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Author SHA1 Message Date
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
Cedric Venet
fe4f3d6a90 Add loopVR files. 
Users of VS need to manually force rebuild the X86 projet to use the last version of tablegen.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52894 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 10:31:41 +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
2036835346 Eliminate TargetRegisterDesc::ImmSubRegs. It's no longer in use. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52892 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 07:32:56 +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
2ca698df93 check in anton's patch to make inlining happen in a determinstic order 
and fix the bug that it uncovers: inlining a pattern fragment could bring
in other pattern fragments if the inlinee hadn't already been inlined.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52888 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 03:02:03 +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
69c8d9be02 Because of the laziness, the required passes must exist even after 
LoopVR::runOnFunction runs.

This should accomplish that, but it doesn't. I think that's a PassManager bug,
but without a consumer of LoopVR in the tree, I can't give steps to reproduce.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52886 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 01:04:39 +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
Owen Anderson
d98a45d29a Add a NextPowerOf2 function to calculate the next power of two greater than a given integer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52839 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-27 21:48:21 +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
d0ebbff8a3 add a helper. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52835 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-27 21:15:25 +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
Chris Lattner
25b825b3b8 Tweak IRBuilder to explicitly call the setName(const char*) method on Value 
instead of passing the name into the instruction ctors.  Since most 
instruction ctors take their name as an std::string, this avoids copying the
string to the heap and a malloc and free.

Patch by Pratik Solanki!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52832 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-27 18:49:21 +00:00
Cedric Venet
5e950627f9 Add an include file needed for VS. 
Add two new file to codegen project (VS).
This unbreak the build for VS.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52831 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-27 18:00:09 +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
Argyrios Kyrtzidis
ca29dffa16 Since we are using GCC to assemble the program, make sure the assembly syntax is AT&T. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52827 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-27 15:08:59 +00:00
Duncan Sands
3921266559 Regression test for PR2443. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52826 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-27 14:22:20 +00:00
Duncan Sands
accdef219f Use the c modifier to tell llvm-ar not to issue a 
warning when creating the archive (the warning
causes the test to fail).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52824 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-27 10:52:12 +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
bd2acd736d test doesn't need eh info 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52811 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-27 03:14:20 +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