Register sizes should be specified in bits

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16106 91177308-0d34-0410-b5e6-96231b3b80d8

Improvements to int->float cast code for PPC-64

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16105 91177308-0d34-0410-b5e6-96231b3b80d8

Must link against new LLVMsystem library

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16104 91177308-0d34-0410-b5e6-96231b3b80d8

RemoveFileOnSignal is now in sys:: namespace

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16103 91177308-0d34-0410-b5e6-96231b3b80d8

Put this change back in after testing from Reid proved its innocence.  getSpillSize now returns value in bits

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16102 91177308-0d34-0410-b5e6-96231b3b80d8

Update doxygen comment now that getSpillSize is supposed to return value in bits

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16101 91177308-0d34-0410-b5e6-96231b3b80d8

Add a declaration of environ global for Darwin

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16100 91177308-0d34-0410-b5e6-96231b3b80d8

Add a missing header file

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16099 91177308-0d34-0410-b5e6-96231b3b80d8

Add an assert to cature null Operands. It is better to catch it here than
to SIGSEGV in the bowels of isa<...> later.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16098 91177308-0d34-0410-b5e6-96231b3b80d8

Signals support has been moved to lib/System

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16097 91177308-0d34-0410-b5e6-96231b3b80d8

Updated to create a link needed for correct lib/System compilation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16096 91177308-0d34-0410-b5e6-96231b3b80d8

Add lib/System ahead of lib/Support in case there are operating system
issues.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16095 91177308-0d34-0410-b5e6-96231b3b80d8

Link with LLVMsystem.a for operating system independence.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16094 91177308-0d34-0410-b5e6-96231b3b80d8

RemoveFileOnErrorSignal is now in the llvm::sys namespace. Adjust
accordingly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16093 91177308-0d34-0410-b5e6-96231b3b80d8

Add the LLVMsystem.a library as it is now used for operating system
independence of the tool.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16092 91177308-0d34-0410-b5e6-96231b3b80d8

The functions in Signal.h are now in the llvm::sys namespace - adjust

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16091 91177308-0d34-0410-b5e6-96231b3b80d8

add llvmc

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16090 91177308-0d34-0410-b5e6-96231b3b80d8

Convert llvmc to use the lib/System interface instead of directly
using Unix operating system calls.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16089 91177308-0d34-0410-b5e6-96231b3b80d8

Move a warning comment to where it should have been in the first place.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16088 91177308-0d34-0410-b5e6-96231b3b80d8

Correct the vim: specification

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16087 91177308-0d34-0410-b5e6-96231b3b80d8

Include some additional header files.
Fix the banner length.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16086 91177308-0d34-0410-b5e6-96231b3b80d8

Initial platform independent implementation of operating system concept
of "Signals" (cleanup after fatal errors).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16085 91177308-0d34-0410-b5e6-96231b3b80d8

Initial commit of an platform-indepdendent implementation for the
"Program" operating system concept (find and execute programs).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16084 91177308-0d34-0410-b5e6-96231b3b80d8

Put the lib/System interface functions in llvm::sys namespace.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16083 91177308-0d34-0410-b5e6-96231b3b80d8

Create a link from $BUILD_OBJ_ROOT/lib/System/platform to
$BUILD_SRC_ROOT/lib/System/$build which gives us the ability to
configure the lib/System for the current type of operating system.
Also cleaned up some indentation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16082 91177308-0d34-0410-b5e6-96231b3b80d8

Implement the following missing functionality in the PPC backend:
cast fp->bool
cast ulong->fp
algebraic right shift long by non-constant value
These changes tested across most of the test suite.  Fixes Regression/casts

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16081 91177308-0d34-0410-b5e6-96231b3b80d8

Initial commit of the platform agnostic interface to finding and executing
programs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16080 91177308-0d34-0410-b5e6-96231b3b80d8

Add a function to remove whole directorys on fatal signal.
Doxygenify function comments.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16079 91177308-0d34-0410-b5e6-96231b3b80d8

Revise the design of the Path concept per peer review. Too many changes to
note individually but these essence of it is to not derive from
std::string, clarify the interface, and provide better documentation.
There is now also (untested) implementations for AIX, Darwin, and SunOS.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16078 91177308-0d34-0410-b5e6-96231b3b80d8

Remove dead code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16077 91177308-0d34-0410-b5e6-96231b3b80d8

Now that LiveIntervals::addIntervalsForSpills is fixed, do not require
LiveVariables.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16076 91177308-0d34-0410-b5e6-96231b3b80d8

Only update LiveVariables if it is available. addIntervalsForSpills
runs after the initial run of the live interval analysis.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16075 91177308-0d34-0410-b5e6-96231b3b80d8

Back out this change as it broke the build last night. This should be
investicated further as the linearscan variants don't really need
LiveVariables...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16074 91177308-0d34-0410-b5e6-96231b3b80d8

Back out change to divide getSpillSize by 8 until I figure out why it breaks x86, which has register sizes in bits.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16073 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a typo in the bytecode format documentation

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16072 91177308-0d34-0410-b5e6-96231b3b80d8

The linear scan variants do not require the LiveVariables analysis.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16071 91177308-0d34-0410-b5e6-96231b3b80d8

Register sizes are in bits, not bytes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16070 91177308-0d34-0410-b5e6-96231b3b80d8

Add getLastBlock member. This is useful when growing a densemap keyed
on MachineBasicBlocks.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16069 91177308-0d34-0410-b5e6-96231b3b80d8

Add MachineBasicBlock2IndexFunctor. This is useful for densemaps from
MachineBasicBlocks to an arbitrary type.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16068 91177308-0d34-0410-b5e6-96231b3b80d8

Add size member function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16067 91177308-0d34-0410-b5e6-96231b3b80d8

Add more content.

This isn't in reviewable shape yet, unless you're curious.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16066 91177308-0d34-0410-b5e6-96231b3b80d8

Bug 430 Fixed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16065 91177308-0d34-0410-b5e6-96231b3b80d8

Correctly compute the number of compaction tables.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16064 91177308-0d34-0410-b5e6-96231b3b80d8

Prevent an empty compaction table from being written to the bytecode file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16063 91177308-0d34-0410-b5e6-96231b3b80d8

Add the CompactionTableIsEmpty function so that we can determine if a
CompactionTable really needs to be emitted. This is not a straight forward
computation, hence the need for a member function here.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16062 91177308-0d34-0410-b5e6-96231b3b80d8

Use newly added API in MRegisterInfo and don't expose the allocatable
register set anymore. Its users now use the MRegisterInfo API.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16061 91177308-0d34-0410-b5e6-96231b3b80d8

Use newly added API in MRegisterInfo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16060 91177308-0d34-0410-b5e6-96231b3b80d8

Add getAllocatableSet() function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16059 91177308-0d34-0410-b5e6-96231b3b80d8

Provide some meta tags for this document.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16058 91177308-0d34-0410-b5e6-96231b3b80d8

Add the default table related styles

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16057 91177308-0d34-0410-b5e6-96231b3b80d8

Document the rational for the #include hierarchy.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16056 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a typo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16055 91177308-0d34-0410-b5e6-96231b3b80d8

First cut at a README for lib/System explaining the #inclusion rules and
design criteria.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16054 91177308-0d34-0410-b5e6-96231b3b80d8

Add a README explaining the intended content of this directory.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16053 91177308-0d34-0410-b5e6-96231b3b80d8

Add default index functor (an identity functor). You could use a
vector directly to get the same functionality but using a DenseMap
makes the code more readable IMO.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16052 91177308-0d34-0410-b5e6-96231b3b80d8

Previous checkin broke printf(%a) support for fp constants-- re-fix it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16051 91177308-0d34-0410-b5e6-96231b3b80d8

New version of Bill Wendling's PR33 patch.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16050 91177308-0d34-0410-b5e6-96231b3b80d8

Fix documentation.
Make the library name LLVMsystem instead of just system so as to not
to be confused with other "system" libraries.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16049 91177308-0d34-0410-b5e6-96231b3b80d8

Initial implementation of the Path operating system concept.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16048 91177308-0d34-0410-b5e6-96231b3b80d8

License for this library.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16047 91177308-0d34-0410-b5e6-96231b3b80d8

Update to include tools/llvmc and lib/System as having additional copyright
licenses.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16046 91177308-0d34-0410-b5e6-96231b3b80d8

License file for llvmc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16045 91177308-0d34-0410-b5e6-96231b3b80d8

Document definitions and computations provided by llvm-bcanalyzer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16044 91177308-0d34-0410-b5e6-96231b3b80d8

Insert declarations for two new functions that support the dependent
libraries feature.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16043 91177308-0d34-0410-b5e6-96231b3b80d8

Run the compilation actions before we attempt linking work.
Correctly implement the dependent libraries feature so that linked bytecode
files automatically include any dependent libraries they specify.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16042 91177308-0d34-0410-b5e6-96231b3b80d8

Add the directory specified by LLVM_LIB_SEARCH_PATH to the list of
directories to be searched during linking.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16041 91177308-0d34-0410-b5e6-96231b3b80d8

Add dependent library support for Stacker. It now inserts "stkr_runtime" as
a dependent library.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16040 91177308-0d34-0410-b5e6-96231b3b80d8

Add a function that gets just the dependent libraries from a bytecode file.
Doxygenify comments.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16039 91177308-0d34-0410-b5e6-96231b3b80d8

Provide a method for wholesale extraction of the dependent libraries.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16038 91177308-0d34-0410-b5e6-96231b3b80d8

Add a wrapper for extraction of the dependent libraries from a bytecode
file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16037 91177308-0d34-0410-b5e6-96231b3b80d8

Rearrange output a little to make it nicer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16036 91177308-0d34-0410-b5e6-96231b3b80d8

Add some details

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16035 91177308-0d34-0410-b5e6-96231b3b80d8

Added BURS.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16034 91177308-0d34-0410-b5e6-96231b3b80d8

Get rid of error messages from CommandLine because -time-passes was
defined twice. We make use of the new TimePassesIsEnabled global boolean
value from Pass.h to access the value.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16033 91177308-0d34-0410-b5e6-96231b3b80d8

Give the -time-passes tool option a global storage location so that its
value can be discovered by the various LLVM tools.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16032 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a bug in a previous checkin of mine, correcting
 Regression.CodeGen.Generic.2004-04-09-SameValueCoalescing.llx and the
code size problem.

This bug prevented us from doing most register coallesces.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16031 91177308-0d34-0410-b5e6-96231b3b80d8

Add the examples directory to these scripts.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16030 91177308-0d34-0410-b5e6-96231b3b80d8

Modify testcase to merit a warning, though no warning is still printed!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16029 91177308-0d34-0410-b5e6-96231b3b80d8

Include the "examples" directory as optional.
Update configure script to configure the examples/Makefile

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16028 91177308-0d34-0410-b5e6-96231b3b80d8

Ensure that the examples get built.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16027 91177308-0d34-0410-b5e6-96231b3b80d8

Adjustments for changes in the configuration language.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16026 91177308-0d34-0410-b5e6-96231b3b80d8

- Unify format of output messages
- All errors throw std::string
- Default output file name to a.out (if we're linking)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16025 91177308-0d34-0410-b5e6-96231b3b80d8

Link with bcreader and vmcore.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16024 91177308-0d34-0410-b5e6-96231b3b80d8

- Implement the %args% substitution
- Implement parsing of the .output={bytecode|assembly} item.
- Drop parsing support for translator.optimizes, translator.groks_dash_O,
  optimizer.groks_dash_O, translator.output_is_asm, optimizer.output_is_asm
- Add parsing support for translator.output and optimizer.output
- Add optimizer.required parsing support
- Add linker.libs and linker.libpaths parsing support
- Fix error messages to list correct set of tokens expected.
- Rename FileReadable -> FileIsReadable (changed in CompilerDriver.cpp)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16023 91177308-0d34-0410-b5e6-96231b3b80d8

- Alphabetize the list of token enumerators.
- Drop old tokens, insert new tokens

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16022 91177308-0d34-0410-b5e6-96231b3b80d8

- Rename and rearrange for clarity
- Drop name tokens not used any more (GROKS_DASH_O)
- Rename OUTPUT_IS_ASM as OUTPUT and allow "bytecode" and "assembly" as
  values of it.
- Simplify handleContext (now handleNameContext) arguments and ensure that
  it returns OPTION tokens exactly as scanned.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16021 91177308-0d34-0410-b5e6-96231b3b80d8

- Remove unused GetSuffix function
- Renamed FileReadable -> FileIsReadable
- Remove support for GROKS_DASH_O; deferr it to %opts% substitution
- Require a -o option except in case of linking where it defaults to a.out
- Fix problem processing *.o and *.bc files.
- Ignore optimization phase if -emit-raw-code
- Correct the assembly generation phase to support -emit-native-code
- Implement dependent library lookup

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16020 91177308-0d34-0410-b5e6-96231b3b80d8

Remove unneeded flags.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16019 91177308-0d34-0410-b5e6-96231b3b80d8

Add -sse[,2,3] arguments to LLC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16018 91177308-0d34-0410-b5e6-96231b3b80d8

Nuke commented out stuff

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16017 91177308-0d34-0410-b5e6-96231b3b80d8

bug fixed

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16016 91177308-0d34-0410-b5e6-96231b3b80d8

note pr#

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16015 91177308-0d34-0410-b5e6-96231b3b80d8

This code is dodgy, but the guaranteed assertion failure doesn't help anything.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16014 91177308-0d34-0410-b5e6-96231b3b80d8

Fix bug in PhyRegAlloc::setCallInterferences() handling call through a
null pointer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16013 91177308-0d34-0410-b5e6-96231b3b80d8

Revise head-of-file comment.
Eliminate some excess whitespace.
Fix bug in CallArgsDescriptor::get() handling call through a null pointer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16012 91177308-0d34-0410-b5e6-96231b3b80d8

Actually get the URL to my notes page correct.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16011 91177308-0d34-0410-b5e6-96231b3b80d8

Correct my home page. Shorten my entry. Reference home page in description.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16010 91177308-0d34-0410-b5e6-96231b3b80d8

Change LVN -> Load-VN since that's the name of the cmdline switch

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16009 91177308-0d34-0410-b5e6-96231b3b80d8

Fix some grammar.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16008 91177308-0d34-0410-b5e6-96231b3b80d8

Added DSE, LICM, LVN, PRE, SCCP, and SSA

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16007 91177308-0d34-0410-b5e6-96231b3b80d8