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82447 Commits

Author SHA1 Message Date
Dan Gohman 950fe784be Sink the CopyToExportRegsIfNeeded calls out of SelectionDAGISel 
into SelectionDAGBuilder. This avoids a separate pass over the
instructions, and has the side effect of providing debug location
information to the copy.

llvm-svn: 101906
 2010-04-20 15:03:56 +00:00
Dan Gohman f41ad478ca Don't send PHI nodes down to SelectionDAGBuilder of FastISel, since 
they end up doing nothing.

llvm-svn: 101904
 2010-04-20 15:00:41 +00:00
Dan Gohman 7a6b0dfbe7 Document that TargetRegisterInfo::contains does not cover virtual registers. 
llvm-svn: 101903
 2010-04-20 14:51:20 +00:00
Dan Gohman 7c845e4ea4 Sink this use_empty() check into isUsedOutsideOfDefiningBlock. 
llvm-svn: 101902
 2010-04-20 14:50:13 +00:00
Dan Gohman 7b7f0883fe If a PHI node somehow has debug info, propogate it to the MachineInstr PHI. 
llvm-svn: 101901
 2010-04-20 14:48:02 +00:00
Dan Gohman 0f055d3f56 Don't iterate through the whole block just to find the PHI nodes. 
llvm-svn: 101900
 2010-04-20 14:46:25 +00:00
Gabor Greif 27b3d55194 use abstract accessors to CallInst 
llvm-svn: 101899
 2010-04-20 13:13:04 +00:00
Benjamin Kramer 395857705f PR6880: Don't dereference CallsExternalNode if it's NULL. 
llvm-svn: 101897
 2010-04-20 12:16:50 +00:00
Benjamin Kramer 6a2542b629 Tip of the day: save before commit. 
llvm-svn: 101896
 2010-04-20 11:55:38 +00:00
Benjamin Kramer 25d3d782d2 Fix -Wcast-qual warnings. 
llvm-svn: 101895
 2010-04-20 11:50:39 +00:00
Benjamin Kramer 80178eea6a Fix -Wcast-qual warning. 
llvm-svn: 101894
 2010-04-20 11:50:37 +00:00
Douglas Gregor ffed1cb339 Introduce a limit on the depth of the template instantiation backtrace 
we will print with each error that occurs during template
instantiation. When the backtrace is longer than that, we will print
N/2 of the innermost backtrace entries and N/2 of the outermost
backtrace entries, then skip the middle entries with a note such as:

  note: suppressed 2 template instantiation contexts; use
  -ftemplate-backtrace-limit=N to change the number of template
  instantiation entries shown

This should eliminate some excessively long backtraces that aren't
providing any value.

llvm-svn: 101882
 2010-04-20 07:18:24 +00:00
Chris Lattner 5debc33168 stop computing InstImpInputs, it is dead 
llvm-svn: 101881
 2010-04-20 06:30:25 +00:00
Chris Lattner 9dc68d31fd DAGInstruction::ImpOperands is dead after my recent tblgen work, zap it. 
llvm-svn: 101880
 2010-04-20 06:28:43 +00:00
Chris Lattner 5100367ff3 Bill's change in r95336 broke empty aggregates embedded 
in other types.  fix this by only bumping zero-byte globals
up to a single byte if the *entire global* is zero size,
fixing PR6340.

This also fixes empty arrays etc to be handled correctly,
and only does this on subsection-via-symbols targets (aka
darwin) which is the only place where this matters.

llvm-svn: 101879
 2010-04-20 06:20:21 +00:00
Zhongxing Xu 52c28fe61a Add test cases. 
llvm-svn: 101878
 2010-04-20 05:48:57 +00:00
Chris Lattner 9cffdf1331 don't slap noalias attribute on stret result arguments. 
This mirror's Dan's patch for llvm-gcc in r97989, and
fixes the miscompilation in PR6525.  There is some contention
over whether this is the right thing to do, but it is the
conservative answer and demonstrably fixes a miscompilation.

llvm-svn: 101877
 2010-04-20 05:44:43 +00:00
Zhongxing Xu 23030c9004 Replace code with a method call. No functionality change. 
llvm-svn: 101876
 2010-04-20 05:40:40 +00:00
Chris Lattner 38c1a1a247 teach cellspu how to return i8 and i16 from calls, 
patch by Kalle Raiskila!

llvm-svn: 101875
 2010-04-20 05:36:09 +00:00
Chris Lattner 66e809acc0 remove a bunch of ad-hoc code to simplify instructions from 
loop unswitch, and use inst simplify instead.  It is more
powerful and less duplication.

llvm-svn: 101874
 2010-04-20 05:33:18 +00:00
Chris Lattner c707fa9651 move some select simplifications out out instcombine into 
inst simplify.  No functionality change.

llvm-svn: 101873
 2010-04-20 05:32:14 +00:00
Anders Carlsson 652758c3ec Pass the nearest virtual base decl to InitializeVTablePointers. No functionality change right now. 
llvm-svn: 101872
 2010-04-20 05:22:15 +00:00
Chris Lattner b596ac718e reapply john's patch, he broke mainline again by changing the test. 
llvm-svn: 101871
 2010-04-20 05:19:10 +00:00
Chris Lattner 5814d9d9da RewriteLoopBodyWithConditionConstant can end up rewriting the 
condition we're unswitching on.  In this case, don't try to
simplify the second copy of the loop which may be dead or not,
but is probably a constant now.  This fixes PR6879

llvm-svn: 101870
 2010-04-20 05:09:16 +00:00
Anders Carlsson 3d4218570a Assert that the path from the derived to the base class in CodeGenFunction::GetAddressOfBaseClass is not ambiguous. 
llvm-svn: 101869
 2010-04-20 05:07:22 +00:00
John Thompson 359675d036 Altivec vector literal initializer count mismatch error removed. 
llvm-svn: 101868
 2010-04-20 05:01:46 +00:00
Zhongxing Xu 4d4b8d833e Use GetState() to get the possible cleaned state. 
llvm-svn: 101867
 2010-04-20 04:53:09 +00:00
Chris Lattner c239eb79bd reapply 'reject forward references to functions whose type don't match' 
now that the testsuite has been updated.

llvm-svn: 101866
 2010-04-20 04:49:11 +00:00
Chris Lattner 03499d36b5 grr, lit only hates me, not the rest of the world. 
llvm-svn: 101865
 2010-04-20 04:33:06 +00:00
Chris Lattner 3da9a2a3a9 revert r101863, whcih is causing Sema/altivec-init.c to fail on a ton 
of buildbots with:

error: 'error' diagnostics expected but not seen: 
  Line 9: too few elements in vector initialization (expected 8 elements, have 2)
1 warning and 1 error generated.

llvm-svn: 101864
 2010-04-20 04:31:55 +00:00
John Thompson f351b2c2b4 Altivec vector literal initializer count mismatch error removed. 
llvm-svn: 101863
 2010-04-20 03:58:33 +00:00
Zhongxing Xu 40eb21a827 Improve handling of CXXNewExpr. 
llvm-svn: 101862
 2010-04-20 03:37:34 +00:00
John McCall 0f55a035cf Restore r101841 without modification. Also mark 'operator delete' as used for 
actual delete expressions, not just new expressions.

llvm-svn: 101861
 2010-04-20 02:18:25 +00:00
Dan Gohman 0c862a86fa Delete a redundant return statement. 
llvm-svn: 101860
 2010-04-20 01:58:20 +00:00
John McCall 44adf26dd0 Revert r101841 and follow-up. 
llvm-svn: 101859
 2010-04-20 01:42:53 +00:00
Chris Lattner b6410e168c add __builtin_[r]index. Perhaps all LIBBUILTIN's should get 
these or something?

llvm-svn: 101858
 2010-04-20 01:31:15 +00:00
John McCall 21f8d1d643 Use __SIZE_TYPE__ as suggested by dgregor. 
llvm-svn: 101857
 2010-04-20 01:26:56 +00:00
Bill Wendling 467e6c2deb The visitXOR method can return the same SDNode. If so, we don't want to delete 
it as it's not dead.

llvm-svn: 101855
 2010-04-20 01:25:01 +00:00
Chris Lattner 4025306a91 disable optimizations in this directory for MSVC9. This avoids 
an optimizer infinite loop on the file, PR6866.

llvm-svn: 101854
 2010-04-20 01:11:32 +00:00
Johnny Chen 2161e9f03b Better error-handling for DisassembleThumb2DPModImm() with 2-reg operands where 
d==15 is considered illegal.  Return false instead of assert().

llvm-svn: 101852
 2010-04-20 01:01:57 +00:00
Eric Christopher 64831c6a4c Remove the palignr intrinsics now that we lower them to vector shuffles, 
shifts and null vectors. Autoupgrade these to what we'd lower them to.

Add a testcase to exercise this.

llvm-svn: 101851
 2010-04-20 00:59:54 +00:00
Dan Gohman eadc04badc Remove this debug output; it isn't that useful, and it's incomplete 
in the case where a basic block is split.

llvm-svn: 101850
 2010-04-20 00:56:44 +00:00
Dan Gohman e450d7444d Sink DebugLoc handling out of SelectionDAGISel into FastISel and 
SelectionDAGBuilder, where it doesn't have to be as complicated.

llvm-svn: 101848
 2010-04-20 00:48:35 +00:00
Chris Lattner aedb8a3535 make CallGraphNode dtor abort if a node is deleted when there are still 
references to it.

llvm-svn: 101847
 2010-04-20 00:47:34 +00:00
Chris Lattner a5cdd5e6a2 make the inliner do less work for leaf functions. 
llvm-svn: 101846
 2010-04-20 00:47:08 +00:00
Chris Lattner e93846762a Fix rdar://7879828 - crash in CallGraph, a self host issue. 
Arg promotion was deleting call graph nodes that still had references
from the 'indirect' CGN.  Like the inliner, it should only delete the
function if all references are gone.

llvm-svn: 101845
 2010-04-20 00:46:50 +00:00
Dan Gohman 3df671a81c Remove MachineFunction's DefaultDebugLoc member, and make DwarfDebug.cpp 
responsible for figuring out what that's supposed to be on its own.

llvm-svn: 101844
 2010-04-20 00:37:27 +00:00
Dan Gohman ca35aa1122 Reapply the removal of SelectionDAGISel's BB, with a fix for the case 
where multiple blocks are emitted; functions which do this need to return
the new BB so that their callers can stay current.

llvm-svn: 101843
 2010-04-20 00:29:35 +00:00
John McCall 75b4746e7d Don't bother looking for (or diagnosing problems with) the 'operator delete' 
associated with a new expression if -fno-exceptions is set.

llvm-svn: 101841
 2010-04-20 00:22:43 +00:00
Bob Wilson 92a4685dd2 Fix tests for Neon load/store intrinsics to match the i8* types expected by 
the intrinsics.  The reason for those i8* types is that the intrinsics are
overloaded on the vector type and we don't have a way to declare an intrinsic
where one argument is an overloaded vector type and another argument is a
pointer to the vector element type.  The bitcasts added here will match what
the frontend will typically generate when these intrinsics are used.

llvm-svn: 101840
 2010-04-20 00:17:16 +00:00