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Commit Graph

376 Commits

Author SHA1 Message Date
Chandler Carruth
970e41ab77 Manually update the dependencies in the Makefiles. It turns out that all
that work on the LLVMBuild based dependency specification didn't
actually work, we just now maintain dependencies in *3* places instead
of 2. Yay.

There may still be some missing dependencies, I'm still sifting through
the bots and my builds, but this is a step in the right direction.

llvm-svn: 177988
2013-03-26 03:45:47 +00:00
Chandler Carruth
5bf5043e5b Split out the IRReader header and the utility functions it provides into
its own library. These functions are bridging between the bitcode reader
and the ll parser which are in different libraries. Previously we didn't
have any good library to do this, and instead played fast and loose with
a "header only" set of interfaces in the Support library. This really
doesn't work well as evidenced by the recent attempt to add timing logic
to the these routines.

As part of this, make them normal functions rather than weird inline
functions, and sink the implementation into the library. Also clean up
the header to be nice and minimal.

This requires updating lots of build system dependencies to specify that
the IRReader library is needed, and several source files to not
implicitly rely upon the header file to transitively include all manner
of other headers.

If you are using IRReader.h, this commit will break you (the header
moved) and you'll need to also update your library usage to include
'irreader'. I will commit the corresponding change to Clang momentarily.

llvm-svn: 177971
2013-03-26 02:25:37 +00:00
Michael Gottesman
3d8ed99b1f Extracted ObjCARC.cpp into its own library libLLVMObjCARCOpts in preparation for refactoring the ARC Optimizer.
llvm-svn: 173647
2013-01-28 01:35:51 +00:00
Chandler Carruth
7c0d682f47 Sort all of the includes. Several files got checked in with mis-sorted
includes.

llvm-svn: 172891
2013-01-19 08:03:47 +00:00
Andrew Trick
6c45ac6ed1 Added -view-callgraph module pass.
-dot-callgraph similarly follows a standard module pass pattern.

Patch by Speziale Ettore!

llvm-svn: 172220
2013-01-11 17:28:14 +00:00
Jakub Staszak
31e75c8016 Fix #includes after my last commit.
llvm-svn: 172114
2013-01-10 21:56:40 +00:00
Chandler Carruth
4c4c8c33e1 Move CallGraphSCCPass.h into the Analysis tree; that's where the
implementation lives already.

llvm-svn: 171746
2013-01-07 15:26:48 +00:00
Chandler Carruth
30bd563e01 Switch TargetTransformInfo from an immutable analysis pass that requires
a TargetMachine to construct (and thus isn't always available), to an
analysis group that supports layered implementations much like
AliasAnalysis does. This is a pretty massive change, with a few parts
that I was unable to easily separate (sorry), so I'll walk through it.

The first step of this conversion was to make TargetTransformInfo an
analysis group, and to sink the nonce implementations in
ScalarTargetTransformInfo and VectorTargetTranformInfo into
a NoTargetTransformInfo pass. This allows other passes to add a hard
requirement on TTI, and assume they will always get at least on
implementation.

The TargetTransformInfo analysis group leverages the delegation chaining
trick that AliasAnalysis uses, where the base class for the analysis
group delegates to the previous analysis *pass*, allowing all but tho
NoFoo analysis passes to only implement the parts of the interfaces they
support. It also introduces a new trick where each pass in the group
retains a pointer to the top-most pass that has been initialized. This
allows passes to implement one API in terms of another API and benefit
when some other pass above them in the stack has more precise results
for the second API.

The second step of this conversion is to create a pass that implements
the TargetTransformInfo analysis using the target-independent
abstractions in the code generator. This replaces the
ScalarTargetTransformImpl and VectorTargetTransformImpl classes in
lib/Target with a single pass in lib/CodeGen called
BasicTargetTransformInfo. This class actually provides most of the TTI
functionality, basing it upon the TargetLowering abstraction and other
information in the target independent code generator.

The third step of the conversion adds support to all TargetMachines to
register custom analysis passes. This allows building those passes with
access to TargetLowering or other target-specific classes, and it also
allows each target to customize the set of analysis passes desired in
the pass manager. The baseline LLVMTargetMachine implements this
interface to add the BasicTTI pass to the pass manager, and all of the
tools that want to support target-aware TTI passes call this routine on
whatever target machine they end up with to add the appropriate passes.

The fourth step of the conversion created target-specific TTI analysis
passes for the X86 and ARM backends. These passes contain the custom
logic that was previously in their extensions of the
ScalarTargetTransformInfo and VectorTargetTransformInfo interfaces.
I separated them into their own file, as now all of the interface bits
are private and they just expose a function to create the pass itself.
Then I extended these target machines to set up a custom set of analysis
passes, first adding BasicTTI as a fallback, and then adding their
customized TTI implementations.

The fourth step required logic that was shared between the target
independent layer and the specific targets to move to a different
interface, as they no longer derive from each other. As a consequence,
a helper functions were added to TargetLowering representing the common
logic needed both in the target implementation and the codegen
implementation of the TTI pass. While technically this is the only
change that could have been committed separately, it would have been
a nightmare to extract.

The final step of the conversion was just to delete all the old
boilerplate. This got rid of the ScalarTargetTransformInfo and
VectorTargetTransformInfo classes, all of the support in all of the
targets for producing instances of them, and all of the support in the
tools for manually constructing a pass based around them.

Now that TTI is a relatively normal analysis group, two things become
straightforward. First, we can sink it into lib/Analysis which is a more
natural layer for it to live. Second, clients of this interface can
depend on it *always* being available which will simplify their code and
behavior. These (and other) simplifications will follow in subsequent
commits, this one is clearly big enough.

Finally, I'm very aware that much of the comments and documentation
needs to be updated. As soon as I had this working, and plausibly well
commented, I wanted to get it committed and in front of the build bots.
I'll be doing a few passes over documentation later if it sticks.

Commits to update DragonEgg and Clang will be made presently.

llvm-svn: 171681
2013-01-07 01:37:14 +00:00
Chandler Carruth
43148d2e6e Convert the TargetTransformInfo from an immutable pass with dynamic
interfaces which could be extracted from it, and must be provided on
construction, to a chained analysis group.

The end goal here is that TTI works much like AA -- there is a baseline
"no-op" and target independent pass which is in the group, and each
target can expose a target-specific pass in the group. These passes will
naturally chain allowing each target-specific pass to delegate to the
generic pass as needed.

In particular, this will allow a much simpler interface for passes that
would like to use TTI -- they can have a hard dependency on TTI and it
will just be satisfied by the stub implementation when that is all that
is available.

This patch is a WIP however. In particular, the "stub" pass is actually
the one and only pass, and everything there is implemented by delegating
to the target-provided interfaces. As a consequence the tools still have
to explicitly construct the pass. Switching targets to provide custom
passes and sinking the stub behavior into the NoTTI pass is the next
step.

llvm-svn: 171621
2013-01-05 11:43:11 +00:00
Chandler Carruth
4c1f3c24db Move all of the header files which are involved in modelling the LLVM IR
into their new header subdirectory: include/llvm/IR. This matches the
directory structure of lib, and begins to correct a long standing point
of file layout clutter in LLVM.

There are still more header files to move here, but I wanted to handle
them in separate commits to make tracking what files make sense at each
layer easier.

The only really questionable files here are the target intrinsic
tablegen files. But that's a battle I'd rather not fight today.

I've updated both CMake and Makefile build systems (I think, and my
tests think, but I may have missed something).

I've also re-sorted the includes throughout the project. I'll be
committing updates to Clang, DragonEgg, and Polly momentarily.

llvm-svn: 171366
2013-01-02 11:36:10 +00:00
Chandler Carruth
03fda8f594 Sort a few more #include lines in tools/... unittests/... and utils/...
llvm-svn: 171363
2013-01-02 10:26:28 +00:00
Nadav Rotem
8952ef0071 Make opt grab the triple from the module and use it to initialize the target machine.
llvm-svn: 171341
2013-01-01 08:00:32 +00:00
NAKAMURA Takumi
3e21082d83 llvm/tools: Add #include "llvm/TargetTransformInfo.h"
llvm-svn: 169817
2012-12-11 05:53:37 +00:00
Chandler Carruth
800daa7d3d Sort the #include lines for tools/...
Again, tools are trickier to pick the main module header for than
library source files. I've started to follow the pattern of using
LLVMContext.h when it is included as a stub for program source files.

llvm-svn: 169252
2012-12-04 10:44:52 +00:00
Pedro Artigas
a84c753671 One more step towards making doInitialization and doFinalization useful for
start up and clean up module passes, now that ASAN and TSAN are fixed the
tests pass

llvm-svn: 168905
2012-11-29 17:47:05 +00:00
Owen Anderson
ef8881a314 Revert r168635 "Step towards implementation of pass manager with doInitialization and doFinalization per module detangled from runOn?? calls, still has temporary code not to break ASAN to be removed when that pass conforms to the proposed model".
It appears to have broken at least one buildbot.

llvm-svn: 168654
2012-11-27 00:53:24 +00:00
Owen Anderson
4f32762479 Step towards implementation of pass manager with doInitialization and doFinalization per module detangled from runOn?? calls, still has temporary code not to break ASAN to be removed when that pass conforms to the proposed model
Patch by Pedro Artigas, with feedback from by Chandler Carruth.

llvm-svn: 168635
2012-11-26 23:54:47 +00:00
Owen Anderson
c7fb54baff Add doInitialization and doFinalization methods to ModulePass's, to allow them to be re-initialized and reused on multiple Module's.
Patch by Pedro Artigas.

llvm-svn: 168008
2012-11-15 00:14:15 +00:00
Nadav Rotem
02f4e63bef Opt does not need to initialize the Asm printer/parser
llvm-svn: 166602
2012-10-24 17:55:53 +00:00
Nadav Rotem
9a7ae2437a Opt needs to initialize the different targets.
llvm-svn: 166595
2012-10-24 17:23:50 +00:00
Nadav Rotem
3cce3abf28 Reapply the TargerTransformInfo changes, minus the changes to LSR and Lowerinvoke.
llvm-svn: 166248
2012-10-18 23:22:48 +00:00
Bob Wilson
b6adb70bdd Temporarily revert the TargetTransform changes.
The TargetTransform changes are breaking LTO bootstraps of clang.  I am
working with Nadav to figure out the problem, but I am reverting it for now
to get our buildbots working.

This reverts svn commits: 165665 165669 165670 165786 165787 165997
and I have also reverted clang svn 165741

llvm-svn: 166168
2012-10-18 05:43:52 +00:00
Nadav Rotem
b82a3821f7 Add a new interface to allow IR-level passes to access codegen-specific information.
llvm-svn: 165665
2012-10-10 22:04:55 +00:00
Micah Villmow
fe3338a7eb Move TargetData to DataLayout.
llvm-svn: 165403
2012-10-08 16:39:34 +00:00
Logan Chien
817a6787d8 Code cleanup: tools/opt/opt.cpp
Remove unused local variable.

llvm-svn: 163061
2012-09-01 14:43:30 +00:00
Bill Wendling
e8949ecfa6 Move lib/Analysis/DebugInfo.cpp to lib/VMCore/DebugInfo.cpp and
include/llvm/Analysis/DebugInfo.h to include/llvm/DebugInfo.h.

The reasoning is because the DebugInfo module is simply an interface to the
debug info MDNodes and has nothing to do with analysis.

llvm-svn: 159312
2012-06-28 00:05:13 +00:00
Chandler Carruth
6bc19df503 Teach the 'opt' tool about '-Os' and '-Oz', corresponding to the Clang
options, to enable easier testing of the innards of LLVM that are
enabled by such optimization strategies.

Note that this doesn't provide the (much needed) function attribute
support for -Oz (as opposed to -Os), but still seems like a positive
step to better test the logic that Clang currently relies on.

Patch by Patrik Hägglund.

llvm-svn: 156913
2012-05-16 08:32:49 +00:00
Joe Groff
b514a28573 allow opt to take a -mtriple option
llvm-svn: 154959
2012-04-17 23:05:48 +00:00
Hal Finkel
8cf5de5774 Add a basic-block autovectorization pass.
This is the initial checkin of the basic-block autovectorization pass along with some supporting vectorization infrastructure.
Special thanks to everyone who helped review this code over the last several months (especially Tobias Grosser).

llvm-svn: 149468
2012-02-01 03:51:43 +00:00
Daniel Dunbar
30d6a45140 LLVMBuild: Remove trailing newline, which irked me.
llvm-svn: 146409
2011-12-12 19:48:00 +00:00
Duncan Sands
b5e4020ddb When doing "opt -O2" verify the bitcode like is done for
"opt -std-compile-opts".

llvm-svn: 146036
2011-12-07 17:14:20 +00:00
Benjamin Kramer
a2f57dee6d Remove all remaining uses of Value::getNameStr().
llvm-svn: 144648
2011-11-15 16:27:03 +00:00
Daniel Dunbar
efa02a0c3d LLVMBuild: Add description files for the LLVM tools.
llvm-svn: 144417
2011-11-11 22:59:39 +00:00
Daniel Dunbar
81780d9982 build: Tidy up a bunch of tool Makefiles, and simplify where possible using the
new all-targets pseudo-component.

llvm-svn: 142401
2011-10-18 19:27:24 +00:00
Chris Lattner
321335142c Enhance llvm::SourceMgr to support diagnostic ranges, the same way clang does. Enhance
the X86 asmparser to produce ranges in the one case that was annoying me, for example:

test.s:10:15: error: invalid operand for instruction
movl 0(%rax), 0(%edx)
              ^~~~~~~

It should be straight-forward to enhance filecheck, tblgen, and/or the .ll parser to use 
ranges where appropriate if someone is interested.

llvm-svn: 142106
2011-10-16 04:47:35 +00:00
Bill Wendling
fdea9930ac Remove the LowerSetJmp pass. It wasn't used effectively by any of the targets.
This is some of my original LLVM code. *wipes tear*

llvm-svn: 136821
2011-08-03 22:18:20 +00:00
Rafael Espindola
73efcf56f6 move PassManagerBuilder.h to IPO. This is a non intuitive place to put it,
but it solves a layering violation since things in Support are not supposed to
use things in Transforms.

llvm-svn: 136726
2011-08-02 21:50:24 +00:00
Eli Friedman
2d681a2ec9 We only do always-inlining at -O1; make opt reflect that.
llvm-svn: 132693
2011-06-06 22:13:27 +00:00
Chris Lattner
84d1d4b89c initialize and finalize function passes, pointed out by Cameron.
llvm-svn: 131843
2011-05-22 06:44:19 +00:00
Chris Lattner
dd750b0404 switch opt to using PassManagerBuilder.h
llvm-svn: 131824
2011-05-22 00:21:33 +00:00
Chris Lattner
91618e9fd8 remove graphprinter support for domfrontier.
llvm-svn: 128938
2011-04-05 21:43:56 +00:00
Andrew Trick
7e2e555075 Added *hidden* flags -print-options and -print-all-options so
developers can see if their driver changed any cl::Option's. The
current implementation isn't perfect but handles most kinds of
options. This is nice to have when decomposing the stages of
compilation and moving between different drivers. It's also a good
sanity check when comparing results produced by different command line
invocations that are expected to produce the comparable results.

Note: This is not an attempt to prolong the life of cl::Option. On the
contrary, it's a placeholder for a feature that must exist when
cl::Option is replaced by a more appropriate framework. A new
framework needs: a central option registry, dynamic name lookup,
non-global containers of option values (e.g. per-module,
per-function), *and* the ability to print options values and their defaults at
any point during compilation.

llvm-svn: 128910
2011-04-05 18:54:36 +00:00
Andrew Trick
b7629d86a7 whitespace
llvm-svn: 128905
2011-04-05 18:41:31 +00:00
Devang Patel
05887f77ea Update BreakpointPrinter to emit original function names only.
llvm-svn: 128839
2011-04-04 19:51:17 +00:00
Chris Lattner
a0dede2c21 add a way to disable all builtins, wire it up to opt's -disable-simplifylibcalls flag.
llvm-svn: 125978
2011-02-18 22:34:03 +00:00
Chris Lattner
e86dec3eb2 Have opt set up a specific TargetLibraryInfo for modules
with a triple.

llvm-svn: 125970
2011-02-18 22:13:01 +00:00
Peter Collingbourne
77a70485d9 Make -disable-simplify-libcalls work with -std-compile-opts
llvm-svn: 125824
2011-02-18 02:59:21 +00:00
Devang Patel
23d0acc520 While printing "interesting" breakpoint locations for debug info quality test harness, focus only on entry block's terminator for now.
llvm-svn: 124610
2011-01-31 21:36:24 +00:00
Tobias Grosser
20de2f52d0 RegionPassPrinter should contain the name of the pass printed
llvm-svn: 123941
2011-01-20 21:03:20 +00:00
Chris Lattner
e396e846b4 split dom frontier handling stuff out to its own DominanceFrontier header,
so that Dominators.h is *just* domtree.  Also prune #includes a bit.

llvm-svn: 122714
2011-01-02 22:09:33 +00:00