21:57:20 +00:00
Michael J. Spencer
3ea4ed2e6b Make everyone happy this time. 
llvm-svn: 123599
 2011-01-16 21:34:34 +00:00
Anton Korobeynikov
2a9d9ef36f Provide instruction sizes for ARMv5 variants of MUL instructions. 
This fixes PR8987

llvm-svn: 123598
 2011-01-16 21:28:33 +00:00
Anders Carlsson
d0103ebf92 Update README.txt to remove the DAE enhancement. 
llvm-svn: 123597
 2011-01-16 21:26:15 +00:00
Anders Carlsson
c9781e5764 Teach DAE to look for functions whose arguments are unused, and change all callers to pass in an undefvalue instead. 
llvm-svn: 123596
 2011-01-16 21:25:33 +00:00
Michael J. Spencer
7663111de0 UnRevert "Revert the archive part of "Support/PathV2: Add identify_magic."" 
This reverts commit dd103021a889a986a181ce36ed7b0e8dc9b645e1.

llvm-svn: 123595
 2011-01-16 21:13:51 +00:00
Michael J. Spencer
b0510b04d5 Try and fix this test. For some reason llvm-ar thinks that the file exists when 
it shouldn't, but I have no way to verify that it doesn't actually exist on the
buildbot.

llvm-svn: 123594
 2011-01-16 20:52:58 +00:00
Michael J. Spencer
29fdfe200e Revert the archive part of "Support/PathV2: Add identify_magic." 
llvm-svn: 123593
 2011-01-16 19:56:42 +00:00
Rafael Espindola
9afb7af08a Update tests. 
llvm-svn: 123591
 2011-01-16 18:02:57 +00:00
Chris Lattner
2f902bc3b1 tidy up a comment, as suggested by duncan 
llvm-svn: 123590
 2011-01-16 17:46:19 +00:00
Rafael Espindola
7933fffe38 Only put unnamed_addr constants in mergeable sections. Fixes PR8297. 
llvm-svn: 123585
 2011-01-16 17:19:34 +00:00
Rafael Espindola
41852873f7 Don't merge two constants if we care about the address of both. 
This fixes the original testcase in PR8927. It also causes a clang
binary built with a patched clang to increase in size by 0.21%.

We can probably get some of the size back by writing a pass that
detects that a global never has its pointer compared and adds
unnamed_addr to it (maybe extend global opt). It is also possible that
there are some other cases clang could add unnamed_addr to.

I will investigate extending globalopt next.

llvm-svn: 123584
 2011-01-16 17:05:09 +00:00
Jay Foad
aa0d059b67 Simplify the construction and destruction of Uses. Simplify 
User::dropHungOffUses().

llvm-svn: 123580
 2011-01-16 15:30:52 +00:00
Owen Anderson
b86db71ad0 Reduce and merge testcases. 
llvm-svn: 123579
 2011-01-16 09:13:31 +00:00
Chris Lattner
dde85de90f fix PR8514, a bug where the "heroic" transformation of shift/and 
into and/shift would cause nodes to move around and a dangling pointer
to happen.  The code tried to avoid this with a HandleSDNode, but 
got the details wrong.

llvm-svn: 123578
 2011-01-16 08:48:11 +00:00
Jay Foad
26d5f31cc9 Remove unnecessary specialization OperandTraits<User>. 
llvm-svn: 123577
 2011-01-16 08:23:16 +00:00