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Author SHA1 Message Date
Jeffrey Yasskin
9305e5644b Don't save a temporary string into a StringRef field. 
llvm-svn: 98538
 2010-03-15 06:59:21 +00:00
Chris Lattner
b24982ba65 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
1b10191d18 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
02bf60555d 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
c008597c0a 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
89a4faa0fc MachineMove ctor doesn't need to to mutate input, add 'const' 
llvm-svn: 98533
 2010-03-15 05:55:35 +00:00
Chris Lattner
28d2398af5 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
2c1e56e067 fix a few more ambiguous types. 
llvm-svn: 98531
 2010-03-15 05:53:30 +00:00
Chris Lattner
f2c6e96a15 add some missing types 
llvm-svn: 98530
 2010-03-15 05:35:37 +00:00
Jeffrey Yasskin
f468a14fb1 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
a0ac2d995f various cleanups from daniel 
llvm-svn: 98528
 2010-03-15 04:12:21 +00:00
Chris Lattner
5d97a9a10d 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
37c5893297 remove dead method. 
llvm-svn: 98526
 2010-03-15 00:00:42 +00:00
Chris Lattner
aa217407b9 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
7c46b31729 tidy up and expound more on how half-float works. 
llvm-svn: 98524
 2010-03-14 23:03:31 +00:00
Chris Lattner
241e8fa570 tidy indentation 
llvm-svn: 98523
 2010-03-14 22:44:11 +00:00
Chris Lattner
1b5fdcde7a 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
8be174c089 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
7d4cb40969 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
be3d9aadbd Remove pointless forward declaration, MSVC got confused by this. 
llvm-svn: 98519
 2010-03-14 22:00:28 +00:00
Duncan Sands
217cec1786 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
f91618ae9f Rename SDDbgValue.h to SDNodeDbgValue.h for consistency. 
llvm-svn: 98513
 2010-03-14 19:56:39 +00:00
Chris Lattner
70eca8f78e fix ShrinkDemandedOps to not leave dead nodes around, 
fixing PR6607

llvm-svn: 98512
 2010-03-14 19:46:02 +00:00
Chris Lattner
5393443ed6 rewrite ShrinkDemandedOps to be faster and indent less, 
no functionality change.

llvm-svn: 98511
 2010-03-14 19:43:04 +00:00
Evan Cheng
6bc9eccbe4 Fix jit encoding bugs. 
llvm-svn: 98510
 2010-03-14 19:28:34 +00:00
Chris Lattner
f656ba2910 make -view-isel-dags print after the 'ShrinkDemandedOps' pass. 
llvm-svn: 98509
 2010-03-14 19:27:55 +00:00
Chris Lattner
95e0a61b2d don't have i386-specific tests in CodeGen/Generic, PR6601. 
llvm-svn: 98508
 2010-03-14 18:51:18 +00:00
Chris Lattner
c50b8b27f5 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
9333c20518 Fix typo 
llvm-svn: 98506
 2010-03-14 18:42:52 +00:00
Anton Korobeynikov
51a709db4d Document fp16 intrinsics 
llvm-svn: 98505
 2010-03-14 18:42:47 +00:00
Anton Korobeynikov
3997a71ef8 Feature test for half precision FP. 
llvm-svn: 98504
 2010-03-14 18:42:43 +00:00
Anton Korobeynikov
90fcfccc91 Add substarget feature for FP16 
llvm-svn: 98503
 2010-03-14 18:42:38 +00:00
Anton Korobeynikov
48357cdc62 Add codegen support for FP16 on ARM 
llvm-svn: 98502
 2010-03-14 18:42:31 +00:00
Anton Korobeynikov
2cb4451ae6 Make default expansion for FP16 <-> FP32 nodes into libcalls 
llvm-svn: 98501
 2010-03-14 18:42:24 +00:00
Anton Korobeynikov
95f830f289 Add DAG nodes to represent FP16 <-> FP32 intrinsics 
llvm-svn: 98500
 2010-03-14 18:42:15 +00:00
Anton Korobeynikov
2f953c5850 Cleanup 
llvm-svn: 98499
 2010-03-14 18:42:08 +00:00
Anton Korobeynikov
e29762e78e 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
92e88294ce Add intrinsics to represent fp16 <-> fp32 conversions 
llvm-svn: 98497
 2010-03-14 18:41:50 +00:00
Chris Lattner
1469c1b01e 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
2bdb0765f8 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
fbf6891967 comment fix. 
llvm-svn: 98494
 2010-03-14 17:10:52 +00:00
Chris Lattner
239d05bad6 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
Bill Wendling
0b0be33c46 Skip over debug info when trying to merge two return BBs. 
llvm-svn: 98491
 2010-03-14 10:40:55 +00:00
Bill Wendling
3320ee3d10 Make returns more consistent with others. 
llvm-svn: 98490
 2010-03-14 10:40:28 +00:00
Chris Lattner
9331acc6d7 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
Chris Lattner
e939096a3b fix these two get the mcsymbol operand instead of imm operand. 
llvm-svn: 98487
 2010-03-14 08:28:48 +00:00
Chris Lattner
3eb55835b5 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
5af59dfd1b don't use getDWLabel("label" anymore, always go through MMI. 
llvm-svn: 98485
 2010-03-14 08:18:13 +00:00
Chris Lattner
49130c09d0 remove now-dead code, all labels use MCSymbols. 
llvm-svn: 98484
 2010-03-14 08:17:53 +00:00
Chris Lattner
5ee7841af2 change SrcLineInfo to contain a label instead of a label ID. 
llvm-svn: 98483
 2010-03-14 08:15:55 +00:00