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Author SHA1 Message Date
Rafael Espindola
bf8209daf8 Fix and add tests for all cases in x86 and x86_64 where gnu as implicitly 
sets the type of a symbol to STT_TLS.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120100 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-24 18:51:21 +00:00
Rafael Espindola
5c7106b2e3 Testcase for r120017. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120099 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-24 18:03:57 +00:00
Wesley Peck
42e75a3cf1 Updating MBlaze .mask and .frame directives to match GCC's output and fixing regression introduced in 120095 by checking MCStreamer::hasRawTextSupport. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120097 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-24 16:32:35 +00:00
Wesley Peck
82dc040d06 1. Fixing error where basic block labels were not being printed out when they need to be for the MBlaze backend because AsmPrinter::isBlockOnlyReachableByFallthrough does not take into account delay slots. 
2. Re-adding .mask and .frame directives in printed assembly.
3. Adding .ent and .end directives in printed assembly.
4. Minor cleanups to MBlaze backend.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120095 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-24 15:39:32 +00:00
Kalle Raiskila
7de8101668 Use i8 as SETCC result type for i1 in SPU. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120092 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-24 12:59:16 +00:00
Kalle Raiskila
702a4046a9 Allow for 'fcmp ogt' in SPU. 
Fix by Visa Putkinen!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120090 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-24 11:42:17 +00:00
Rafael Espindola
97551276c5 If a symbol is used as tls, mark it as tls even if not declare as so. Probably 
fixes PR8659.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120076 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-24 02:19:40 +00:00
NAKAMURA Takumi
bcc3678a4a include/llvm/System/system_error.h: ECANCELED is undefined on Cygwin-1.5. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120072 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-24 01:29:45 +00:00
Ted Kremenek
9c336fabd5 Tweak ImmutableMap/ImmutableSet/ImmutableList APIs 
to use lowercase letters for the start of most
method names and to replace some method names
with more descriptive names (e.g., "getLeft()"
instead of "Left()").  No real functionality
change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120070 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-24 00:54:28 +00:00
Jakob Stoklund Olesen
6c76f5fa2f Generalize overflowLeaf to also handle overflows in branch nodes. 
This doesn't quite work yet because the calls to treeDecrement and treeIncrement
operate at the leaf level, not on pathNode(Level) as required.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120068 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-24 00:03:32 +00:00
Chris Lattner
7cf705461c add a MemoryBuffer::getOpenFile method, which turns an open 
file descriptor into a MemoryBuffer (and closes the FD).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120065 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 22:20:27 +00:00
Michael J. Spencer
67ff104e7e system_error: Add fixme. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120059 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 21:09:11 +00:00
Duncan Sands
50f2625b22 Rename SimplifyDistributed to the more meaningfull name SimplifyByFactorizing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120051 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 20:42:39 +00:00
Benjamin Kramer
c21a821e9f The srem -> urem transform is not safe for any divisor that's not a power of two. 
E.g. -5 % 5 is 0 with srem and 1 with urem.

Also addresses Frits van Bommel's comments.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120049 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 20:33:57 +00:00
Duncan Sands
b6133d1483 Replace calls to ConstantFoldInstruction with calls to SimplifyInstruction 
in two places that are really interested in simplified instructions, not
constants.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120044 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 20:26:33 +00:00
Duncan Sands
0f827639df Constant folding here is pointless, because InstructionSimplify 
(which does constant folding and more) is called a few lines
later.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120042 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 20:24:21 +00:00
Jason W Kim
13534672de Move the ARM reloc constants to Support/ELF.h 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120035 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 19:40:36 +00:00
Bob Wilson
626613d5e8 Recognize sign/zero-extended constant BUILD_VECTORs for VMULL operations. 
We need to check if the individual vector elements are sign/zero-extended
values.  For now this only handles constants values.  Radar 8687140.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120034 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 19:38:38 +00:00
Bob Wilson
b055f740bd Fix copy-and-paste error in exception message. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120033 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 19:38:34 +00:00
Benjamin Kramer
b70ebd2aa3 InstCombine: Reduce "X shift (A srem B)" to "X shift (A urem B)" iff B is positive. 
This allows to transform the rem in "1 << ((int)x % 8);" to an and.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120028 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 18:52:42 +00:00
Duncan Sands
e104f1bccb Propagate LeftDistributes and RightDistributes into their only uses. 
Stylistic improvement suggested by Frits van Bommel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120026 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 15:28:14 +00:00
Duncan Sands
c2b1c0b85d Fix typo pointed out by Frits van Bommel and Marius Wachtler. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120025 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 15:25:34 +00:00
Duncan Sands
5057f38141 Exploit distributive laws (eg: And distributes over Or, Mul over Add, etc) in a 
fairly systematic way in instcombine.  Some of these cases were already dealt
with, in which case I removed the existing code.  The case of Add has a bunch of
funky logic which covers some of this plus a few variants (considers shifts to be
a form of multiplication), which I didn't touch.  The simplification performed is:
A*B+A*C -> A*(B+C).  The improvement is to do this in cases that were not already
handled [such as A*B-A*C -> A*(B-C), which was reported on the mailing list], and
also to do it more often by not checking for "only one use" if "B+C" simplifies.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120024 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 14:23:47 +00:00
Kalle Raiskila
0cc5b1f60e Division by pow-of-2 is not cheap on SPU, do it with 
shifts.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120022 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 13:27:59 +00:00
Rafael Espindola
beb6898df8 Implement the rex64 prefix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120017 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 11:23:24 +00:00
Duncan Sands
4cd2ad15b4 Expand a little on the description of what InstructionSimplify does. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120016 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 10:50:08 +00:00
Duncan Sands
b9b369fa99 Clarify that constant folding of instructions applies when all operands 
are constant.  There was in fact one exception to this (phi nodes) - so
remove that exception (InstructionSimplify handles this so there should
be no loss).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120015 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 10:16:18 +00:00
Rafael Espindola
a9d4281cc0 Invalidate the layout on any relaxation, not just Instructions. Bug found by David Meyer. 
While here, remove unused argument and rename UpdateForSlide to Invalidate.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120009 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 08:08:33 +00:00
Rafael Espindola
d93ceeb125 Produce a relocation for pcrel absolute values. Based on a patch by David Meyer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120006 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 07:20:12 +00:00
Cameron Zwarich
2974b6ffbc Optimize a common case in the Lengauer-Tarjan dominators algorithm. This gives a 
9.7% speedup running domtree on test-suite.

Reviewed by Chris Lattner.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120003 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 06:32:37 +00:00
Chris Lattner
9f9bd8e4af Revert functionality doug added in r98575 that was never 
documented and only used by some clang stuff I just removed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120002 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 06:09:51 +00:00
Rafael Espindola
0e11dfc4a6 Reuse data fragments while lowering. Patch by David Meyer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119999 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 05:49:35 +00:00
Zhanyong Wan
cafe0b4e1f Fix formatting nits in the coding standards. Reviewed by clattner. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119998 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 05:03:07 +00:00
Chris Lattner
92267bb35a fix this harder. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119994 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 04:26:12 +00:00
Chris Lattner
e57016ab1f fix a bug I introduced on the other side of the #ifdef 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119993 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 04:19:56 +00:00
Chris Lattner
3afc385042 reimplement SwapByteOrder.h in terms of overloading instead of 
being in terms of excessively complex template logic.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119992 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 04:04:25 +00:00
Wesley Peck
bf17cfa3f9 Renaming ISD::BIT_CONVERT to ISD::BITCAST to better reflect the LLVM IR concept. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119990 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 03:31:01 +00:00
Chris Lattner
5400570097 add a 'LLVMConstIntOfArbitraryPrecision' api to the C api, 
patch by Greg Pfeil!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119989 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 02:47:22 +00:00
Chris Lattner
79b967bd9f duncan's spider sense was right, I completely reversed the condition 
on this instcombine xform.  This fixes a miscompilation of 403.gcc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119988 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 02:42:04 +00:00
Chris Lattner
2e1a75d6f4 filecheckize 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119987 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-23 02:26:52 +00:00
Jason W Kim
1090742689 Fixed some style issues (no _, no spc after !) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119986 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-22 22:05:16 +00:00
Rafael Espindola
d80f8d08ce Remove duplicated constants. Thanks to Jason for noticing it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119985 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-22 21:49:05 +00:00
Benjamin Kramer
93f8455d73 InstCombine: Implement X - A*-B -> X + A*B. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119984 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-22 20:31:27 +00:00
Jason W Kim
28ef0a5719 Make the <ARCH>ELFObjectWriter statics private 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119982 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-22 18:57:00 +00:00
Jason W Kim
ccbe000e09 Fix misplaced statics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119981 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-22 18:47:05 +00:00
Jason W Kim
858e7506e1 Kill trailing whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119979 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-22 18:42:07 +00:00
Jason W Kim
4a511f0be2 Refactor the ELFRelocationEntry (pull up) and move the arch-specific statics to inside the class where it belongs. 
Next step is to rationally break apart the RecordRelocation()

Probably the step will be to have 1 member function for ech slot of the ELFRelocationEntry()





git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119978 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-22 18:41:13 +00:00
Evan Cheng
ab5c703fdb Fix epilogue codegen to avoid leaving the stack pointer in an invalid 
state. Previously Thumb2 would restore sp from fp like this:
mov sp, r7
sub, sp, #4
If an interrupt is taken after the 'mov' but before the 'sub', callee-saved
registers might be clobbered by the interrupt handler. Instead, try
restoring directly from sp:
add sp, #4
Or, if necessary (with VLA, etc.) use a scratch register to compute sp and
then restore it:
sub.w r4, r7, #8
mov sp, r7
rdar://8465407


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119977 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-22 18:12:04 +00:00
Mikhail Glushenkov
4d5a299790 Add a newline. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119976 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-22 17:10:20 +00:00
Mikhail Glushenkov
028941379d llvmc: Make -march/-mcpu/-mtune behaviour more consistent with gcc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119975 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-22 17:10:09 +00:00