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23686 Commits

Author SHA1 Message Date
Dan Gohman
99fe47bc81 Use a simpler but equivalent form of RecordSource. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52931 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 22:21:03 +00:00
Evan Cheng
f667480d84 Add timing report for various sub-passes under SelectionDAGISel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52930 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 22:10:09 +00:00
Dan Gohman
d19a53ba1d std::ostream and std::string microoptimizations for asm printing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52929 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 22:03:41 +00:00
Dan Gohman
cf8462f300 Use reserve. 
SelectionDAG::allnodes_size is linear, but that doesn't appear to
outweigh the benefit of reducing heap traffic. If it does become a
problem, we should teach SelectionDAG to keep a count of how many
nodes are live, because there are several other places where that
information would be useful as well.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52926 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 21:04:06 +00:00
Dan Gohman
87060f55f2 Update comments to new-style syntax. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52925 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 21:00:56 +00:00
Dan Gohman
7f460203b0 Rename ISD::LOCATION to ISD::DBG_STOPPOINT to better reflect its 
purpose, and give it a custom SDNode subclass so that it doesn't
need to have line number, column number, filename string, and
directory string, all existing as individual SDNodes to be the
operands.

This was the only user of ISD::STRING, StringSDNode, etc., so
remove those and some associated code.

This makes stop-points considerably easier to read in
-view-legalize-dags output, and reduces overhead (creating new
nodes and copying std::strings into them) on code containing
debugging information.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52924 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 20:59:49 +00:00
Evan Cheng
db8d56b825 Split scheduling from instruction selection. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52923 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 20:45:06 +00:00
Dale Johannesen
edec8d89df No need to align the stack if there are no stack 
objects.  Fixes a couple of tests on Linux.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52921 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 20:40:16 +00:00
Evan Cheng
fdb99838a3 Remove unneeded include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52920 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 20:38:22 +00:00
Dan Gohman
a44b674a42 Replace some std::vectors that showed up in heap profiling with 
SmallVectors. Change the signature of TargetLowering::LowerArguments
to avoid returning a vector by value, and update the two targets
which still use this directly, Sparc and IA64, accordingly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52917 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 20:31:15 +00:00
Dan Gohman
117b64b3f8 Correct the allocation size for CCState's UsedRegs member, which 
only needs one bit for each register. UsedRegs is a SmallVector
sized at 16, so this eliminates a heap allocation/free for every
call and return processed by Legalize on most targets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52915 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 20:25:31 +00:00
Devang Patel
687e03b2fa Move dominator info printer into tool/opt/GraphPrinters.cpp 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52907 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 17:32:58 +00:00
Duncan Sands
6f7e1cddf6 ExpungeNode is only needed for new nodes! This 
fixes CodeGen/PowerPC/2008-06-19-LegalizerCrash.ll
when using the new LegalizeTypes infrastructure.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52903 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 16:43:45 +00:00
Duncan Sands
d3ca9fc998 Support for VAARG. As noted in a comment, this is 
wrong for types like x86 long double and i1, but
no worse than what is done in LegalizeDAG.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52898 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 13:55:15 +00:00
Duncan Sands
7fc8ab81f5 Support for promoting select_cc operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52895 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 11:50:11 +00:00
Duncan Sands
f9516208e5 Revert the SelectionDAG optimization that makes 
it impossible to create a MERGE_VALUES node with
only one result: sometimes it is useful to be able
to create a node with only one result out of one of
the results of a node with more than one result, for
example because the new node will eventually be used
to replace a one-result node using ReplaceAllUsesWith,
cf X86TargetLowering::ExpandFP_TO_SINT.  On the other
hand, most users of MERGE_VALUES don't need this and
for them the optimization was valuable.  So add a new
utility method getMergeValues for creating MERGE_VALUES
nodes which by default performs the optimization.
Change almost everywhere to use getMergeValues (and
tidy some stuff up at the same time).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52893 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 10:19:09 +00:00
Evan Cheng
0ff39b3feb - Re-apply 52748 and friends with fix. GetConstantStringInfo() returns an empty string for ConstantAggregateZero case which surprises selectiondag. 
- Correctly handle memcpy from constant string which is zero-initialized.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52891 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 07:31:25 +00:00
Chris Lattner
80c1a5622a Implement split and scalarize for SELECT_CC, fixing PR2504 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52887 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 02:43:01 +00:00
Nick Lewycky
a11e2eb845 Add a value range analysis that lazily computes ranges using ScalarEvolutions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52885 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 00:04:21 +00:00
Anton Korobeynikov
6d116bc7ce Revert (52748 and friends): 
Move GetConstantStringInfo to lib/Analysis. Remove
string output routine from Constant. Update all
callers. Change debug intrinsic api slightly to
accomodate move of routine, these now return values
instead of strings.

This unbreaks llvm-gcc bootstrap.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52884 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-29 17:57:03 +00:00
Anton Korobeynikov
28a2b54580 Start refactoring of asmprinters: provide a TAI hook, which will select a 'section kind' for a global. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52868 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-28 13:45:57 +00:00
Anton Korobeynikov
4d580651b3 Unbreak 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52866 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-28 11:10:06 +00:00
Anton Korobeynikov
f0302cd1ae Temporary rever invalid commit 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52865 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-28 11:09:48 +00:00
Anton Korobeynikov
e51ab444f4 Move printing of module-level GVs into dedicated helper 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52864 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-28 11:09:32 +00:00
Anton Korobeynikov
31f98154a7 Use common naming convention 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52863 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-28 11:09:17 +00:00
Anton Korobeynikov
1ecf0eedc4 Factor out stuff into helper function 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52862 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-28 11:09:01 +00:00
Anton Korobeynikov
36a5701ad7 Cleanup 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52861 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-28 11:08:44 +00:00
Anton Korobeynikov
75b6882d3c Remove X86SharedAsmPrinter 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52860 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-28 11:08:27 +00:00
Anton Korobeynikov
9136438b08 whitespace cleanup 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52859 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-28 11:08:09 +00:00
Anton Korobeynikov
1c4b5eaa46 Make intel asmprinter child of generic asmprinter, not x86 shared asm printer. This leads to some code duplication, which will be resolved later. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52858 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-28 11:07:54 +00:00
Anton Korobeynikov
271329af24 Cleanup 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52857 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-28 11:07:35 +00:00
Anton Korobeynikov
b131b44443 Whitespace cleanup 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52856 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-28 11:07:18 +00:00
Chris Lattner
03a5707955 Really fix the bootstrap failure. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52854 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-28 06:24:50 +00:00
Chris Lattner
b746b82113 Add back the capability to include nul characters in strings with 
GetConstantStringInfo.  This will hopefully restore llvm-gcc to 
happy bootstrap land.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52851 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-28 05:33:32 +00:00
Chris Lattner
3284d42c17 Tighten up checking. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52850 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-28 04:37:04 +00:00
Dan Gohman
77455617fb When folding a bitcast into a load or store, preserve the alignment 
information of the original load or store, which is checked to be
at least as good, and possibly better.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52849 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-28 00:45:22 +00:00
Seo Sanghyeon
fd6437f4f9 Fix GetMainExecutable. Patch by Sam Bishop. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52847 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-27 22:55:30 +00:00
Evan Cheng
01b2e236b5 Looks like this condition is inverted. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52841 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-27 22:11:49 +00:00
Chris Lattner
97388469b1 implement some fixme's by making "autorenaming" in the value symbol table not 
thrash the heap with string stuff (e.g. utostr).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52838 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-27 21:26:26 +00:00
Chris Lattner
48cd712d4c simplify some code to avoid string thrashing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52837 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-27 21:25:24 +00:00
Anton Korobeynikov
8573986f30 Use StringSet instead of std::set<std::string> 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52836 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-27 21:22:49 +00:00
Chris Lattner
bb0e248718 Add a new version of Module::getFunction that takes a const char* instead 
of a std::string.  This avoids copying the string to the heap in common
cases.  Patch by Pratik Solanki!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52834 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-27 21:09:10 +00:00
Devang Patel
42af887105 Add dominator info printer pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52829 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-27 16:43:21 +00:00
Anton Korobeynikov
b2931f29f3 Provide correct encoding for PPC LWARX instructions. 
Patch by Gary Benson!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52828 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-27 16:10:20 +00:00
Bill Wendling
f0e9c56540 Reduce number of times .size() is called on a vector. Rename some variables to 
match normal naming scheme.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52820 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-27 07:13:44 +00:00
Owen Anderson
bffdf66b80 Use a SmallSet when we can to reduce memory allocations. 
This speeds up a particular testcase from 0.0302s to 0.0222s in LiveVariables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52819 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-27 07:05:59 +00:00
Owen Anderson
1360b7d8f8 Cache subregister relationships in a set in TargetRegisterInfo to allow faster lookups. 
This speeds up LiveVariables from 0.6279s to 0.6165s on kimwitu++.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52818 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-27 06:56:04 +00:00
Chris Lattner
3648f9f0ae fix the regressions from Eric's patch by making GetConstantStringInfo 
tolerate a non-nul-terminated string, and handling a direct global 
reference.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52813 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-27 03:36:51 +00:00
Chris Lattner
07c68f9b6f simplify this check, GetConstantStringInfo validates that a 
global is constant already.  No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52812 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-27 03:18:41 +00:00
Chris Lattner
a534b0f7bf when linking globals, make sure to preserve the address space of the global. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52810 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-27 03:10:24 +00:00