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Author SHA1 Message Date
Chris Lattner
2d584f0b0e move gep decomposition out of ValueTracking into BasicAA. The form of 
decomposition that it is doing is very basicaa specific and is only used
by basicaa.

llvm-svn: 111375
 2010-08-18 18:22:17 +00:00
Jim Grosbach
b517fe948f Add hook for re-using virtual base registers for local stack slot access. 
Nothing fancy, just ask the target if any currently available base reg
is in range for the instruction under consideration and use the first one
that is. Placeholder ARM implementation simply returns false for now.

ongoing saga of rdar://8277890

llvm-svn: 111374
 2010-08-18 17:57:37 +00:00
Dan Gohman
ab87c70bb8 Eliminate some redundancy by relying on raw_fd_ostream to handle "-" 
properly.

llvm-svn: 111373
 2010-08-18 17:55:15 +00:00
Dan Gohman
3c43d4a9b6 Allow the -analyze option to follow the -o option, which defaults to 
standard output, instead of just hardcoding outs().

llvm-svn: 111372
 2010-08-18 17:42:59 +00:00
Dan Gohman
72143a0fc2 Don't translate "-" to outs() manually; raw_ostream does that automatically. 
llvm-svn: 111371
 2010-08-18 17:40:10 +00:00
Dan Gohman
1f5b3b24c3 Don't translate "-" to outs() manually; raw_ostream does that 
automatically.

llvm-svn: 111370
 2010-08-18 17:26:50 +00:00
Dan Gohman
f9731b6d32 Don't register stdout to be deleted on a signal. 
llvm-svn: 111368
 2010-08-18 17:21:42 +00:00
Dan Gohman
ea23bfd45c Remove an unused command-line option. 
llvm-svn: 111367
 2010-08-18 17:20:51 +00:00
Jakob Stoklund Olesen
32dcf0e7a9 Preserve subregs on PHI source operands. Patch by Krister Wombell! 
llvm-svn: 111366
 2010-08-18 16:09:47 +00:00
Kalle Raiskila
05d3cc2ef8 Fix a bug with insertelement on SPU. 
The previous algorithm in LowerVECTOR_SHUFFLE 
didn't check all requirements for "monotonic" shuffles.

llvm-svn: 111361
 2010-08-18 10:20:29 +00:00
Kalle Raiskila
8b6f5df4ae Remove all traces of v2[i,f]32 on SPU. 
The "half vectors" are now widened to full size by the legalizer.
The only exception is in parameter passing, where half vectors are 
expanded. This causes changes to some dejagnu tests.

llvm-svn: 111360
 2010-08-18 10:04:39 +00:00
Kalle Raiskila
0ee13a45c8 Change SPU C calling convention to match that described in 
"SPU Application Binary Interface Specification, v1.9" by
IBM. 
Specifically: use r3-r74 to pass parameters and the return value.

llvm-svn: 111358
 2010-08-18 09:50:30 +00:00
Chris Lattner
b4602679d7 fix a buggy test 
llvm-svn: 111354
 2010-08-18 04:55:12 +00:00
Chris Lattner
49d0f29752 fix PR7589: In brief: 
gep P, (zext x) != gep P, (sext x)

DecomposeGEPExpression was getting this wrong, confusing
basicaa.

llvm-svn: 111352
 2010-08-18 04:28:19 +00:00
Chris Lattner
6ac971a27f filecheckize and detrivialize. 
llvm-svn: 111350
 2010-08-18 04:25:43 +00:00
Chris Lattner
ab876b6ce8 Fix PR7755: knowing something about an inval for a pred 
from the LHS should disable reconsidering that pred on the
RHS.  However, knowing something about the pred on the RHS
shouldn't disable subsequent additions on the RHS from
happening.

llvm-svn: 111349
 2010-08-18 03:14:36 +00:00
Chris Lattner
4c6e9192d1 fit in 80 cols 
llvm-svn: 111348
 2010-08-18 03:13:35 +00:00
Chris Lattner
0a9bda3bde remove some dead code. 
llvm-svn: 111345
 2010-08-18 02:42:11 +00:00
Chris Lattner
d20a060467 remove some dead code. 
llvm-svn: 111344
 2010-08-18 02:41:56 +00:00
Chris Lattner
f94830f175 remove some code that is dead now that lea's are modeled with segment registers. 
llvm-svn: 111343
 2010-08-18 02:40:44 +00:00
Chris Lattner
686cddf177 remove dead prototype. 
llvm-svn: 111342
 2010-08-18 02:37:06 +00:00
Bob Wilson
412be3eea6 Expand ZERO_EXTEND operations for NEON vector types. 
Testcase from Nick Lewycky.

llvm-svn: 111341
 2010-08-18 01:45:52 +00:00
Dan Gohman
b5ea21038d Fix the "Finished Creating" messages for aliases to print the 
right name.

llvm-svn: 111340
 2010-08-18 01:35:53 +00:00
Dan Gohman
95cda1f1ef Revert r111321. This doesn't fix a problem. 
llvm-svn: 111339
 2010-08-18 01:34:52 +00:00
Chris Lattner
ba9f26fade stomp some more undefined behavior, PR7775. 
llvm-svn: 111337
 2010-08-18 00:33:47 +00:00
Chris Lattner
25446ccf9f don't emit zero bit fields with Emit, fixing undefined behavior, 
PR7778

llvm-svn: 111336
 2010-08-18 00:29:18 +00:00
Chris Lattner
c27b10f80d Don't pass in a null pointer to std::string's ctor, an empty string 
ref should produce an empty std::string.  This fixes PR7879.

llvm-svn: 111332
 2010-08-18 00:11:25 +00:00
Chris Lattner
982a804b20 fix a broken link 
llvm-svn: 111326
 2010-08-17 23:26:04 +00:00
Chris Lattner
116d5c1431 include config.h to get config params, hopefully unbreaking mingw builder. 
llvm-svn: 111325
 2010-08-17 23:22:10 +00:00
Chris Lattner
1657977d0d Fix the rest of rdar://8318441 which happens when a raw_fd_ostream 
(e.g. errs()) fails in close() due to (e.g.) a broken pipe.  As
previously written, the had_error() flag would get set and then
the raw_ostream dtor would report a fatal error.  There is nothing
the client can do about this and we have no way to report the error,
so just eat it.

llvm-svn: 111321
 2010-08-17 23:11:56 +00:00
Chris Lattner
659fd704e8 report_fatal_error can't use errs(), because errs() can call 
into report_fatal_error.  Just blast the string to stderr with write(2)
and hope for the best!  Part of rdar://8318441

llvm-svn: 111320
 2010-08-17 23:03:53 +00:00
Eric Christopher
08e9f0250a Temporarily revert r110987 as it's causing some miscompares in 
vector heavy code.  I'll re-enable when we've tracked down the problem.

llvm-svn: 111318
 2010-08-17 22:55:27 +00:00
Dan Gohman
ee89338e37 Tweak IVUsers' concept of "interesting" to exclude add recurrences 
where the step value is an induction variable from an outer loop, to
avoid trouble trying to re-expand such expressions. This effectively
hides such expressions from indvars and lsr, which prevents them
from getting into trouble.

llvm-svn: 111317
 2010-08-17 22:50:37 +00:00
Jim Grosbach
ff8f931bbf Add materialization of virtual base registers for frame indices allocated into 
the local block. Resolve references to those indices to a new base register.
For simplification and testing purposes, a new virtual base register is
allocated for each frame index being resolved. The result is truly horrible,
but correct, code that's good for exercising the new code paths.

Next up is adding thumb1 support, which should be very simple. Following that
will be adding base register re-use and implementing a reasonable ARM
heuristic for when a virtual base register should be generated at all.

llvm-svn: 111315
 2010-08-17 22:41:55 +00:00
Evan Cheng
d6348fe9b2 Add nounwind. 
llvm-svn: 111312
 2010-08-17 22:35:20 +00:00
Daniel Dunbar
e88f283f80 CrashRecovery: Clear the current context on the first crash, to avoid re-entering it if the cleanup code crashes. 
llvm-svn: 111309
 2010-08-17 22:32:39 +00:00
Daniel Dunbar
b5312b0f26 CrashRecovery: Add CrashRecoveryContext::GetCurrent(), so clients can find the active context from anywhere. 
llvm-svn: 111308
 2010-08-17 22:32:37 +00:00
Daniel Dunbar
0fc35d7284 CrashRecovery: Make CrashRecoveryContext static methods thread safe. 
llvm-svn: 111307
 2010-08-17 22:32:34 +00:00
Dale Johannesen
535ca58e85 Make fast scheduler handle asm clobbers correctly. 
PR 7882.  Follows suggestion by Amaury Pouly, thanks.

llvm-svn: 111306
 2010-08-17 22:17:24 +00:00
Anton Korobeynikov
52c8ecf231 Revert part of one of the prev. patches - tailjmp will follow later. 
llvm-svn: 111291
 2010-08-17 21:08:28 +00:00
Anton Korobeynikov
f0600e9e8a More fixes for win64: 
- Do not clobber al during variadic calls, this is AMD64 ABI-only feature
  - Emit wincall64, where necessary
Patch by Cameron Esfahani!

llvm-svn: 111289
 2010-08-17 21:06:07 +00:00
Anton Korobeynikov
f1f88db4fd Enable more win64 calls folding opportunities. 
Patch by Cameron Esfahani!

llvm-svn: 111288
 2010-08-17 21:06:01 +00:00
Anton Korobeynikov
8c6bfd1c24 Add some win64 coff goodness. 
Patch by Cameron Esfahani!

llvm-svn: 111287
 2010-08-17 21:05:54 +00:00
Evan Cheng
aea9870136 PHI elimination shouldn't require machineloopinfo since it's used at -O0. Move the requirement to LiveIntervalAnalysis instead. Note this does not change the number of times machineloopinfo is computed. 
llvm-svn: 111285
 2010-08-17 21:00:37 +00:00
Evan Cheng
4cbb884ce2 Machine CSE preserves CFG. Pass manager was freeing machineloopinfo after machine cse before. 
llvm-svn: 111281
 2010-08-17 20:57:42 +00:00
Jakob Stoklund Olesen
20dbe1681b Don't call tablegen'ed Predicate_* functions in the ARM target. 
llvm-svn: 111277
 2010-08-17 20:39:04 +00:00
Jim Grosbach
23003dc92f silence warning 
llvm-svn: 111274
 2010-08-17 20:21:30 +00:00
Benjamin Kramer
5756afebba Remove dead code. Fixes a GCC warning. 
llvm-svn: 111271
 2010-08-17 19:45:05 +00:00
Anton Korobeynikov
16dd681b0e This patch enables "make unittests" on enable-shared/mingw. 
Patch by Takumi Nakamura!

llvm-svn: 111270
 2010-08-17 19:34:40 +00:00
Anton Korobeynikov
e8b4df4143 This patch enables ENABLE_SHARED=1 to build DLL based LLVM toolchain on MingW & Cygwin. 
Patch by Takumi Nakamura!

llvm-svn: 111268
 2010-08-17 19:03:03 +00:00