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2085 Commits

Author SHA1 Message Date
Jeffrey Yasskin
0f846dbb3e Make X86-64 in the Large model always emit 64-bit calls. 
The large code model is documented at
http://www.x86-64.org/documentation/abi.pdf and says that calls should
assume their target doesn't live within the 32-bit pc-relative offset
that fits in the call instruction.

To do this, we turn off the global-address->target-global-address
conversion in X86TargetLowering::LowerCall(). The first attempt at
this broke the lazy JIT because it can separate the movabs(imm->reg)
from the actual call instruction. The lazy JIT receives the address of
the movabs as a relocation and needs to record the return address from
the call; and then when that call happens, it needs to patch the
movabs with the newly-compiled target. We could thread the call
instruction into the relocation and record the movabs<->call mapping
explicitly, but that seems to require at least as much new
complication in the code generator as this change.

To fix this, we make lazy functions _always_ go through a call
stub. You'd think we'd only have to force lazy calls through a stub on
difficult platforms, but that turns out to break indirect calls
through a function pointer. The right fix for that is to distinguish
between calls and address-of operations on uncompiled functions, but
that's complex enough to leave for someone else to do.

Another attempt at this defined a new CALL64i pseudo-instruction,
which expanded to a 2-instruction sequence in the assembly output and
was special-cased in the X86CodeEmitter's emitInstruction()
function. That broke indirect calls in the same way as above.

This patch also removes a hack forcing Darwin to the small code model.
Without far-call-stubs, the small code model requires things of the
JITMemoryManager that the DefaultJITMemoryManager can't provide.

Thanks to echristo for lots of testing!

llvm-svn: 88984
 2009-11-16 22:41:33 +00:00
Daniel Dunbar
20a9eda5a2 lit: Factor a new OneCommandPerFileTest out of SyntaxCheckTest. 
- Used for running a single fixed command on a directory of files, with the
   option of deriving a temporary input file from the test source.

llvm-svn: 88844
 2009-11-15 08:10:29 +00:00
Daniel Dunbar
b077010494 Remove duplicate implementation of excludes functionality, and support excluding 
dirnames.

Also, add support for the 'unsupported' config property.

llvm-svn: 88838
 2009-11-15 07:22:58 +00:00
Daniel Dunbar
a812eb66b3 lit: Add --repeat=N option, for running each test N times. 
- Currently just useful for timing, although it could be extended as one (bad) way to deal with flaky tests.

llvm-svn: 88827
 2009-11-15 01:02:09 +00:00
Benjamin Kramer
e9ba686ab8 Implement DISABLE_INLINE for MSVC. This required changing the position in all 
forward declaration and patching tblgen to emit it right. Patch by Amine Khaldi!

llvm-svn: 88798
 2009-11-14 16:37:18 +00:00
Evan Cheng
b8c04e1226 Added getSubRegIndex(A,B) that returns subreg index of A to B. Use it to replace broken code in VirtRegRewriter. 
llvm-svn: 88753
 2009-11-14 03:42:17 +00:00
Sandeep Patel
a167903217 Show command-line args and features passed into backend in debug output. Approved by Evan Cheng. 
llvm-svn: 86797
 2009-11-11 03:23:46 +00:00
Daniel Dunbar
fbe1d52c6a lit: Add ExampleTests, for testing lit and demonstrating test suite features. 
llvm-svn: 86654
 2009-11-10 02:41:17 +00:00
Daniel Dunbar
da307a7868 lit: Fix bug in --show-suites which accidentally override the list of tests. 
llvm-svn: 86653
 2009-11-10 02:40:21 +00:00
Daniel Dunbar
c5f49f8e59 Add a 'zkill' script, which is more-or-less a fancy (although not necessarily 
very robust) version of killall. Because I like making shiny new wheels out of
spare parts.

For use by buildbots when people insist on making cc1 infinite loop. :)

llvm-svn: 86484
 2009-11-08 21:51:53 +00:00
Anton Korobeynikov
7b3a35eee8 It is invalid to infer the value type from the result #0 of the node 
since the instruction might use the other result of different type.

llvm-svn: 86462
 2009-11-08 12:14:54 +00:00
Daniel Dunbar
ec7a3ae5f7 NNT: Remove DejaGNU test from NewNightlyTest reports, this aspect of testing is 
handled by buildbots now.

llvm-svn: 86454
 2009-11-08 09:34:14 +00:00
Daniel Dunbar
d4dcd76f71 lit: Hardcode whence seek value, os.SEEK_END isn't always available. 
llvm-svn: 86449
 2009-11-08 09:07:33 +00:00
Daniel Dunbar
761032e17e lit: Warn when a test suite contains no tests. 
llvm-svn: 86448
 2009-11-08 09:07:26 +00:00
Daniel Dunbar
642e76ff50 lit: Drop require_and_and support. 
llvm-svn: 86447
 2009-11-08 09:07:13 +00:00
Daniel Dunbar
dedae84dd3 lit: Workaround a Win32/subprocess bug when appending. 
llvm-svn: 86437
 2009-11-08 03:43:06 +00:00
Daniel Dunbar
a8040023d7 lit: Preserve the PATHEXT variable when running subcommands, this is important on Win32 
llvm-svn: 86436
 2009-11-08 03:35:19 +00:00
Chris Lattner
cfd2ade9d2 clang++ points out that this is pointless. 
llvm-svn: 86239
 2009-11-06 06:33:01 +00:00
Daniel Dunbar
7120fca782 NewNighlytTest: Fix timestamp format to actually make sense (it was missing the hour). 
llvm-svn: 86229
 2009-11-06 04:12:13 +00:00
Daniel Dunbar
f575d48158 NewNightlyTest: Add -noclean option, which doesn't run 'make clean' before building LLVM (for testing). 
Also, switch to always running 'make clean' in the test-suite directories.

llvm-svn: 86228
 2009-11-06 04:12:07 +00:00
Daniel Dunbar
1680b4426a NewNightlyTest: Unbreak passing the build directory via a positional argument. 
llvm-svn: 86227
 2009-11-06 04:12:02 +00:00
Daniel Dunbar
1a83579e17 NewNightlyTest: Add -llvmgccdir as alternative to environment variable. 
llvm-svn: 86226
 2009-11-06 04:11:29 +00:00
Dan Gohman
35331c1dcd Don't print a redundant tab for inline asm, and do use the new printKill. 
llvm-svn: 86206
 2009-11-06 00:19:43 +00:00
Douglas Gregor
1dc69ca319 Teach lit's SyntaxCheckTest two new tricks: 
- skip .svn directories
  - add a set of excluded filenames so we can easily skip tests

llvm-svn: 86185
 2009-11-05 22:58:04 +00:00
Daniel Dunbar
47718a1f47 lit: Add --param NAME=VALUE option, for test suite specific use (to communicate 
arbitrary command line arguments to the test suite).

llvm-svn: 86137
 2009-11-05 16:27:33 +00:00
Evan Cheng
e83f2304f2 Look for llvm-gcc under /Developer/usr/bin first. 
llvm-svn: 86023
 2009-11-04 08:36:50 +00:00
Bill Wendling
eb0ca3bad7 Use llvm-gcc on newer Darwins. 
llvm-svn: 85963
 2009-11-03 22:50:10 +00:00
Chris Lattner
d8b3330ada mark some constant global const. 
llvm-svn: 85910
 2009-11-03 18:30:31 +00:00
Daniel Dunbar
3d3f9b9c83 lit: Update Clang's test style to use XFAIL: and XTARGET: lines that match 
LLVM's tests.

llvm-svn: 85882
 2009-11-03 07:26:38 +00:00
Ted Kremenek
1489a35df9 Support updating 'llvm_add_target' lists as well. 
llvm-svn: 85860
 2009-11-03 04:06:58 +00:00
Jim Grosbach
104a2c2b79 Missing bit of universal built + hosted 
llvm-svn: 85785
 2009-11-02 03:46:35 +00:00
Anton Korobeynikov
9737bfedeb Do not infer the target type for COPY_TO_REGCLASS from dest regclass, this won't work if it can contain several types. Require explicit result type for the node for now. This fixes PR5364. 
PS: It seems that blackfin usage of copy_to_regclass is completely bogus!
llvm-svn: 85766
 2009-11-02 00:11:39 +00:00
Jim Grosbach
b95117d568 The universal SDKROOT should only be assigned when hosted. Otherwise the 
SDKROOT can refer to the target when we're building for the host.

llvm-svn: 85672
 2009-10-31 18:00:10 +00:00
Jim Grosbach
16b4042036 Allow cross target build 
llvm-svn: 85611
 2009-10-30 20:54:59 +00:00
Dan Gohman
6b7d1390d7 Initial target-independent CodeGen support for BlockAddresses. 
llvm-svn: 85556
 2009-10-30 01:27:03 +00:00
Dan Gohman
7f5acc4b57 Move some code from being emitted as boilerplate duplicated in every 
*ISelDAGToDAG.cpp to being regular code in SelectionDAGISel.cpp.

llvm-svn: 85530
 2009-10-29 22:30:23 +00:00
Dan Gohman
3393a4c997 Rename usesCustomDAGSchedInserter to usesCustomInserter, and update a 
bunch of associated comments, because it doesn't have anything to do
with DAGs or scheduling. This is another step in decoupling MachineInstr
emitting from scheduling.

llvm-svn: 85517
 2009-10-29 18:10:34 +00:00
Johnny Chen
bcb6d87c9d Sorry to break the build. 
I was trying to check the WIP file to some local repository, but ended up
checking in the llvm repository.  Oops!

llvm-svn: 85470
 2009-10-29 02:04:53 +00:00
Johnny Chen
19209e26ff Minor tweak to forgo the the curly braces for most case blocks, except when 
declaring local variables.

llvm-svn: 85467
 2009-10-29 01:45:07 +00:00
Dan Gohman
3f9f33080a Add indirectbr and blockaddress to the vim syntax highlighting file. 
llvm-svn: 85451
 2009-10-29 00:14:44 +00:00
Mikhail Glushenkov
a97449946b 80-col violation. 
llvm-svn: 85215
 2009-10-27 09:02:49 +00:00
Julien Lerouge
d2861eb219 Remove / use flags that are now set in the Makefile.config. 
llvm-svn: 85149
 2009-10-26 20:01:35 +00:00
Chandler Carruth
766362c707 Move DataTypes.h to include/llvm/System, update all users. This breaks the last 
direct inclusion edge from System to Support.

llvm-svn: 85086
 2009-10-26 01:35:46 +00:00
Daniel Dunbar
499815e9f9 lit: Add --config-prefix option, to override default config file names. 
llvm-svn: 85035
 2009-10-25 03:30:55 +00:00
Daniel Dunbar
69b298e1c2 lit: Allow use of /dev/null in redirects on Windows (replace by a temporary 
file).

llvm-svn: 85028
 2009-10-25 01:37:26 +00:00
Dan Gohman
3c62b33053 Delete a spurious semicolon. 
llvm-svn: 85018
 2009-10-24 23:24:45 +00:00
Daniel Dunbar
e66bb298d4 lit: Support '>>' redirections when executing scripts internally. 
llvm-svn: 85014
 2009-10-24 20:32:49 +00:00
Victor Hernandez
e8998896f5 Auto-upgrade free instructions to calls to the builtin free function. 
Update all analysis passes and transforms to treat free calls just like FreeInst.
Remove RaiseAllocations and all its tests since FreeInst no longer needs to be raised.

llvm-svn: 84987
 2009-10-24 04:23:03 +00:00
Stuart Hastings
89d8dc1bde Trying again to tweak the top-level Makefile to facilitate an Apple-style build. 
Now with Clang-compatibility.

llvm-svn: 84872
 2009-10-22 17:22:37 +00:00
Mikhail Glushenkov
747a5035b9 Make 'unset_option' work on list options. 
llvm-svn: 84827
 2009-10-22 04:15:07 +00:00