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Author SHA1 Message Date
Dan Gohman
022c4b719c Use an assert to check that SelectCode isn't called on 
nodes that are already selected.

llvm-svn: 58763
 2008-11-05 18:30:52 +00:00
Dan Gohman
cd2c7f16c0 The HadDelete field is no longer used. 
llvm-svn: 58761
 2008-11-05 17:35:14 +00:00
Dan Gohman
1db84e57c5 Reintroduce a comment that was removed with the AddToISelQueue 
changes.

llvm-svn: 58760
 2008-11-05 17:16:24 +00:00
Dan Gohman
d308ef44f6 Update some comments to reflect the new code. 
llvm-svn: 58759
 2008-11-05 17:13:57 +00:00
Richard Osborne
efd7edc731 Test commit, add Makefile for XCore target, more to follow. 
llvm-svn: 58755
 2008-11-05 09:53:58 +00:00
Duncan Sands
f56e2fb5c2 Fix thinko in ppcf128 expansion of truncating store. 
llvm-svn: 58753
 2008-11-05 07:17:27 +00:00
Evan Cheng
1378d6c7a9 Add more vector move low and zero-extend patterns. 
llvm-svn: 58752
 2008-11-05 06:04:51 +00:00
Evan Cheng
1bde698192 Type of shuffle mask has changed. 
llvm-svn: 58751
 2008-11-05 06:04:18 +00:00
Evan Cheng
fdd6d65e39 Indentation. 
llvm-svn: 58750
 2008-11-05 06:03:38 +00:00
Dan Gohman
cd4b68bee9 Eliminate the ISel priority queue, which used the topological order for a 
priority function. Instead, just iterate over the AllNodes list, which is
already in topological order. This eliminates a fair amount of bookkeeping,
and speeds up the isel phase by about 15% on many testcases.

The impact on most targets is that AddToISelQueue calls can be simply removed.

In the x86 target, there are two additional notable changes.

The rule-bending AND+SHIFT optimization in MatchAddress that creates new
pre-isel nodes during isel is now a little more verbose, but more robust.
Instead of either creating an invalid DAG or creating an invalid topological
sort, as it has historically done, it can now just insert the new nodes into
the node list at a position where they will be consistent with the topological
ordering.

Also, the address-matching code has logic that checked to see if a node was
"already selected". However, when a node is selected, it has all its uses
taken away via ReplaceAllUsesWith or equivalent, so it won't recieve any
further visits from MatchAddress. This code is now removed.

llvm-svn: 58748
 2008-11-05 04:14:16 +00:00
Dan Gohman
215587186e Use getTargetConstant instead of getConstant for nodes that should not be visited 
by isel and potentially forced into registers.

llvm-svn: 58747
 2008-11-05 02:06:09 +00:00
Evan Cheng
2702e22b83 Rename isGVLazyPtr to isGVNonLazyPtr relocation. This represents Mac OS X 
indirect gv reference. Please don't call it lazy.

llvm-svn: 58746
 2008-11-05 01:50:32 +00:00
Devang Patel
5ca10e5295 New test case. 
llvm-svn: 58745
 2008-11-05 01:40:30 +00:00
Devang Patel
de9b95965a Do now allow InlineAlways pass to remove dead functions. 
llvm-svn: 58744
 2008-11-05 01:39:16 +00:00
Devang Patel
b55a78e553 Silence unused variable warnings. 
llvm-svn: 58743
 2008-11-05 01:37:40 +00:00
Devang Patel
bc6ef4c191 Check Attribute::NoInline. 
llvm-svn: 58742
 2008-11-05 01:37:05 +00:00
Bill Wendling
986e386794 Remove dead variable. 
llvm-svn: 58741
 2008-11-05 00:56:35 +00:00
Bill Wendling
8c86d20576 Simplify the allocated size calculation. 
llvm-svn: 58740
 2008-11-05 00:54:27 +00:00
Bill Wendling
2461aaa183 Fix comment 
llvm-svn: 58739
 2008-11-05 00:46:15 +00:00
Owen Anderson
df29b0d7b2 Use the new predicate to control when we do prealloc splitting. Fix a small bug. 
llvm-svn: 58738
 2008-11-05 00:32:13 +00:00
Evan Cheng
8a5c3c5cc3 Debugging output tweak. 
llvm-svn: 58737
 2008-11-05 00:22:28 +00:00
Oscar Fuentes
afb65a6c2a CMake: updated list of source files. 
llvm-svn: 58736
 2008-11-05 00:11:22 +00:00
Bill Wendling
e73f31f526 Some code simplification. It now doesn't generate a prologue if the epilogue 
isn't going to be generated.

llvm-svn: 58734
 2008-11-05 00:00:21 +00:00
Dan Gohman
c162a200ad Add a new pass to simplify specific half_powr function calls. This is 
a specialized pass that it not likely to be generally useful.

llvm-svn: 58732
 2008-11-04 23:41:45 +00:00
Devang Patel
bc0cbd20b0 On darwin, 32-bit x86 target is i386-apple-darwin... 
llvm-svn: 58731
 2008-11-04 23:13:50 +00:00
Nuno Lopes
a5d766c285 fix memory leak in pass manager when adding an analysis pass that already existed. as pass manager takes ownership of the added passes, it has to delete the pass if it isnt added to the pass list 
tweak the opt tool so that it doesnt access a Pass after the ownership was taken by the pass manager

llvm-svn: 58730
 2008-11-04 23:03:58 +00:00
Anton Korobeynikov
169173000f Fix tests not to emit IR output 
llvm-svn: 58729
 2008-11-04 23:02:39 +00:00
Bill Wendling
214f515922 Small simplification of the stack guard type. 
llvm-svn: 58728
 2008-11-04 22:54:43 +00:00
Bill Wendling
79a8798e07 - Add a "getOrInsertGlobal" method to the Module class. This acts similarly to 
"getOrInsertFunction" in that it either adds a new declaration of the global
  and returns it, or returns the current one -- optionally casting it to the
  correct type.
- Use the new getOrInsertGlobal in the stack protector code.
- Use "splitBasicBlock" in the stack protector code.

llvm-svn: 58727
 2008-11-04 22:51:24 +00:00
Owen Anderson
2ed3bc9016 First pass at checking for the creation of a new join point when doing pre-alloc splitting. This is not turned on yet. 
llvm-svn: 58726
 2008-11-04 22:22:41 +00:00
Evan Cheng
59112bc108 Actually ARM / Mac OS X does have UINTTOFP_I64_F{64|32} libcalls. 
llvm-svn: 58725
 2008-11-04 22:19:55 +00:00
Bill Wendling
ae168b2c83 Update in response to feedback from Chris: 
- Use enums instead of magic numbers.

- Rework algorithm to use the bytes size from the target to determine when to
  emit stack protectors.

- Get rid of "propolice" in any comments.

- Renamed an option to its expanded form.

- Other miscellanenous changes.

More changes will come after this.

llvm-svn: 58723
 2008-11-04 21:53:09 +00:00
Gabor Greif
efaf754a8c fix two validation errors 
llvm-svn: 58722
 2008-11-04 21:50:59 +00:00
Gabor Greif
bb2aa36f81 fix typos, harmonize formatting 
llvm-svn: 58721
 2008-11-04 21:48:10 +00:00
Tanya Lattner
2c01b34040 Revert 58687. This breaks mingw. 
llvm-svn: 58719
 2008-11-04 21:06:11 +00:00
Dale Johannesen
e51c5296a6 Allow SROA of vectors. Removing this caused a 
huge performance regression in something we care
about.  This may not be final fix.

llvm-svn: 58718
 2008-11-04 20:54:03 +00:00
Dale Johannesen
eee3a8a2e0 80 columns 
llvm-svn: 58717
 2008-11-04 20:52:49 +00:00
Evan Cheng
45496b349f Custom lower bit_convert i64 -> f64 into FMDRR. This is now happening with legalizetypes. 
llvm-svn: 58714
 2008-11-04 19:57:48 +00:00
Tanya Lattner
775d919c49 Add note about cmake. Patch by Oscar Fuentes. 
llvm-svn: 58712
 2008-11-04 18:40:27 +00:00
Dan Gohman
171432bfe1 Give tablegen's Type a destructor, to suppress spurious 
"Type has virtual functions but non-virtual destructor"
warnings.

llvm-svn: 58710
 2008-11-04 18:09:07 +00:00
Duncan Sands
aed2dfe3f6 Fix typo. Patch by nlewycky. 
llvm-svn: 58709
 2008-11-04 18:05:30 +00:00
Evan Cheng
d63b7563b7 Debug output tweak. 
llvm-svn: 58708
 2008-11-04 17:58:53 +00:00
Evan Cheng
088f7c51a4 LDM_RET restores pc, do not set 's' bit which would restore CPSR from SPSR. 
llvm-svn: 58707
 2008-11-04 17:57:07 +00:00
Duncan Sands
58ebf09772 Fix PR3011: LegalizeTypes support for scalarizing 
SELECT_CC.

llvm-svn: 58706
 2008-11-04 17:31:08 +00:00
Dan Gohman
50183113b9 Duncan pointed out that the Extended case in getTypeForMVT could 
be considerably simplified.

llvm-svn: 58703
 2008-11-04 16:19:44 +00:00
Dan Gohman
13237dda2d Add a return statement to suppress warnings in NDEBUG builds. 
llvm-svn: 58702
 2008-11-04 16:08:57 +00:00
Dan Gohman
2dff90b025 Add some asserts to verify MVT invariant assumptions. 
llvm-svn: 58701
 2008-11-04 16:03:56 +00:00
Nuno Lopes
b16d9bd0c3 regenerate 
llvm-svn: 58697
 2008-11-04 14:43:20 +00:00
Nuno Lopes
064bb29c9d fix leakage of APFloats in getExistingVal() 
llvm-svn: 58696
 2008-11-04 14:42:19 +00:00
Nuno Lopes
8499bc5e1d regenerate 
llvm-svn: 58694
 2008-11-04 14:28:33 +00:00