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Author SHA1 Message Date
Bill Wendling
8b2c8a5856 Fix whitespace. 
llvm-svn: 117002
 2010-10-21 06:25:08 +00:00
Wesley Peck
b100615cc6 Removing stale AsmPrinter directory from MicroBlaze backend. 
llvm-svn: 116998
 2010-10-21 05:05:06 +00:00
Oscar Fuentes
00ad8b9b29 Deleted lib/Target/MBlaze/AsmPrinter/CMakeLists.txt. This way the 
CMake build does not try to build that library, which collides with
MBlaze/InstPrinter.

llvm-svn: 116997
 2010-10-21 05:01:26 +00:00
Wesley Peck
d646a12f25 Recommit 116986 with capitalization typo fixed. 
llvm-svn: 116993
 2010-10-21 03:57:26 +00:00
Andrew Trick
4a3b819c1f putback r116983 and fix simple-fp-encoding.ll tests 
llvm-svn: 116992
 2010-10-21 03:40:16 +00:00
Wesley Peck
3478e641b9 Reverting the commit 116986. It was breaking the build on llvm-x86_64-linux though it 
compiles on OS X. I'll ensure that it builds on a linux machine before committing
again.

llvm-svn: 116991
 2010-10-21 03:34:22 +00:00
Owen Anderson
7da515c665 Revert r116983, which is breaking all the buildbots. 
llvm-svn: 116987
 2010-10-21 03:11:16 +00:00
Wesley Peck
c50372298d Major update of the MicroBlaze backend. The new features are: 
1. A delay slot filler that searches for valid instructions
       to fill the delay slot with. Previously NOPs would always
       be inserted into delay slots.
    2. Support for MC based instruction printer added.
    3. Support for MC based machine code generation and ELF
       file generation. ELF file generation does not yet
       completely work as much of the ELF support infrastructure
       is still x86/x86-64 specific.
    4. General clean up of the MBlaze backend code. Much of the
       tablegen code has been cleanup and simplified.

Bug Fixes:
    1. Removed duplicate periods from subtarget feature descriptions.
    2. Many of the instructions had bad machine code information
       in the tablegen files. Much of this has been fixed.

llvm-svn: 116986
 2010-10-21 03:09:55 +00:00
Wesley Peck
00cc1b6983 Adding the EM_MBLAZE value to the machine architectures enumeration to 
support future ELF file generation by the MBlaze backend.

llvm-svn: 116985
 2010-10-21 02:52:59 +00:00
Michael J. Spencer
5a68d7ce94 X86: Add alloca probing to dynamic alloca on Windows. Fixes PR8424. 
llvm-svn: 116984
 2010-10-21 01:41:01 +00:00
Evan Cheng
0b9eaaf45d Add missing scheduling itineraries for transfers between core registers and VFP registers. 
llvm-svn: 116983
 2010-10-21 01:12:00 +00:00
Owen Anderson
a685f8e90a Implement correct encodings for NEON vadd, both integer and floating point. 
llvm-svn: 116981
 2010-10-21 00:48:00 +00:00
Michael J. Spencer
b9cffadc06 CodeGen-Windows: Only emit _fltused if a VarArg function is called with floating point args. 
This should be the minimum set of functions that could possibly need it.

llvm-svn: 116978
 2010-10-21 00:08:21 +00:00
Eric Christopher
7989939d87 Custom lower f64 args passed in integer registers. 
llvm-svn: 116977
 2010-10-21 00:01:47 +00:00
Michael J. Spencer
54b462089f Fix Whitespace. 
llvm-svn: 116972
 2010-10-20 23:40:27 +00:00
Bill Wendling
c7ef66fcf2 Add encoding for moving a value between two ARM core registers and a doublework 
extension register.

llvm-svn: 116970
 2010-10-20 23:37:40 +00:00
Jakob Stoklund Olesen
03fd8bf61c Remember to keep track of rematted values. 
llvm-svn: 116962
 2010-10-20 22:50:42 +00:00
Bill Wendling
0f96ff63b3 Add encodings for movement between ARM core registers and single-precision 
registers.

llvm-svn: 116961
 2010-10-20 22:44:54 +00:00
Dan Gohman
369ce9c96c Memdep says that an instruction clobbers itself 
when it means there is no specific clobber instruction.

llvm-svn: 116960
 2010-10-20 22:37:41 +00:00
Owen Anderson
9e9ae1b048 Attempt to fix valgrind complaining about (benign) leaks in pass registration by having PassRegistry 
delete PassInfo objects that were created using new-style initialization.

llvm-svn: 116959
 2010-10-20 22:22:30 +00:00
Dan Gohman
3376c4f08d Factor out the main aliasing check into a separate function. 
llvm-svn: 116958
 2010-10-20 22:11:14 +00:00
Dan Gohman
afaaf2f56b Add some comments. 
llvm-svn: 116957
 2010-10-20 22:04:02 +00:00
Evan Cheng
9a06e4c7c8 More accurate estimate / tracking of register pressure. 
- Initial register pressure in the loop should be all the live defs into the
  loop. Not just those from loop preheader which is often empty.
- When an instruction is hoisted, update register pressure from loop preheader
  to the original BB.
- Treat only use of a virtual register as kill since the code is still SSA.

llvm-svn: 116956
 2010-10-20 22:03:58 +00:00
Dale Johannesen
a324c8c6bd Fix crash introduced in 116852. 8573915. 
llvm-svn: 116955
 2010-10-20 22:03:37 +00:00
Dan Gohman
599a664758 Fix comments; the type graph is currently a tree, not a DAG. 
llvm-svn: 116954
 2010-10-20 22:02:58 +00:00
Jason W Kim
3dc75181ae Cut unneeded global variable. 
llvm-svn: 116953
 2010-10-20 22:01:39 +00:00
Jakob Stoklund Olesen
9121d7b293 Move some of the InlineSpiller rematerialization code into LiveRangeEdit. 
llvm-svn: 116951
 2010-10-20 22:00:51 +00:00
Dale Johannesen
58fe3193a6 Remove Synthesizable from the Type system; as MMX vector 
types are no longer Legal on X86, we don't need it.
No functional change.  8499854.

llvm-svn: 116947
 2010-10-20 21:32:10 +00:00
Jakob Stoklund Olesen
c04876b607 When SimpleRegisterCoalescing is trimming kill flags on a physical register 
operand, also check if subregisters are killed.

Add <imp-def> operands for subregisters that remain alive after a super register
is killed.

I don't have a testcase for this that reproduces on trunk. <rdar://problem/8441758>

llvm-svn: 116940
 2010-10-20 18:45:55 +00:00
Rafael Espindola
0a50bbaee1 Handle _GLOBAL_OFFSET_TABLE_ correctly. 
llvm-svn: 116932
 2010-10-20 16:46:08 +00:00
Michael J. Spencer
fd40803107 Use C++03... 
llvm-svn: 116927
 2010-10-20 16:00:45 +00:00
Michael J. Spencer
2da558d210 System-Win32/Path: Fix incorrect assumption in isValid. 
A recent commit to clang exposed a bug in the Win32 Path code. This is a
minimal fix for it.

llvm-svn: 116925
 2010-10-20 15:23:58 +00:00
Chandler Carruth
7763c845be Add a comment about ATTRIBUTE_UNUSED to avoid further confusion over when to 
use it.

llvm-svn: 116920
 2010-10-20 08:44:27 +00:00
Chandler Carruth
55850cad48 Remove remaining uses of ATTRIBUTE_UNUSED on variables, and delete three 
#includes in the process.

llvm-svn: 116919
 2010-10-20 08:27:02 +00:00
Eric Christopher
78c7e84ce5 Fix a TODO by removing some unnecesary copies. 
llvm-svn: 116915
 2010-10-20 08:02:24 +00:00
Rafael Espindola
749c19f614 Record sysbols created by aliases. Fixes PR8414. 
llvm-svn: 116910
 2010-10-20 04:57:22 +00:00
NAKAMURA Takumi
0f54a81d63 Add ATTRIBUTE_UNUSED for -Asserts. 
llvm-svn: 116909
 2010-10-20 04:05:29 +00:00
Tobias Grosser
88ce93b0eb Add RegionPass support. 
A RegionPass is executed like a LoopPass but on the regions detected by the
RegionInfo pass instead of the loops detected by the LoopInfo pass.

llvm-svn: 116905
 2010-10-20 01:54:44 +00:00
Douglas Gregor
1e64599cb3 Fix CMake build 
llvm-svn: 116903
 2010-10-20 01:36:56 +00:00
Anders Carlsson
cb8b02dd95 Add a way to emit StringSwitch of clang attribute spellings. 
llvm-svn: 116899
 2010-10-20 01:21:53 +00:00
Jim Grosbach
ebb4bc2c05 Fix backwards conditional. 
llvm-svn: 116897
 2010-10-20 01:10:01 +00:00
Dan Gohman
c781a28a1d Make CodeGen TBAA-aware. 
llvm-svn: 116890
 2010-10-20 00:31:05 +00:00
Jim Grosbach
c77e19ac99 Add dynamic realignment when rematerializing the base register. 
llvm-svn: 116886
 2010-10-20 00:02:50 +00:00
Jim Grosbach
5f33ecfc98 Nuke a commented out bit that got missed a while back. 
llvm-svn: 116883
 2010-10-19 23:48:47 +00:00
Jim Grosbach
b390dd1bd5 Spelling typo fix. s/incput/input/. Thanks, Bob! 
llvm-svn: 116880
 2010-10-19 23:39:23 +00:00
Jim Grosbach
a8c0be5343 Add a pre-dispatch SjLj EH hook on the unwind edge for targets to do any 
setup they require. Use this for ARM/Darwin to rematerialize the base
pointer from the frame pointer when required. rdar://8564268

llvm-svn: 116879
 2010-10-19 23:27:08 +00:00
Dan Gohman
399ef0b44a Move NoAA out of BasicAliasAnalysis.cpp into its own file, now that 
it doesn't have a special relationship with BasicAliasAnalysis
anymore.

llvm-svn: 116876
 2010-10-19 23:09:08 +00:00
Dan Gohman
befe1767ff Reapply r116831 and r116839, converting AliasAnalysis to use 
uint64_t, plus fixes for places I missed before.

llvm-svn: 116875
 2010-10-19 22:54:46 +00:00
Douglas Gregor
a598c0fbce Extend StringRef's edit-distance algorithm to permit an upper bound on the allowed edit distance 
llvm-svn: 116867
 2010-10-19 22:13:48 +00:00
Jim Grosbach
d7916d7468 Update comments to remove obsolete references. 
llvm-svn: 116863
 2010-10-19 21:34:47 +00:00