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37123 Commits

Author SHA1 Message Date
Evan Cheng
a544f02286 Fix an incorrect logic causing instcombine to miss some _chk -> non-chk transformations. 
llvm-svn: 99263
 2010-03-23 06:06:09 +00:00
Bob Wilson
2764399dd8 Change VLD1 instructions for loading Q register values to operate on pairs 
of D registers.  Add a separate VLD1q instruction with a Q register
destination operand for use by loadRegFromStackSlot.

llvm-svn: 99261
 2010-03-23 05:25:43 +00:00
Daniel Dunbar
14c84e0c3b MC: Switch to using MCInst fragments to do relaxation. 
Also, both MCMachOStreamer and MCAssembler are now target independent!

llvm-svn: 99256
 2010-03-23 05:09:03 +00:00
Daniel Dunbar
47743ae59a MC: Add TargetAsmBackend::MayNeedRelaxation, for checking whether a particular instruction + fixups might need relaxation. 
llvm-svn: 99249
 2010-03-23 03:13:05 +00:00
Daniel Dunbar
b33d212057 MC: Add TargetAsmBackend::WriteNopData and use to eliminate some target dependencies in MCMachOStreamer and MCAssembler. 
llvm-svn: 99248
 2010-03-23 02:36:58 +00:00
Daniel Dunbar
1595ebfb4b MC: Add TargetAsmBackend::RelaxInstruction callback, and custom X86 implementation. 
llvm-svn: 99245
 2010-03-23 01:39:09 +00:00
Daniel Dunbar
ae8d914c58 MC: Tweak MCInstFragment to include the encoded data and fixups, so that we don't need to recompute them during relaxation. I will revisit this once all the other pieces of fast relaxation are in place. 
llvm-svn: 99244
 2010-03-23 01:39:05 +00:00
Jeffrey Yasskin
b9c181ea1a Put MCSectionCOFF::Name into the MCContext instead of leaking it. 
llvm-svn: 99231
 2010-03-22 23:26:12 +00:00
Daniel Dunbar
0f6983752f MC: Add MCInstFragment, not used yet. 
llvm-svn: 99229
 2010-03-22 23:16:48 +00:00
Daniel Dunbar
1836f73559 Add a FIXME. 
llvm-svn: 99228
 2010-03-22 23:16:43 +00:00
Chris Lattner
772ef50bf1 Fix PR6673: updating the callback should not clear the map. 
llvm-svn: 99227
 2010-03-22 23:15:57 +00:00
Devang Patel
bb15b15726 Emit DW_AT_low_pc and DW_AT_high_pc attributes for TAG_compile_unit. 
llvm-svn: 99225
 2010-03-22 23:11:36 +00:00
Evan Cheng
2c663b34d0 Fix 80 col violation. 
llvm-svn: 99224
 2010-03-22 22:44:31 +00:00
Devang Patel
48af12e998 DW_AT_stmt_list attribute attached with a compile unit encodes offset of line number information for this compile unit in debug_line section. This offset is always zero when only one compile unit is emitted in a object file. 
llvm-svn: 99223
 2010-03-22 22:38:48 +00:00
Daniel Dunbar
4b5c134c5b MC: Fix a few more cases we were passing an MCDataFragment when a MCFragment would do, and sprinkle in some const. 
llvm-svn: 99218
 2010-03-22 21:49:41 +00:00
Daniel Dunbar
a8a7a9b5aa Simplify. 
llvm-svn: 99217
 2010-03-22 21:49:38 +00:00
Daniel Dunbar
38fd48e06b MCInst: Add ::dump_pretty. 
llvm-svn: 99216
 2010-03-22 21:49:34 +00:00
Evan Cheng
fa5c3ec6b4 Reduce indentation. 
llvm-svn: 99214
 2010-03-22 21:24:33 +00:00
Chris Lattner
c4be1194e5 Change intrinsic result type for void to store it as an empty list 
instead of as a single element list with VoidTy.  Now with a fix
for the verifier.

llvm-svn: 99206
 2010-03-22 20:56:36 +00:00
Daniel Dunbar
6a91d2767b MC: Change MCObjectWriter::RecordRelocation to take an MCFragment (instead of a MCDataFragment). Object files should only need the generic MCFragment features. 
llvm-svn: 99205
 2010-03-22 20:35:50 +00:00
Daniel Dunbar
e7900757bd MC/Mach-O: Factor out getOrCreateDataFragment(). 
llvm-svn: 99204
 2010-03-22 20:35:46 +00:00
Daniel Dunbar
264c33a099 MC: Eliminate MCFragment::getMaxFileSize. 
llvm-svn: 99203
 2010-03-22 20:35:43 +00:00
Daniel Dunbar
6ea8fe65e7 MC: Share the MCAsmLayout object, although its still not used for anything important. 
llvm-svn: 99202
 2010-03-22 20:35:35 +00:00
Bob Wilson
0741acde00 Rename one more NEON instruction that I missed earlier. 
llvm-svn: 99201
 2010-03-22 20:31:39 +00:00
Jeffrey Yasskin
14b8c19bcc Fix a memory leak from DIE::addSiblingOffset() by adding the DIEValue 
it allocates to DwarfDebug::DIEValues.

llvm-svn: 99196
 2010-03-22 18:47:14 +00:00
Evan Cheng
fdbab53b94 80 col violation. 
llvm-svn: 99195
 2010-03-22 18:40:50 +00:00
Bob Wilson
80b4f21ab7 Regroup some instructions. No functional change. 
llvm-svn: 99192
 2010-03-22 18:22:06 +00:00
Bob Wilson
f23a45e151 Rename some VLD1/VST1 instructions to match the implementation, i.e., the 
corresponding NEON instructions, instead of operation they are currently
used for.

llvm-svn: 99189
 2010-03-22 18:13:18 +00:00
Bob Wilson
8ff1029669 Remove some redundant instruction classes. 
llvm-svn: 99187
 2010-03-22 18:02:38 +00:00
Bob Wilson
0e5d42fb54 Refactor instruction encoding arguments for VLDnLN/VSTnLN classes to 
specify encoding bits in arguments instead of "let" expressions.

llvm-svn: 99185
 2010-03-22 16:43:10 +00:00
Jakob Stoklund Olesen
2b348bdbcd Completely remove Blackfin patterns that thought JustCC was i1. 
Thanks, Chris!

llvm-svn: 99183
 2010-03-22 16:30:04 +00:00
Jeffrey Yasskin
cf13a6f8bb Don't leak a MachineInstruction from Thumb1InstrInfo::restoreCalleeSavedRegisters. 
llvm-svn: 99182
 2010-03-22 16:13:21 +00:00
Gabor Greif
ef64581628 backing out r99170 because it still fails on clang-x86_64-darwin10-fnt 
llvm-svn: 99171
 2010-03-22 09:11:00 +00:00
Gabor Greif
04f7f381ae Now that hopefully all direct accesses to InvokeInst operands are fixed 
we can reapply the InvokeInst operand reordering patch. (see r98957).

llvm-svn: 99170
 2010-03-22 08:28:00 +00:00
Jeffrey Yasskin
94ecd53a3a Free all Constants in ~LLVMConstantImpl. We avoid assertion failures 
by dropping all references from all constants that can use other
constants before trying to destroy any of them.

I also had to free bugpoint's Module in ~BugDriver().

llvm-svn: 99160
 2010-03-22 05:23:37 +00:00
Jeffrey Yasskin
f4aab98729 Re-add the Metadata.h include to LLVMContextImpl.h so that MDNode is complete 
where FoldingSet<MDNode> is instantiated.  Clang and MSVC complain; gcc
doesn't.

llvm-svn: 99147
 2010-03-21 22:08:41 +00:00
Jeffrey Yasskin
98a4091e4a Move the LLVMContextImpl implementation into a .cpp file. 
llvm-svn: 99146
 2010-03-21 21:17:34 +00:00
Jeffrey Yasskin
50a0593887 Memoize InlineAsms into the LLVMContext and delete them on shutdown. 
Fixes PR803.

llvm-svn: 99143
 2010-03-21 20:37:19 +00:00
Jeffrey Yasskin
7329f1c7bd Free SavedLI even if SimpleRegisterCoalescing::JoinCopy() returns early. 
llvm-svn: 99113
 2010-03-21 01:47:49 +00:00
Daniel Dunbar
754ec15462 MC/X86: Fix an MCOperand link, when we parsing shrld $1,%eax and friends; I believe this fixes the last memory leaks under test/MC. 
llvm-svn: 99102
 2010-03-20 22:36:38 +00:00
Daniel Dunbar
2c99d47702 TargetRegistry: Fix create{AsmInfo,MCDisassembler} to return non-const objects. 
llvm-svn: 99097
 2010-03-20 22:36:22 +00:00
Bob Wilson
e5614d6b2d pr6652: Use LDM to restore PC to the return address on ARMv4. 
Patch by John Tytgat!

llvm-svn: 99096
 2010-03-20 22:20:40 +00:00
Bob Wilson
73d7323c91 Re-commit r98683 ("remove redundant writeback flag from ARM address mode 6") 
with changes to add a separate optional register update argument.  Change all
the NEON instructions with address register writeback to use it.

llvm-svn: 99095
 2010-03-20 22:13:40 +00:00
Bob Wilson
c0f7724ecd Add instruction variants for VST2, VST3, and VST4 "store-lane" operations with 
address register writeback.

llvm-svn: 99094
 2010-03-20 21:57:36 +00:00
Bob Wilson
076aa52a4f Add variants of VST2, VST3 and VST4 with address register writeback, and 
rewrite the existing VST3 and VST4 instructions to use the same classes as
the others.

llvm-svn: 99093
 2010-03-20 21:45:18 +00:00
Bob Wilson
7578eb20da Add instructions for double-spaced VST3 and VST4 without address register 
writeback, and refactor the existing double-spaced VST2 instructions.
These are only for the disassembler since codegen doesn't use them, at
least for now.

llvm-svn: 99090
 2010-03-20 21:15:48 +00:00
Gabor Greif
abb84bec5c Add a setCalledFunction member to InvokeInst (like in CallInst) 
and use this (as well as getCalledValue) to access the callee,
instead of {g|s}etOperand(0).

llvm-svn: 99084
 2010-03-20 21:00:25 +00:00
Bob Wilson
1106af1257 Add VST1 instructions with address register writeback. 
llvm-svn: 99083
 2010-03-20 20:54:36 +00:00
Bob Wilson
88757e6720 Add instruction variants for VLD2, VLD3, and VLD4 "load-lane" operations with 
address register writeback.

llvm-svn: 99082
 2010-03-20 20:47:18 +00:00
Bob Wilson
e70bdcb2a7 Tidy some more comments and whitespace. 
llvm-svn: 99081
 2010-03-20 20:39:53 +00:00