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Author SHA1 Message Date
Benjamin Kramer
5459f78745 Use SimplifyDemandedBits on div instructions. 
This folds away silly stuff like (a&255)/1000 -> 0.

llvm-svn: 130614
 2011-04-30 18:16:00 +00:00
Benjamin Kramer
eeda6d1bb5 FileCheckize. 
llvm-svn: 130613
 2011-04-30 18:15:53 +00:00
Rafael Espindola
dfbd3e7412 Implement MCAsmStreamer::EmitEHSymAttributes. Doing this in the asm streamer 
is a bit ugly, but doing it on the base MCStreamer would be redundant
with the object streamer which does it using SD.

llvm-svn: 130611
 2011-04-30 16:34:57 +00:00
Rafael Espindola
969f9f552c Handle PrivateExtern eh symbols. 
llvm-svn: 130609
 2011-04-30 16:22:46 +00:00
Jakob Stoklund Olesen
c140b5ac84 Allow folded spills in test. 
llvm-svn: 130599
 2011-04-30 08:00:50 +00:00
Jakob Stoklund Olesen
4ec9e1c33a Avoid using stale entries form the sibling value map. 
This could happen when trying to use a value that had been eliminated after dead
code elimination and folding loads.

llvm-svn: 130597
 2011-04-30 06:42:21 +00:00
Jakob Stoklund Olesen
8c578bf1cf Use hysteresis for local live range splitting as well. 
llvm-svn: 130596
 2011-04-30 05:07:46 +00:00
NAKAMURA Takumi
f485b6e3a8 runtime/libprofile/PathProfiling.c: Don't use // comment in C source. 
llvm-svn: 130589
 2011-04-30 03:53:56 +00:00
Rafael Espindola
7901d3790e Add all the plumbing needed for MC to expand cfi to the old tables in 
the final assembly. It is the same technique used when targeting
assemblers that don't support .loc.

llvm-svn: 130587
 2011-04-30 03:44:37 +00:00
Rafael Espindola
17e6a392af Implement MCAsmStreamer::EmitDwarfAdvanceFrameAddr. 
llvm-svn: 130585
 2011-04-30 03:21:04 +00:00
Jakob Stoklund Olesen
720ec44d13 Update comment. 
llvm-svn: 130582
 2011-04-30 03:13:08 +00:00
Jakob Stoklund Olesen
a397ddfd59 Use a greedy algorithm for allocating registers. 
llvm-svn: 130568
 2011-04-30 01:37:54 +00:00
Jakob Stoklund Olesen
2db84c62f6 Weekly fix of register allocation dependent unit tests. 
llvm-svn: 130567
 2011-04-30 01:37:52 +00:00
Bill Wendling
0a7857b4fa Print out the 'nontemporal' info on a store. 
llvm-svn: 130562
 2011-04-29 23:45:22 +00:00
Eli Friedman
919bf1ca71 Make FastEmit_ri_ try a bit harder to succeed for supported operations; FastEmit_i can fail for non-Thumb2 ARM. Makes ARMSimplifyAddress work correctly, and reduces the number of fast-isel bailouts on non-Thumb ARM. 
llvm-svn: 130560
 2011-04-29 23:34:52 +00:00
Eric Christopher
ad02f6c78a 80-col. 
llvm-svn: 130558
 2011-04-29 23:12:01 +00:00
Eli Friedman
996092fea3 Zap a couple now-unused functions. 
llvm-svn: 130557
 2011-04-29 22:56:48 +00:00
Eli Friedman
1940912660 Switch to ImmLeaf (which can be used by FastISel) for a few more common ARM/Thumb2 patterns. 
llvm-svn: 130552
 2011-04-29 22:48:03 +00:00
Devang Patel
60fb94e8bf Assing line number info to new PHIs created by SSA updater. 
llvm-svn: 130551
 2011-04-29 22:28:59 +00:00
Eric Christopher
5415816eb4 Add FastEmitInst_ii for the arm fast isel generator. It doesn't use it, but 
if it ever did it needs the def machinery.

llvm-svn: 130549
 2011-04-29 22:07:50 +00:00
Eli Friedman
0667319d62 Filter out pattterns from the FastISel emitter which it doesn't actually know how to handle. No significant functionality change at the moment, but it's necessary for some changes I'm planning. 
llvm-svn: 130547
 2011-04-29 21:58:31 +00:00
Eric Christopher
a6fb14395f Some cleanup and optimize fallthrough more. 
llvm-svn: 130546
 2011-04-29 21:56:31 +00:00
Rafael Espindola
13b74fd203 Avoid some uses of .uleb128. This is a small speedup and more importantly 
lets this code be used when producing assembly code for old assemblers without
uleb support.

llvm-svn: 130544
 2011-04-29 21:50:57 +00:00
Rafael Espindola
c4e90a84c4 Implement MCAsmStreamer::EmitCFIDefCfa. 
llvm-svn: 130543
 2011-04-29 21:41:06 +00:00
Devang Patel
2257af290f Print new instructions without DebugLoc. 
llvm-svn: 130542
 2011-04-29 21:36:04 +00:00
Eli Friedman
8f66e9361d Fix run-line, again. :( 
llvm-svn: 130540
 2011-04-29 21:33:03 +00:00
Eli Friedman
7d05eaa3f4 Re-committing r130454, which does not in fact break anything. 
Fix a rather obscure crash caused by ARM fast-isel generating code which redefines a register.
rdar://problem/9338332 .

llvm-svn: 130539
 2011-04-29 21:22:56 +00:00
Devang Patel
1c0642d509 Preserve line number information. 
llvm-svn: 130536
 2011-04-29 20:38:55 +00:00
Eric Christopher
ba0cef1b0b Add trunc->branch support, this won't help with clang's i8->i1 truncations 
for bools, but is a start.

llvm-svn: 130534
 2011-04-29 20:02:39 +00:00
Daniel Dunbar
64d3760882 win32: Include DataTypes.h instead of stdint.h to try and fix a Win32 build 
issue.

llvm-svn: 130530
 2011-04-29 18:58:57 +00:00
Daniel Dunbar
33083542c4 Cleanup some DOS newlines. 
llvm-svn: 130529
 2011-04-29 18:58:55 +00:00
Peter Collingbourne
d78bf257ad SimplifyCFG: Expose phi node folding cost threshold as command line parameter 
llvm-svn: 130528
 2011-04-29 18:47:38 +00:00
Peter Collingbourne
0994e869f9 SimplifyCFG: Add CostRemaining parameter to DominatesMergePoint 
llvm-svn: 130527
 2011-04-29 18:47:31 +00:00
Peter Collingbourne
06646aa091 SimplifyCFG: Add Trunc, ZExt and SExt to the list of cheap instructions for phi node folding 
llvm-svn: 130526
 2011-04-29 18:47:25 +00:00
Daniel Dunbar
9a87852114 MCAsmLayout: Add support for computing the symbol offset of variables. Not 
currently used, because variables don't get reported as being "defined".

llvm-svn: 130524
 2011-04-29 18:20:20 +00:00
Daniel Dunbar
1488659798 MC: Change variable symbols to be recognized as defined, by assigning their sections based on FindAssociatedSection(). 
llvm-svn: 130523
 2011-04-29 18:20:17 +00:00
Daniel Dunbar
32545135b1 MC/Mach-O: Update getSymbolAddress() to support evaluation of variables. 
llvm-svn: 130522
 2011-04-29 18:13:42 +00:00
Daniel Dunbar
f419ec6362 MC/Mach-O: Allow emission of relocations for variables in some more cases. 
llvm-svn: 130520
 2011-04-29 18:10:47 +00:00
Daniel Dunbar
6178302330 MC/Mach-O: Find section ordinal's by looking at the symbol, instead of assuming they are present in a fragment. 
llvm-svn: 130519
 2011-04-29 18:07:43 +00:00
Devang Patel
acce3eb6b2 Hoist MCLineEntry construction AsmPrinter so that anyone who derives from AsmPrinter can have line number entries. 
PR 9810

llvm-svn: 130518
 2011-04-29 18:00:54 +00:00
Daniel Dunbar
c52dfd4349 MCExpr: Add FindAssociatedSection, which attempts to mirror the 'as' semantics 
that associate sections with expressions.

llvm-svn: 130517
 2011-04-29 18:00:03 +00:00
Daniel Dunbar
2727693326 MC/AsmParser: Generalize a check. 
llvm-svn: 130515
 2011-04-29 17:53:11 +00:00
Douglas Gregor
81608aacfe Fix a C++0x portability issue with std::make_pair. Explicitly providing template arguments no longer works when the call arguments are lvalues. 
llvm-svn: 130513
 2011-04-29 16:57:12 +00:00
Douglas Gregor
8b6257aba2 Include <pthread.h> before we use pthread_self/pthread_kill 
llvm-svn: 130510
 2011-04-29 16:12:17 +00:00
Rafael Espindola
7c632e0001 The last hack for producing bit identical output with cfi on OS X. 
llvm-svn: 130504
 2011-04-29 15:09:53 +00:00
Rafael Espindola
16455286cb Change DwarfCFIException's member variables to track what it actually 
emmits: .cfi_personality, .cfi_lsda and the moves.

llvm-svn: 130503
 2011-04-29 14:48:51 +00:00
Andrew Trick
88152ec6d2 Teach Thumb2 isel to fold and->rotr ==> ROR. 
Generalization of Nate Begeman's patch!

llvm-svn: 130502
 2011-04-29 14:18:15 +00:00
Rafael Espindola
16b23d9ff7 Factor some code to needsCFIMoves. Avoid printing moves when we don't have to. 
llvm-svn: 130501
 2011-04-29 14:14:06 +00:00
Benjamin Kramer
81d46d0c06 This is done. 
llvm-svn: 130499
 2011-04-29 14:09:57 +00:00
Andrew Trick
a8fdf07d0a Combine thumb2-ror tests. 
llvm-svn: 130498
 2011-04-29 14:02:41 +00:00