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Author SHA1 Message Date
Douglas Gregor
84ef0ef3b9 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
db8c479e0d 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
802ebf9561 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
e100b5ba38 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
b8ec72ddcb 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
bcd8655d1d 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
9f4f6954f7 revert r98550, it isn't necessary or sufficient. 
llvm-svn: 98558
 2010-03-15 18:42:01 +00:00
Devang Patel
3244526a3b 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
a8214d0775 don't eliminate address-taken blocks here. 
llvm-svn: 98550
 2010-03-15 16:37:42 +00:00
Chris Lattner
a8e4282df3 SIGN_EXTEND from the same type as the dest is valid. 
llvm-svn: 98548
 2010-03-15 16:15:56 +00:00
Chris Lattner
89c2d22d3d 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
70e2bb5875 Treat copysignl like the other copysign functions. 
llvm-svn: 98542
 2010-03-15 14:01:44 +00:00
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