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Author SHA1 Message Date
Dan Gohman
33a9cb4f40 Make ISel ignore dead nodes. The DAGCombiner normally eliminates 
dead nodes, but in this case its missing one. Fixing the DAGCombiner
is desirable, but it's somewhat involved.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58777 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-05 22:56:47 +00:00
Andrew Lenharth
8ad0919786 opt was not exporting the Mangler symbols 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58775 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-05 22:42:50 +00:00
Devang Patel
60886066bf Add PR number. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58765 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-05 18:41:15 +00:00
Evan Cheng
edda31c412 Restructure ARM code emitter to use instruction formats instead of addressing modes to determine how to encode instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58764 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-05 18:35:52 +00:00
Dan Gohman
28c04dab38 Use an assert to check that SelectCode isn't called on 
nodes that are already selected.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58763 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-05 18:30:52 +00:00
Dan Gohman
fbcb52afdf The HadDelete field is no longer used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58761 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-05 17:35:14 +00:00
Dan Gohman
cbb7ab259d Reintroduce a comment that was removed with the AddToISelQueue 
changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58760 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-05 17:16:24 +00:00
Dan Gohman
695ea6e57e Update some comments to reflect the new code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58759 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-05 17:13:57 +00:00
Richard Osborne
617303ac71 Test commit, add Makefile for XCore target, more to follow. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58755 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-05 09:53:58 +00:00
Duncan Sands
c45cb9f739 Fix thinko in ppcf128 expansion of truncating store. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58753 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-05 07:17:27 +00:00
Evan Cheng
b35ed9247a Add more vector move low and zero-extend patterns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58752 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-05 06:04:51 +00:00
Evan Cheng
3eb57d5439 Type of shuffle mask has changed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58751 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-05 06:04:18 +00:00
Evan Cheng
9dd93b36b8 Indentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58750 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-05 06:03:38 +00:00
Dan Gohman
8be6bbe5bf 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58748 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-05 04:14:16 +00:00
Dan Gohman
fa210d8dd1 Use getTargetConstant instead of getConstant for nodes that should not be visited 
by isel and potentially forced into registers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58747 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-05 02:06:09 +00:00
Evan Cheng
c96a8e7df1 Rename isGVLazyPtr to isGVNonLazyPtr relocation. This represents Mac OS X 
indirect gv reference. Please don't call it lazy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58746 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-05 01:50:32 +00:00
Devang Patel
c9eaef0bf2 New test case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58745 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-05 01:40:30 +00:00
Devang Patel
b7c6bf1e07 Do now allow InlineAlways pass to remove dead functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58744 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-05 01:39:16 +00:00
Devang Patel
8c3b47f623 Silence unused variable warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58743 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-05 01:37:40 +00:00
Devang Patel
d91ac615e3 Check Attribute::NoInline. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58742 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-05 01:37:05 +00:00
Bill Wendling
1508606ee8 Remove dead variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58741 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-05 00:56:35 +00:00
Bill Wendling
fa75dc647c Simplify the allocated size calculation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58740 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-05 00:54:27 +00:00
Bill Wendling
f0eaa9a233 Fix comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58739 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-05 00:46:15 +00:00
Owen Anderson
b214c6971b Use the new predicate to control when we do prealloc splitting. Fix a small bug. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58738 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-05 00:32:13 +00:00
Evan Cheng
4e20c5c30b Debugging output tweak. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58737 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-05 00:22:28 +00:00
Oscar Fuentes
436893d924 CMake: updated list of source files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58736 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-05 00:11:22 +00:00
Bill Wendling
613f77439e Some code simplification. It now doesn't generate a prologue if the epilogue 
isn't going to be generated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58734 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-05 00:00:21 +00:00
Dan Gohman
8f027c7fea Add a new pass to simplify specific half_powr function calls. This is 
a specialized pass that it not likely to be generally useful.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58732 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-04 23:41:45 +00:00
Devang Patel
f75e78900c On darwin, 32-bit x86 target is i386-apple-darwin... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58731 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-04 23:13:50 +00:00
Nuno Lopes
641397f2ef 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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58730 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-04 23:03:58 +00:00
Anton Korobeynikov
879b1ac22e Fix tests not to emit IR output 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58729 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-04 23:02:39 +00:00
Bill Wendling
4a3a851182 Small simplification of the stack guard type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58728 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-04 22:54:43 +00:00
Bill Wendling
b7c2c1246f - 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58727 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-04 22:51:24 +00:00
Owen Anderson
f1f75b1bd1 First pass at checking for the creation of a new join point when doing pre-alloc splitting. This is not turned on yet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58726 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-04 22:22:41 +00:00
Evan Cheng
3eb22e835f Actually ARM / Mac OS X does have UINTTOFP_I64_F{64|32} libcalls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58725 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-04 22:19:55 +00:00
Bill Wendling
80a320d974 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58723 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-04 21:53:09 +00:00
Gabor Greif
ba10fe04e7 fix two validation errors 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58722 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-04 21:50:59 +00:00
Gabor Greif
0a43a0e9b3 fix typos, harmonize formatting 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58721 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-04 21:48:10 +00:00
Tanya Lattner
e32d58f637 Revert 58687. This breaks mingw. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58719 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-04 21:06:11 +00:00
Dale Johannesen
c0bc547c99 Allow SROA of vectors. Removing this caused a 
huge performance regression in something we care
about.  This may not be final fix.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58718 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-04 20:54:03 +00:00
Dale Johannesen
53997b0745 80 columns 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58717 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-04 20:52:49 +00:00
Evan Cheng
c7c77297e2 Custom lower bit_convert i64 -> f64 into FMDRR. This is now happening with legalizetypes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58714 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-04 19:57:48 +00:00
Tanya Lattner
a7ec706e9d Add note about cmake. Patch by Oscar Fuentes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58712 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-04 18:40:27 +00:00
Dan Gohman
da71cf0ce9 Give tablegen's Type a destructor, to suppress spurious 
"Type has virtual functions but non-virtual destructor"
warnings.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58710 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-04 18:09:07 +00:00
Duncan Sands
20d629cb90 Fix typo. Patch by nlewycky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58709 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-04 18:05:30 +00:00
Evan Cheng
142c15e052 Debug output tweak. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58708 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-04 17:58:53 +00:00
Evan Cheng
e7fe672445 LDM_RET restores pc, do not set 's' bit which would restore CPSR from SPSR. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58707 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-04 17:57:07 +00:00
Duncan Sands
e59416efb8 Fix PR3011: LegalizeTypes support for scalarizing 
SELECT_CC.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58706 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-04 17:31:08 +00:00
Dan Gohman
9a99325141 Duncan pointed out that the Extended case in getTypeForMVT could 
be considerably simplified.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58703 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-04 16:19:44 +00:00
Dan Gohman
1f5d212ca7 Add a return statement to suppress warnings in NDEBUG builds. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58702 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-04 16:08:57 +00:00