Make _sure_ we don't go into an infinite loop if a signal happens!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6351 91177308-0d34-0410-b5e6-96231b3b80d8

Start testing SRoA

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6350 91177308-0d34-0410-b5e6-96231b3b80d8

* Actually USE the statistic that we made
* Implement SRoA for arrays

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6349 91177308-0d34-0410-b5e6-96231b3b80d8

Expose proto for SRoA pass.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6348 91177308-0d34-0410-b5e6-96231b3b80d8

Initial testcases for scalar replacement of aggregates pass

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6347 91177308-0d34-0410-b5e6-96231b3b80d8

Implementation of the simple "scalar replacement of aggregates" transformation

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6346 91177308-0d34-0410-b5e6-96231b3b80d8

(1) Added special register class containing (for now) %fsr.
    Fixed spilling of %fcc[0-3] which are part of %fsr.

(2) Moved some machine-independent reg-class code to class TargetRegInfo
    from SparcReg{Class,}Info.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6343 91177308-0d34-0410-b5e6-96231b3b80d8

Renamed MachienOperand::opIsDef to MachineOperand::opIsDefOnly()
and related functions and flags.  Fixed several bugs where only
"isDef" was being checked, not "isDefAndUse".

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6342 91177308-0d34-0410-b5e6-96231b3b80d8

(1) Added special register class containing (for now) %fsr.
    Fixed spilling of %fcc[0-3] which are part of %fsr.

(2) Moved some machine-independent reg-class code to class TargetRegInfo
    from SparcReg{Class,}Info.

(3) Renamed MachienOperand::opIsDef to MachineOperand::opIsDefOnly()
    and related functions and flags.  Fixed several bugs where only
    "isDef" was being checked, not "isDefAndUse".

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6341 91177308-0d34-0410-b5e6-96231b3b80d8

Renamed opIsDef to opIsDefOnly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6340 91177308-0d34-0410-b5e6-96231b3b80d8

Added special register class containing (for now) %fsr.
Fixed spilling of %fcc[0-3] which are part of %fsr.
Moved some machine-independent reg-class code to class TargetRegInfo
from SparcReg{Class,}Info.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6339 91177308-0d34-0410-b5e6-96231b3b80d8

Fix bug: InstCombine/2003-05-26-CastMiscompile.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6338 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6337 91177308-0d34-0410-b5e6-96231b3b80d8

Changed tank... => http://llvm, and removed an extraneous mailto:.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6335 91177308-0d34-0410-b5e6-96231b3b80d8

Bug fix: right shift for int divide-by-power-of-2 was incorrect for
negative values.  Need to add one to a negative value before right shift!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6334 91177308-0d34-0410-b5e6-96231b3b80d8

Bug fix: padding bytes within a structure should go after each field!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6333 91177308-0d34-0410-b5e6-96231b3b80d8

Bug fix: sign-extension was not happening for C = -MININT since C == -C!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6332 91177308-0d34-0410-b5e6-96231b3b80d8

Predicate things better

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6331 91177308-0d34-0410-b5e6-96231b3b80d8

Do not show errors when moving file. The error is shown the first time anyone
runs `utils/cvsupdate' since there is no `cvs.out' file for mv to move, and it
is reported as such.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6330 91177308-0d34-0410-b5e6-96231b3b80d8

Fix problem with last checkin.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6328 91177308-0d34-0410-b5e6-96231b3b80d8

Make case of GetNumOfInt/FloatArgRegs functions to be use lower case
like all the other functions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6326 91177308-0d34-0410-b5e6-96231b3b80d8

Add support for compiling varargs functions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6325 91177308-0d34-0410-b5e6-96231b3b80d8

Reword to remove reference to how things worked in the past.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6323 91177308-0d34-0410-b5e6-96231b3b80d8

Add ability to utilize the code emitter generator (CodeEmitterGen).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6322 91177308-0d34-0410-b5e6-96231b3b80d8

First cut at the Code Generator using the TableGen methodology.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6321 91177308-0d34-0410-b5e6-96231b3b80d8

Implement the TargetInstrInfo's createNOPinstr() and isNOPinstr() interface.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6320 91177308-0d34-0410-b5e6-96231b3b80d8

NOP instructions are pseudo-instructions. We should not have them explicitly in
our representation, since they are usually special cases of already-existing
instructions.

This abstracts away methods that let a pass create and verify a NOP instruction,
without relying on a `NOP' enum to be in existence in the target's instruction
info descriptor.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6319 91177308-0d34-0410-b5e6-96231b3b80d8

Suggest -save-temps instead of -S, -E.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6318 91177308-0d34-0410-b5e6-96231b3b80d8

Remove ".bc" from the end of InputFile if it is there, in
tools/lli/lli.cpp:main().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6317 91177308-0d34-0410-b5e6-96231b3b80d8

gccld.cpp:
 Fix typo in header.
 Add IsArchive static method.
 Roll LoadLibraryFromDirectory() into LoadLibrary(), and factor
  LoadLibraryExactName() out of the result. Instead of treating the current
  directory specially, just insert it into LibPaths in the beginning of
  main().
 Make LoadLibrary() take a "search" flag that says whether to search for the
  correct library, or just trust that LibName is right.
 Make LinkLibrary() take a "search" flag, and pass it to LoadLibrary().
 Change the for-loop over InputFilenames to detect ar archives and link them
  in as libraries without searching.
 Change the for-loop over Libraries to explicitly turn on the "search" flag
  to LinkLibrary() that makes LoadLibrary() search for the correct library
  (i.e., when processing -lNAME options.)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6316 91177308-0d34-0410-b5e6-96231b3b80d8

Fix Bug: Linker/2003-04-26-NullPtrLinkProblem.ll

This was a problem with constants having their types resolved to some new type,
but there was already a constant of the new type created.  Before, these types
were never merged together, now they are.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6314 91177308-0d34-0410-b5e6-96231b3b80d8

Remove some cruft, add some methods to allow implementation of bugfix for
Bug: Linker/2003-04-26-NullPtrLinkProblem.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6313 91177308-0d34-0410-b5e6-96231b3b80d8

Cleaned up code layout; no functional changes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6312 91177308-0d34-0410-b5e6-96231b3b80d8

Minor rewording/cleanups

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6311 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase identified by Brian Gaeke.  Gotta love GCC extensions. :(

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6310 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a problem brian identified.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6309 91177308-0d34-0410-b5e6-96231b3b80d8

Clarify BugDriver.cpp:BugDriver::ParseInputFile()'s return values in its
explanatory comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6308 91177308-0d34-0410-b5e6-96231b3b80d8

Remove long dead code

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6307 91177308-0d34-0410-b5e6-96231b3b80d8

Remove using declarations

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6306 91177308-0d34-0410-b5e6-96231b3b80d8

Add using declarations

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6305 91177308-0d34-0410-b5e6-96231b3b80d8

Cleaned up code layout. No functional changes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6304 91177308-0d34-0410-b5e6-96231b3b80d8

Remove using declarations and extraneous #includes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6303 91177308-0d34-0410-b5e6-96231b3b80d8

Fix static constructor ordering problem

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6302 91177308-0d34-0410-b5e6-96231b3b80d8

Kill `using' directives.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6301 91177308-0d34-0410-b5e6-96231b3b80d8

Remove using declarations

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6300 91177308-0d34-0410-b5e6-96231b3b80d8

Fix testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6299 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6298 91177308-0d34-0410-b5e6-96231b3b80d8

Add documentation for the new cl::CommaSeparated modifier

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6297 91177308-0d34-0410-b5e6-96231b3b80d8

add support for an explicit EXPORTED_SYMBOL_LIST

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6296 91177308-0d34-0410-b5e6-96231b3b80d8

Make the list accept comma separated names

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6295 91177308-0d34-0410-b5e6-96231b3b80d8

Add new CommaSeparated option modifier

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6294 91177308-0d34-0410-b5e6-96231b3b80d8

Add support for a new "CommaSeparated" modifier

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6293 91177308-0d34-0410-b5e6-96231b3b80d8

Kill using declarations

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6292 91177308-0d34-0410-b5e6-96231b3b80d8

Destroy using declarations

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6291 91177308-0d34-0410-b5e6-96231b3b80d8

Specify a list of symbols that should be exported by the library

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6290 91177308-0d34-0410-b5e6-96231b3b80d8

* Revert to old behavior of ignoring a module if it doesn't contain a main
  function and no symbols were explicitly marked to be externalized.
* Add new -internalize-public-api-list option that can be used if the symbol
  list is small, and making a new file is annoying.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6289 91177308-0d34-0410-b5e6-96231b3b80d8

Add option to internalize to allow it to read a file to determine which symbols
should not be internalized

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6288 91177308-0d34-0410-b5e6-96231b3b80d8

Update to match typename produced by the C frontend

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6287 91177308-0d34-0410-b5e6-96231b3b80d8

Minor cleanups.
This hunk:
-    } else if (Src->getNumOperands() == 2 && Src->use_size() == 1) {
+    } else if (Src->getNumOperands() == 2) {

Allows GEP folding to be more aggressive, which reduces the number of instructions
and can dramatically speed up BasicAA in some cases.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6286 91177308-0d34-0410-b5e6-96231b3b80d8

Fix bug: Assembler/2003-05-03-BytecodeReaderProblem.llx
by emitting the type planes before any constants (which could be constant
expressions involving undefined types!)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6285 91177308-0d34-0410-b5e6-96231b3b80d8

Do not assert fail or crash when a bytecode parse fails!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6284 91177308-0d34-0410-b5e6-96231b3b80d8

Eliminate the uchar typedef, use unsigned char explicitly

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6283 91177308-0d34-0410-b5e6-96231b3b80d8

Make the testcase even more insane

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6280 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6279 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6278 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase that was killing the CFE

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6277 91177308-0d34-0410-b5e6-96231b3b80d8

New document

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6275 91177308-0d34-0410-b5e6-96231b3b80d8

New graphic for web page

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6274 91177308-0d34-0410-b5e6-96231b3b80d8

Fix bug: FunctionResolve/2003-05-21-MissingArguments.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6273 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase that crashes the funcresolve pass.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6272 91177308-0d34-0410-b5e6-96231b3b80d8

Allow disabling final cleanups

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6271 91177308-0d34-0410-b5e6-96231b3b80d8

Fix Bug: BasicAA/2003-05-21-GEP-Problem.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6270 91177308-0d34-0410-b5e6-96231b3b80d8

Trim testcase a bit

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6269 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase identified by joel

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6268 91177308-0d34-0410-b5e6-96231b3b80d8

Increase odds that this won't bork things

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6267 91177308-0d34-0410-b5e6-96231b3b80d8

Fixed `volatile' typo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6266 91177308-0d34-0410-b5e6-96231b3b80d8

Cleaned up code layout, spacing, etc. for readability purposes and to be more
consistent with the style of LLVM's code base (and itself! it's inconsistent in
some places.)

No functional changes were made.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6265 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6264 91177308-0d34-0410-b5e6-96231b3b80d8

* Fix divide by zero error with empty structs
* Empty structs should have ALIGNMENT 1, not SIZE 1.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6263 91177308-0d34-0410-b5e6-96231b3b80d8

Cleaned up code layout, spacing, etc. for readability purposes and to be more
consistent with the style of LLVM's code base (and itself! it's inconsistent in
some places.)

No functional changes were made.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6262 91177308-0d34-0410-b5e6-96231b3b80d8

Namespacified `vector' and `cerr' to always use the `std::' namespace.
Eliminated `using' directives.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6261 91177308-0d34-0410-b5e6-96231b3b80d8

Add support for shift constant expressions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6260 91177308-0d34-0410-b5e6-96231b3b80d8

New method

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6259 91177308-0d34-0410-b5e6-96231b3b80d8

Fix bugs:
  Assembler/2003-05-21-MalformedShiftCrash.llx
  Assembler/2003-05-21-ConstantShiftExpr.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6258 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase, found by inspection

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6257 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6256 91177308-0d34-0410-b5e6-96231b3b80d8

Fix bugs:
  Assembler/2003-05-21-EmptyStructTest.ll
  Assembler/2003-05-21-MalformedStructCrash.llx

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6255 91177308-0d34-0410-b5e6-96231b3b80d8

Add run string

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6254 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6253 91177308-0d34-0410-b5e6-96231b3b80d8

I fixed that ``thang'', yo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6252 91177308-0d34-0410-b5e6-96231b3b80d8

Hopefully, the final fix for `[Pp]ropogate'.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6251 91177308-0d34-0410-b5e6-96231b3b80d8

The word `operands' has an `r' in it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6250 91177308-0d34-0410-b5e6-96231b3b80d8

Sparc instruction opcodes now all live under the `V9' namespace.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6249 91177308-0d34-0410-b5e6-96231b3b80d8

s/convertable/convertible/g

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6248 91177308-0d34-0410-b5e6-96231b3b80d8

The plural of `Pass' is Passes, not Pass's.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6247 91177308-0d34-0410-b5e6-96231b3b80d8

Add flexibility

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6246 91177308-0d34-0410-b5e6-96231b3b80d8

Add support for setjmp/longjmp primitives
Patch checked in for Bill Wendling :)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6241 91177308-0d34-0410-b5e6-96231b3b80d8

Initial test

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6240 91177308-0d34-0410-b5e6-96231b3b80d8

Fix bug: Assembler/2003-05-15-SwitchBug.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6239 91177308-0d34-0410-b5e6-96231b3b80d8

Add facilities for building source that is outside of the current directory

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6238 91177308-0d34-0410-b5e6-96231b3b80d8