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36950 Commits

Author SHA1 Message Date
Daniel Dunbar 5599256415 MC: Allow modifiers in MCSymbolRefExpr, and eliminate X86MCTargetExpr. 
- Although it would be nice to allow this decoupling, the assembler needs to be able to reason about MCSymbolRefExprs in too many places to make this viable. We can use a target specific encoding of the variant if this becomes an issue.
 - This patch also extends llvm-mc to support parsing of the modifiers, as opposed to lumping them in with the symbol.

llvm-svn: 98592
 2010-03-15 23:51:06 +00:00
Dan Gohman c6ddebd6d1 Recognize code for doing vector gather/scatter index calculations with 
32-bit indices. Instead of shuffling each element out of the index vector,
when all indices are needed, just store the input vector to the stack and
load the elements out.

llvm-svn: 98588
 2010-03-15 23:23:03 +00:00
Bob Wilson 3f2293bc02 Translate "cc" clobber in ARM inline assembly to ARM::CCRRegisterClass. 
Radar 7459078.

llvm-svn: 98586
 2010-03-15 23:09:18 +00:00
Devang Patel 45c1505bf6 Skip debug info intrinsics. 
llvm-svn: 98584
 2010-03-15 22:23:03 +00:00
Daniel Dunbar fe8d866fc7 MC/Mach-O/x86_64: Temporary labels in cstring sections require symbols (and external relocations, but we don't have x86_64 relocations yet). 
llvm-svn: 98583
 2010-03-15 21:56:50 +00:00
Daniel Dunbar 232dc953ac MC/Mach-O: Add MCSectionMachO::getType() 
llvm-svn: 98582
 2010-03-15 21:56:38 +00:00
Devang Patel b21991c4f5 Skip debug info intrinsics. 
llvm-svn: 98581
 2010-03-15 21:25:29 +00:00
Bill Wendling bbcaa40227 Now that the default for Darwin platforms is to place the LSDA into the TEXT 
section, remove the target-specific code that performs this.

llvm-svn: 98580
 2010-03-15 21:09:38 +00:00
Chris Lattner 561334a81f Implement support for the case when a reference to a addr-of-bb 
label is generated, but then the block is deleted.  Since the
value is undefined, we just emit the label right after the entry 
label of the function.  It might matter that the label is in the
same section as the function was afterall.

llvm-svn: 98579
 2010-03-15 20:39:00 +00:00
Chris Lattner c116a8707a use Mang->getSymbol() 
llvm-svn: 98578
 2010-03-15 20:37:57 +00:00
Chris Lattner 2ea586b8f5 use Mang->getSymbol() more. 
llvm-svn: 98577
 2010-03-15 20:37:38 +00:00
Douglas Gregor 6d7d7b5197 Extend MemoryBuffer::getFile() to take an optional "stat" structure 
pointer. If given, the structure will be set with the stat information from
the file actually read.

llvm-svn: 98575
 2010-03-15 20:32:14 +00:00
Devang Patel f2bce7cbae Create SDDbgValue for dbg_value intrinsics and remember its connections with DAG nodes. 
This is a work in progress. Patch by Dale Johannesen!

llvm-svn: 98568
 2010-03-15 19:15:44 +00:00
Chris Lattner 347a0eb85c Fix the case when a reference to an address taken BB is emitted in one 
function, then the BB is RAUW'd before the definition is emitted.  There
are still two cases not being handled, but this should improve us back to
the situation before I touched anything.

llvm-svn: 98566
 2010-03-15 19:09:43 +00:00
Devang Patel d3f41e8939 In "empty" bb, the return instruction may not be first instruction, if dbg value intrinsics are present in this bb. Use terminator to find return instructions. 
llvm-svn: 98565
 2010-03-15 19:05:46 +00:00
Bill Wendling 0344874921 Place the LSDA into the TEXT section for x86 Darwin. If the global it's pointing 
to is local to the translation unit, we need to place fill the value of that
symbol into the non-lazy pointer.

This should conclude all Darwin changes for placing the LSDA into the TEXT
section. There is some cleanup to do. I.e., there's no longer a special need for
target-specific code here. But that can come later.

llvm-svn: 98564
 2010-03-15 19:04:37 +00:00
Evan Cheng ae5edee6c8 Avoid sibcall optimization if either caller or callee is using sret semantics. 
llvm-svn: 98561
 2010-03-15 18:54:48 +00:00
Chris Lattner 49ee281213 revert r98550, it isn't necessary or sufficient. 
llvm-svn: 98558
 2010-03-15 18:42:01 +00:00
Devang Patel a3e9c9ca7b Emit dwarf variable info communicated by code generator through DBG_VALUE machine instructions. 
This is a work in progress.

llvm-svn: 98556
 2010-03-15 18:33:46 +00:00
Chris Lattner 51a6eb7d12 don't eliminate address-taken blocks here. 
llvm-svn: 98550
 2010-03-15 16:37:42 +00:00
Chris Lattner c73a361ac5 SIGN_EXTEND from the same type as the dest is valid. 
llvm-svn: 98548
 2010-03-15 16:15:56 +00:00
Chris Lattner d5df1f5b54 sink the call to VT.getSizeInBits() down into its uses, 
not all unary nodes necessarily have a simple result type.

llvm-svn: 98547
 2010-03-15 16:05:15 +00:00
Duncan Sands 145584e037 Treat copysignl like the other copysign functions. 
llvm-svn: 98542
 2010-03-15 14:01:44 +00:00
Chris Lattner 632eb65cd2 fix MCSectionELF to not leak memory, just like I did for MCSymbol. 
MCSectionMachO is already fine (yay for fixed size arrays?),
MCSectionCOFF still leaks.

llvm-svn: 98537
 2010-03-15 06:23:52 +00:00
Chris Lattner 133487696a fix a memory leak yjasskin pointed out: MCSymbol is bump pointer 
allocated and thus not freed.  This is cool except that it contains
and std::string so the string data didn't get freed.  In any case
there is no reason to redundantly store the string data in the 
MCSymbol anyway, just make the MCSymbol ref the string data in the
MCContext StringMap.

llvm-svn: 98536
 2010-03-15 06:15:35 +00:00
Chris Lattner eb319f36b9 do some serious surgery on CellSPU to get it back into a world 
where it uses types consistently.

llvm-svn: 98532
 2010-03-15 05:53:47 +00:00
Chris Lattner 26e6273772 fix a few more ambiguous types. 
llvm-svn: 98531
 2010-03-15 05:53:30 +00:00
Chris Lattner 4f26c1a960 add some missing types 
llvm-svn: 98530
 2010-03-15 05:35:37 +00:00
Jeffrey Yasskin 3ddd88f523 Tell Valgrind when we modify already-executed machine code so it knows 
to re-instrument the code.  We depend on the system valgrind.h to
avoid adding a new license.

llvm-svn: 98529
 2010-03-15 04:57:55 +00:00
Chris Lattner ce81b3c120 fix an ambiguous pattern, contrary to expectations, scalar_to_vector 
doesn't have a type constraint on the scalar because we don't have
an 'sAny' type.

llvm-svn: 98527
 2010-03-15 00:52:43 +00:00
Chris Lattner f18c0e6b4b remove dead method. 
llvm-svn: 98526
 2010-03-15 00:00:42 +00:00
Chris Lattner 65a437fb80 don't forget to close a FD on an error condition, found by 
cppcheck, PR6617.  Patch by Ettl Martin!

llvm-svn: 98525
 2010-03-14 23:16:45 +00:00
Chris Lattner 9fa851b9d4 tidy indentation 
llvm-svn: 98523
 2010-03-14 22:44:11 +00:00
Chris Lattner 402d6442c5 no really, all 64-bit cpu's have cmov support. This should 
fix the rest of the buildbot failures on non-x86 hosts.

llvm-svn: 98522
 2010-03-14 22:39:35 +00:00
Chris Lattner 77f7dba60c all 64-bit cpus have cmov, this should fix CodeGen/X86/cmov.ll 
(at least) on non-x86 builders.

llvm-svn: 98520
 2010-03-14 22:24:34 +00:00
Benjamin Kramer cabfdb1e67 Remove pointless forward declaration, MSVC got confused by this. 
llvm-svn: 98519
 2010-03-14 22:00:28 +00:00
Duncan Sands ca595495e4 Turn calls to copysignl into an FCOPYSIGN node. Handle FCOPYSIGN nodes 
with ppc_f128 type by having the type legalizer turn these back into a
call to copysignl.

llvm-svn: 98514
 2010-03-14 21:08:40 +00:00
Evan Cheng 00fd0b6749 Rename SDDbgValue.h to SDNodeDbgValue.h for consistency. 
llvm-svn: 98513
 2010-03-14 19:56:39 +00:00
Chris Lattner f71cb6c439 fix ShrinkDemandedOps to not leave dead nodes around, 
fixing PR6607

llvm-svn: 98512
 2010-03-14 19:46:02 +00:00
Chris Lattner 468decdda2 rewrite ShrinkDemandedOps to be faster and indent less, 
no functionality change.

llvm-svn: 98511
 2010-03-14 19:43:04 +00:00
Evan Cheng 6a9e10905b Fix jit encoding bugs. 
llvm-svn: 98510
 2010-03-14 19:28:34 +00:00
Chris Lattner f1ed59a418 make -view-isel-dags print after the 'ShrinkDemandedOps' pass. 
llvm-svn: 98509
 2010-03-14 19:27:55 +00:00
Chris Lattner 6feb7e3325 fix PR6605, X86ISD::CMP always returns i32 (EFLAGS), not 
the operand type.

llvm-svn: 98507
 2010-03-14 18:44:35 +00:00
Anton Korobeynikov 0a65a37344 Add substarget feature for FP16 
llvm-svn: 98503
 2010-03-14 18:42:38 +00:00
Anton Korobeynikov d7fece38fc Add codegen support for FP16 on ARM 
llvm-svn: 98502
 2010-03-14 18:42:31 +00:00
Anton Korobeynikov 59e96008bd Make default expansion for FP16 <-> FP32 nodes into libcalls 
llvm-svn: 98501
 2010-03-14 18:42:24 +00:00
Anton Korobeynikov 39ed49df71 Add DAG nodes to represent FP16 <-> FP32 intrinsics 
llvm-svn: 98500
 2010-03-14 18:42:15 +00:00
Chris Lattner a30d4ce194 add support for pentium class CPUs which do not have cmov, 
PR4841.  Patch by Craig Smith!

llvm-svn: 98496
 2010-03-14 18:31:44 +00:00
Chris Lattner 9efbbcbe45 fix AsmPrinter::GetBlockAddressSymbol to always return a unique 
label instead of trying to form one based on the BB name (which
causes collisions if the name is empty).  This fixes PR6608

llvm-svn: 98495
 2010-03-14 17:53:23 +00:00
Chris Lattner 87dd2d6388 comment fix. 
llvm-svn: 98494
 2010-03-14 17:10:52 +00:00