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Author SHA1 Message Date
Cedric Venet
4036419ff8 Add loopVR files. 
Users of VS need to manually force rebuild the X86 projet to use the last version of tablegen.

llvm-svn: 52894
 2008-06-30 10:31:41 +00:00
Duncan Sands
c882a4eba9 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).

llvm-svn: 52893
 2008-06-30 10:19:09 +00:00
Evan Cheng
421919a049 Eliminate TargetRegisterDesc::ImmSubRegs. It's no longer in use. 
llvm-svn: 52892
 2008-06-30 07:32:56 +00:00
Evan Cheng
2005804de6 - 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.

llvm-svn: 52891
 2008-06-30 07:31:25 +00:00
Chris Lattner
6a22216d7a 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.

llvm-svn: 52888
 2008-06-30 03:02:03 +00:00
Chris Lattner
95fecdd63a Implement split and scalarize for SELECT_CC, fixing PR2504 
llvm-svn: 52887
 2008-06-30 02:43:01 +00:00
Nick Lewycky
23476fb496 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.

llvm-svn: 52886
 2008-06-30 01:04:39 +00:00
Nick Lewycky
d63159dcd4 Add a value range analysis that lazily computes ranges using ScalarEvolutions. 
llvm-svn: 52885
 2008-06-30 00:04:21 +00:00
Anton Korobeynikov
6f260767ec 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.

llvm-svn: 52884
 2008-06-29 17:57:03 +00:00
Anton Korobeynikov
9e8c154272 Start refactoring of asmprinters: provide a TAI hook, which will select a 'section kind' for a global. 
llvm-svn: 52868
 2008-06-28 13:45:57 +00:00
Anton Korobeynikov
0b708e559e Unbreak 
llvm-svn: 52866
 2008-06-28 11:10:06 +00:00
Anton Korobeynikov
8562255056 Temporary rever invalid commit 
llvm-svn: 52865
 2008-06-28 11:09:48 +00:00
Anton Korobeynikov
ea88d91267 Move printing of module-level GVs into dedicated helper 
llvm-svn: 52864
 2008-06-28 11:09:32 +00:00
Anton Korobeynikov
77c3528f69 Use common naming convention 
llvm-svn: 52863
 2008-06-28 11:09:17 +00:00
Anton Korobeynikov
2331efee7e Factor out stuff into helper function 
llvm-svn: 52862
 2008-06-28 11:09:01 +00:00
Anton Korobeynikov
908c1fab55 Cleanup 
llvm-svn: 52861
 2008-06-28 11:08:44 +00:00
Anton Korobeynikov
adec555f96 Remove X86SharedAsmPrinter 
llvm-svn: 52860
 2008-06-28 11:08:27 +00:00
Anton Korobeynikov
dcc6a8314a whitespace cleanup 
llvm-svn: 52859
 2008-06-28 11:08:09 +00:00
Anton Korobeynikov
03a62267fe Make intel asmprinter child of generic asmprinter, not x86 shared asm printer. This leads to some code duplication, which will be resolved later. 
llvm-svn: 52858
 2008-06-28 11:07:54 +00:00
Anton Korobeynikov
b75aeb6b1a Cleanup 
llvm-svn: 52857
 2008-06-28 11:07:35 +00:00
Anton Korobeynikov
f4017f7d50 Whitespace cleanup 
llvm-svn: 52856
 2008-06-28 11:07:18 +00:00
Chris Lattner
2deb9ae6ad Really fix the bootstrap failure. 
llvm-svn: 52854
 2008-06-28 06:24:50 +00:00
Chris Lattner
090d81df5e Add back the capability to include nul characters in strings with 
GetConstantStringInfo.  This will hopefully restore llvm-gcc to 
happy bootstrap land.

llvm-svn: 52851
 2008-06-28 05:33:32 +00:00
Chris Lattner
98b286ff98 Tighten up checking. 
llvm-svn: 52850
 2008-06-28 04:37:04 +00:00
Dan Gohman
6b87f869e4 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.

llvm-svn: 52849
 2008-06-28 00:45:22 +00:00
Seo Sanghyeon
12944690d5 Fix GetMainExecutable. Patch by Sam Bishop. 
llvm-svn: 52847
 2008-06-27 22:55:30 +00:00
Evan Cheng
36adcb1eea Looks like this condition is inverted. 
llvm-svn: 52841
 2008-06-27 22:11:49 +00:00
Owen Anderson
6ba41f78c9 Add a NextPowerOf2 function to calculate the next power of two greater than a given integer. 
llvm-svn: 52839
 2008-06-27 21:48:21 +00:00
Chris Lattner
8e2bd43f29 implement some fixme's by making "autorenaming" in the value symbol table not 
thrash the heap with string stuff (e.g. utostr).

llvm-svn: 52838
 2008-06-27 21:26:26 +00:00
Chris Lattner
5c75711282 simplify some code to avoid string thrashing. 
llvm-svn: 52837
 2008-06-27 21:25:24 +00:00
Anton Korobeynikov
e48fe3dde8 Use StringSet instead of std::set<std::string> 
llvm-svn: 52836
 2008-06-27 21:22:49 +00:00
Chris Lattner
a943d9f402 add a helper. 
llvm-svn: 52835
 2008-06-27 21:15:25 +00:00
Chris Lattner
6b3b22747a 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!

llvm-svn: 52834
 2008-06-27 21:09:10 +00:00
Chris Lattner
f55505b7be 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!

llvm-svn: 52832
 2008-06-27 18:49:21 +00:00
Cedric Venet
3d67bd33b2 Add an include file needed for VS. 
Add two new file to codegen project (VS).
This unbreak the build for VS.

llvm-svn: 52831
 2008-06-27 18:00:09 +00:00
Devang Patel
d5faa747e9 Add dominator info printer pass. 
llvm-svn: 52829
 2008-06-27 16:43:21 +00:00
Anton Korobeynikov
eb63554d81 Provide correct encoding for PPC LWARX instructions. 
Patch by Gary Benson!

llvm-svn: 52828
 2008-06-27 16:10:20 +00:00
Argyrios Kyrtzidis
d3c6fde00b Since we are using GCC to assemble the program, make sure the assembly syntax is AT&T. 
llvm-svn: 52827
 2008-06-27 15:08:59 +00:00
Duncan Sands
307bc51955 Regression test for PR2443. 
llvm-svn: 52826
 2008-06-27 14:22:20 +00:00
Duncan Sands
c4678a026a Use the c modifier to tell llvm-ar not to issue a 
warning when creating the archive (the warning
causes the test to fail).

llvm-svn: 52824
 2008-06-27 10:52:12 +00:00
Bill Wendling
39cc6881e1 Reduce number of times .size() is called on a vector. Rename some variables to 
match normal naming scheme.

llvm-svn: 52820
 2008-06-27 07:13:44 +00:00
Owen Anderson
e0604d46c2 Use a SmallSet when we can to reduce memory allocations. 
This speeds up a particular testcase from 0.0302s to 0.0222s in LiveVariables.

llvm-svn: 52819
 2008-06-27 07:05:59 +00:00
Owen Anderson
59ed35b2c2 Cache subregister relationships in a set in TargetRegisterInfo to allow faster lookups. 
This speeds up LiveVariables from 0.6279s to 0.6165s on kimwitu++.

llvm-svn: 52818
 2008-06-27 06:56:04 +00:00
Chris Lattner
c94b39d65c fix the regressions from Eric's patch by making GetConstantStringInfo 
tolerate a non-nul-terminated string, and handling a direct global 
reference.

llvm-svn: 52813
 2008-06-27 03:36:51 +00:00
Chris Lattner
635da8cff5 simplify this check, GetConstantStringInfo validates that a 
global is constant already.  No functionality change.

llvm-svn: 52812
 2008-06-27 03:18:41 +00:00
Chris Lattner
153b6695b8 test doesn't need eh info 
llvm-svn: 52811
 2008-06-27 03:14:20 +00:00
Chris Lattner
f40ef5f964 when linking globals, make sure to preserve the address space of the global. 
llvm-svn: 52810
 2008-06-27 03:10:24 +00:00
Bill Wendling
d19faaca94 More cruft from revert... 
llvm-svn: 52809
 2008-06-27 01:37:37 +00:00
Bill Wendling
e0ea004d40 Cruft left from patch revert...sorry. :-( 
llvm-svn: 52808
 2008-06-27 01:32:08 +00:00
Bill Wendling
e9909a1c2a Reverting broken patch r52803. 
llvm-svn: 52806
 2008-06-27 01:27:56 +00:00