OSDN Git Service
Edward O'Callaghan [Tue, 13 Oct 2009 01:01:38 +0000 (01:01 +0000)]
Regenerate configure for rev. 83823 putback.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83930
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Devang Patel [Mon, 12 Oct 2009 23:22:09 +0000 (23:22 +0000)]
Enable "debug info attached to an instruction" mode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83925
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Devang Patel [Mon, 12 Oct 2009 23:11:24 +0000 (23:11 +0000)]
Find enclosing subprogram info.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83922
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Devang Patel [Mon, 12 Oct 2009 23:10:55 +0000 (23:10 +0000)]
Set default location for a function if it is not set.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83921
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Kevin Enderby [Mon, 12 Oct 2009 22:51:49 +0000 (22:51 +0000)]
Fix two warnings about unused variables that are only used in assert() calls.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83917
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Bob Wilson [Mon, 12 Oct 2009 22:49:05 +0000 (22:49 +0000)]
Delete a comment that makes no sense to me. The statement that moving a CPE
before its reference is only supported on ARM has not been true for a while.
In fact, until recently, that was only supported for Thumb. Besides that,
CPEs are always a multiple of 4 bytes in size, so inserting a CPE should have
no effect on Thumb alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83916
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Kevin Enderby [Mon, 12 Oct 2009 22:39:54 +0000 (22:39 +0000)]
Fix a problem in the code where ARMAsmParser::ParseShift() second argument
should have been a pointer to a reference.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83915
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Evan Cheng [Mon, 12 Oct 2009 22:25:23 +0000 (22:25 +0000)]
Make licm debug message readable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83908
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Bob Wilson [Mon, 12 Oct 2009 21:39:43 +0000 (21:39 +0000)]
Change CreateNewWater method to return NewMBB by reference.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83905
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Bob Wilson [Mon, 12 Oct 2009 21:23:15 +0000 (21:23 +0000)]
Last week, ARMConstantIslandPass was failing to converge for the
MultiSource/Benchmarks/MiBench/automotive-susan test. The failure has
since been masked by an unrelated change (just randomly), so I don't have
a testcase for this now. Radar
7291928.
The situation where this happened is that a constant pool entry (CPE) was
placed at a lower address than the load that referenced it. There were in
fact 2 CPEs placed at adjacent addresses and referenced by 2 loads that were
close together in the code. The distance from the loads to the CPEs was
right at the limit of what they could handle, so that only one of the CPEs
could be placed within range. On every iteration, the first CPE was found
to be out of range, causing a new CPE to be inserted. The second CPE had
been in range but the newly inserted entry pushed it too far away. Thus the
second CPE was also replaced by a new entry, which in turn pushed the first
CPE out of range. Etc.
Judging from some comments in the code, the initial implementation of this
pass did not support CPEs placed _before_ their references. In the case
where the CPE is placed at a higher address, the key to making the algorithm
terminate is that new CPEs are only inserted at the end of a group of adjacent
CPEs. This is implemented by removing a basic block from the "WaterList"
once it has been used, and then adding the newly inserted CPE block to the
list so that the next insertion will come after it. This avoids the ping-pong
effect where CPEs are repeatedly moved to the beginning of a group of
adjacent CPEs. This does not work when going backwards, however, because the
entries at the end of an adjacent group of CPEs are closer than the CPEs
earlier in the group.
To make this pass terminate, we need to maintain a property that changes can
only happen in some sort of monotonic fashion. The fix used here is to require
that the CPE for a particular constant pool load can only move to lower
addresses. This is a very simple change to the code and should not cause
any significant degradation in the results.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83902
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Bob Wilson [Mon, 12 Oct 2009 20:45:53 +0000 (20:45 +0000)]
Another minor clean-up.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83897
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Chris Lattner [Mon, 12 Oct 2009 20:42:35 +0000 (20:42 +0000)]
allow this testcase to pass with recent changes. The test hasn't been
producing any stores at all for a long time, but ".store." was in some
IR instruction names until recently. This removal caused the test to
start failing. Just make it reject any stores.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83895
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Bob Wilson [Mon, 12 Oct 2009 20:37:23 +0000 (20:37 +0000)]
Remove redundant parameter.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83894
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Bob Wilson [Mon, 12 Oct 2009 19:04:03 +0000 (19:04 +0000)]
Use early exit to reduce indentation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83874
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Bob Wilson [Mon, 12 Oct 2009 19:01:12 +0000 (19:01 +0000)]
Change to return a value by reference.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83873
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Bob Wilson [Mon, 12 Oct 2009 18:52:13 +0000 (18:52 +0000)]
Add a typedef for an iterator.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83872
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Dale Johannesen [Mon, 12 Oct 2009 18:49:00 +0000 (18:49 +0000)]
Revert the kludge in 76703. I got a clean
bootstrap of FSF-style PPC, so there is some
reason to believe the original bug (which was
never analyzed) has been fixed, probably by
82266.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83871
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Dale Johannesen [Mon, 12 Oct 2009 18:45:32 +0000 (18:45 +0000)]
Fix warning.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83870
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Chris Lattner [Mon, 12 Oct 2009 18:33:33 +0000 (18:33 +0000)]
fix validation error pointed out by gabor (and the w3c :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83868
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Chris Lattner [Mon, 12 Oct 2009 18:12:47 +0000 (18:12 +0000)]
Improve bugpoint doc, patch by Timo Lindfors!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83865
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Jeffrey Yasskin [Mon, 12 Oct 2009 17:43:32 +0000 (17:43 +0000)]
Fix llvm.org/PR5160, to let CallbackVHs modify other ValueHandles on the
same Value without breaking things.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83861
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Gabor Greif [Mon, 12 Oct 2009 16:50:25 +0000 (16:50 +0000)]
another bunch of <tt>s
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83860
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Dan Gohman [Mon, 12 Oct 2009 16:44:10 +0000 (16:44 +0000)]
Remove a redundant member variable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83857
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Dan Gohman [Mon, 12 Oct 2009 16:43:44 +0000 (16:43 +0000)]
Delete some obsolete declarations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83856
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Gabor Greif [Mon, 12 Oct 2009 16:40:25 +0000 (16:40 +0000)]
even more <tt>s
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83854
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Dan Gohman [Mon, 12 Oct 2009 16:36:12 +0000 (16:36 +0000)]
Don't forget to mark RAX as live-out of the function when arranging for
it to hold the address of an sret return value, for x86-64 ABI purposes.
Also, fix the test that was originally intended to test this to actually
test it, using FileCheck.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83853
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Gabor Greif [Mon, 12 Oct 2009 16:27:44 +0000 (16:27 +0000)]
more typewriter face
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83852
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Gabor Greif [Mon, 12 Oct 2009 16:13:36 +0000 (16:13 +0000)]
fix three validation errors, I leave the fourth to sabre :-)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83851
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Gabor Greif [Mon, 12 Oct 2009 16:08:52 +0000 (16:08 +0000)]
set some options in typewriter font
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83850
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Benjamin Kramer [Mon, 12 Oct 2009 14:46:08 +0000 (14:46 +0000)]
Documentation: Perform automated correction of common typos.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83849
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Torok Edwin [Mon, 12 Oct 2009 13:37:29 +0000 (13:37 +0000)]
Fix typo, patch from Timo Juhani Lindfors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83848
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Benjamin Kramer [Mon, 12 Oct 2009 09:31:55 +0000 (09:31 +0000)]
Eliminate some redundant llvm-as calls.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83837
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Edward O'Callaghan [Mon, 12 Oct 2009 09:01:26 +0000 (09:01 +0000)]
Missing CHECK: lines makes test exit abnormally.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83835
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Edward O'Callaghan [Mon, 12 Oct 2009 08:51:28 +0000 (08:51 +0000)]
FileCheck not CheckFile, oops.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83834
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Edward O'Callaghan [Mon, 12 Oct 2009 08:46:47 +0000 (08:46 +0000)]
Convert InstCombine/call.ll to CheckFile.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83833
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Edward O'Callaghan [Mon, 12 Oct 2009 07:18:14 +0000 (07:18 +0000)]
Convert the rest of the InstCombine tests from notcast to FileCheck.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83828
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Nick Lewycky [Mon, 12 Oct 2009 06:32:42 +0000 (06:32 +0000)]
Remove this part of the test, it never actually tested anything anyways. This
unbreaks make check after evocallaghan's changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83827
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Edward O'Callaghan [Mon, 12 Oct 2009 06:23:56 +0000 (06:23 +0000)]
Fix syntax error missed in converting zext.ll test. Convert 2003-11-13-ConstExprCastCall.ll to FileCheck from notcast.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83826
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Edward O'Callaghan [Mon, 12 Oct 2009 06:14:06 +0000 (06:14 +0000)]
Convert InstCombine tests from notcast to FileCheck.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83825
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Nate Begeman [Mon, 12 Oct 2009 05:53:58 +0000 (05:53 +0000)]
More heuristics for Combiner-AA. Still catches all important cases, but
compile time penalty on gnugo, the worst case in MultiSource, is down to
about 2.5% from 30%
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83824
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Edward O'Callaghan [Mon, 12 Oct 2009 04:57:20 +0000 (04:57 +0000)]
Haiku porting patches, Credit to Paul Davey.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83823
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Chris Lattner [Mon, 12 Oct 2009 04:22:44 +0000 (04:22 +0000)]
Fix PR5087, patch by Jakub Staszak!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83822
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Chris Lattner [Mon, 12 Oct 2009 04:01:02 +0000 (04:01 +0000)]
add some more hooks to the C bindings, patch by Kenneth Uildriks!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83821
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Douglas Gregor [Mon, 12 Oct 2009 04:00:13 +0000 (04:00 +0000)]
Make ParallelJIT pthreads linking with CMake slightly less broken
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83820
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Edward O'Callaghan [Mon, 12 Oct 2009 04:00:11 +0000 (04:00 +0000)]
Fix LLVM CMake build system so that it may now work on Solaris and AuroraUX.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83819
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Chris Lattner [Mon, 12 Oct 2009 03:58:40 +0000 (03:58 +0000)]
populate instcombine's initial worklist more carefully, causing
it to visit instructions from the start of the function to the
end of the function in the first path. This greatly speeds up
some pathological cases (e.g. PR5150).
Try #3, this time with some unneeded debug info stuff removed
which was causing dead pointers to be added to the worklist.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83818
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Chris Lattner [Sun, 11 Oct 2009 23:56:08 +0000 (23:56 +0000)]
revert r83814 for now, it is making the llvm-gcc bootstrap unhappy.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83817
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Chris Lattner [Sun, 11 Oct 2009 23:19:44 +0000 (23:19 +0000)]
pic16 uses 16 bit pointers, but is 8 bit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83815
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Chris Lattner [Sun, 11 Oct 2009 23:17:43 +0000 (23:17 +0000)]
populate instcombine's initial worklist more carefully, causing
it to visit instructions from the start of the function to the
end of the function in the first path. This greatly speeds up
some pathological cases (e.g. PR5150).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83814
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Nick Lewycky [Sun, 11 Oct 2009 23:10:09 +0000 (23:10 +0000)]
Fix Makefile to build correctly on Darwin. Patch by Sandeep Patel!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83813
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Anton Korobeynikov [Sun, 11 Oct 2009 23:03:53 +0000 (23:03 +0000)]
Add missed mem-mem move patterns
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83812
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Anton Korobeynikov [Sun, 11 Oct 2009 23:03:28 +0000 (23:03 +0000)]
Add MSP430 mem-mem insts support. Patch by Brian Lucas with some my refinements
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83811
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Chris Lattner [Sun, 11 Oct 2009 23:02:46 +0000 (23:02 +0000)]
remove some harmful code that would turn an insertelement on an undef
into a shuffle even if it was used by another insertelement. If the
visitation order of instcombine was wrong, this would turn a chain of
insertelements into a chain of shufflevectors, which was quite painful.
Since CollectShuffleElements handles these cases, the code can just
be nuked.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83810
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Anton Korobeynikov [Sun, 11 Oct 2009 23:02:38 +0000 (23:02 +0000)]
Add bunch of MSP430 'feature' tests. Patch by Brian Lucas with some my refinements
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83809
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Chris Lattner [Sun, 11 Oct 2009 22:54:48 +0000 (22:54 +0000)]
reduce vec_shuffle2 and merge into vec_shuffle.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83807
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Chris Lattner [Sun, 11 Oct 2009 22:52:15 +0000 (22:52 +0000)]
filecheckize vec_shuffle.ll and merge shuffle.ll into it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83806
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Chris Lattner [Sun, 11 Oct 2009 22:45:17 +0000 (22:45 +0000)]
filecheckize
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83805
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Chris Lattner [Sun, 11 Oct 2009 22:44:16 +0000 (22:44 +0000)]
rename test
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83804
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Chris Lattner [Sun, 11 Oct 2009 22:42:06 +0000 (22:42 +0000)]
remove old testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83803
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Chris Lattner [Sun, 11 Oct 2009 22:39:58 +0000 (22:39 +0000)]
merge test into shift.ll, this also eliminates awful grepping on -stats output
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83802
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Chris Lattner [Sun, 11 Oct 2009 22:36:59 +0000 (22:36 +0000)]
convert to filecheck.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83801
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Chris Lattner [Sun, 11 Oct 2009 22:22:13 +0000 (22:22 +0000)]
teach instcombine to simplify xor's harder, catching the
new testcase.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83799
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Chris Lattner [Sun, 11 Oct 2009 22:00:32 +0000 (22:00 +0000)]
cleanups
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83797
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Chris Lattner [Sun, 11 Oct 2009 21:42:08 +0000 (21:42 +0000)]
convert xor2 to filecheck, merge in a random regtest
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83796
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Chris Lattner [Sun, 11 Oct 2009 21:36:10 +0000 (21:36 +0000)]
cleanup, no functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83795
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Chris Lattner [Sun, 11 Oct 2009 21:29:45 +0000 (21:29 +0000)]
generalize a transformation even more: we don't care whether the
input the the mul is a zext from bool, just that it is all zeros
other than the low bit. This fixes some phase ordering issues
that would cause us to miss some xforms in mul.ll when the worklist
is visited differently.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83794
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Chris Lattner [Sun, 11 Oct 2009 21:22:21 +0000 (21:22 +0000)]
simplify a transformation by making it more general.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83792
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Chris Lattner [Sun, 11 Oct 2009 21:05:34 +0000 (21:05 +0000)]
temporarily revert previous patch
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83791
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Chris Lattner [Sun, 11 Oct 2009 21:04:37 +0000 (21:04 +0000)]
populate instcombine's initial worklist more carefully, causing
it to visit instructions from the start of the function to the
end of the function in the first path. This greatly speeds up
some pathological cases (e.g. PR5150).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83790
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Torok Edwin [Sun, 11 Oct 2009 19:58:35 +0000 (19:58 +0000)]
Remove CleanupDbgInfo, instcombine does this and its not worth duplicating it
here.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83789
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Duncan Sands [Sun, 11 Oct 2009 19:40:38 +0000 (19:40 +0000)]
More DragonEgg verbiage.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83788
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Duncan Sands [Sun, 11 Oct 2009 19:30:56 +0000 (19:30 +0000)]
Remove spurious brackets.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83787
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Torok Edwin [Sun, 11 Oct 2009 19:15:54 +0000 (19:15 +0000)]
LICM shouldn't sink/delete debug information. Fix this and add a testcase.
For now the metadata of sinked/hoisted instructions is still wrong, but that'll
be fixed when instructions will have debug metadata directly attached.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83786
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Anton Korobeynikov [Sun, 11 Oct 2009 19:14:21 +0000 (19:14 +0000)]
Implement 'm' memory operand properly
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83785
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Anton Korobeynikov [Sun, 11 Oct 2009 19:14:02 +0000 (19:14 +0000)]
Implement proper asmprinting for the globals. This eliminates bogus "call" modifier and also adds support for offsets wrt globals.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83784
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Anton Korobeynikov [Sun, 11 Oct 2009 19:13:34 +0000 (19:13 +0000)]
Implement asm printing for inline asm memory operands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83783
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Chris Lattner [Sun, 11 Oct 2009 19:07:23 +0000 (19:07 +0000)]
add PR5004 as a known problem.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83782
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Chris Lattner [Sun, 11 Oct 2009 19:02:54 +0000 (19:02 +0000)]
duncan points out that llvm-gcc doesn't do the right thing with -fverbose-asm yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83781
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Nick Lewycky [Sun, 11 Oct 2009 18:53:09 +0000 (18:53 +0000)]
Fix typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83780
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Nick Lewycky [Sun, 11 Oct 2009 18:47:33 +0000 (18:47 +0000)]
Fix typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83779
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Chris Lattner [Sun, 11 Oct 2009 18:39:58 +0000 (18:39 +0000)]
when folding duplicate conditions, delete the
now-probably-dead instruction tree feeding it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83778
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Chris Lattner [Sun, 11 Oct 2009 18:21:32 +0000 (18:21 +0000)]
some notes from Anton
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83777
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Gabor Greif [Sun, 11 Oct 2009 11:44:34 +0000 (11:44 +0000)]
catch some other serial commas that my earlier grep did not spot
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83772
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Gabor Greif [Sun, 11 Oct 2009 11:23:40 +0000 (11:23 +0000)]
eliminate some instances of serial comma. sabre, if you feel strong about this, feel free to revert this rev
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83771
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Duncan Sands [Sun, 11 Oct 2009 11:20:26 +0000 (11:20 +0000)]
Fix typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83770
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Gabor Greif [Sun, 11 Oct 2009 10:44:44 +0000 (10:44 +0000)]
apply some tweaks
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83769
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Gabor Greif [Sun, 11 Oct 2009 10:27:57 +0000 (10:27 +0000)]
fix some obvious typos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83768
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Duncan Sands [Sun, 11 Oct 2009 09:07:15 +0000 (09:07 +0000)]
Add an outline of the DragonEgg gcc plugin.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83765
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Chris Lattner [Sun, 11 Oct 2009 07:53:15 +0000 (07:53 +0000)]
implement rdar://
7293527, a trivial instcombine that llvm-gcc
gets but clang doesn't, because it is implemented in GCC's
fold routine.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83761
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Chris Lattner [Sun, 11 Oct 2009 07:51:25 +0000 (07:51 +0000)]
add a helper for matching "1".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83760
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Chris Lattner [Sun, 11 Oct 2009 07:24:57 +0000 (07:24 +0000)]
implement a transformation in jump threading that is currently
done by condprop, but do it in a much more general form. The
basic idea is that we can do a limited form of tail duplication
in the case when we have a branch on a phi. Moving the branch
up in to the predecessor block makes instruction selection
much easier and encourages chained jump threadings.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83759
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Chris Lattner [Sun, 11 Oct 2009 07:11:11 +0000 (07:11 +0000)]
another testcase jump threading shouldn't crash on.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83758
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Chris Lattner [Sun, 11 Oct 2009 07:10:28 +0000 (07:10 +0000)]
rename a file, remove a poorly reduced testcase.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83757
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Chris Lattner [Sun, 11 Oct 2009 04:40:21 +0000 (04:40 +0000)]
restructure some code, no functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83756
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Chris Lattner [Sun, 11 Oct 2009 04:33:43 +0000 (04:33 +0000)]
factor some code better and move a function, no functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83755
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Chris Lattner [Sun, 11 Oct 2009 04:18:15 +0000 (04:18 +0000)]
make jump threading on a phi with undef inputs happen.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83754
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Chris Lattner [Sun, 11 Oct 2009 04:17:33 +0000 (04:17 +0000)]
there is no need to run mem2reg after jump threading at LTO time now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83753
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Chris Lattner [Sun, 11 Oct 2009 04:03:22 +0000 (04:03 +0000)]
fix a bunch of bad formatting, delete the dead
ConstantInt::TheTrueVal/TheFalseVal members.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83752
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Chris Lattner [Sun, 11 Oct 2009 03:55:30 +0000 (03:55 +0000)]
merge two tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83751
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Chris Lattner [Sun, 11 Oct 2009 03:54:21 +0000 (03:54 +0000)]
simplify some run lines, convert a test to filecheck.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83750
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