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40700 Commits

Author SHA1 Message Date
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
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
Jim Grosbach
1d9631950f 80 column cleanup. 
llvm-svn: 111266
 2010-08-17 18:39:16 +00:00
Benjamin Kramer
1e37b165c8 Sketch i386 relocations handling, from Roman Divacky. 
Hello world builds & runs now on i386/ELF with -integrated-as.

llvm-svn: 111264
 2010-08-17 18:20:28 +00:00
Jakob Stoklund Olesen
74db02758b Don't call Predicate_* methods directly from Sparc target. 
Modernize predicates a bit.

The Predicate_* methods are not used by TableGen any longer. They are only
emitted for the sake of legacy code.

llvm-svn: 111263
 2010-08-17 18:17:12 +00:00
Jim Grosbach
4597437c58 Add hook to examine an instruction referencing a frame index to determine 
whether to allocate a virtual frame base register to resolve the frame
index reference in it. Implement a simple version for ARM to aid debugging.

In LocalStackSlotAllocation, scan the function for frame index references
to local frame indices and ask the target whether to allocate virtual
frame base registers for any it encounters. Purely infrastructural for
debug output. Next step is to actually allocate base registers, then add
intelligent re-use of them.

rdar://8277890

llvm-svn: 111262
 2010-08-17 18:13:53 +00:00
Jim Grosbach
b321adf3af explicitly handle no-op cases for clarity. Fixes clang warning. 
llvm-svn: 111260
 2010-08-17 18:00:41 +00:00
Benjamin Kramer
3bc7de0605 Use the correct entry size for relocation entries, from Roman Divacky. 
llvm-svn: 111259
 2010-08-17 17:56:13 +00:00
Evan Cheng
4223d274ca Move the decision logic whether it's a good idea to split a critical edge to clients. Also fixed an erroneous check. An edge is only a back edge when the from and to blocks are in the same loop. 
llvm-svn: 111256
 2010-08-17 17:43:50 +00:00
Dan Gohman
e26025ddd0 When rotating loops, put the original header at the bottom of the 
loop, making the resulting loop significantly less ugly.  Also, zap
its trivial PHI nodes, since it's easy.

llvm-svn: 111255
 2010-08-17 17:39:21 +00:00
Jim Grosbach
4cf3acbde6 remove trailing whitespace 
llvm-svn: 111254
 2010-08-17 17:37:22 +00:00
Benjamin Kramer
cc741eccfa Differentiate between RELA and REL relocations, from Roman Divacky. 
llvm-svn: 111252
 2010-08-17 17:30:07 +00:00
Bob Wilson
e382fce916 Change ARM PKHTB and PKHBT instructions to use a shift_imm operand to avoid 
printing "lsl #0".  This fixes the remaining parts of pr7792.  Make
corresponding changes for encoding/decoding these instructions.

llvm-svn: 111251
 2010-08-17 17:23:19 +00:00
Evan Cheng
677a57e76a Fix debug message. 
llvm-svn: 111250
 2010-08-17 17:15:14 +00:00
Dan Gohman
aec27f6889 Use the getUniquePredecessor() utility function, instead of doing 
what it does manually.

llvm-svn: 111248
 2010-08-17 17:07:02 +00:00
Benjamin Kramer
2bf444b7d4 One baby step towards i386 ELF, from Roman Divacky. 
llvm-svn: 111247
 2010-08-17 17:02:29 +00:00
Chris Lattner
a556264e06 fix emacs language spec's, patch by Edmund Grimley-Evans! 
llvm-svn: 111241
 2010-08-17 16:20:04 +00:00
Nick Lewycky
510dd18c6f When creating a JIT, try to load the program so that we can resolve symbols 
against it. This affects Windows.

llvm-svn: 111240
 2010-08-17 16:19:18 +00:00
Chris Lattner
f403684a4d Fix failure of unittests/ExecutionEngine/JIT/MultiJITTest.cpp on 
cygwin when built with ENABLE_SHARED=1.  Patch by NAKAMURA Takumi!

llvm-svn: 111231
 2010-08-17 15:42:43 +00:00
Bob Wilson
6239dc42c6 Allow more cases of undef shuffle indices and add tests for them. 
llvm-svn: 111226
 2010-08-17 05:54:34 +00:00
Evan Cheng
908b65c371 Add an option to disable codegen prepare critical edge splitting. In theory, PHI elimination is already doing all (most?) of the splitting needed. But machine-licm and machine-sink seem to miss some important optimizations when splitting is disabled. 
llvm-svn: 111224
 2010-08-17 01:34:49 +00:00
Eric Christopher
2bf87a1c77 Fix typo. 
llvm-svn: 111223
 2010-08-17 01:30:33 +00:00
Eric Christopher
9a8050c4e1 Copy over some overridden MI wrappers for ARM fast-isel. This is where 
we're adding predicates and optional defs to the MachineInstrs.

llvm-svn: 111222
 2010-08-17 01:25:29 +00:00
Evan Cheng
0163d059e4 PHI elimination should not break back edge. It can cause some significant code placement issues. rdar://8263994 
good:
LBB0_2:
  mov     r2, r0
  . . .
  mov     r1, r2
  bne     LBB0_2

bad:
LBB0_2:
  mov     r2, r0
  . . .
@ BB#3:
  mov     r1, r2
  b       LBB0_2

llvm-svn: 111221
 2010-08-17 01:20:36 +00:00
Eric Christopher
8a68f2fc40 Make arm fast-isel possible to enable via command line. 
llvm-svn: 111219
 2010-08-17 00:46:57 +00:00
Benjamin Kramer
3acf387e2d Try to silence a overeager GCC warning. 
llvm-svn: 111214
 2010-08-17 00:33:24 +00:00
Benjamin Kramer
41deb334b5 A round of minor cleanups for ELFObjectWriter. 
llvm-svn: 111213
 2010-08-17 00:00:46 +00:00
Owen Anderson
803f9320fa Fix another iterator invalidation that caused a *really* nasty miscompilation in 403.gcc. 
llvm-svn: 111210
 2010-08-16 23:42:33 +00:00
Bob Wilson
1e40f2351c Ignore undef shuffle indices when checking for a VTRN shuffle. Radar 8290937. 
llvm-svn: 111208
 2010-08-16 23:37:17 +00:00
Jim Grosbach
9e252e854d tidy up. remove unused local. 
llvm-svn: 111206
 2010-08-16 23:26:09 +00:00
Benjamin Kramer
70e0faed21 Silence warnings and simplify code. Eliminate a 32/64 bit portability issue. 
llvm-svn: 111201
 2010-08-16 23:00:12 +00:00
Dan Gohman
72106f71dc The plural of analysis is analyses. 
llvm-svn: 111200
 2010-08-16 22:57:28 +00:00
Dan Gohman
b09e2e1be4 Make dumpPassStructure be a PMDataManager abstraction, rather than 
a Pass abstraction, since that's the level it's actually used at.
Rename Pass' dumpPassStructure to dumpPass.

This eliminates an awkward use of getAsPass() to convert a PMDataManager*
into a Pass* just to permit a dumpPassStructure call.

llvm-svn: 111199
 2010-08-16 22:45:12 +00:00
Jim Grosbach
ea414d3999 Better handle alignment requirements for local objects in pre-regalloc frame 
mapping. Have the local block track its alignment requirement, and then
apply that when the block itself is allocated. Previously, offsets could
get adjusted in PEI to be different, relative to one another, than the
block allocation thought they would be, which defeats the point of doing
the allocation this way. Continuing rdar://8277890

llvm-svn: 111197
 2010-08-16 22:30:41 +00:00
Bob Wilson
d662e8cd02 Generalize a pattern for PKHTB: an SRL of 16-31 bits will guarantee 
that the high halfword is zero.  The shift need not be exactly 16 bits.

llvm-svn: 111196
 2010-08-16 22:26:55 +00:00
Dan Gohman
dfd828dd87 Remove redundant inline keywords. 
llvm-svn: 111192
 2010-08-16 21:57:30 +00:00
Dan Gohman
05fbd723d5 Eliminate the TopLevelManagerType enum; instead, just make 
PMTopLevelManager's constructor take a PMDataManager *, which already
provides the needed abstraction support.

llvm-svn: 111189
 2010-08-16 21:38:42 +00:00
Eli Friedman
515b81a494 Comment out some broken/unused/useless instructions which mess up disassembly. 
llvm-svn: 111185
 2010-08-16 21:18:51 +00:00
Eli Friedman
39484fda25 Fixes for generation of ELF relocations. Patch by Roman Divacky. 
llvm-svn: 111183
 2010-08-16 21:17:09 +00:00
Eli Friedman
b9707bb261 Don't attempt to SimplifyShortMoveForm in 64-bit mode. 
llvm-svn: 111182
 2010-08-16 21:03:32 +00:00
Eli Friedman
fb8b05726f Until uleb/sleb are MC-ized, add a hack to make them work with ELF object 
emission.

llvm-svn: 111177
 2010-08-16 20:08:40 +00:00