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Author SHA1 Message Date
Devang Patel
0136a7ebec Simplify. 
llvm-svn: 83123
 2009-09-30 00:14:40 +00:00
David Goodwin
a282690f82 Remove -post-RA-schedule flag and add a TargetSubtarget method to enable post-register-allocation scheduling. By default it is off. For ARM, enable/disable with -mattr=+/-postrasched. Enable by default for cortex-a8. 
llvm-svn: 83122
 2009-09-30 00:10:16 +00:00
Douglas Gregor
66fc2ea1c2 Forward-declare ValueSymbolTable so that SymbolTableListTraits.h can be parsed by itself 
llvm-svn: 83121
 2009-09-30 00:08:25 +00:00
Mike Stump
a3bce35a07 Add a way for a frontend to generate more complex dwarf location 
information.  This allows arbitrary code involving DW_OP_plus_uconst
and DW_OP_deref.  The scheme allows for easy extention to include,
any, or all of the DW_OP_ opcodes.  I thought about just exposing all
of them, but, wasn't sure if people wanted the dwarf opcodes exposed
in the api.  Is that a layering violation?

With this scheme, the entire existing block scheme used by llvm-gcc
can be switched over to the new scheme.  I think that would be
cleaner, as then the compiler specific bits are not present in llvm
proper.  Before the old code can be yanked however, similar code in
clang would have to be removed.

Next up, more testing.

llvm-svn: 83120
 2009-09-30 00:08:22 +00:00
Jim Grosbach
278d0d5b3d minor cleanup and add clarifying comment 
llvm-svn: 83117
 2009-09-29 23:17:20 +00:00
Devang Patel
c1e370a29c Lookup handler name only when assertions are enabled. 
llvm-svn: 83114
 2009-09-29 22:05:52 +00:00
Devang Patel
39b5b72d74 Add removeMD(). 
llvm-svn: 83107
 2009-09-29 20:42:25 +00:00
Devang Patel
292bcd8ca1 Only one custom meadata of each kind can be attached with an instruction. 
llvm-svn: 83105
 2009-09-29 20:30:57 +00:00
Jim Grosbach
f759d3c1c5 Additional check for regno==0 
llvm-svn: 83103
 2009-09-29 20:11:10 +00:00
Devang Patel
351585921d Use assertion instead of early exit to catch malformed custom metadata store. 
llvm-svn: 83102
 2009-09-29 20:01:19 +00:00
Devang Patel
5dcd8e1d86 Remove unnecessary cast. 
llvm-svn: 83100
 2009-09-29 19:56:13 +00:00
Devang Patel
e5be8e79df Remove std::string uses from DebugInfo interface. 
llvm-svn: 83083
 2009-09-29 18:40:58 +00:00
Devang Patel
5cad2b8f0f Create empty StringRef is incoming cstring is NULL. 
llvm-svn: 83082
 2009-09-29 18:39:56 +00:00
Jim Grosbach
0e6ac9047c Simplify the tracking of virtual frame index registers. Ranges cannot overlap, 
so a simple "current register" will suffice. Also add some additional
sanity-checking assertions to make sure things are as we expect.

llvm-svn: 83081
 2009-09-29 18:23:15 +00:00
Jim Grosbach
6f6bc51d3b Moving register scavenging to a post pass results in virtual registers in 
the instruction we're scavenging for. The scavenger needs to know to avoid
them when analyzing register usage.

llvm-svn: 83077
 2009-09-29 17:24:37 +00:00
David Goodwin
34aa421e3a Post-RA regressions. 
llvm-svn: 83075
 2009-09-29 17:10:26 +00:00
Evan Cheng
d2bf81c7af Fix PR4687. Pre ARMv5te does not support ldrd / strd. Patch by John Tytgat. 
llvm-svn: 83058
 2009-09-29 07:07:30 +00:00
Nick Lewycky
e41779dc58 Regenerate. 
llvm-svn: 83052
 2009-09-29 06:18:23 +00:00
Nick Lewycky
f269c667b1 Fix configure bug that only shows up in a clean build. Don't try to invoke gcc 
until after the compiler itself has been set up.

llvm-svn: 83051
 2009-09-29 06:18:00 +00:00
Nick Lewycky
b85f2baf3f Roll back r83048. 
llvm-svn: 83050
 2009-09-29 05:48:51 +00:00
Nick Lewycky
c43baa1c55 Regenerate. 
llvm-svn: 83048
 2009-09-29 05:41:21 +00:00
Nick Lewycky
a2401a5692 On Linux, uname -m reports the kernel type. Some Linux systems are 32-bit but 
with a 64-bit kernel, which confuses LLVM. Make LLVM double-check this by
checking which defines the system gcc actually sets.

llvm-svn: 83047
 2009-09-29 05:40:45 +00:00
Devang Patel
629ad89954 Parse custom metadata attached with an instruction. 
llvm-svn: 83033
 2009-09-29 00:01:14 +00:00
Stuart Hastings
3843d7f06d B&I's buildit forces a PATH that omits /Developer. Temporarily add 
/Developer/usr/bin to the PATH when looking for llvm-gcc.

llvm-svn: 83028
 2009-09-28 23:42:38 +00:00
Stuart Hastings
5de4dcc406 For B&I-style builds, tweak build_llvm script to prefer LLVM-G++ if 
available.  Override by setting CC and CXX in the environment.

llvm-svn: 83024
 2009-09-28 22:17:53 +00:00
Jim Grosbach
9cb82ce219 Adjust processFunctionBeforeCalleeSavedScan() to correctly reserve a stack 
slot for the register scavenger when compiling Thumb1 functions.

llvm-svn: 83023
 2009-09-28 22:08:06 +00:00
Dan Gohman
74e63461d2 Add C API calls for building FNeg operations. Patch by KS Sreeram! 
llvm-svn: 83021
 2009-09-28 21:51:41 +00:00
Devang Patel
1070b7a713 s/class Metadata/class MetadataContext/g 
llvm-svn: 83019
 2009-09-28 21:41:20 +00:00
Devang Patel
d836a7d651 Do not use global typedef for MDKindID. 
llvm-svn: 83016
 2009-09-28 21:14:55 +00:00
Jeffrey Yasskin
c9884e1d7a Forgot to update the documentation in r82906. s/DEBUG_RUNTIME/DEBUG_SYMBOLS/. 
llvm-svn: 83015
 2009-09-28 21:14:38 +00:00
Devang Patel
3c6697dbb6 Remove unnecessary include. 
llvm-svn: 83013
 2009-09-28 21:06:38 +00:00
Dan Gohman
3e5561cc08 Add a testcase for r83011. 
llvm-svn: 83012
 2009-09-28 21:03:02 +00:00
Dan Gohman
c3081dd9eb When extending the operands of an addrec, iterate through all 
the operands, rather than trying to partition them into a start
and a step. This handles non-affine add recurrences correctly.

llvm-svn: 83011
 2009-09-28 21:01:47 +00:00
Devang Patel
9e2af6ed0b Do not hardcode metadata names. 
llvm-svn: 83010
 2009-09-28 20:56:00 +00:00
Dan Gohman
3c46142f12 Add a CHECK line to check the position of the second divsd. 
llvm-svn: 83009
 2009-09-28 20:48:39 +00:00
Evan Cheng
c15ba1de94 Fix Thumb2 IT block pass bug. t2MOVi32imm may not be the start of a IT block. 
llvm-svn: 83008
 2009-09-28 20:47:15 +00:00
Jakob Stoklund Olesen
5be0f6cfb4 Use KILL instead of IMPLICIT_DEF in LowerSubregs pass. 
llvm-svn: 83007
 2009-09-28 20:32:46 +00:00
Jakob Stoklund Olesen
31fcbdefbb Introduce the TargetInstrInfo::KILL machine instruction and get rid of the 
unused DECLARE instruction.

KILL is not yet used anywhere, it will replace TargetInstrInfo::IMPLICIT_DEF
in the places where IMPLICIT_DEF is just used to alter liveness of physical
registers.

llvm-svn: 83006
 2009-09-28 20:32:26 +00:00
Dan Gohman
a1812df16b Add a testcase to help test analysis preservation. 
llvm-svn: 83002
 2009-09-28 18:40:27 +00:00
Dan Gohman
bfa2d75c49 Create a README.txt for lib/Analysis, and add an entry. 
llvm-svn: 83001
 2009-09-28 18:38:53 +00:00
Devang Patel
5a52b71500 Remove dead code. 
llvm-svn: 82999
 2009-09-28 18:31:56 +00:00
Dan Gohman
ffa11ade11 Use VerifySchedule instead of doing the work manually. 
llvm-svn: 82995
 2009-09-28 16:09:41 +00:00
Dan Gohman
7a5cb984e6 Fix this debug output to handle the case where the loop has been deleted. 
llvm-svn: 82994
 2009-09-28 15:40:01 +00:00
Dan Gohman
aade5fefdb Include the name of the loop header in debug messages. 
llvm-svn: 82993
 2009-09-28 15:07:18 +00:00
Dan Gohman
9776ad2192 Remove a redundant #ifndef and add an assertion string. 
llvm-svn: 82991
 2009-09-28 14:38:19 +00:00
Dan Gohman
f31dae3931 Convert LoopSimplify and LoopExtractor from FunctionPass to LoopPass. 
llvm-svn: 82990
 2009-09-28 14:37:51 +00:00
Bob Wilson
bbcf30c05c Pass the optimization level when constructing the ARM instruction selector. 
Otherwise, it is always set to "default", which prevents debug info from
even being generated during isel.  Radar 7250345.

llvm-svn: 82988
 2009-09-28 14:30:20 +00:00
Evan Cheng
54a1a87862 Make ARM and Thumb2 32-bit immediate materialization into a single 32-bit pseudo 
instruction. This makes it re-materializable.

Thumb2 will split it back out into two instructions so IT pass will generate the
right mask. Also, this expose opportunies to optimize the movw to a 16-bit move.

llvm-svn: 82982
 2009-09-28 09:14:39 +00:00
Daniel Dunbar
92fcc49c24 Don't traverse into .svn directories. 
llvm-svn: 82978
 2009-09-28 07:32:45 +00:00
Anton Korobeynikov
2e54b03741 Fix thinko in my recent movt commit: it's not safe to remat movt, since it has input reg argument. 
Disable rematting of it for now.

llvm-svn: 82975
 2009-09-28 07:26:46 +00:00