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Author SHA1 Message Date
Chris Lattner
44965f1107 fix logical-select to invoke filecheck right, and fix hte instcombine 
xform it is checking to actually pass.  There is no need to match
m_SelectCst<0, -1> since instcombine canonicalizes that into not(sext).

Add matches for sext(not(x)) in addition to not(sext(x)).

llvm-svn: 95420
 2010-02-05 19:53:02 +00:00
Chris Lattner
3590276566 implement the rest of the encoding types. 
llvm-svn: 95414
 2010-02-05 19:37:31 +00:00
Chris Lattner
a6d9d45f42 move functions for decoding X86II values into the X86II namespace. 
llvm-svn: 95410
 2010-02-05 19:24:13 +00:00
Dan Gohman
96cad72d2d Implement releaseMemory in CodeGenPrepare and free the BackEdges 
container data. This prevents it from holding onto dangling
pointers and potentially behaving unpredictably.

llvm-svn: 95409
 2010-02-05 19:24:11 +00:00
Chris Lattner
326cf88352 constant propagate a method away. 
llvm-svn: 95408
 2010-02-05 19:20:30 +00:00
Dan Gohman
8142ba6bbb Use a SmallSetVector instead of a SetVector; this code showed up as a 
malloc caller in a profile.

llvm-svn: 95407
 2010-02-05 19:20:15 +00:00
Chris Lattner
d43a7714c9 change getSizeOfImm and getBaseOpcodeFor to just take 
TSFlags directly instead of a TargetInstrDesc.

llvm-svn: 95405
 2010-02-05 19:16:26 +00:00
Chris Lattner
f20e6a05bd add some more encodings. 
llvm-svn: 95403
 2010-02-05 19:04:37 +00:00
Eric Christopher
f89979ce6a Remove this code for now. I have a better idea and will rewrite with 
that in mind.

llvm-svn: 95402
 2010-02-05 19:04:06 +00:00
Jeffrey Yasskin
d0d363d1a9 Make lit's gtest support honor config.environment. 
llvm-svn: 95398
 2010-02-05 18:09:19 +00:00
Johnny Chen
0b398e3919 VMOVRRD and VMOVDRR both have Inst{7-6} = 0b00. 
llvm-svn: 95397
 2010-02-05 18:04:58 +00:00
Jeffrey Yasskin
1604115c5a Move --march, --mcpu, and --mattr from JIT/TargetSelect.cpp to lli.cpp. 
llc.cpp also defined these flags, meaning that when I linked all of LLVM's
libraries into a single shared library, llc crashed on startup with duplicate
flag definitions.  This patch passes them through the EngineBuilder into
JIT::selectTarget().

llvm-svn: 95390
 2010-02-05 16:19:36 +00:00
Bill Wendling
c3f4101cc6 Make test more fucused eliminating extraneous bits. 
llvm-svn: 95384
 2010-02-05 11:21:05 +00:00
Daniel Dunbar
96bc973155 MC: Change default comment column to 40 characters. 
llvm-svn: 95378
 2010-02-05 07:32:18 +00:00
Evan Cheng
4b03f55de1 Fix test. 
llvm-svn: 95373
 2010-02-05 06:37:00 +00:00
Chris Lattner
c59cbacb06 implement the non-relocation forms of memory operands 
llvm-svn: 95368
 2010-02-05 06:16:07 +00:00
Evan Cheng
81dde4c7f7 Handle tail call with byval arguments. 
llvm-svn: 95351
 2010-02-05 02:21:12 +00:00
Chris Lattner
adf475aaf7 start adding MRMDestMem, which requires memory form mod/rm encoding 
to start limping.

llvm-svn: 95350
 2010-02-05 02:18:40 +00:00
Chris Lattner
f1f355c706 Add a few more encodings, we can now encode all of: 
pushl	%ebp
	movl	%esp, %ebp
	movl	$42, %eax
	popl	%ebp
	ret

llvm-svn: 95344
 2010-02-05 01:53:19 +00:00
Evan Cheng
94fe5501b7 When the scheduler unfold a load folding instruction it move some of the predecessors to the unfolded load. It decides what gets moved to the load by checking whether the new load is using the predecessor as an operand. The check neglects the cases whether the predecessor is a flagged scheduling unit. 
rdar://7604000

llvm-svn: 95339
 2010-02-05 01:27:11 +00:00
Bill Wendling
9761f067f8 An empty global constant (one of size 0) may have a section immediately 
following it. However, the EmitGlobalConstant method wasn't emitting a body for
the constant. The assembler doesn't like that. Before, we were generating this:

  .zerofill __DATA, __common, __cmd, 1, 3

This fix puts us back to that semantic.

llvm-svn: 95336
 2010-02-05 00:17:02 +00:00
Bob Wilson
c7e8107ff2 Do not reassociate expressions with i1 type. SimplifyCFG converts some 
short-circuited conditions to AND/OR expressions, and those expressions
are often converted back to a short-circuited form in code gen.  The
original source order may have been optimized to take advantage of the
expected values, and if we reassociate them, we change the order and
subvert that optimization.  Radar 7497329.

llvm-svn: 95333
 2010-02-04 23:32:37 +00:00
Evan Phoenix
a44be8b7f3 Disable external stubs for X86-32 and X86-64 
Instruction selection for X86 now can choose an instruction
sequence that will fit any address of any symbol, no matter
the pointer width. X86-64 uses a mov+call-via-reg sequence
for this.

llvm-svn: 95323
 2010-02-04 19:56:59 +00:00
Evan Cheng
ce5962aaf9 Fix typo Duncan noticed. 
llvm-svn: 95322
 2010-02-04 19:07:06 +00:00
Jakob Stoklund Olesen
54b09bc819 Increase inliner thresholds by 25. 
This makes the inliner about as agressive as it was before my changes to the
inliner cost calculations. These levels give the same performance and slightly
smaller code than before.

llvm-svn: 95320
 2010-02-04 18:48:20 +00:00
Jakob Stoklund Olesen
d72e82107d Fix small bug in handling instructions with more than one implicitly defined operand. 
ProcessImplicitDefs would only mark one operand per instruction with <undef>.
This fixed PR6086.

llvm-svn: 95319
 2010-02-04 18:46:28 +00:00
Benjamin Kramer
707c8c5e00 Get the LLVMC tests working with clang++ by removing the problematic CXXFLAG in lit. 
llvm-svn: 95318
 2010-02-04 18:40:11 +00:00
Torok Edwin
37e451649c New flag for GenLibDeps, and llvm-config-perobjincl. 
This allows to show the explicit files that need to be built/linked to get an
LLVM component.

llvm-svn: 95300
 2010-02-04 09:31:35 +00:00
Chris Lattner
a635219775 move the PR6214 microoptzn to this file. 
llvm-svn: 95299
 2010-02-04 07:32:01 +00:00
Chris Lattner
43030eddcd fix a broken archive that was breaking dejagnu only (not lit) 
after r95292 

llvm-svn: 95296
 2010-02-04 07:11:08 +00:00
Evan Cheng
f5ee7fb571 Re-enable x86 tail call optimization. 
llvm-svn: 95295
 2010-02-04 06:47:24 +00:00
Eric Christopher
ee4a176739 Temporarily revert this since it appears to have caused a build 
failure.

llvm-svn: 95294
 2010-02-04 06:41:27 +00:00
Chris Lattner
e43007d443 add support for the sparcv9-*-* target triple to turn on 
64-bit sparc codegen.  Patch by Nathan Keynes!

llvm-svn: 95293
 2010-02-04 06:34:01 +00:00
Chris Lattner
eabd2085d7 From PR6228: 
"Attached patch removes the extra NUL bytes from the output and changes
test/Archive/MacOSX.toc from a binary to a text file (removes
svn:mime-type=application/octet-stream and adds svn:eol-style=native).  I can't
figure out how to get SVN to include the new contents of the file in the patch
so I'm attaching it separately."

Patch by James Abbatiello!

llvm-svn: 95292
 2010-02-04 06:19:43 +00:00
Eric Christopher
9b3e42f09e Rework constant expr and array handling for objectsize instcombining. 
Fix bugs where we would compute out of bounds as in bounds, and where
we couldn't know that the linker could override the size of an array.

Add a few new testcases, change existing testcase to use a private
global array instead of extern.

llvm-svn: 95283
 2010-02-04 02:55:34 +00:00
Evan Cheng
3c93245a64 It's too risky to eliminate sext / zext of call results for tail call optimization even if the caller / callee attributes completely match. The callee may have been bitcast'ed (or otherwise lied about what it's doing). 
llvm-svn: 95282
 2010-02-04 02:45:02 +00:00
Dan Gohman
be6cf8cfb0 Change the argument to getIntegerSCEV to be an int64_t, rather 
than int. This will make it more convenient for LSR, which does
a lot of things with int64_t offsets.

llvm-svn: 95281
 2010-02-04 02:43:51 +00:00
Evan Cheng
c603f314de Indirect tail call has to go through a call preserved register since it's after callee register pops. X86 isel lowering is using EAX / R11 and it was somehow adding that to function live out. That prevented the real function return register from being added to the function live out list and bad things happen. 
This fixes 483.xalancbmk (with tail call opt).

llvm-svn: 95280
 2010-02-04 02:40:39 +00:00
Sean Callanan
7662f4139b Filled in a few new APIs for the enhanced 
disassembly library that provide access to
instruction information, and fixed ambiguous
wording in the comments for the header.

llvm-svn: 95274
 2010-02-04 01:43:08 +00:00
Dan Gohman
05d47a0cf5 Use a tab instead of space after .type, for consistency. 
llvm-svn: 95272
 2010-02-04 01:42:13 +00:00
Dale Johannesen
b9cb5e72fd Rewrite FP constant handling in DEBUG_VALUE yet 
again, so it more or less handles long double.
Restore \n removed in latest MC frenzy.

llvm-svn: 95271
 2010-02-04 01:33:43 +00:00
Victor Hernandez
28f795182c Fix (and test) function-local metadata that occurs before the instruction that it refers to; fix is to not enumerate operands of function-local metadata until after all instructions have been enumerated 
llvm-svn: 95269
 2010-02-04 01:13:08 +00:00
Eric Christopher
fe6ab1518e If we're dealing with a zero-length array, don't lower to any 
particular size, we just don't know what the length is yet.

llvm-svn: 95266
 2010-02-03 23:56:07 +00:00
Dale Johannesen
c413673047 This test passes now on ppc darwin; if it doesn't pass 
on some other ppc say something on the list.

llvm-svn: 95265
 2010-02-03 22:33:17 +00:00
Dale Johannesen
0a85fd105b This test passes now on ppc darwin, so reenable it. 
llvm-svn: 95264
 2010-02-03 22:29:02 +00:00
Dale Johannesen
ddc82307fa Debugging is now reenabled on PPC darwin, so reenable 
these tests (they pass).

llvm-svn: 95263
 2010-02-03 22:24:49 +00:00
Chris Lattner
26cf12e3c9 enhance new encoder to support prefixes + RawFrm 
instructions with no operands.  It can now handle

define void @test2() nounwind { ret void }

llvm-svn: 95261
 2010-02-03 21:57:59 +00:00
Chris Lattner
5078a382e4 set up some infrastructure, some minor cleanups. 
llvm-svn: 95260
 2010-02-03 21:43:43 +00:00
Evan Cheng
5c8b1b9164 Speculatively disable x86 automatic tail call optimization while we track down a self-hosting issue. 
llvm-svn: 95259
 2010-02-03 21:40:40 +00:00
Evan Cheng
ccbbdfa8c4 Make test less fragile 
llvm-svn: 95258
 2010-02-03 21:39:04 +00:00