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14083 Commits

Author SHA1 Message Date
Jim Grosbach
5b691ebabf Frame indices are signed. Update MachineOperand methods accordingly. 
llvm-svn: 131475
 2011-05-17 18:29:21 +00:00
Jakob Stoklund Olesen
16f11212fc Teach LiveInterval::isZeroLength about null SlotIndexes. 
When instructions are deleted, they leave tombstone SlotIndex entries.
The isZeroLength method should ignore these null indexes.

This causes RABasic to sometimes spill a callee-saved register in the
abi-isel.ll test, so don't run that test with -regalloc=basic.  Prioritizing
register allocation according to spill weight can cause more registers to be
used.

llvm-svn: 131436
 2011-05-16 23:50:05 +00:00
Dan Gohman
9a55240376 Delete unused variables. 
llvm-svn: 131430
 2011-05-16 22:19:54 +00:00
Charles Davis
173b0d324a Add a method I forgot in the last commit. Don't worry, this one passed 
self-host :).

llvm-svn: 131421
 2011-05-16 21:13:58 +00:00
Eli Friedman
cb60e2293f Make fast-isel work correctly s/uadd.with.overflow intrinsics. 
llvm-svn: 131420
 2011-05-16 21:06:17 +00:00
Eli Friedman
5f1b7e4153 Basic fast-isel of extractvalue. Not too helpful on its own, given the IR clang generates for cases like this, but it should become more useful soon. 
llvm-svn: 131417
 2011-05-16 20:27:46 +00:00
Rafael Espindola
e0b15205c1 sets bit 0 of the function address of thumb function in .symtab 
("T is 1 if the target symbol S has type STT_FUNC and the
symbol addresses a Thumb instruction ;it is 0 otherwise."
from "ELF for the ARM Architecture" 4.7.1.2)

Patch by Koan-Sin Tan!

llvm-svn: 131406
 2011-05-16 16:17:21 +00:00
Zhongxing Xu
c520c46129 Remove redundant template partial specilization. 
llvm-svn: 131402
 2011-05-16 12:42:22 +00:00
Rafael Espindola
113d944ce4 Don't do tail calls in a function that call setjmp. The stack might be 
corrupted when setjmp returns again.

llvm-svn: 131399
 2011-05-16 03:05:33 +00:00
Charles Davis
900df11077 Add stub methods to MCStreamer for emitting Win64 exception-handling 
information.

llvm-svn: 131382
 2011-05-15 17:20:01 +00:00
Charles Davis
4b65b621f2 Get rid of extern "C" from the Win64 EH header. 
llvm-svn: 131381
 2011-05-15 17:09:26 +00:00
Charles Davis
d2f0eca76c Add a header containing definitions used to implement Win64 exception handling. 
llvm-svn: 131380
 2011-05-15 14:42:22 +00:00
Nick Lewycky
20b27eebdc Declare this function here so that it doesn't get C++ mangling. 
llvm-svn: 131379
 2011-05-15 07:20:34 +00:00
John McCall
d24d94c11c Add an operator+= for appending StringRefs onto std::strings. 
Previously this pattern would be compiled using an implicit conversion
to std::string.

llvm-svn: 131325
 2011-05-13 23:58:45 +00:00
Dylan Noblesmith
7181ae008c ExecutionEngine: push TargetMachine creation into clients (v2) 
In particular, into EngineBuilder. This should only impact
the private API between the EE and EB classes, not external
clients, since JITCtor and MCJITCtor are both protected members.

llvm-svn: 131317
 2011-05-13 21:51:29 +00:00
Dylan Noblesmith
2af2081287 ExecutionEngine: fix JIT/MCJIT selectTarget() duplication (v2) 
This prepares for making JITCtor/MCJITCtor take a
TargetMachine* directly from clients like EngineBuilder.

llvm-svn: 131316
 2011-05-13 21:36:16 +00:00
Rafael Espindola
95d9ad78ea Make codegen able to handle values of empty types. This is one way 
to fix PR9900. I will keep it open until sable is able to comment on it.

llvm-svn: 131294
 2011-05-13 15:18:06 +00:00
Julien Lerouge
b2c1721752 Fix a source of non determinism in FindUsedTypes, use a SetVector instead of a 
set.

rdar://9423996

llvm-svn: 131283
 2011-05-13 05:20:42 +00:00
Devang Patel
dd08ae41c6 Doug convinced me that DW_AT_APPLE_objc_complete_type is more appropriate name. 
s/DW_AT_APPLE_objc_class_extension/DW_AT_APPLE_objc_complete_type/g

llvm-svn: 131244
 2011-05-12 21:29:42 +00:00
Devang Patel
b865dd6a20 Let Objective-C front-end identify class extension, in dwarf output, using an attribute DW_AT_APPLE_objc_class_extension. 
llvm-svn: 131238
 2011-05-12 19:06:16 +00:00
Evan Cheng
5ff60c7364 Re-commit 131172 with fix. MachineInstr identity checks should check dead 
markers. In some cases a register def is dead on one path, but not on
another.

This is passing Clang self-hosting.

llvm-svn: 131214
 2011-05-12 00:56:58 +00:00
Andrew Trick
25d4fce092 Bugpoint support for miscompilations that result in a crash. 
This change allows bugpoint to pinpoint the "opt" pass and bitcode
segment responsible for a crash caused by miscompilation. At least it
works well for me now, without having to create any custom execution
wrappers.

llvm-svn: 131186
 2011-05-11 16:31:24 +00:00
Bill Wendling
453a924d29 Give the 'eh.sjlj.dispatchsetup' intrinsic call the value coming from the setjmp 
intrinsic call. This prevents it from being reordered so that it appears
*before* the setjmp intrinsic (thus making it completely useless).
<rdar://problem/9409683>

llvm-svn: 131174
 2011-05-11 01:11:55 +00:00
Bill Wendling
68a363dd78 Fix comment. 
llvm-svn: 131173
 2011-05-11 01:08:39 +00:00
Nick Lewycky
5a1035a0dc Revert r131155 for now. It makes VMCore depend on Analysis and Transforms 
headers.

llvm-svn: 131159
 2011-05-10 22:16:06 +00:00
David Chisnall
17ae92b2d8 Add support for plugins add passes to the default set of passes. The standard set of passes used by front ends can now be modified by LLVM plugins, without needing to modify any front ends. 
Still to do:

- Allow replacing / removing passes (infrastructure there, just needs an infrastructure exposed)
- Defining sets of passes to be added or removed as a group
- Extending the support to allow user-defined groups of optimisations
- Allow plugins to be specified for loading automatically (e.g. from plugins.conf or some similar mechanism)

Reviewed by Nick Lewycky.

llvm-svn: 131155
 2011-05-10 21:36:48 +00:00
Rafael Espindola
9b3e6a9cb4 Rename DwarfRequiresRelocationForStmtList to 
DwarfRequiresRelocationForSectionOffset as this is not specific to StmtList.

llvm-svn: 131148
 2011-05-10 20:35:05 +00:00
Rafael Espindola
92dc58fea6 Use .cfi_sections to put the unwind info in .debug_frame when possible. With 
this clang will use .debug_frame in, for example,
clang -g -c -m32 test.c
This matches gcc's behaviour. It looks like .debug_frame is a bit bigger
than .eh_frame, but has the big advantage of not being allocated.

llvm-svn: 131140
 2011-05-10 18:39:09 +00:00
Rafael Espindola
b7c942431f Add support for producing .deubg_frame sections. 
llvm-svn: 131121
 2011-05-10 03:54:12 +00:00
Rafael Espindola
3d5f7d1fc1 Factor some code into a new EmitFrames method. 
llvm-svn: 131119
 2011-05-10 03:14:15 +00:00
Rafael Espindola
c5f10dda05 Parsing and plumbing for .cfi_sections. 
llvm-svn: 131117
 2011-05-10 01:10:18 +00:00
Dan Gohman
392ab7a6ba Change a few std::maps to DenseMaps. 
llvm-svn: 131088
 2011-05-09 18:44:09 +00:00
Rafael Espindola
0baeced1f4 Don't force relaxation of AdvanceLoc instructions on OS X. gdb is happy with 
the smaller encoding and this cuts 270336 bytes from a release version of
clang and 1246272 bytes from a debug build.

llvm-svn: 131067
 2011-05-08 14:35:21 +00:00
Eli Friedman
f580be6fe3 PR9869: Add explicit destructor declarations to Operator subclasses, to allow 
compiling Operator.h with gcc 4.6 in C++0x mode.

llvm-svn: 131062
 2011-05-08 01:59:22 +00:00
Eli Friedman
f608aeaefa Fix comments per Duncan's review. 
llvm-svn: 131055
 2011-05-07 19:23:14 +00:00
Jakob Stoklund Olesen
0c88537b3d Revert ExecutionEngine patches, they either failed to build or broke unit tests. 
Please ensure the build is clean and tests are passing when recommitting.

llvm-svn: 131044
 2011-05-07 03:12:54 +00:00
Rafael Espindola
003a45810d Switch Darwin to the generic CIE/FDE printer. 
llvm-svn: 131031
 2011-05-06 22:29:04 +00:00
Dylan Noblesmith
a12e687660 ExecutionEngine: push TargetMachine creation into clients 
In particular, into EngineBuilder. This should only impact
the private API between the EE and EB classes, not external
clients, since JITCtor and MCJITCtor are both protected members.

llvm-svn: 131026
 2011-05-06 22:06:22 +00:00
Dylan Noblesmith
763e1abfba ExecutionEngine: fix JIT/MCJIT selectTarget() duplication 
This prepares for making JITCtor/MCJITCtor take a
TargetMachine* directly from clients like EngineBuilder.

llvm-svn: 131025
 2011-05-06 22:05:43 +00:00
Eli Friedman
12e590e760 Make the logic for determining function alignment more explicit. No functionality change. 
llvm-svn: 131012
 2011-05-06 20:34:06 +00:00
Rafael Espindola
ef239d2fdc Yet more dead code. 
llvm-svn: 130988
 2011-05-06 15:31:55 +00:00
Rafael Espindola
4228ece8fd Update comments. 
llvm-svn: 130987
 2011-05-06 15:28:56 +00:00
Rafael Espindola
9b57a8739e More dead code elimination. 
llvm-svn: 130985
 2011-05-06 15:22:26 +00:00
Rafael Espindola
59462d8ae3 Dead code elimination. 
llvm-svn: 130984
 2011-05-06 14:56:22 +00:00
Rafael Espindola
f109f01ec2 Remove the DwarfTable enum. 
llvm-svn: 130959
 2011-05-05 22:14:31 +00:00
Nick Lewycky
aed53f33f0 Fix typo. No functional change. 
llvm-svn: 130949
 2011-05-05 21:27:14 +00:00
Owen Anderson
35f6bae989 Allow FastISel of three-register-operand instructions. 
llvm-svn: 130934
 2011-05-05 17:59:04 +00:00
Hongbin Zheng
8785489968 Minor change: Fix the typo in RegionPass.h and RegionPass.cpp. 
llvm-svn: 130920
 2011-05-05 13:59:38 +00:00
Bill Wendling
7a13f3bde3 Remove a flag that would set the ".eh" symbol as .globl. MachO was the only one 
who used this flag, and it now emits CFI and doesn't emit this anymore. All
other targets left this flag "false".
<rdar://problem/8486371>

llvm-svn: 130918
 2011-05-05 06:49:15 +00:00
Mikhail Glushenkov
6a346f7333 llvmc: Make 'true' and 'false' instances of a 'Bool' class. 
llvm-svn: 130915
 2011-05-05 04:25:03 +00:00