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41bdd97d48
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43707 Commits

Author SHA1 Message Date
Rafael Espindola
41bdd97d48 The sections that the ELF object writer has to create are very simple and 
contain only data. Handle them specially instead of using AddSectionToTheEnd.
This moves a hack from the generic assembler to the elf writer. It is also
a bit faster and should make other improvements easier.

llvm-svn: 120683
 2010-12-02 03:09:06 +00:00
Devang Patel
525de51e78 If tehre are not any line entry then do not try to emit .debug_line section. 
llvm-svn: 120637
 2010-12-02 01:17:51 +00:00
Jakob Stoklund Olesen
54b6cd6d38 Implement the first half of LiveDebugVariables. 
Scan the MachineFunction for DBG_VALUE instructions, and replace them with a
data structure similar to LiveIntervals. The live range of a DBG_VALUE is
determined by propagating it down the dominator tree until a new DBG_VALUE is
found. When a DBG_VALUE lives in a register, its live range is confined to the
live range of the register's value.

LiveDebugVariables runs before coalescing, so DBG_VALUEs are not artificially
extended when registers are joined.

The missing half will recreate DBG_VALUE instructions from the intervals when
register allocation is complete.

The pass is disabled by default. It can be enabled with the temporary command
line option -live-debug-variables.

llvm-svn: 120636
 2010-12-02 00:37:37 +00:00
Jim Grosbach
0e71db6919 Add support for binary encoding of ARM 'adr' instructions referencing constant 
pool entries (LEApcrel pseudo). Ongoing saga of rdar://8542291.

llvm-svn: 120635
 2010-12-02 00:28:45 +00:00
Devang Patel
409a5ff824 Revert r120580. 
llvm-svn: 120630
 2010-12-02 00:22:29 +00:00
Evan Cheng
4118b24aca Fix and re-enable tail call optimization of expanded libcalls. 
llvm-svn: 120622
 2010-12-01 22:59:46 +00:00
Rafael Espindola
c9af6aea7a Remove unused argument. 
llvm-svn: 120621
 2010-12-01 22:48:11 +00:00
Jason W Kim
7d4b30652e fixing style nit: move class static to global static 
llvm-svn: 120619
 2010-12-01 22:46:50 +00:00
Bill Wendling
d85ff071c0 Add a post encoder method to the VFP instructions to convert them to the Thumb2 
encoding if we're in that mode.

llvm-svn: 120608
 2010-12-01 21:54:50 +00:00
Jim Grosbach
b1b1ff4271 Use the correct fixup type for ARM VLDR* 
llvm-svn: 120604
 2010-12-01 21:09:40 +00:00
Rafael Espindola
16b64c646a Rename temporary symbols if they conflict with artificial symbols created 
by the assembler. This was blocking parsing any large .s produced by clang for
example.

Fixes PR8596.

llvm-svn: 120603
 2010-12-01 20:46:11 +00:00
Michael J. Spencer
8908ec62e4 Support/FileSystem: Fix copy_file implementation to use toNullTerminatedStringRef 
instead of toStringRef. The file system APIs need c strings.

llvm-svn: 120601
 2010-12-01 20:37:42 +00:00
Michael J. Spencer
03bbd0f21d Support/ADT/Twine: Add toNullTerminatedStringRef. 
llvm-svn: 120600
 2010-12-01 20:37:30 +00:00
Jim Grosbach
b2a12afa5f Refactor LEApcrelJT as a pseudo-instructionlowered to a cannonical ADR 
instruction at MC lowering. Add binary encoding information for the ADR,
including fixup data for the label operand.

llvm-svn: 120594
 2010-12-01 19:47:31 +00:00
Michael J. Spencer
42a5674c7a Support/FileSystem: Add copy_file implementation. Not tests yet because the 
file creation APIs aren't implemented.

llvm-svn: 120593
 2010-12-01 19:32:01 +00:00
Owen Anderson
8802c68592 Add correct encodings for STRD and LDRD, including fixup support. Additionally, update these to unified syntax. 
llvm-svn: 120589
 2010-12-01 19:18:46 +00:00
Jason W Kim
d468d24fc9 kill trailing space 
llvm-svn: 120586
 2010-12-01 19:07:22 +00:00
Jim Grosbach
538c57aeed Fix a mised reloc rename spot. 
llvm-svn: 120585
 2010-12-01 19:02:26 +00:00
Jim Grosbach
25b2b536f3 10 bits, not 12. 
llvm-svn: 120584
 2010-12-01 18:51:32 +00:00
Devang Patel
e68cb5a5cf Disable debug info for x86-darwin9 and earlier until PR 8715 and radar 8709290 are fixed. 
llvm-svn: 120580
 2010-12-01 16:59:34 +00:00
Duncan Sands
cd4f56b8e2 I don't think it makes any sense to assert that the target supports SSE3 here. 
The user (i.e. whoever generated a call to the intrinsic in the first place) is
essentially asking for a particular instruction to be placed in the assembler.
If that instruction won't execute on the target machine, that's their problem
not ours.  Two buildbots with processors that don't support SSE3 were barfing
on the apm.ll test in CodeGen/X86 because of this assertion.

llvm-svn: 120574
 2010-12-01 12:58:13 +00:00
Che-Liang Chiou
c61d8fa0e3 ptx: bug fix: use after free 
llvm-svn: 120571
 2010-12-01 11:45:53 +00:00
Jay Foad
789e8ac4f7 PR5207: Rename overloaded APInt methods set(), clear(), flip() to 
setAllBits(), setBit(unsigned), etc.

llvm-svn: 120564
 2010-12-01 08:53:58 +00:00
Michael J. Spencer
1796028f41 Support/PathV2: Add is_{absolute,relative} implementation. 
llvm-svn: 120560
 2010-12-01 06:21:53 +00:00
Michael J. Spencer
5aa4703418 Support/PathV2: Add has_{root_path,root_name,root_directory,parent_path,filename,stem,extension} implementation. 
llvm-svn: 120559
 2010-12-01 06:03:50 +00:00
Jim Grosbach
a3e6ffffe5 Elaborate on FIXME. 
llvm-svn: 120552
 2010-12-01 04:01:17 +00:00
Jim Grosbach
b2044fcba1 Move the ARMAsmPrinter class defintiion into a header file. 
llvm-svn: 120551
 2010-12-01 03:45:07 +00:00
Michael J. Spencer
f6333e887f Support/PathV2: Add extension implementation. 
llvm-svn: 120550
 2010-12-01 03:37:41 +00:00
Evan Cheng
84162760b7 Speculatively disable x86 portion of r120501 to appease the x86_64 buildbot. 
llvm-svn: 120549
 2010-12-01 03:27:20 +00:00
Michael J. Spencer
14039e9883 Support/PathV2: Add stem implementation. 
llvm-svn: 120547
 2010-12-01 03:18:33 +00:00
Michael J. Spencer
c3aaf36678 Support/PathV2: Add filename implementation. 
llvm-svn: 120546
 2010-12-01 03:18:17 +00:00
Bill Wendling
e62557dc3c Remove "comparison of integers of different signs" warning by making the 
variable unsigned.

llvm-svn: 120541
 2010-12-01 02:49:04 +00:00
Michael J. Spencer
4beee08409 Support/PathV2: Add native implementation. 
llvm-svn: 120539
 2010-12-01 02:48:27 +00:00
Dan Gohman
3ff3bc0c31 Delete Path::appendSuffix's return value; it wasn't used anywhere, which 
is fine since isn't really necessary to check isValid there anyway.

llvm-svn: 120538
 2010-12-01 02:46:41 +00:00
Bill Wendling
4fc1c4ee84 General cleanups of comments. 
llvm-svn: 120536
 2010-12-01 02:42:55 +00:00
Jason W Kim
4d960e071c ARM/MC/ELF relocation "hello world" for movw/movt. 
Lifted adjustFixupValue() from Darwin for sharing w ELF.
Test added
TODO:
  refactor ELFObjectWriter::RecordRelocation more.
  Possibly share more code with Darwin?
  Lots more relocations...

llvm-svn: 120534
 2010-12-01 02:40:06 +00:00
Bill Wendling
b7635b1ed3 Formatting. It's all the rage! 
llvm-svn: 120533
 2010-12-01 02:36:55 +00:00
Bill Wendling
8861fb7484 More refactoring. This time the T1pI pattern. 
llvm-svn: 120532
 2010-12-01 02:28:08 +00:00
Eric Christopher
5f7eeae6ba Refactor load/store handling again. Simplify and make some room for 
reg+reg handling.

llvm-svn: 120526
 2010-12-01 01:40:24 +00:00
Jan Wen Voung
c34fbc5bb1 Initialize an ARMConstantPoolValue field. 
llvm-svn: 120525
 2010-12-01 01:38:58 +00:00
Bill Wendling
ccfea264ff s/T1pIEncode/T1pILdStEncode/g 
s/T1pIEncodeImm/T1pILdStEncodeImm/g

llvm-svn: 120524
 2010-12-01 01:38:08 +00:00
Bill Wendling
517dd72f06 Renaming variables to coincide with documentation. No functionality change. 
llvm-svn: 120522
 2010-12-01 01:32:02 +00:00
Chris Lattner
c3112f1e94 fix a bozo bug I introduced in r119930, causing a miscompile of 
20040709-1.c from the gcc testsuite.  I was using the size of a
pointer instead of the pointee.  This fixes rdar://8713376

llvm-svn: 120519
 2010-12-01 01:24:55 +00:00
Bill Wendling
8ebed2442e Refactor T1sI and T1sIt encodings into helper classes. 
llvm-svn: 120518
 2010-12-01 01:20:15 +00:00
Michael J. Spencer
8d5c96c575 Support/PathV2: Add replace_extension implementation. 
llvm-svn: 120514
 2010-12-01 00:52:55 +00:00
Michael J. Spencer
5ac386d311 Support/PathV2: Add remove_filename implementation. 
llvm-svn: 120513
 2010-12-01 00:52:28 +00:00
Bill Wendling
60d0e1a06c Refactor the T1sIt encodings into a parent class to get rid of all of the "let" 
statements.

llvm-svn: 120512
 2010-12-01 00:48:44 +00:00
Owen Anderson
2299afbb49 Use by-name rather than by-order matching for NEON operands. 
llvm-svn: 120507
 2010-12-01 00:28:25 +00:00
Andrew Trick
a2cec41172 Comment typo. 
llvm-svn: 120504
 2010-11-30 23:59:50 +00:00
Evan Cheng
f7e586d749 Enable sibling call optimization of libcalls which are expanded during 
legalization time. Since at legalization time there is no mapping from
SDNode back to the corresponding LLVM instruction and the return
SDNode is target specific, this requires a target hook to check for
eligibility. Only x86 and ARM support this form of sibcall optimization
right now.
rdar://8707777

llvm-svn: 120501
 2010-11-30 23:55:39 +00:00