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Author SHA1 Message Date
Duncan Sands
7fa5f38be8 Revert commit 101503 (johannes), in the hope of fixing the dragonegg build, 
see http://google1.osuosl.org:8011/builders/dragonegg-x86_64-linux/builds/693
Original commit text:
Use a ValueMap not a std::map for the reason indicated
in the comment.  This was causing nondeterministic changes
in inlining decisions.

llvm-svn: 101525
 2010-04-16 19:28:59 +00:00
Johnny Chen
3a03b36cd0 Remove the assert() from printAddrMode2OffsetOperand(). "#0 and #-0" are 
considered legal instructions.

Refs: A8.6.51 LDC, LDC2 (immediate) -- page A8-107, A8.6.58 LDR (immediate, ARM)
-- page A8-121, and A8.6.194 STR (immediate, ARM) -- page A8-395.

llvm-svn: 101524
 2010-04-16 19:10:52 +00:00
Dan Gohman
5d99e7df1c Trim a #include. 
llvm-svn: 101520
 2010-04-16 18:45:11 +00:00
Dan Gohman
0d55b3ecfc Revert r101455, which fails on the llvm-arm-linux buildbot. 
llvm-svn: 101515
 2010-04-16 18:37:31 +00:00
Dale Johannesen
759091323b Use a ValueMap not a std::map for the reason indicated 
in the comment.  This was causing nondeterministic changes
in inlining decisions.

llvm-svn: 101503
 2010-04-16 18:16:08 +00:00
Evan Cheng
80afc6964c 80 col. 
llvm-svn: 101501
 2010-04-16 17:58:41 +00:00
Evan Cheng
e541446e11 80 col. 
llvm-svn: 101500
 2010-04-16 17:57:59 +00:00
Dan Gohman
e9683c52da Avoid creating virtual registers for unused values. 
llvm-svn: 101480
 2010-04-16 17:15:02 +00:00
Dan Gohman
30de6c2b1c Fix an assertion string. 
llvm-svn: 101478
 2010-04-16 16:55:18 +00:00
Dan Gohman
cb1d4ed9d0 Fix a comment. 
llvm-svn: 101477
 2010-04-16 16:52:37 +00:00
Dan Gohman
58add81e7d Disable inlining of recursive calls. It can complicate tailcallelim and 
dependent analyses, and increase code size, so doing it profitably would
require more complex heuristics.

llvm-svn: 101471
 2010-04-16 16:01:18 +00:00
Dan Gohman
f0457a82fa Refine the detection of seemingly infinitely recursive calls where the 
callee is expected to be expanded to something else by codegen, so that
normal infinitely recursive calls are still transformed.

llvm-svn: 101468
 2010-04-16 15:57:50 +00:00
Gabor Greif
e7d6812008 reapply r101434 
with a fix for self-hosting

rotate CallInst operands, i.e. move callee to the back
of the operand array

the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary

llvm-svn: 101465
 2010-04-16 15:33:14 +00:00
Dan Gohman
f754ff8ee9 Make callIsSmall accessible as a utility function. 
llvm-svn: 101463
 2010-04-16 15:14:50 +00:00
Dan Gohman
2d575a91e0 Fix SCEVCommutativeExpr::print to be robust in the case of improper 
expression canonicalization. Its job is to print what's there, not to
make judgements about it.

llvm-svn: 101461
 2010-04-16 15:03:25 +00:00
Dan Gohman
c2f8d14811 Delete a blank line. 
llvm-svn: 101459
 2010-04-16 13:32:55 +00:00
Bill Wendling
60db5321b6 Add JIT exception handling test. 
llvm-svn: 101455
 2010-04-16 09:04:28 +00:00
Bill Wendling
7ede9396f4 The JIT calls TidyLandingPads to tidy up the landing pads. However, because the 
JIT doesn't use the MC back-end asm printer to emit labels that it uses, the
section for the MCSymbol is never set. And thus the MCSymbol for the EH label
isn't marked as "defined". Because of that, TidyLandingPads removes the needed
landing pads from the JIT output. This breaks EH for every JIT program.

This is a work-around for this limitation. We pass in the label locations
map. If the label has a non-zero value, then it was "emitted" by the JIT and
TidyLandingPads shouldn't remove that label.

A nicer solution would be to mark the MCSymbol as "used" by the JIT and not rely
upon the section being set to determine if it's defined or not.

llvm-svn: 101453
 2010-04-16 08:46:10 +00:00
Chris Lattner
9cb8ee9b57 completed my pass over all 6+ months of commits, next step, format and make comprehendable. 
llvm-svn: 101449
 2010-04-16 06:20:22 +00:00
Evan Cheng
d143bfe0a4 Adding support for dag combiner to promote operations for profit. This requires target specific queries. For example, x86 should promote i16 to i32 when it does not impact load folding. 
x86 support is off by default. It can be enabled with -promote-16bit.

Work in progress.

llvm-svn: 101448
 2010-04-16 06:14:10 +00:00
Evan Cheng
428f7f39a8 Use getAL() rather than a major constant. 
llvm-svn: 101446
 2010-04-16 05:46:06 +00:00
Eric Christopher
033524af28 Add a check for posix_spawn. 
Regenerate configure and other autoconf files.

llvm-svn: 101444
 2010-04-16 05:14:21 +00:00
Dan Gohman
01d4af69bf Refine further the scope where the global DebugLoc value is active. 
llvm-svn: 101443
 2010-04-16 05:06:56 +00:00
Nick Lewycky
e96e382131 Revert r64616 which worked around http://gcc.gnu.org/PR42757 , we just didn't 
know it at the time.

llvm-svn: 101439
 2010-04-16 04:32:20 +00:00
Eric Christopher
ebbc0cfced Silence an unused variable warning. 
llvm-svn: 101438
 2010-04-16 04:02:04 +00:00
Chris Lattner
74934dcb1d fix comment noticed by Bob 
llvm-svn: 101437
 2010-04-16 02:32:17 +00:00
Gabor Greif
cd116e8c6a back out r101423 and r101397, they break llvm-gcc self-host on darwin10 
llvm-svn: 101434
 2010-04-16 01:16:20 +00:00
Chris Lattner
16e1226366 move comment. 
llvm-svn: 101433
 2010-04-16 01:05:52 +00:00
Chris Lattner
f90092185c fix PR6832: we were using the alignment of a pointer when we 
wanted the alignment of the pointee.

llvm-svn: 101432
 2010-04-16 01:05:38 +00:00
Dan Gohman
499f38cfcb Create an exports file, so that the plugin only exports the onload symbol. 
llvm-svn: 101431
 2010-04-16 00:43:25 +00:00
Dan Gohman
792df0f4ca Make things static that don't need to be referenced from outside the file. 
llvm-svn: 101430
 2010-04-16 00:42:57 +00:00
Chris Lattner
5baf2c68e5 improve comments. 
llvm-svn: 101429
 2010-04-16 00:38:19 +00:00
Chris Lattner
9c8dd19de8 pull all the ConvertToScalarInfo code together into one 
place.

llvm-svn: 101427
 2010-04-16 00:24:57 +00:00
Chris Lattner
082c018658 more refactoring: suck some stuff out of SRoA into 
ConvertToScalarInfo.

llvm-svn: 101425
 2010-04-16 00:20:00 +00:00
Gabor Greif
257aae9752 shift intrinsic operand 
llvm-svn: 101423
 2010-04-16 00:06:45 +00:00
Chris Lattner
977c0bfeb8 introduce a new ConvertToScalarInfo struct to simplify 
CanConvertToScalar/MergeInType.  Eliminate a pointless
LLVMContext argument to MergeInType.

llvm-svn: 101422
 2010-04-15 23:50:26 +00:00
Jakob Stoklund Olesen
00bd3bcbe4 Avoid sinking machine instructions into a loop. 
MachineLoopInfo is already available when MachineSinking runs, so the check is
free.

There is no test case because it would require a critical edge into a loop, and
CodeGenPrepare splits those. This check is just to be extra careful.

llvm-svn: 101420
 2010-04-15 23:41:02 +00:00
Johnny Chen
0017916a36 Added another test case for am3offset operand, testing Rn, #+/-imm8. 
Previous checkin tested Rn, #+/-Rm.

llvm-svn: 101418
 2010-04-15 23:23:40 +00:00
Jakob Stoklund Olesen
7e77f60652 Add test case for machine-sink on critical edges 
llvm-svn: 101416
 2010-04-15 23:19:16 +00:00
Johnny Chen
53225c4582 Fixed a bug in ARM disassembly where LDRSBT should have am3offset operand, not 
am2offset.  Modified the instruction table entry and added a new test case.

llvm-svn: 101415
 2010-04-15 23:12:47 +00:00
Dan Gohman
55f814fdc4 Make the export files absolute paths, and change Makefile.rules 
to expect them this way, to fix srcdir!=objdir builds.

llvm-svn: 101414
 2010-04-15 23:08:00 +00:00
Dan Gohman
ace8648850 Add a dependency on the .dir file to make sure that the directory 
is created before the native exports file is built in a parallel build.

llvm-svn: 101413
 2010-04-15 22:46:27 +00:00
Evan Cheng
c843326d60 Use default lowering of DYNAMIC_STACKALLOC. As far as I can tell, ARM isle is doing the right thing and codegen looks correct for both Thumb and Thumb2. 
llvm-svn: 101410
 2010-04-15 22:20:34 +00:00
Chris Lattner
c38eea2b85 tidy interface to isOnlyCopiedFromConstantGlobal 
llvm-svn: 101405
 2010-04-15 21:59:20 +00:00
Daniel Dunbar
411f700614 Don't use absolute path for EXPORTED_SYMBOL_FILE, this breaks under the new 
system.

llvm-svn: 101404
 2010-04-15 21:57:43 +00:00
Dan Gohman
bfbdc27d54 Generalize the EXPORTED_SYMBOL_FILE concept in the Makefiles to work with 
native linking export files, including running sed to prepend underscores
on darwin, and make use of it in libLTO and libEnhancedDisassembly.

Remove the leading underscores from library export files so that they
work with the new EXPORTED_SYMBOL_FILE support.

llvm-svn: 101399
 2010-04-15 20:54:25 +00:00
Gabor Greif
2e18d34d80 reapply r101364, which has been backed out in r101368 
with a fix

rotate CallInst operands, i.e. move callee to the back
of the operand array

the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary

llvm-svn: 101397
 2010-04-15 20:51:13 +00:00
Duncan Sands
89431f240a Pointed out by housel on #llvm. 
llvm-svn: 101395
 2010-04-15 20:35:54 +00:00
Jakob Stoklund Olesen
a40915cc26 Fix PR6847. RegScavenger should ignore DebugValues. 
llvm-svn: 101392
 2010-04-15 20:28:39 +00:00
Nicolas Geoffray
2a7f992240 Make sure the initialization of a GC root is after its definition. 
llvm-svn: 101388
 2010-04-15 19:53:35 +00:00