Commit Graph

38001 Commits

Author SHA1 Message Date
Chris Lattner 8519c0ead8 disable this for now.
llvm-svn: 49248
2008-04-05 04:12:01 +00:00
Evan Cheng c975d7b30d Forgot this.
llvm-svn: 49247
2008-04-05 02:17:58 +00:00
Evan Cheng b5fdc923d3 1. IMPLICIT_DEF can *re-define* any register.
2. Coalescer can now create an interesting situation where a register def can
   reaches itself without being killed.

llvm-svn: 49246
2008-04-05 01:27:09 +00:00
Evan Cheng f77b5ef3d0 Favors pshufd over shufps when shuffling elements from one vector. pshufd is faster than shufps.
llvm-svn: 49244
2008-04-05 00:30:36 +00:00
Dale Johannesen 0ce4a7cc44 Make sure both PendingLoads and PendingExports are flushed
before an invoke.  Failure to do this causes references in
the landing pad to variables that were not set.  Fixes
g++.dg/eh/delayslot1.C
g++.dg/eh/fp-regs.C
g++.old-deja/g++.brendan/eh1.C

llvm-svn: 49243
2008-04-04 23:48:31 +00:00
Torok Edwin b20e659770 strdup needs <cstring>. This fixes a build error with g++-4.3.
llvm-svn: 49218
2008-04-04 16:08:00 +00:00
Duncan Sands 4cbca05d4e If a value is cast to its own type, then the cast
is not needed.

llvm-svn: 49210
2008-04-04 08:28:13 +00:00
Chris Lattner 318d3ef88e Provide an initial cut at exposing JIT compiled symbols to performance
tools.  This is currently only enabled on the mac, but could easily be
supported by other hosts that are interested.

llvm-svn: 49207
2008-04-04 05:51:42 +00:00
Chris Lattner ee1817300a Make ExecutionEngine::updateGlobalMapping return the old mapping.
llvm-svn: 49206
2008-04-04 04:47:41 +00:00
Evan Cheng 14bee50e06 Undo PHI elimination copy placement patch. This causes coalescing (performace) issues.
llvm-svn: 49198
2008-04-04 01:20:05 +00:00
Evan Cheng 823017fdd1 This is done.
llvm-svn: 49197
2008-04-04 01:19:03 +00:00
Devang Patel 124cce86fc Reenable running StripSymbols when EH is on.
Dale fixed EH.

llvm-svn: 49192
2008-04-03 21:30:06 +00:00
Evan Cheng 4b9a2c0b59 New test case.
llvm-svn: 49190
2008-04-03 21:25:03 +00:00
Chuck Rose III 30d27e4e03 Removed a deleted file from the VStudio System project. Also added custom build commands to engage 64 bit assembler for compilation callback on 64 bit configurations only.
llvm-svn: 49188
2008-04-03 20:28:40 +00:00
Andrew Lenharth bfb7246fb6 if some functions don't have debug info, we were outputing the same label at the start of each of those functions. This makes assemblers unhappy
llvm-svn: 49176
2008-04-03 17:37:43 +00:00
Ted Kremenek 73ac2048f9 Add member template version of SerializeTrait<T>::Create that also accepts
an optional argument for us by T's Create method.

llvm-svn: 49169
2008-04-03 16:44:37 +00:00
Evan Cheng 58936a48ee - Turn copies of implicit_def into implicit_def instructions.
- Be smarter about coalescing copies from implicit_def.

llvm-svn: 49168
2008-04-03 16:41:54 +00:00
Evan Cheng 6d07b625aa Special handling of zero-sized live intervals.
llvm-svn: 49167
2008-04-03 16:40:27 +00:00
Evan Cheng 20aed56504 - Treat a live range defined by an implicit_def as a zero-sized one.
- Eliminate an implicit_def when it's being spilled.

llvm-svn: 49166
2008-04-03 16:39:43 +00:00
Evan Cheng aacf4f15b3 - PHI elimination also eliminates implicit_def that fits into a PHI node rather than copying it.
- Be (slightly) smarter about where to place the copies.

llvm-svn: 49165
2008-04-03 16:38:20 +00:00
Evan Cheng 916802a78e Start of a series of patches related to implicit_def.
There is no point in creating a long live range defined by an implicit_def. Scheduler now duplicates implicit_def instruction for each of its uses. Therefore, if an implicit_def node has multiple uses, it will become a number of very short live ranges, rather than a long one. This will make coalescer's job easier.

llvm-svn: 49164
2008-04-03 16:36:07 +00:00
Ted Kremenek 1d0436cdb0 Re-implemented Path::createDirectoryOnDisk (for Unix).
This method allows one to create a directory, and optionally create all parent
directories that do not exist.

The original implementation would require that *all* directories along a path
are writable by the user, including directories that already exist. For example,
suppose we wanted to create the directory "/tmp/foo/bar", and the directory
"/tmp" already exists, but not "/tmp/foo". Since "/tmp" is writable by all
users, the original implementation would work, and create "/tmp/foo", followed
by "/tmp/bar".

A problem occurred, however if one wanted to created the directory
"/Users/myuser/bar" (or equivalently "/home/myuser/bar"), and "/Users/myuser"
already existed and is writable by the current user. The directory
"/User/myuser" is writable by the user, but "/User" is not. The original
implementation of createDirectoryOnDisk would return with failure since "/User"
is not writable, even though "/User/mysuser" is writable.

The new implementation works by recursively creating parents as needed, and thus
doesn't need to check the permissions on every directory in a path.

llvm-svn: 49162
2008-04-03 16:11:31 +00:00
Evan Cheng 6c66bd368e Re-enable SSE4.
llvm-svn: 49158
2008-04-03 08:53:29 +00:00
Evan Cheng 6db4b4cc65 Fix x86-64 encoding bug. REX prefix must always follow 0x0F prefix. For example, extractps in 64bit mode: 66 REX 0F 3A 17, not 66 0F 3A REX 17.
llvm-svn: 49157
2008-04-03 08:53:17 +00:00
Evan Cheng d9129d1de3 Cosmetic
llvm-svn: 49156
2008-04-03 07:45:18 +00:00
Evan Cheng 3063c5546e Temporarily disabling SSE4 until we fix the encoding issues.
llvm-svn: 49129
2008-04-03 04:49:54 +00:00
Evan Cheng 025cea1126 Backing out 48222 temporarily.
llvm-svn: 49124
2008-04-03 03:13:16 +00:00
Dan Gohman fc4ad7de66 Move instruction flag inference out of InstrInfoEmitter and into
CodeGenDAGPatterns, where it can be used in other tablegen backends.
This allows the inference to be done for DAGISelEmitter so that it
gets accurate mayLoad/mayStore/isSimpleLoad flags. 

This brings MemOperand functionality back to where it was before
48329. However, it doesn't solve the problem of anonymous patterns
which expand to code that does loads or stores.

llvm-svn: 49123
2008-04-03 00:02:49 +00:00
Dan Gohman bd72cea737 Suppress the 128-bit integer typedef on 32-bit targets, because
it causes compile errors.

llvm-svn: 49122
2008-04-02 23:52:49 +00:00
Dale Johannesen 5316aebeb6 Testcase for EH with functions whose names are stripped.
llvm-svn: 49111
2008-04-02 20:16:41 +00:00
Dale Johannesen 491557712a Make EH work with unnamed functions. Reenable running
StripSymbols when EH is on.

llvm-svn: 49110
2008-04-02 20:10:52 +00:00
Dan Gohman 39d8b26322 Partial CBackend support for 128-bit integers. This is needed
now that llvm-gcc is lowering appropriately-sized struct returns
to i128 on x86-64.

llvm-svn: 49109
2008-04-02 19:40:14 +00:00
David Greene 586740f401 Iterators folloring a SmallVector erased element are invalidated so
don't access cached iterators from after the erased element.

Re-apply 49056 with SmallVector support.

llvm-svn: 49106
2008-04-02 18:24:46 +00:00
Evan Cheng d8616064d8 Now that I am told MachineRegisterInfo also tracks physical register uses / defs, I can do away with the horribleness I introduced a while back. It's impossible to detect if there is any use of a physical register below an instruction (and before any def of the register) with some cheap book keeping.
llvm-svn: 49105
2008-04-02 18:04:08 +00:00
Evan Cheng be3d44c3cb Remove #include<map> from LiveVariables.h. Not referenced.
llvm-svn: 49099
2008-04-02 17:23:50 +00:00
Dale Johannesen 8780ecbbac Cosmetic changes per EH patch review feedback.
llvm-svn: 49096
2008-04-02 17:04:45 +00:00
Torok Edwin 21b8bed571 Add new file Support/DataFlow.h.
It allows Use-Def and Def-Use relations to be treated as graphs.

llvm-svn: 49088
2008-04-02 14:57:52 +00:00
Anton Korobeynikov 20c9e4cbee Add new CC lowering rule: provide a list of registers, which can be 'shadowed',
when some another register is used for argument passing.
Currently is used on Win64.

llvm-svn: 49079
2008-04-02 05:23:57 +00:00
Owen Anderson 2412158111 In some situations, we need to check for local interferences between the PHI
node and its inputs.

llvm-svn: 49070
2008-04-02 03:00:13 +00:00
Owen Anderson edfc2eb558 Correctly mark a valno that was previous defined by a PHI node as having an
unknown defining inst after PHI elimination.

llvm-svn: 49069
2008-04-02 02:12:45 +00:00
Chris Lattner 1f17cce2eb more edits from Jon Sargeant
llvm-svn: 49065
2008-04-02 00:38:26 +00:00
Dale Johannesen fd967cf3fa Recommitting EH patch; this should answer most of the
review feedback.
-enable-eh is still accepted but doesn't do anything.
EH intrinsics use Dwarf EH if the target supports that,
and are handled by LowerInvoke otherwise.
The separation of the EH table and frame move data is,
I think, logically figured out, but either one still
causes full EH info to be generated (not sure how to
split the metadata correctly).
MachineModuleInfo::needsFrameInfo is no longer used and
is removed.

llvm-svn: 49064
2008-04-02 00:25:04 +00:00
Evan Cheng ac38d444e2 1. Drop default inline threshold back down to 200.
2. Do not use # of basic blocks as part of the cost computation since it doesn't really figure into function size.
3. More aggressively inline function with vector code.

llvm-svn: 49061
2008-04-01 23:59:29 +00:00
Tanya Lattner 052838c55d Reverting 49056 due to the build being broken.
llvm-svn: 49060
2008-04-01 23:41:44 +00:00
Evan Cheng b86595fb0a ReMat of load from stub in pic mode extends the life of pic base. Currently spiller doesn't do a good job of estimating the impact. Disable for now.
llvm-svn: 49059
2008-04-01 23:26:12 +00:00
David Greene 7f7edc3824 Iterators folloring a SmallVector erased element are invalidated so
don't access cached iterators from after the erased element.

llvm-svn: 49056
2008-04-01 22:14:23 +00:00
Bill Wendling fc9f25dab0 Fix compilation errors on MSVC. Patch by Argiris Kirtzidis!
llvm-svn: 49055
2008-04-01 22:09:20 +00:00
Evan Cheng 19a6dd9f2a Remove unnecessary and non-deterministic checking code. Re-enable remat of load from gv stub.
llvm-svn: 49054
2008-04-01 21:38:20 +00:00
Evan Cheng 985a0b51d7 Re-materialization is for uses only.
llvm-svn: 49053
2008-04-01 21:37:32 +00:00
Dan Gohman cb9f8f6e4e Don't use __bzero for memset if the second argument isn't zero.
llvm-svn: 49050
2008-04-01 20:56:18 +00:00