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5445 Commits

Author SHA1 Message Date
Gordon Henriksen
0a5e079b8e Don't require Registry specializations to define random static variables. 
llvm-svn: 54902
 2008-08-17 19:08:34 +00:00
Gordon Henriksen
a9ff400fa9 Drop an unnecessary include. 
llvm-svn: 54901
 2008-08-17 18:54:05 +00:00
Gordon Henriksen
2cc861a6c1 Rename some GC classes so that their roll will hopefully be clearer. 
In particular, Collector was confusing to implementors. Several
thought that this compile-time class was the place to implement
their runtime GC heap. Of course, it doesn't even exist at runtime.
Specifically, the renames are:

  Collector               -> GCStrategy
  CollectorMetadata       -> GCFunctionInfo
  CollectorModuleMetadata -> GCModuleInfo
  CollectorRegistry       -> GCRegistry
  Function::getCollector  -> getGC (setGC, hasGC, clearGC)

Several accessors and nested types have also been renamed to be
consistent. These changes should be obvious.

llvm-svn: 54899
 2008-08-17 18:44:35 +00:00
Gordon Henriksen
caf246344c Don't instantiate GC metadata for declarations. 
llvm-svn: 54895
 2008-08-17 16:18:50 +00:00
Anton Korobeynikov
f1b2880420 Fix merge error 
llvm-svn: 54891
 2008-08-17 13:56:03 +00:00
Anton Korobeynikov
1866ca5736 Move all assembler printing related stuff into new libAsmPrinter 
llvm-svn: 54885
 2008-08-17 13:53:04 +00:00
Anton Korobeynikov
19f5435928 Factor out asmprinters from collector interface. 
llvm-svn: 54884
 2008-08-17 13:52:35 +00:00
Gordon Henriksen
e51c9eb75e Factor GC metadata table assembly generation out of Collector in preparation for splitting AsmPrinter into its own library. 
llvm-svn: 54881
 2008-08-17 12:56:54 +00:00
Gordon Henriksen
4d2eb98d42 Factor GC metadata table assembly generation out of Collector in preparation for splitting AsmPrinter into its own library. 
llvm-svn: 54880
 2008-08-17 12:08:44 +00:00
Chris Lattner
c0610874cc Rework the routines that convert AP[S]Int into a string. Now, instead of 
returning an std::string by value, it fills in a SmallString/SmallVector
passed in.  This significantly reduces string thrashing in some cases.

More specifically, this:
 - Adds an operator<< and a print method for APInt that allows you to 
   directly send them to an ostream.
 - Reimplements APInt::toString to be much simpler and more efficient
   algorithmically in addition to not thrashing strings quite as much.

This speeds up llvm-dis on kc++ by 7%, and may also slightly speed up the
asmprinter.  This also fixes a bug I introduced into the asmwriter in a
previous patch w.r.t. alias printing.

llvm-svn: 54873
 2008-08-17 07:19:36 +00:00
Anton Korobeynikov
436f708112 Move SLEB/ULEB size calculation routines from AsmPrinter to TargetAsmInfo. This makes JIT asmprinter-free. 
llvm-svn: 54843
 2008-08-16 12:57:46 +00:00
Owen Anderson
426c49472d Convert several std::vectors over to SmallVector, and use reserve() as appropriate for cases where std::vector is still used. 
llvm-svn: 54820
 2008-08-15 18:49:41 +00:00
Owen Anderson
d3c6cbed61 Use SmallSet instead of std::set to save allocations. 
llvm-svn: 54810
 2008-08-14 23:41:38 +00:00
Owen Anderson
fd1d9b5c38 Move MachineInstr::getOpcode inline. 
llvm-svn: 54807
 2008-08-14 23:25:30 +00:00
Owen Anderson
600a8ca0d5 Convert uses of std::vector in TargetInstrInfo to SmallVector. This change had to be propoagated down into all the targets and up into all clients of this API. 
llvm-svn: 54802
 2008-08-14 22:49:33 +00:00
Dan Gohman
6b146d5ec3 Make FastISel's constructor protected, and give it a destructor. 
llvm-svn: 54793
 2008-08-14 21:51:29 +00:00
Owen Anderson
af9e467544 Remove more uses of std::set. 
llvm-svn: 54787
 2008-08-14 21:01:00 +00:00
Dan Gohman
b0f5e18201 Improve support for vector casts in LLVM IR and CodeGen. 
llvm-svn: 54784
 2008-08-14 20:04:46 +00:00
Owen Anderson
169e5e5b99 Speed up addRegisterDead by adding more fast checks before performing the expensive 
subregister query, and by increasing the size of the subregister hashtable so
that there are fewer collisions.

llvm-svn: 54781
 2008-08-14 18:34:18 +00:00
Dan Gohman
027326ba3e Use empty() instead of begin() == end(). 
llvm-svn: 54780
 2008-08-14 18:13:49 +00:00
Owen Anderson
34aee11210 Get rid of a use of std::map. 
llvm-svn: 54770
 2008-08-13 23:36:23 +00:00
Dan Gohman
db5b503d60 Fix a bogus srem rule - a negative value srem'd by a power-of-2 
can have a non-negative result; for example, -16%16 is 0. Also,
clarify the related comments. This fixes PR2670.

llvm-svn: 54767
 2008-08-13 23:12:35 +00:00
Owen Anderson
de29970fc6 Expunge the last uses of std::map from LiveIntervals. 
llvm-svn: 54766
 2008-08-13 22:28:50 +00:00
Owen Anderson
550fc15832 Move r2iMap_ over to DenseMap from std::map. 
llvm-svn: 54765
 2008-08-13 22:08:30 +00:00
Dan Gohman
096cdc6059 Allow SelectionDAG to create EXTRACT_VECTOR_ELT nodes with 
non-constant indices. Only a few of the peephole checks require
a constant index.

llvm-svn: 54764
 2008-08-13 21:51:37 +00:00
Owen Anderson
28f2e658f1 Make the allocation of LiveIntervals explicit, rather than holding them in the r2iMap_ by value. This will prevent references to them from being invalidated 
if the map is changed.

llvm-svn: 54763
 2008-08-13 21:49:13 +00:00
Dan Gohman
4b1b033f89 Initial checkin of the new "fast" instruction selection support. See 
the comments in FastISelEmitter.cpp for details on what this is.
This is currently experimental and unusable.

llvm-svn: 54751
 2008-08-13 20:19:35 +00:00
Dan Gohman
9e27bed4f0 Rename SelectionDAGISel's FastISel to Fast, to begin to make 
room for the new FastISel instruction selection code.

llvm-svn: 54749
 2008-08-13 19:47:40 +00:00
Owen Anderson
9007c9afde Get rid of unused variable. 
llvm-svn: 54742
 2008-08-13 17:44:52 +00:00
Owen Anderson
95ac2ab349 1) Merge entire live intervals instead of parts of them. 
2) Conditionalize temporary insertion if we don't need it.

llvm-svn: 54741
 2008-08-13 17:25:42 +00:00
Dan Gohman
f927e9615f Correct the filename in the top-of-file comment. 
llvm-svn: 54688
 2008-08-12 17:42:33 +00:00
Dan Gohman
a27ed39f05 Take the FrameOffset into account when computing the alignment 
of stack objects. This fixes PR2656.

llvm-svn: 54646
 2008-08-11 18:27:03 +00:00
Gordon Henriksen
051f7c07a9 Fix some typos. Apparently I think C needs a power-of operator. 
llvm-svn: 54574
 2008-08-09 03:48:46 +00:00
Eric Christopher
dcd4752642 Have IRBuilder take a template argument on whether or not to preserve 
names. This can save a lot of allocations if you aren't going to be
looking at the output.

llvm-svn: 54546
 2008-08-08 19:39:37 +00:00
Anton Korobeynikov
8d77445753 Handle visibility printing with all generality. Remove bunch of duplicate code. 
llvm-svn: 54540
 2008-08-08 18:25:07 +00:00
Owen Anderson
8eab9e50dc Reduce the entries in a phi before testing it for deadness, because removing the entries might make it dead. 
llvm-svn: 54535
 2008-08-08 18:00:05 +00:00
Evan Cheng
cc7944b919 Add skeleton of simple basic block instruction selector. 
llvm-svn: 54522
 2008-08-08 07:27:28 +00:00
Nick Lewycky
19a341cf57 Don't crash printing the asm for a ConstantExpr PtrToInt just because the int 
is narrower than the pointer. This testcase emits:

  .byte (((17) - 16) & 255)

llvm-svn: 54517
 2008-08-08 06:34:07 +00:00
Bruno Cardoso Lopes
2284374fcc Add the remaining fp_round libcalls: 
FPROUND_F80_F32, FPROUND_PPCF128_F32, 
FPROUND_F80_F64, FPROUND_PPCF128_F64

Support for soften float fp_round operands is added, Mips 
needs this to round f64->f32.

Also added support to soften float FABS result, Mips doesn't 
support double fabs results while in 'single float only' mode.

llvm-svn: 54484
 2008-08-07 19:01:24 +00:00
Owen Anderson
1893d0f813 Do a dominator walk when scheduling copies, rather than a DFS on the CFG. Also, fix a few problems when creating 
live intervals for temporaries created by phi elimination.

llvm-svn: 54483
 2008-08-07 18:28:07 +00:00
Dan Gohman
74fa421281 Re-enable elimination of unnecessary SUBREG_TO_REG instructions in 
LowerSubregs, and fix an x86-64 isel bug that this exposed.

SUBREG_TO_REG for x86-64 implicit zero extension is only safe for
isel to generate when the source is known to always have zeros in
the high 32 bits. The EXTRACT_SUBREG instruction does not clear
the high 32 bits.

llvm-svn: 54444
 2008-08-07 02:54:50 +00:00
Evan Cheng
f8a801a9b8 Factor code that finalize PHI nodes, jump tables, etc. out of SelectBasicBlock. No functionality changes. 
llvm-svn: 54438
 2008-08-07 00:43:25 +00:00
Owen Anderson
2975ced4df SDISel's constant branch folding can fold away self-loops, which doesn't result in any dead blocks, but 
rather an incorrect phi input.  Add code to UnreachableMachineBlockElim to get rid of these entries.

llvm-svn: 54432
 2008-08-06 23:16:52 +00:00
Owen Anderson
655eb1a3bc Correct handle cases where two phis are coalesced together, and correct break up the case where two different 
phis want to coalesce with the same vreg.

llvm-svn: 54426
 2008-08-06 22:08:58 +00:00
Owen Anderson
33cf898dff Oops, didn't mean to commit this. 
llvm-svn: 54425
 2008-08-06 20:58:38 +00:00
Owen Anderson
5929d57f67 We don't need to try to coalesce input vregs that are the same as the output vreg. 
llvm-svn: 54422
 2008-08-06 20:29:20 +00:00
Owen Anderson
482d679301 Only trim a live interval if the register is not used after the PHI node. 
llvm-svn: 54421
 2008-08-06 18:36:17 +00:00
Owen Anderson
e95b75bed2 Only remap each VNInfo once when doing renumbering. 
llvm-svn: 54420
 2008-08-06 18:35:45 +00:00
Owen Anderson
e9c3ae9fe4 Fix breakage on ARM/2008-04-10-ScavengerAssert.ll. 
llvm-svn: 54378
 2008-08-05 22:24:40 +00:00
Evan Cheng
a07795a0c3 Fix PR2596: out of bound reference. 
llvm-svn: 54375
 2008-08-05 21:51:46 +00:00