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Author SHA1 Message Date
Evan Cheng
b71402d6ae For Darwin / x86_64, override -relocation-model=static to pic if the output is assembly since Darwin assembler does not really support -static codeine. 
I view this as a temporary workaround until the assembler / linker changes.

llvm-svn: 72806
 2009-06-03 21:13:54 +00:00
Daniel Dunbar
6a35862267 Add createStandardLTOPasses to StandardPasses.h, and move lto and llvm-ld over. 
- I know it sounds crazy, but I think all the pass lists are now coalesced into
   StandardPasses.h.

llvm-svn: 72805
 2009-06-03 21:06:14 +00:00
Dan Gohman
fcdb0d4193 Convert Alpha and Mips to use a MachineFunctionInfo subclass to 
carry GlobalBaseReg, and GlobalRetAddr too in Alpha's case. This
eliminates the need for them to search through the
MachineRegisterInfo livein list in order to identify these
virtual registers. EmitLiveInCopies is now the only user of the
virtual register portion of MachineRegisterInfo's livein data.

llvm-svn: 72802
 2009-06-03 20:30:14 +00:00
Dan Gohman
691dd710e9 Remove the redundant TM member from X86DAGToDAGISel; replace it 
with an accessor method which simply casts the parent class
SelectionDAGISel's TM to the target-specific type.

llvm-svn: 72801
 2009-06-03 20:20:00 +00:00
Dan Gohman
6e9ad19ef7 Don't attempt to simplify an non-affine IV expression if it can't 
be simplified to a loop-invariant value. This fixes PR4315.

llvm-svn: 72798
 2009-06-03 19:11:31 +00:00
Mike Stump
a864e12f97 Make the buildbot see green (to make it easier to spot the next person 
that puts a new warning in).

llvm-svn: 72797
 2009-06-03 19:07:46 +00:00
Daniel Dunbar
fe1e04f85a Switch opt to using StandardPasses.h 
- No functionality change, but please check if you don't believe me.

llvm-svn: 72789
 2009-06-03 18:22:15 +00:00
Daniel Dunbar
cc8a220a38 Remove some silly code. 
llvm-svn: 72788
 2009-06-03 18:13:05 +00:00
Daniel Dunbar
2436bbf945 Add StandardPasses.h which embeds the standard compilation passes shared by 
clang/llvm-gcc.
 - Implemented as inline functions for linking simplicity.

llvm-svn: 72786
 2009-06-03 17:52:39 +00:00
Bruno Cardoso Lopes
8fa826d852 Move ELFCodeEmiter stuff to new files 
llvm-svn: 72785
 2009-06-03 17:47:27 +00:00
Bruno Cardoso Lopes
43896d0ee4 Revert 72650 
llvm-svn: 72783
 2009-06-03 16:55:02 +00:00
Dan Gohman
273546fbdc Remove unnecessary #includes. 
llvm-svn: 72782
 2009-06-03 16:47:12 +00:00
Sanjiv Gupta
ea551a1e7c Emit file directives correctly in case of a .bc is generated by llvm-ld after linking in several .bc files. 
llvm-svn: 72781
 2009-06-03 16:27:49 +00:00
Torok Edwin
29762633ee lets not forget about c++! 
llvm-svn: 72778
 2009-06-03 15:42:26 +00:00
Sanjiv Gupta
aa07dba151 FrameIndex could be used as a value (addressof (arg)) or as an address. 
Expand it exactly like GlobalAddress.
Fix some more crashes (InsertBranch() not being implemented) for compiling hitec libs.

llvm-svn: 72776
 2009-06-03 15:31:12 +00:00
Oscar Fuentes
3a964cbc3b CMake: Added missing source file to lib/CodeGen/CMakeLists.txt. 
llvm-svn: 72775
 2009-06-03 15:29:09 +00:00
Oscar Fuentes
86f4f18dca CMake: Implements and documents option LLVM_ENABLE_ASSERTS. 
llvm-svn: 72774
 2009-06-03 15:11:25 +00:00
Torok Edwin
e056d0b8cd Document how easy it is to use the gold plugin and have LTO with autotooled projects. 
Please correct the documentation if I missed anything.

llvm-svn: 72773
 2009-06-03 15:06:19 +00:00
Sanjiv Gupta
0679a0baee Fixed a bug in which signed comparisons were being used instead of unsigned comparisons. 
llvm-svn: 72771
 2009-06-03 13:36:44 +00:00
Duncan Sands
ab3e57c63f Avoid a warning "'U' might be used uninitialized in 
this function" when using a not-too-smart compiler.

llvm-svn: 72768
 2009-06-03 12:05:18 +00:00
Duncan Sands
1f0ecf9952 At a newline at the end of this file. 
llvm-svn: 72767
 2009-06-03 11:54:28 +00:00
Jay Foad
203127a106 Document how phi and invoke instructions interact with SSA form. 
llvm-svn: 72762
 2009-06-03 10:20:10 +00:00
Evan Cheng
4e47a019ba Fix for PR4225: When rewriter reuse a value in a physical register , it clear the register kill operand marker and its kill ops information. However, the cleared operand may be a def of a super-register. Clear the kill ops info for the super-register's sub-registers as well. 
llvm-svn: 72758
 2009-06-03 09:00:27 +00:00
Evan Cheng
82f8fa333e Temporarily revert 72756 for now. 
llvm-svn: 72757
 2009-06-03 07:40:47 +00:00
Evan Cheng
5afbef29fa Fold preceding / trailing base inc / dec into the single load / store as well. 
llvm-svn: 72756
 2009-06-03 06:14:58 +00:00
Evan Cheng
085beccfb5 If there is a def of a super-register followed by a use of a sub-register, do *not* add an implicit def of the sub-register. e.g. 
EAX = ..., AX<imp-def>
...
    = AX

This creates a double-def. Apparently this used to be necessary but is no longer needed.

Thanks to Anton for pointing this out. Anton, I cannot create a test case without your uncommitted ARM patches. Please check in a test case for me.

llvm-svn: 72755
 2009-06-03 05:15:46 +00:00
Bruno Cardoso Lopes
9408fc6842 Move structures and classes into header files, providing two new headers and 
one new .cpp file, in preparation for merging in the Direct Object Emission
changes we're working on. No functional changes.
Fixed coding style issues on the original patch. Patch by Aaron Gray

llvm-svn: 72754
 2009-06-03 03:43:31 +00:00
Dan Gohman
609f627ed7 Revert r72734. The Darwin assembler doesn't support the static 
relocation model on x86-64. Higher level logic should override
the relocation model to PIC on x86_64-apple-darwin.

llvm-svn: 72746
 2009-06-03 00:37:20 +00:00
Dan Gohman
50b57a3cc7 Change TargetFolder's TD member from a reference to a 
pointer, now that ConstantFoldConstantExpression can
accept a null TargetData pointer.

llvm-svn: 72744
 2009-06-03 00:13:48 +00:00
Dan Gohman
d1f2f34c1a Change ConstantFoldConstantExpression to accept a null 
TargetData pointer. The only thing it's used for are
calls to ConstantFoldCompareInstOperands and
ConstantFoldInstOperands, which both already accept a
null TargetData pointer. This makes
ConstantFoldConstantExpression easier to use in clients
where TargetData is optional.

llvm-svn: 72741
 2009-06-02 21:48:15 +00:00
Dan Gohman
304cdeff4b Delete an unnecessary forward declaration. 
llvm-svn: 72740
 2009-06-02 21:37:43 +00:00
Dan Gohman
f6e6588203 Fix CodeGenPrepare's address-mode sinking to handle unusual 
addresses, involving Base values which do not have Pointer type.
This fixes PR4297.

llvm-svn: 72739
 2009-06-02 21:29:13 +00:00
Daniel Dunbar
e54120ccae NightlyTest: Stop running a separate Olden pass during nightly test. 
- Unless I'm mistaken, these results weren't even being reported and just
   served to clobber the previous build products and waste cycles.

llvm-svn: 72738
 2009-06-02 21:14:15 +00:00
Torok Edwin
a2f0fd169e fix build on VC++2k8. 
llvm-svn: 72736
 2009-06-02 20:32:59 +00:00
Lang Hames
96d4476109 Fixed warning, removed some temporary validation code that snuck in during my last commit. 
llvm-svn: 72735
 2009-06-02 20:30:03 +00:00
Evan Cheng
7e66d61bec On Darwin x86_64 small code model doesn't guarantee code address fits in 32-bit. 
llvm-svn: 72734
 2009-06-02 20:09:31 +00:00
Owen Anderson
6a94d2450e Undef MemoryFence when compiling on MSVC. 
llvm-svn: 72732
 2009-06-02 17:35:55 +00:00
Devang Patel
a485e31081 Simplify assertion message to avoid confusion. 
llvm-svn: 72731
 2009-06-02 17:26:29 +00:00
Lang Hames
1a81422fab Update to in-place spilling framework. Includes live interval scaling and trivial rewriter. 
llvm-svn: 72729
 2009-06-02 16:53:25 +00:00
Dale Johannesen
8b6ee9e312 Revert 72707 and 72709, for the moment. 
llvm-svn: 72712
 2009-06-02 03:12:52 +00:00
Evan Cheng
7875093e82 Avoid infinite looping in AllGlobalLoadUsesSimpleEnoughForHeapSRA(). This can happen when PHI uses are recursively dependent on each other. 
llvm-svn: 72710
 2009-06-02 00:56:07 +00:00
Dale Johannesen
fe3b3add52 Add missing file. 
llvm-svn: 72709
 2009-06-01 23:48:58 +00:00
Nick Kledzik
c367a91ca8 update comments about .objc_ symbols being generated 
llvm-svn: 72708
 2009-06-01 23:41:09 +00:00
Dale Johannesen
c08669561e Make the implicit inputs and outputs of target-independent 
ADDC/ADDE use MVT::i1 (later, whatever it gets legalized to)
instead of MVT::Flag.  Remove CARRY_FALSE in favor of 0; adjust
all target-independent code to use this format.

Most targets will still produce a Flag-setting target-dependent
version when selection is done.  X86 is converted to use i32
instead, which means TableGen needs to produce different code
in xxxGenDAGISel.inc.  This keys off the new supportsHasI1 bit
in xxxInstrInfo, currently set only for X86; in principle this
is temporary and should go away when all other targets have
been converted.  All relevant X86 instruction patterns are
modified to represent setting and using EFLAGS explicitly.  The
same can be done on other targets.

The immediate behavior change is that an ADC/ADD pair are no
longer tightly coupled in the X86 scheduler; they can be
separated by instructions that don't clobber the flags (MOV).
I will soon add some peephole optimizations based on using
other instructions that set the flags to feed into ADC.

llvm-svn: 72707
 2009-06-01 23:27:20 +00:00
Dale Johannesen
548149ef8d Comment grammaro/clarification. 
llvm-svn: 72706
 2009-06-01 23:13:42 +00:00
Dale Johannesen
4ad4ae870b Trailing whitespace. 
llvm-svn: 72705
 2009-06-01 23:12:52 +00:00
Mike Stump
f39ed4d4f9 Dcoument that the opauque value used to construct QNaNs is truncated 
as necessary.

llvm-svn: 72702
 2009-06-01 21:02:35 +00:00
Nick Kledzik
3486856fd9 <rdar://problem/6927148> libLTO needs to handle i386 magic objc class symbols 
Parse __OBJC data structures and synthesize magic .objc_ symbols.
Also, alter mangler so that objc method names are readable.

llvm-svn: 72700
 2009-06-01 20:33:09 +00:00
Bill Wendling
c77c8e5f6e Accidental commit. This isn't ready for prime time just yet. 
llvm-svn: 72699
 2009-06-01 20:18:46 +00:00
Anton Korobeynikov
e7e9118514 Implement review feedback. Make thumb2 'normal' subtarget feature 
llvm-svn: 72698
 2009-06-01 20:00:48 +00:00