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80320 Commits

Author SHA1 Message Date
Jeffrey Yasskin a1d3908a35 Don't save a temporary string into a StringRef field. 
llvm-svn: 98538
 2010-03-15 06:59:21 +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 0db1d6500a eliminate some #if 0 code I added in r96905, type inference 
now enforces that input/output named values have hte same type.

llvm-svn: 98535
 2010-03-15 06:03:22 +00:00
Chris Lattner cabe037b2d Completely rewrite tblgen's type inference mechanism, 
changing the primary datastructure from being a 
"std::vector<unsigned char>" to being a new TypeSet class
that actually has (gasp) invariants!

This changes more things than I remember, but one major
innovation here is that it enforces that named input 
values agree in type with their output values.

This also eliminates code that transparently assumes (in 
some cases) that SDNodeXForm input/output types are the
same, because this is wrong in many case.

This also eliminates a bug which caused a lot of ambiguous
patterns to go undetected, where a register class would
sometimes pick the first possible type, causing an
ambiguous pattern to get arbitrary results.

With all the recent target changes, this causes no 
functionality change!

llvm-svn: 98534
 2010-03-15 06:00:16 +00:00
Chris Lattner 227aa3595b MachineMove ctor doesn't need to to mutate input, add 'const' 
llvm-svn: 98533
 2010-03-15 05:55:35 +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 022a9fb269 various cleanups from daniel 
llvm-svn: 98528
 2010-03-15 04:12:21 +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 bbd8bd3257 tidy up and expound more on how half-float works. 
llvm-svn: 98524
 2010-03-14 23:03:31 +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 d03a956a01 filecheckize a test and mark these wiht a cpu so it passes 
on hosts without cmovs.

llvm-svn: 98521
 2010-03-14 22:31:16 +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 5049f23592 don't have i386-specific tests in CodeGen/Generic, PR6601. 
llvm-svn: 98508
 2010-03-14 18:51:18 +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 79a7c7823d Fix typo 
llvm-svn: 98506
 2010-03-14 18:42:52 +00:00
Anton Korobeynikov cd4dd9c1db Document fp16 intrinsics 
llvm-svn: 98505
 2010-03-14 18:42:47 +00:00
Anton Korobeynikov 846a117892 Feature test for half precision FP. 
llvm-svn: 98504
 2010-03-14 18:42:43 +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
Anton Korobeynikov b975fa6d9b Cleanup 
llvm-svn: 98499
 2010-03-14 18:42:08 +00:00
Anton Korobeynikov c6273f28a9 The fp16 <-> fp32 intrinsics are pure, mark them so they can be CSE'd, etc. 
llvm-svn: 98498
 2010-03-14 18:42:04 +00:00
Anton Korobeynikov 77bbbf782a Add intrinsics to represent fp16 <-> fp32 conversions 
llvm-svn: 98497
 2010-03-14 18:41:50 +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
Chris Lattner 28aae17fee shrink 4-byte branches to 1-byte branches when lowering from 
MachineInstr -> MCInst.  This is what the assembler backend wants,
it relaxes from smaller to larger things.  This fixes rdar://7750815

llvm-svn: 98493
 2010-03-14 17:04:18 +00:00
Anton Korobeynikov 762c6b7346 Fix thinko and enable clang build on mingw again (hopefully) 
llvm-svn: 98492
 2010-03-14 12:55:35 +00:00
Bill Wendling 55e69d179b Skip over debug info when trying to merge two return BBs. 
llvm-svn: 98491
 2010-03-14 10:40:55 +00:00
Bill Wendling ee84f27536 Make returns more consistent with others. 
llvm-svn: 98490
 2010-03-14 10:40:28 +00:00
Chris Lattner 6e52e9db31 get MMI out of the label uniquing business, just go to MCContext 
to get unique assembler temporary labels.

llvm-svn: 98489
 2010-03-14 08:36:50 +00:00
Kovarththanan Rajaratnam b4c0f5cc79 Add EmitString helper method 
llvm-svn: 98488
 2010-03-14 08:35:19 +00:00
Chris Lattner f1c2b9d3b1 fix these two get the mcsymbol operand instead of imm operand. 
llvm-svn: 98487
 2010-03-14 08:28:48 +00:00
Chris Lattner 073d817958 add a new CreateTempSymbol method, the use case for 
CreateTempSymbol vs GetOrCreateTemporarySymbol are
completely different.

llvm-svn: 98486
 2010-03-14 08:23:30 +00:00
Chris Lattner 6dcaba516f don't use getDWLabel("label" anymore, always go through MMI. 
llvm-svn: 98485
 2010-03-14 08:18:13 +00:00