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Author SHA1 Message Date
Daniel Dunbar
81f453c4b9 McARM: Use a consistent marker for not-set OffsetRegNum. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123736 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-18 05:33:57 +00:00
Cameron Zwarich
59f5319719 Convert a std::map to a DenseMap for another 1.7% speedup on -scalarrepl. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123732 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-18 04:50:38 +00:00
Cameron Zwarich
443997de8b Make a std::vector a SmallVector<*, 32> like the other vectors in the same 
function. This seems to be about a 1.5% speedup of -scalarrepl on test-suite
with SPEC2000 and SPEC2006.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123731 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-18 04:41:32 +00:00
Rafael Espindola
daad56a8e3 Reduce indentation and remove commented out code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123729 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-18 04:36:06 +00:00
Cameron Zwarich
72d1695f12 Remove some now-unused DominanceFrontier methods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123726 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-18 04:21:57 +00:00
Cameron Zwarich
301278719b Remove code for updating dominance frontiers and some outdated references to 
dominance and post-dominance frontiers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123725 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-18 04:11:31 +00:00
Cameron Zwarich
b1686c32fc Remove outdated references to dominance frontiers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123724 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-18 03:53:26 +00:00
Daniel Dunbar
2e3cea3153 McARM: Start marking T2 address operands as such, for the benefit of the parser. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123722 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-18 03:06:03 +00:00
Daniel Dunbar
55b5e85643 Formatting tweak. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123718 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-18 01:59:30 +00:00
Daniel Dunbar
f4fb66acae Support/CommandLine: Add "Did you mean" print for mismatched operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123717 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-18 01:59:24 +00:00
Eric Christopher
cdfe3c359b The stub routine that we're calling uses test and so clobbers 
the flags.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123712 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-18 01:37:20 +00:00
Chris Lattner
32899199c0 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123711 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-18 01:23:44 +00:00
Jeffrey Yasskin
955ed73d12 Remove unused variables found by gcc-4.6's -Wunused-but-set-variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123707 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-18 00:51:23 +00:00
Stuart Hastings
f22432282c Remove checking that prevented overlapping CALLSEQ_START/CALLSEQ_END 
ranges, add legalizer support for nested calls.  Necessary for ARM
byval support.  Radar 7662569.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123704 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-18 00:09:27 +00:00
NAKAMURA Takumi
edd0924d84 Windows/PathV2.inc: For CryptAcquireContext(), CRYPT_VERIFYCONTEXT may be specified for easy use. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123687 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-17 22:41:34 +00:00
NAKAMURA Takumi
8ee48c584d Windows/PathV2.inc: MoveFileEx() can behave like Posix's mv(1) to specify MOVEFILE_COPY_ALLOWED | MOVEFILE_REPLACE_EXISTING. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123686 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-17 22:41:25 +00:00
NAKAMURA Takumi
ac25e44d89 lib/Support/Windows/Signals.inc: "Showstopper" dialogs may be suppressed with SetErrorMode() on Windows 7. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123685 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-17 22:41:15 +00:00
Owen Anderson
390b9f00eb 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123684 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-17 22:39:54 +00:00
Douglas Gregor
e735882224 Add a missing <cctype> include, from Joerg Sonnenberger! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123670 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-17 19:17:01 +00:00
Jim Grosbach
6bbf5eb32f Trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123665 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-17 18:34:03 +00:00
Benjamin Kramer
c9b6a3eb90 Fix an off-by-one error in ctpop combining. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123664 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-17 18:00:28 +00:00
Devang Patel
2522ae5922 Update tests to accomodate unnamed_addr introduction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123663 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-17 17:54:17 +00:00
Cameron Zwarich
419e8a6299 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%.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123662 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-17 17:38:41 +00:00
Devang Patel
5860c6c09e Revert rr123550. It causes clang build failure on darwin9. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123661 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-17 17:34:43 +00:00
Michael J. Spencer
02e27ed21b Archive: Fix temp path names. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123660 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-17 16:43:30 +00:00
Oscar Fuentes
3c00a83c33 Add some platform checks. Also fix a typo on a Makefile. 
Patch by arrowdodger!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123659 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-17 16:35:14 +00:00
Michael J. Spencer
2634a5425c Support/raw_ostream: Fix uninitalized variable in raw_fd_ostream constructor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123643 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-17 15:53:12 +00:00
Jay Foad
0d1941a46f Remove useless Tag enumeration. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123623 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-17 15:18:06 +00:00
Kalle Raiskila
9dcb98cbe7 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123622 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-17 13:33:19 +00:00
Benjamin Kramer
d822892455 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123621 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-17 12:04:57 +00:00
Kalle Raiskila
8702e8be8d Don't crash SPU BE with memory accesses with big alignmnet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123620 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-17 11:59:20 +00:00
Evan Cheng
5de5d4b6d0 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123619 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-17 08:03:18 +00:00
Cameron Zwarich
b1086a9c6d Roll out r123609 due to failures on the llvm-x86_64-linux-checks bot. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123618 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-17 07:26:51 +00:00
Francois Pichet
119266c4ae Suppress warning "switch statement contains 'default' but no 'case' labels" on MSVC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123610 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-17 02:07:17 +00:00
Cameron Zwarich
ebed6de7b1 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123609 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-17 01:08:59 +00:00
Michael J. Spencer
e7a820c208 UnRevert "Revert "Archive: Replace all internal uses of PathV1 with PathV2. The external API still uses PathV1."" 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123605 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-16 23:39:59 +00:00
Michael J. Spencer
283d49c766 Fix rename. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123604 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-16 22:18:41 +00:00
Nick Lewycky
33d84007b5 Test for lazy value info's ability to prove the absense of NULLs in pointers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123601 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-16 21:57:20 +00:00
Michael J. Spencer
ddbb3bcdd7 Make everyone happy this time. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123599 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-16 21:34:34 +00:00
Anton Korobeynikov
1d8334eabc Provide instruction sizes for ARMv5 variants of MUL instructions. 
This fixes PR8987

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123598 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-16 21:28:33 +00:00
Anders Carlsson
5822b86e4d Update README.txt to remove the DAE enhancement. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123597 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-16 21:26:15 +00:00
Anders Carlsson
0599c6bb3c Teach DAE to look for functions whose arguments are unused, and change all callers to pass in an undefvalue instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123596 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-16 21:25:33 +00:00
Michael J. Spencer
3c98e14bc9 UnRevert "Revert the archive part of "Support/PathV2: Add identify_magic."" 
This reverts commit dd103021a8.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123595 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-16 21:13:51 +00:00
Michael J. Spencer
6990433b56 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123594 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-16 20:52:58 +00:00
Michael J. Spencer
dd103021a8 Revert the archive part of "Support/PathV2: Add identify_magic." 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123593 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-16 19:56:42 +00:00
Rafael Espindola
1c10db3da9 Update tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123591 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-16 18:02:57 +00:00
Chris Lattner
396a0567cf tidy up a comment, as suggested by duncan 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123590 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-16 17:46:19 +00:00
Rafael Espindola
7010401c6b Only put unnamed_addr constants in mergeable sections. Fixes PR8297. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123585 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-16 17:19:34 +00:00
Rafael Espindola
d6e5cbc842 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123584 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-16 17:05:09 +00:00
Jay Foad
1ed26acc58 Simplify the construction and destruction of Uses. Simplify 
User::dropHungOffUses().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123580 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-16 15:30:52 +00:00