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Author SHA1 Message Date
Anders Carlsson
91baecfeb3 Back out r101911 and see if it makes the bots happy. 
llvm-svn: 101921
 2010-04-20 18:05:10 +00:00
Benjamin Kramer
92b761cf4b Remove dead code. 
llvm-svn: 101920
 2010-04-20 18:01:57 +00:00
Daniel Dunbar
20b551a443 IRgen: Always use i8 arrays to access union bit-fields. This is ugly, but 
matches how we currently handle structs, and this correctly handles
-fno-bitfield-type-align.

llvm-svn: 101918
 2010-04-20 17:52:30 +00:00
Johnny Chen
7be315c414 For t2LDRT, t2LDRBT, t2LDRHT, t2LDRSBT, and t2LDRSHT, if Rn(Inst{19-16})=='1111', 
transform the Opcode to the corresponding t2LDR*pci counterpart.

Ref: A8.6.86 LDRT, A8.6.65 LDRBT, A8.6.77 LDRHT, A8.6.81 LDRSBT, A8.6.85 LDRSHT
llvm-svn: 101915
 2010-04-20 17:28:50 +00:00
Evan Cheng
4019d571d9 Typo. 
llvm-svn: 101914
 2010-04-20 17:27:38 +00:00
Devang Patel
db6f71b02f Add RUN: 
llvm-svn: 101913
 2010-04-20 17:20:10 +00:00
Chris Lattner
882bdf2a8d remove some extraneous qualifiers. 
llvm-svn: 101912
 2010-04-20 17:13:14 +00:00
Anders Carlsson
6a0227df49 Fix a bug which triggered the assertion I added yesterday. Basically, when we initialize the vtable pointer for a virtual base, and there was another path from the most derived class to another base with the same class type, we would use the wrong base. 
llvm-svn: 101911
 2010-04-20 16:22:16 +00:00
Anders Carlsson
53cebd1ea6 Move code to apply a non-virtual and virtual offset out into a separate function. 
llvm-svn: 101909
 2010-04-20 16:03:35 +00:00
Douglas Gregor
abd9e9689a Keep proper source location information for the type in an Objective-C 
@encode expression. 

llvm-svn: 101907
 2010-04-20 15:39:42 +00:00
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