RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-10-20 19:42:54 +02:00
Code Issues Projects Releases Wiki Activity
53,321 Commits 4 Branches 5 Tags 704 MiB
855341bf05
Commit Graph

8035 Commits

Author SHA1 Message Date
Evan Cheng
5ab1ccfaee Distinquish stack slots from other stack objects. They (and fixed objects) get FixedStack PseudoSourceValues. 
llvm-svn: 84326
 2009-10-17 09:20:14 +00:00
Evan Cheng
d941e8b23a Revert 84315 for now. Re-thinking the patch. 
llvm-svn: 84321
 2009-10-17 07:53:04 +00:00
Evan Cheng
12dd96e2f8 Rename getFixedStack to getStackObject. The stack objects represented are not 
necessarily fixed. Only those will negative frame indices are "fixed."

llvm-svn: 84315
 2009-10-17 06:22:26 +00:00
Evan Cheng
33ffbd3518 80 col violation. 
llvm-svn: 84311
 2009-10-17 06:05:11 +00:00
Dan Gohman
0a76c903df Delete an obsolete comment. 
llvm-svn: 84300
 2009-10-17 01:37:38 +00:00
Victor Hernandez
a25a2890fa Remove MallocInst from LLVM Instructions. 
llvm-svn: 84299
 2009-10-17 01:18:07 +00:00
Dan Gohman
f5225573b7 Enhance CodePlacementOpt's unconditional intra-loop branch elimination logic 
to be more general and understand more varieties of loops.

Teach CodePlacementOpt to reorganize the basic blocks of a loop so that
they are contiguous. This also includes a fair amount of logic for preserving
fall-through edges while doing so. This fixes a BranchFolding-ism where blocks
which can't be made to use a fall-through edge and don't conveniently fit
anywhere nearby get tossed out to the end of the function.

llvm-svn: 84295
 2009-10-17 00:32:43 +00:00
Mon P Wang
385786cdcf Allow widening of extract subvector 
llvm-svn: 84279
 2009-10-16 22:05:48 +00:00
Devang Patel
4790ea6ca2 Do not emit name entry for a pointer type. 
llvm-svn: 84276
 2009-10-16 21:27:43 +00:00
Evan Cheng
e1fbdc5244 Change createPostRAScheduler so it can be turned off at llc -O1. 
llvm-svn: 84273
 2009-10-16 21:06:15 +00:00
Devang Patel
5920acc861 If there is not any llvm instruction associated with each lexical scope encoded in debug info then create such scope on demand for variable info. 
llvm-svn: 84262
 2009-10-16 18:18:03 +00:00
Evan Cheng
dde3e4fe11 If post-alloc scheduler is not enabled, it should return false, not true. 
llvm-svn: 84248
 2009-10-16 06:10:34 +00:00
Zhongxing Xu
03d844a262 Indent code. 
llvm-svn: 84247
 2009-10-16 05:42:28 +00:00
Evan Cheng
04e4a8a961 80 column violation. 
llvm-svn: 84244
 2009-10-16 05:18:39 +00:00
Jakob Stoklund Olesen
2ba26ceb11 Report errors correctly for unselected target intrinsics. 
llvm-svn: 84193
 2009-10-15 18:50:03 +00:00
Dan Gohman
27c126770a Make CodePlacementOpt align loops, rather than loop headers. The 
header is just the entry block to the loop, and it needn't be at
the top of the loop in the code layout.

Remove the code that suppressed loop alignment for outer loops,
so that outer loops are aligned.

llvm-svn: 84158
 2009-10-15 00:36:22 +00:00
Evan Cheng
f46b194f84 When LiveVariables is adding implicit-def to model "partial dead", add the earlyclobber marker if the superreg def has it. 
llvm-svn: 84153
 2009-10-14 23:39:27 +00:00
Evan Cheng
f57950d75b Print earlyclobber for implicit-defs as well. 
llvm-svn: 84152
 2009-10-14 23:37:31 +00:00
Jim Grosbach
8da653b238 Make loop not recalc getNumOperands() each time around 
llvm-svn: 84138
 2009-10-14 21:22:39 +00:00
Devang Patel
22761afada Add support to record DbgScope as inlined scope. 
llvm-svn: 84134
 2009-10-14 21:08:09 +00:00
Jim Grosbach
9233bebc36 quiet compiler warning 
llvm-svn: 84133
 2009-10-14 21:07:11 +00:00
Duncan Sands
4fcf6123dd I don't see any point in having both eh.selector.i32 and eh.selector.i64, 
so get rid of eh.selector.i64 and rename eh.selector.i32 to eh.selector.
Likewise for eh.typeid.for.  This aligns us with gcc, which always uses a
32 bit value for the selector on all platforms.  My understanding is that
the register allocator used to assert if the selector intrinsic size didn't
match the pointer size, and this was the reason for introducing the two
variants.  However my testing shows that this is no longer the case (I
fixed some bugs in selector lowering yesterday, and some more today in the
fastisel path; these might have caused the original problems).

llvm-svn: 84106
 2009-10-14 16:11:37 +00:00
Dan Gohman
49946908b4 This remat entry is basically done. There are hooks to allow targets 
to remat non-load instructions as loads, and the remat code now uses
the UnmodeledSideEffects flags, MachineMemOperands, and similar things
to decide which instructions are valid for rematerialization.

llvm-svn: 84060
 2009-10-14 00:02:01 +00:00
Dan Gohman
d845fbc307 Add a few README.txt items. 
llvm-svn: 84059
 2009-10-13 23:58:05 +00:00
Devang Patel
72f708ec2f s/DebugLoc.CompileUnit/DebugLoc.Scope/g 
s/DebugLoc.InlinedLoc/DebugLoc.InlinedAtLoc/g

llvm-svn: 84054
 2009-10-13 23:28:53 +00:00
Duncan Sands
d4a35e9f36 Introduce new convenience methods for sign extending or 
truncating an SDValue (depending on whether the target
type is bigger or smaller than the value's type); or zero
extending or truncating it.  Use it in a few places (this
seems to be a popular operation, but I only modified cases
of it in SelectionDAGBuild).  In particular, the eh_selector
lowering was doing this wrong due to a repeated rather than
inverted test, fixed with this change.

llvm-svn: 84027
 2009-10-13 21:04:12 +00:00
David Goodwin
d23db026b6 Add debugging output. 
llvm-svn: 84011
 2009-10-13 19:16:03 +00:00
Daniel Dunbar
592c5055dd Fix a -Asserts warning. 
llvm-svn: 83950
 2009-10-13 06:47:08 +00:00
Devang Patel
aeac1241b8 Find enclosing subprogram info. 
llvm-svn: 83922
 2009-10-12 23:11:24 +00:00
Devang Patel
8abee488dc Set default location for a function if it is not set. 
llvm-svn: 83921
 2009-10-12 23:10:55 +00:00
Dale Johannesen
38c9b68ccf Revert the kludge in 76703. I got a clean 
bootstrap of FSF-style PPC, so there is some
reason to believe the original bug (which was
never analyzed) has been fixed, probably by
82266.

llvm-svn: 83871
 2009-10-12 18:49:00 +00:00
Dan Gohman
4c9118f50e Remove a redundant member variable. 
llvm-svn: 83857
 2009-10-12 16:44:10 +00:00
Nate Begeman
d27f450262 More heuristics for Combiner-AA. Still catches all important cases, but 
compile time penalty on gnugo, the worst case in MultiSource, is down to
about 2.5% from 30%

llvm-svn: 83824
 2009-10-12 05:53:58 +00:00
Chris Lattner
667c067ee0 Fix PR5087, patch by Jakub Staszak! 
llvm-svn: 83822
 2009-10-12 04:22:44 +00:00
Dan Gohman
605f85e0e6 Create a new InstrEmitter class for translating SelectionDAG nodes 
into MachineInstrs. This is mostly just moving the code from
ScheduleDAGSDNodesEmit.cpp into a new class. This decouples MachineInstr
emitting from scheduling.

llvm-svn: 83699
 2009-10-10 01:32:21 +00:00
Dan Gohman
3b025b778b Make getMachineNode return a MachineSDNode* instead of a generic SDNode* 
since it won't do any folding. This will help avoid some inconvenient
casting.

llvm-svn: 83698
 2009-10-10 01:29:16 +00:00
Dan Gohman
b98d95f4f9 Fix a missing initialization of PostRAScheduler's AA member. 
llvm-svn: 83695
 2009-10-10 00:15:38 +00:00
Dan Gohman
5141b26ffa The ScheduleDAG framework now requires an AliasAnalysis argument, though 
it isn't needed in the ScheduleDAGSDNodes schedulers.

llvm-svn: 83691
 2009-10-09 23:33:48 +00:00
Dan Gohman
5bfc2416fe Factor out LiveIntervalAnalysis' code to determine whether an instruction 
is trivially rematerializable and integrate it into
TargetInstrInfo::isTriviallyReMaterializable. This way, all places that
need to know whether an instruction is rematerializable will get the
same answer.

This enables the useful parts of the aggressive-remat option by
default -- using AliasAnalysis to determine whether a memory location
is invariant, and removes the questionable parts -- rematting operations
with virtual register inputs that may not be live everywhere.

llvm-svn: 83687
 2009-10-09 23:27:56 +00:00
Devang Patel
c97c44b584 Extract scope information from the variable itself, instead of relying on alloca or llvm.dbg.declare location. 
While recording beginning of a function, use scope info from the first location entry instead of just relying on first location entry itself.

llvm-svn: 83684
 2009-10-09 22:42:28 +00:00
Dan Gohman
3005d6bf9f isTriviallyReMaterializable checks the 
TargetInstrDesc::isRematerializable flag, so it isn't necessary to do
this check in its callers.

llvm-svn: 83671
 2009-10-09 21:02:10 +00:00
Dan Gohman
4fe1a982ed Add basic infrastructure and x86 support for preserving MachineMemOperand 
information when unfolding memory references.

llvm-svn: 83656
 2009-10-09 18:10:05 +00:00
Devang Patel
a772046766 Check invalid debug info for enums. This may happen when underlyng enum is optimized away. Eventually DwarfChecker will clean this up during llvm verification stage. 
llvm-svn: 83655
 2009-10-09 17:51:49 +00:00
Jim Grosbach
809d1bfdd3 when previous scratch register is killed, flag the value as no longer tracking 
llvm-svn: 83653
 2009-10-09 17:33:33 +00:00
Evan Cheng
ec853b9ba5 Give Dan and my recent changes, machine LICM is now code size neutral. 
llvm-svn: 83624
 2009-10-09 06:31:25 +00:00
Evan Cheng
439044f330 Fix a logic error that caused non-rematable loop invariants loads to be licm'ed out of loop. 
llvm-svn: 83622
 2009-10-09 06:21:52 +00:00
Evan Cheng
b1f6b5fccc Reset kill markers after live interval is reconstructed. 
llvm-svn: 83608
 2009-10-09 01:17:11 +00:00
Evan Cheng
8eb0ce14d9 Remove code that makes no sense. 
llvm-svn: 83589
 2009-10-08 22:42:35 +00:00
Devang Patel
dcfcba3a71 Clear variable debug info map at the end of the function. 
llvm-svn: 83571
 2009-10-08 20:41:17 +00:00
Bob Wilson
72c8f63e50 Add a SelectionDAG getTargetInsertSubreg convenience function, 
similar to getTargetExtractSubreg.

llvm-svn: 83564
 2009-10-08 18:49:46 +00:00
Devang Patel
e16aac2206 Do not record line number to implicitly mark start of function if function has arguments. Extra line number entries trip gdb in some cases. 
llvm-svn: 83563
 2009-10-08 18:48:03 +00:00
Dan Gohman
68e044e81a Add a form of addPreserved which takes a string argument, to allow passes 
to declare that they preserve other passes without needing to pull in
additional header file or library dependencies. Convert MachineFunctionPass
and CodeGenLICM to make use of this.

llvm-svn: 83555
 2009-10-08 17:00:02 +00:00
Jim Grosbach
a3e1149941 Re-enable register scavenging in Thumb1 by default. 
llvm-svn: 83521
 2009-10-08 01:46:59 +00:00
Jim Grosbach
a8e8c8a28f bugfix. The target may use virtual registers that aren't tracked for re-use but are allocated by the scavenger. The re-use algorithm needs to watch for that. 
llvm-svn: 83519
 2009-10-08 01:09:45 +00:00
Jim Grosbach
cb905d28a8 reverting thumb1 scavenging default due to test failure while I figure out what's up. 
llvm-svn: 83501
 2009-10-07 22:49:41 +00:00
Chris Lattner
41e4cd7ef4 second half of lazy liveness removal. 
llvm-svn: 83500
 2009-10-07 22:49:30 +00:00
Jim Grosbach
cc952b2ff8 Enable thumb1 register scavenging by default. 
llvm-svn: 83496
 2009-10-07 22:26:31 +00:00
Jim Grosbach
0609c91ec4 grammar 
llvm-svn: 83483
 2009-10-07 19:08:36 +00:00
Jim Grosbach
5db951c6a2 add initializers for clarity. Add missing assignment of PrevLastUseOp. 
llvm-svn: 83481
 2009-10-07 18:44:24 +00:00
Owen Anderson
132727997c Remove LazyLiveness from the tree. It doesn't work right now, and I'm not going to have the time 
to finish it any time soon.  If someone's interested it, they can resurrect it from SVN history.

llvm-svn: 83480
 2009-10-07 18:40:17 +00:00
Dan Gohman
0447afe915 Replace some code for aggressive-remat with MachineInstr::isInvariantLoad, and 
teach it how to recognize invariant physical registers.

llvm-svn: 83476
 2009-10-07 17:47:20 +00:00
Dan Gohman
b95136e649 Replace TargetInstrInfo::isInvariantLoad and its target-specific 
implementations with a new MachineInstr::isInvariantLoad, which uses
MachineMemOperands and is target-independent. This brings MachineLICM
and other functionality to targets which previously lacked an
isInvariantLoad implementation.

llvm-svn: 83475
 2009-10-07 17:38:06 +00:00
Dan Gohman
aa09eaa3e8 Add a few simple MachineVerifier checks for MachineMemOperands. 
llvm-svn: 83474
 2009-10-07 17:36:00 +00:00
Jim Grosbach
61c5ce1bde Add register-reuse to frame-index register scavenging. When a target uses 
a virtual register to eliminate a frame index, it can return that register
and the constant stored there to PEI to track. When scavenging to allocate
for those registers, PEI then tracks the last-used register and value, and
if it is still available and matches the value for the next index, reuses
the existing value rather and removes the re-materialization instructions.
Fancier tracking and adjustment of scavenger allocations to keep more
values live for longer is possible, but not yet implemented and would likely
be better done via a different, less special-purpose, approach to the
problem.

eliminateFrameIndex() is modified so the target implementations can return
the registers they wish to be tracked for reuse.

ARM Thumb1 implements and utilizes the new mechanism. All other targets are
simply modified to adjust for the changed eliminateFrameIndex() prototype.

llvm-svn: 83467
 2009-10-07 17:12:56 +00:00
Dan Gohman
564b5f75ac Fix this comment. The loop header is the loop entry point. 
llvm-svn: 83437
 2009-10-07 00:33:10 +00:00
Devang Patel
1639c0e45a Add support to handle debug info attached to an instruction. 
This is not yet enabled.

llvm-svn: 83400
 2009-10-06 18:37:31 +00:00
Dan Gohman
a803c712dd Instead of printing unnecessary basic block labels as labels in 
verbose-asm mode, print comments instead. This eliminates a non-comment
difference between verbose-asm mode and non-verbose-asm mode.

Also, factor out the relevant code out of all the targets and into
target-independent code.

llvm-svn: 83392
 2009-10-06 17:38:38 +00:00
Duncan Sands
2400ad7236 Introduce and use convenience methods for getting pointer types 
where the element is of a basic builtin type.  For example, to get
an i8* use getInt8PtrTy.

llvm-svn: 83379
 2009-10-06 15:40:36 +00:00
Jim Grosbach
d8a4aaa624 grammar 
llvm-svn: 83378
 2009-10-06 15:03:44 +00:00
Devang Patel
bad114ca60 Fix cut-n-pasto. 
llvm-svn: 83367
 2009-10-06 03:15:38 +00:00
Devang Patel
a8f35ac640 Update processDebugLoc() so that it can be used to process debug info before and after printing an instruction. 
llvm-svn: 83363
 2009-10-06 02:19:11 +00:00
Devang Patel
3200e99109 Remove dead code. 
llvm-svn: 83362
 2009-10-06 02:01:32 +00:00
Devang Patel
0141a90812 Add utility routine to set begin and end labels for DbgScopes. 
This will be used by processDebugLoc().

llvm-svn: 83361
 2009-10-06 01:50:42 +00:00
Devang Patel
2001f5878b Remove unintentional function decl. 
llvm-svn: 83356
 2009-10-06 01:31:35 +00:00
Devang Patel
ac511d1acf Add utility routine to collect variable debug info. This is not yet used. 
llvm-svn: 83355
 2009-10-06 01:26:37 +00:00
Devang Patel
6a7f2ee022 Set default location for the function if it is not already set. 
This code is not  yet enabled.

llvm-svn: 83349
 2009-10-06 00:09:08 +00:00
Devang Patel
3b3d8a9d09 Existence of a compile unit for input source file is a good indicator to check debug info's presence in a module. 
llvm-svn: 83348
 2009-10-06 00:03:14 +00:00
Devang Patel
f129b0d44f If subprogram die is not available then construct new one. 
This can happen if debug info is processed lazily.

llvm-svn: 83347
 2009-10-05 23:59:00 +00:00
Devang Patel
dff583ac49 Adjust context for the global variables that are not at file scope, e.g. 
void foo() { static int bar = 42; }
Here, foo's DIE is parent of bar's DIE.

llvm-svn: 83344
 2009-10-05 23:40:42 +00:00
Devang Patel
4e9591a170 Set address while constructing DIE. 
llvm-svn: 83343
 2009-10-05 23:22:08 +00:00
Jim Grosbach
d6da133b85 In Thumb1, the register scavenger is not always able to use an emergency 
spill slot. When frame references are via the frame pointer, they will be
negative, but Thumb1 load/store instructions only allow positive immediate
offsets. Instead, Thumb1 will spill to R12.

llvm-svn: 83336
 2009-10-05 22:30:23 +00:00
Devang Patel
28b7c6155c Gracefully handle various scopes while recording source line info. 
llvm-svn: 83317
 2009-10-05 18:03:19 +00:00
Chris Lattner
a3cf123e86 strength reduce a ton of type equality tests to check the typeid (Through 
the new predicates I added) instead of going through a context and doing a
pointer comparison.  Besides being cheaper, this allows a smart compiler
to turn the if sequence into a switch.

llvm-svn: 83297
 2009-10-05 05:54:46 +00:00
Chris Lattner
2c0a4fb325 stop MachineFunctionPass from claiming that it preserves LoopDependence info, 
which causes dependence info to be linked into lli.

llvm-svn: 83289
 2009-10-05 02:35:05 +00:00
Jakob Stoklund Olesen
61a76937ee Whitespace and formatting. 
llvm-svn: 83285
 2009-10-04 18:18:39 +00:00
Lang Hames
40530eacdb Oops. Renamed remaining MachineInstrIndex references. 
llvm-svn: 83255
 2009-10-03 04:31:31 +00:00
Lang Hames
f6903a7043 Renamed MachineInstrIndex to LiveIndex. 
llvm-svn: 83254
 2009-10-03 04:21:37 +00:00
Benjamin Kramer
aa33886dd7 Fix a use-after-free in post-ra-scheduling. 
MI->addOperand invalidates references to it's operands, avoid touching
the operand after a new one was added.

llvm-svn: 83249
 2009-10-02 15:59:52 +00:00
David Goodwin
cb4a66977c All callee-saved registers are live-out of a return block. 
llvm-svn: 83223
 2009-10-01 23:28:47 +00:00
David Goodwin
a4b73e486e Remove neonfp attribute and instead set default based on CPU string. Add -arm-use-neon-fp to override the default. 
llvm-svn: 83218
 2009-10-01 22:19:57 +00:00
David Goodwin
d0edce4c0d Restore the -post-RA-scheduler flag as an override for the target specification. Remove -mattr for setting PostRAScheduler enable and instead use CPU string. 
llvm-svn: 83215
 2009-10-01 21:46:35 +00:00
Devang Patel
7aa19711f8 Add support to extract lexical scope information from DebugLoc attached with an machine instruction. 
This is not yet enabled.

llvm-svn: 83210
 2009-10-01 20:31:14 +00:00
David Goodwin
0a7770b3e0 Use MachineFrameInfo.getPristineRegs() to determine which callee-saved registers are available for anti-dependency breaking. Some cleanup. 
llvm-svn: 83208
 2009-10-01 19:45:32 +00:00
Devang Patel
7b4ba71afa Record first and last instruction of a scope in DbgScope. 
llvm-svn: 83207
 2009-10-01 18:25:23 +00:00
Evan Cheng
68d79a17a0 Observe hasExtraSrcRegAllocReq and hasExtraDefRegAllocReq. Do not change 
operands of instructions with these properties while breaking anti-dep.

llvm-svn: 83198
 2009-10-01 08:26:23 +00:00
Devang Patel
4f1147e386 Add another MDNode into DebugLocTuple. This will be used to keep track of inlined functions. 
llvm-svn: 83190
 2009-10-01 01:15:28 +00:00
Devang Patel
d24ba7a101 If location info is attached with an instruction then keep track of alloca slots used by a variable. This info will be used by AsmPrinter to emit debug info for variables. 
llvm-svn: 83189
 2009-10-01 01:03:26 +00:00
Devang Patel
e097bf49d0 Use MachineInstr as an processDebugLoc() argument. 
This will allow processDebugLoc() to handle scopes for DWARF debug info. 

llvm-svn: 83183
 2009-09-30 23:12:50 +00:00
Devang Patel
044648c2d7 Use MDNode * directly as an RecordSourceLine() argument. 
llvm-svn: 83182
 2009-09-30 22:51:28 +00:00
Devang Patel
ef84ca6011 Remove dead code. 
llvm-svn: 83181
 2009-09-30 22:43:52 +00:00