Destroy MachineFunction for any Function that we are about to
recompile and relink. This keeps it from failing an assertion when
it goes and tries to construct a new MachineFunction for that Function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9459 91177308-0d34-0410-b5e6-96231b3b80d8

Organized in 4 parts. The last two are the same as before: LLVM Docs and
Mailing Lists.  The first two are ""Getting Started" and "Getting Help."

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9457 91177308-0d34-0410-b5e6-96231b3b80d8

Move the implementations of ==, != on AllocInfos here, from UnpackTraceFunction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9452 91177308-0d34-0410-b5e6-96231b3b80d8

Move AllocInfo structure to a private AllocInfo.h header file.
Make FnAllocState contain vectors of AllocInfo, instead of LLVM Constants.
Give doFinalization a method comment, and let it do the work of converting
 AllocInfos to LLVM Constants.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9451 91177308-0d34-0410-b5e6-96231b3b80d8

Make FnAllocState contain vectors of AllocInfo, instead of LLVM Constants.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9450 91177308-0d34-0410-b5e6-96231b3b80d8

New file, containing AllocInfo structure.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9449 91177308-0d34-0410-b5e6-96231b3b80d8

Recommend using -z3

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9445 91177308-0d34-0410-b5e6-96231b3b80d8

Remove explicit paths

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9444 91177308-0d34-0410-b5e6-96231b3b80d8

Add assertions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9443 91177308-0d34-0410-b5e6-96231b3b80d8

Fix bug in eon hopefully

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9442 91177308-0d34-0410-b5e6-96231b3b80d8

Fix bug: CBackend/2003-10-23-UnusedType.ll and hopefully 252.eon

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9441 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase, which failes to compile.  252.eon hits this problem

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9440 91177308-0d34-0410-b5e6-96231b3b80d8

Updated configure script.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9438 91177308-0d34-0410-b5e6-96231b3b80d8

We might as well strip off any CPRs before propagation

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9437 91177308-0d34-0410-b5e6-96231b3b80d8

Fail gracefully if we have a zero arg varargs function

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9436 91177308-0d34-0410-b5e6-96231b3b80d8

Turn on the IPCP pass by default.  It has passed all of the tests

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9435 91177308-0d34-0410-b5e6-96231b3b80d8

Reformat. A few minor edits.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9434 91177308-0d34-0410-b5e6-96231b3b80d8

* Eliminate `using' directive
* Fix order of #includes
* Make code layout more consistent
* Eliminate extraneous whitespace and comment-lines

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9433 91177308-0d34-0410-b5e6-96231b3b80d8

* Fix order of #include files
* Doxygen-ify method comments

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9432 91177308-0d34-0410-b5e6-96231b3b80d8

* Order #includes as per style guide
* Doxygen-ify comments
* Make code layout more consistent

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9431 91177308-0d34-0410-b5e6-96231b3b80d8

* Use C++ style comments instead of C-style
* Make file description more readable
* Make code layout more consistent, include comment in assert so it's visible
  during execution if it hits

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9430 91177308-0d34-0410-b5e6-96231b3b80d8

* Eliminate `using' directive
* Order #includes as per style guide

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9429 91177308-0d34-0410-b5e6-96231b3b80d8

* We were forgetting to pass varargs arguments through a call
* Add a work around for bug PR56, gross but necessary for now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9428 91177308-0d34-0410-b5e6-96231b3b80d8

* Eliminate `using' directive
* Make code layout more consistent

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9427 91177308-0d34-0410-b5e6-96231b3b80d8

Make code layout more consistent.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9426 91177308-0d34-0410-b5e6-96231b3b80d8

Zero arg varargs functions are legal in LLVM, but not in C.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9425 91177308-0d34-0410-b5e6-96231b3b80d8

Delete unused EmitByteSwap method
Implement mul/div/rem constant expressions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9424 91177308-0d34-0410-b5e6-96231b3b80d8

Check in initial version of ipcp

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9423 91177308-0d34-0410-b5e6-96231b3b80d8

Include new prototype

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9422 91177308-0d34-0410-b5e6-96231b3b80d8

Make code layout more consistent.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9418 91177308-0d34-0410-b5e6-96231b3b80d8

Actually share constants local to a function!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9417 91177308-0d34-0410-b5e6-96231b3b80d8

* Order includes according to style guide
* Convert tabs to spaces
* Make code fit within 80 columns

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9416 91177308-0d34-0410-b5e6-96231b3b80d8

* Stop referring to llvmbugs mailing list, point them to Bugzilla
* Use ASCII (c) instead of the special character, which may not display
  correctly for everyone
* Wrap at 80 columns

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9415 91177308-0d34-0410-b5e6-96231b3b80d8

Update test

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9414 91177308-0d34-0410-b5e6-96231b3b80d8

document real source of bug

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9413 91177308-0d34-0410-b5e6-96231b3b80d8

Added new license information in preparation for LLVM 1.0.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9410 91177308-0d34-0410-b5e6-96231b3b80d8

fix test

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9409 91177308-0d34-0410-b5e6-96231b3b80d8

Fix test

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9408 91177308-0d34-0410-b5e6-96231b3b80d8

Fix buggy test

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9407 91177308-0d34-0410-b5e6-96231b3b80d8

Fix an assertion failure in Bugpoint

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9406 91177308-0d34-0410-b5e6-96231b3b80d8

Do not report errors if QMTest returns a non-zero value.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9404 91177308-0d34-0410-b5e6-96231b3b80d8

Fix bug: instcombine/2003-10-23-InstcombineNullFail.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9403 91177308-0d34-0410-b5e6-96231b3b80d8

A new testcase for an instcombine miscompilation!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9402 91177308-0d34-0410-b5e6-96231b3b80d8

Fix apparent typo in head-of-file comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9400 91177308-0d34-0410-b5e6-96231b3b80d8

Minor edits

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9399 91177308-0d34-0410-b5e6-96231b3b80d8

Make this pass substantially stronger by having it delete dead return values
as well as arguments.  Now it can delete arguments and return values which are
only passed into other arguments or are returned, if they are dead.  This causes
it to delete several hundred extra args/retvals from the C++ hello world program,
shrinking it by about 2K.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9398 91177308-0d34-0410-b5e6-96231b3b80d8

To say this file is obsolete to understate the obvious

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9397 91177308-0d34-0410-b5e6-96231b3b80d8

Really close the <li> tags.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9396 91177308-0d34-0410-b5e6-96231b3b80d8

Remove extraneous comments.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9395 91177308-0d34-0410-b5e6-96231b3b80d8

* Quote a value in <font> tag.
* Let CVS figure out the last-modified-date for us

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9394 91177308-0d34-0410-b5e6-96231b3b80d8

* Use UTF-8 instead of ISO-8859-1
* Use stylesheet instead of explicit <font> formatting
* Stop using <ul> for layout
* Close <li> tags

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9393 91177308-0d34-0410-b5e6-96231b3b80d8

* Use UTF-8 instead of soon-to-be-extinct ISO-8859-1 ;)
* Use stylesheets instead of explicit <font> tags
* Stop using <ul> for spacing layout
* Close <a> and <p> tags

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9392 91177308-0d34-0410-b5e6-96231b3b80d8

We will distributed this stylesheet with the documentation, as well as use it
(via import) in the online version.

* Added styles for documentation headers, sections, etc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9391 91177308-0d34-0410-b5e6-96231b3b80d8

This important patch fixes two warnings in the linker which can occur from linking
valid pieces of code

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9390 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase for the deadreturnvalue deletion extension to -deadargelim

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9389 91177308-0d34-0410-b5e6-96231b3b80d8

Change the type of FnAllocState.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9388 91177308-0d34-0410-b5e6-96231b3b80d8

Don't worry about converting each function's reg. alloc. state into One Big
Constant early on, because we can do it in doFinalization.

Tighten up a comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9387 91177308-0d34-0410-b5e6-96231b3b80d8

Add prototype for verifySavedState().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9386 91177308-0d34-0410-b5e6-96231b3b80d8

Doxygenify method comments.
Try to improve method comments a little.
Get rid of some excess whitespace; put braces on previous line when possible.
Add stub for method to verify the work of saveState().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9385 91177308-0d34-0410-b5e6-96231b3b80d8

This is a disgusting hack that improves code substantially, by making
callgraphSCC passes more effective.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9384 91177308-0d34-0410-b5e6-96231b3b80d8

Clarify our testing experience.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9383 91177308-0d34-0410-b5e6-96231b3b80d8

Do not check for strings.h. This is an old, old, old pre-C89 header that
absolutely nothing should be using (and it looks like nothing IS using it).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9381 91177308-0d34-0410-b5e6-96231b3b80d8

I think this file is not included by anything.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9380 91177308-0d34-0410-b5e6-96231b3b80d8

* Changed URL referring to zion to use llvm instead
* Close <li> tags

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9378 91177308-0d34-0410-b5e6-96231b3b80d8

Do not add unreachable code to a natural loop!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9377 91177308-0d34-0410-b5e6-96231b3b80d8

Make sure to print labels on nodes without names

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9376 91177308-0d34-0410-b5e6-96231b3b80d8

If the basic block has no name, make sure to print the % number of it

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9375 91177308-0d34-0410-b5e6-96231b3b80d8

Implement the Function::viewCFG* methods, for use in a debugger.  Also, the
-print-cfg pass now lives here.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9374 91177308-0d34-0410-b5e6-96231b3b80d8

Add two new function stubs for viewing the CFG of a function inside of the
debugger

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9373 91177308-0d34-0410-b5e6-96231b3b80d8

Delete the -print-cfg pass from this file

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9372 91177308-0d34-0410-b5e6-96231b3b80d8

Added information on using Bugzilla.
Removed information on using llvm-bugs to report bugs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9371 91177308-0d34-0410-b5e6-96231b3b80d8

Add comments to describe what these functions actually do.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9370 91177308-0d34-0410-b5e6-96231b3b80d8

* Use <cmath> instead of <math.h>
* Order #includes according to LLVM coding standards

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9369 91177308-0d34-0410-b5e6-96231b3b80d8

Removed completely duplicated function comment (an identical one appears later).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9368 91177308-0d34-0410-b5e6-96231b3b80d8

No, really, order the #includes correctly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9367 91177308-0d34-0410-b5e6-96231b3b80d8

Update the 'used' flag correctly

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9366 91177308-0d34-0410-b5e6-96231b3b80d8

Loop over the module, not the symbol table.  This makes the code handle
unused external functions again

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9365 91177308-0d34-0410-b5e6-96231b3b80d8

New library needed

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9364 91177308-0d34-0410-b5e6-96231b3b80d8

Implement FunctionResolve/2003-10-21-GlobalResolveHack.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9363 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase for fun hack that is absolutely necessary for the C++ stdlib.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9362 91177308-0d34-0410-b5e6-96231b3b80d8

* Fix order of #includes to follow style guide
* It's no longer a BasicBlock pass: update comment on run() method
* Fix placement of braces to be consistent
* Delete extraneous whitespace

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9361 91177308-0d34-0410-b5e6-96231b3b80d8

Converted tabs to spaces.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9360 91177308-0d34-0410-b5e6-96231b3b80d8

Fix bug: FunctionResolve/2003-10-21-GlobalTypeDifference.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9359 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase: globals should be linked if they are the wrong type.  We should
just moan loudly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9358 91177308-0d34-0410-b5e6-96231b3b80d8

Fix bug: Linker/2003-10-21-ConflictingTypesTolerance.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9357 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase.  The linker should not consider it an error if two types
disagree.  It should grumble, then go ahead and do it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9356 91177308-0d34-0410-b5e6-96231b3b80d8

Add C/C++ build instructions, first draft.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9355 91177308-0d34-0410-b5e6-96231b3b80d8

Fix message to make more sense and confuse Chris less

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9354 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase, fixed in the C++ frontend

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9353 91177308-0d34-0410-b5e6-96231b3b80d8

Added the name of the public CVS repository.
Removed the use of CVSROOTDIR as it is no longer used.
Fixed some word wrapping.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9352 91177308-0d34-0410-b5e6-96231b3b80d8

Fix off-by-one error in processing of libraries named on command line.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9351 91177308-0d34-0410-b5e6-96231b3b80d8

Adding information on what testing support is provided by the LLVM build
system.  Currently, it is not much.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9348 91177308-0d34-0410-b5e6-96231b3b80d8

Add dummy content for libgdbm.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9344 91177308-0d34-0410-b5e6-96231b3b80d8

Fix libm's name to be `libm'

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9343 91177308-0d34-0410-b5e6-96231b3b80d8

Fix library name and fix line to fit within 80 columns.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9342 91177308-0d34-0410-b5e6-96231b3b80d8

Add tools-only target, for bootstrapping the C/C++ front end.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9341 91177308-0d34-0410-b5e6-96231b3b80d8

This was not a lower-switch bug, it was a preselection bug

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9340 91177308-0d34-0410-b5e6-96231b3b80d8

When linking the runtime libraries, do not link -lc and -lgcc into the libraries

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9339 91177308-0d34-0410-b5e6-96231b3b80d8

Fix strcpy implementation and trie

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9338 91177308-0d34-0410-b5e6-96231b3b80d8

Fix the first FIXME in this file: automatically pick a "good"
interpreter by default, by picking the first one that works
from a hard-coded list.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9337 91177308-0d34-0410-b5e6-96231b3b80d8