Oh right, casts can interfere.  Test this too

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12354 91177308-0d34-0410-b5e6-96231b3b80d8

Implement InstCombine/sub.ll:test12 & test13

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12353 91177308-0d34-0410-b5e6-96231b3b80d8

new testcases

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12352 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a couple of minor problems.  Because PHI nodes can use themselves, this
could cause infinite loops.  Also, getUnderlyingObject can return null

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12351 91177308-0d34-0410-b5e6-96231b3b80d8

Performed some updates on the new options to these command line tools.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12350 91177308-0d34-0410-b5e6-96231b3b80d8

Implement mod/ref analysis for a trivial case where locals don't escape.
This comes up when you have a local array on the stack and you never pass
the address of elements around.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12349 91177308-0d34-0410-b5e6-96231b3b80d8

new testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12348 91177308-0d34-0410-b5e6-96231b3b80d8

Revise comment and error message for the Bug 38 situation.  Also, make it
print out the name of the function being used.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12347 91177308-0d34-0410-b5e6-96231b3b80d8

Fixed grammar typo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12345 91177308-0d34-0410-b5e6-96231b3b80d8

Make -print-machineinstrs show us the code both before and after reg. alloc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12344 91177308-0d34-0410-b5e6-96231b3b80d8

Fixed grammar typo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12343 91177308-0d34-0410-b5e6-96231b3b80d8

Added minor information on C++.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12341 91177308-0d34-0410-b5e6-96231b3b80d8

Updated to LLVM 1.2.
Added information on getting the LLVM GCC front end from CVS.
Added new configure script options.
Made other minor corrections and modifications.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12340 91177308-0d34-0410-b5e6-96231b3b80d8

Fix PR266: Make Module Not Inherit From Annotable

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12339 91177308-0d34-0410-b5e6-96231b3b80d8

Point to the new license (includes year 2004).
Changed crtend.o to libcrtend.a.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12338 91177308-0d34-0410-b5e6-96231b3b80d8

Added a header indicating that the Linux and MacOS configure procedures are
the same.

Added LLVM copyright and warranty disclaimer information.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12337 91177308-0d34-0410-b5e6-96231b3b80d8

Add support for a wider range of CMOV instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12336 91177308-0d34-0410-b5e6-96231b3b80d8

Updated copyright to year 2004.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12335 91177308-0d34-0410-b5e6-96231b3b80d8

Simplify code to process CallSites (thanks to Chris).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12334 91177308-0d34-0410-b5e6-96231b3b80d8

Test the mod/ref analysis in DSA.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12333 91177308-0d34-0410-b5e6-96231b3b80d8

Keep transitively-required passes alive for queries to work after the initial
user pass is destroyed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12332 91177308-0d34-0410-b5e6-96231b3b80d8

Evaluate ModRef information in addition to regular ol' pointer analysis.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12331 91177308-0d34-0410-b5e6-96231b3b80d8

Implement getModRefInfo() for DSA to calculate whether a function modifies or
references a pointer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12330 91177308-0d34-0410-b5e6-96231b3b80d8

Add AnalysisUsage::addRequiredTransitive() to keep analysis info alive for
future queries by clients.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12329 91177308-0d34-0410-b5e6-96231b3b80d8

test instruction combiner opts for select instruction

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12328 91177308-0d34-0410-b5e6-96231b3b80d8

Teach vim about the select instruction.   Allow it to forget about the long-dead
not instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12327 91177308-0d34-0410-b5e6-96231b3b80d8

Teach emacs about the select instruction

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12326 91177308-0d34-0410-b5e6-96231b3b80d8

Add support for checking the select instruction

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12325 91177308-0d34-0410-b5e6-96231b3b80d8

Know the opcode name of the select instruction

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12324 91177308-0d34-0410-b5e6-96231b3b80d8

Add support for select constant expressions.  Use reserve a bit more to avoid
memory wasteage.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12323 91177308-0d34-0410-b5e6-96231b3b80d8

Add new function

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12322 91177308-0d34-0410-b5e6-96231b3b80d8

Teach the constant folder how to do select instructions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12321 91177308-0d34-0410-b5e6-96231b3b80d8

Print select instructions correctly

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12320 91177308-0d34-0410-b5e6-96231b3b80d8

Add constant folding wrapper support for select instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12319 91177308-0d34-0410-b5e6-96231b3b80d8

Add sccp support for select instructions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12318 91177308-0d34-0410-b5e6-96231b3b80d8

Add trivial optimizations for select instructions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12317 91177308-0d34-0410-b5e6-96231b3b80d8

ADd support for select instructions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12316 91177308-0d34-0410-b5e6-96231b3b80d8

Write select instructions to bytecode

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12315 91177308-0d34-0410-b5e6-96231b3b80d8

Read select instrs from bytecode

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12314 91177308-0d34-0410-b5e6-96231b3b80d8

Allow parsing select instruction and constant expr

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12313 91177308-0d34-0410-b5e6-96231b3b80d8

Add the visitSelectInst visitor method

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12312 91177308-0d34-0410-b5e6-96231b3b80d8

Add the SelectInst class

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12311 91177308-0d34-0410-b5e6-96231b3b80d8

Add the Instruction::Select enum

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12310 91177308-0d34-0410-b5e6-96231b3b80d8

Add support for select constant exprs

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12309 91177308-0d34-0410-b5e6-96231b3b80d8

This is no longer an open project

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12308 91177308-0d34-0410-b5e6-96231b3b80d8

Cleanup the cast section, add the select instruction

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12307 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12306 91177308-0d34-0410-b5e6-96231b3b80d8

Make code more readable.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12305 91177308-0d34-0410-b5e6-96231b3b80d8

Fix indentation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12298 91177308-0d34-0410-b5e6-96231b3b80d8

Move implementations of functions here, which avoids #including <cstdlib> in the
header file and all those who #include it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12297 91177308-0d34-0410-b5e6-96231b3b80d8

Move function implementations to a .cpp file, avoid #including <cstdlib> here.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12296 91177308-0d34-0410-b5e6-96231b3b80d8

Forward-declare templates for fix compilation when Argument.h is included first.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12295 91177308-0d34-0410-b5e6-96231b3b80d8

Doxygenified and cleand up comments.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12294 91177308-0d34-0410-b5e6-96231b3b80d8

Miscellaneous additions are a separate section.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12293 91177308-0d34-0410-b5e6-96231b3b80d8

Make sure libcrtend.a gets installed when you make install-bytecode.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12292 91177308-0d34-0410-b5e6-96231b3b80d8

Get rid of the abort in PhyRegAlloc::finishSavingState().

Make an explicit call to it from runOnFunction() if we know we're supposed to
write into the global. This is lame (esp. the const_cast), but it solves
the problem.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12291 91177308-0d34-0410-b5e6-96231b3b80d8

Give pass a name

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12290 91177308-0d34-0410-b5e6-96231b3b80d8

Fix compilation on Sparc: assert(0) => abort()

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12289 91177308-0d34-0410-b5e6-96231b3b80d8

SparcV8 removed until it grows up becomes a mature backend.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12288 91177308-0d34-0410-b5e6-96231b3b80d8

Fix spelling.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12287 91177308-0d34-0410-b5e6-96231b3b80d8

In PhyRegAlloc::saveState(), dump Arguments' saved-state, and try to
make the output more compact.

Divorce state-saving from the doFinalization method; for some reason it's not
getting called when I want it to, at Reoptimizer time. Put the guts in
PhyRegAlloc::finishSavingState(). Put an abort() in it so that I can be really
really sure that it's getting called.

Update comments.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12286 91177308-0d34-0410-b5e6-96231b3b80d8

Remove ghostly directory from the build

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12285 91177308-0d34-0410-b5e6-96231b3b80d8

Embed a floating frame of the bugzilla query in the page. This way
people looking for open projects cannot miss the link :-)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12284 91177308-0d34-0410-b5e6-96231b3b80d8

Minor additions and cleanups

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12279 91177308-0d34-0410-b5e6-96231b3b80d8

Move all the SaveState options and stuff inton one spot at the top of the file.
De-constify SaveStateToModule; we have to set both it and SaveRegAllocState
explicitly in the reoptimizer.
Make SaveRegAllocState an 'external location' option.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12278 91177308-0d34-0410-b5e6-96231b3b80d8

Only call verifySavedState if SaveRegAllocState is set AND debugging flag is on.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12277 91177308-0d34-0410-b5e6-96231b3b80d8

Bugz fixed

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12276 91177308-0d34-0410-b5e6-96231b3b80d8

Fix PR284: [indvars] Induction variable analysis violates LLVM invariants

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12275 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase for PR284: [indvars] Induction variable analysis violates LLVM invariants

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12274 91177308-0d34-0410-b5e6-96231b3b80d8

Add link to bugzilla query of unassigned enhancements. Specific open
projects like 'port glibc to llvm' or 'improve nightly tester', should
have an unassigned enhancement bug opened for them so that they can be
tracked more easily. Open projects should only list generic projects
like 'compile programs with the LLVM compiler' or 'write a new backend
for target'.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12273 91177308-0d34-0410-b5e6-96231b3b80d8

We need a logo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12272 91177308-0d34-0410-b5e6-96231b3b80d8

Add brainstorm for a random test vector generator

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12271 91177308-0d34-0410-b5e6-96231b3b80d8

Recommend using install-bytecode target

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12270 91177308-0d34-0410-b5e6-96231b3b80d8

My fix for PR274 broke the build on Darwin/PPC.  As I'm fairly certain this
bug only affects Linux systems that use GLIBC, I'm going to put ifdefs around
the array.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12269 91177308-0d34-0410-b5e6-96231b3b80d8

Add support for 'install-bytecode' target, used for ONLY installing
bytecode-libs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12268 91177308-0d34-0410-b5e6-96231b3b80d8

Fix up a seriously outdated comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12267 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase for PR275

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12266 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase for PR276: llvm-g++ does not mangle method names that match stdlib function names

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12265 91177308-0d34-0410-b5e6-96231b3b80d8

implement new method

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12264 91177308-0d34-0410-b5e6-96231b3b80d8

new method

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12263 91177308-0d34-0410-b5e6-96231b3b80d8

Spill explicit physical register defs as well.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12260 91177308-0d34-0410-b5e6-96231b3b80d8

Now that I read it again, this part in particular strikes me as kind of
pushy and contentious...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12259 91177308-0d34-0410-b5e6-96231b3b80d8

Check if printing of implicit uses is required for all types of shift
instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12258 91177308-0d34-0410-b5e6-96231b3b80d8

b00g fixed

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12257 91177308-0d34-0410-b5e6-96231b3b80d8

Address PR274 - '[JIT] Programs cannot resolve the fstat function'
by trying to get the compiler to generate an undefined reference for it
and related functions which live in libc_nonshared.a on Linux.

Linkers... sigh.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12256 91177308-0d34-0410-b5e6-96231b3b80d8

Hmm, who left this sitting around in my tree

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12255 91177308-0d34-0410-b5e6-96231b3b80d8

Differentiate between extended precision floats (80-bit) and double precision floats (64-bit)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12254 91177308-0d34-0410-b5e6-96231b3b80d8

Use newly added API to emit bytes for instructions that gas misassembles

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12253 91177308-0d34-0410-b5e6-96231b3b80d8

Add emitInstruction() API so that we can get the bytes of a simple instruction

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12252 91177308-0d34-0410-b5e6-96231b3b80d8

Constify things a bit

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12251 91177308-0d34-0410-b5e6-96231b3b80d8

Bug fixed

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12250 91177308-0d34-0410-b5e6-96231b3b80d8

Checkin testcase for PR261

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12249 91177308-0d34-0410-b5e6-96231b3b80d8

John fixed this bug

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12248 91177308-0d34-0410-b5e6-96231b3b80d8

Change PhyRegAlloc::saveStateForValue()'s arg type to deal with
AllocInfo.Instruction becoming an int.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12247 91177308-0d34-0410-b5e6-96231b3b80d8

Save argument list alloc state by recording it as the operands of Instruction
#-1. Other minor changes to deal with AllocInfo.Instruction becoming an int.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12246 91177308-0d34-0410-b5e6-96231b3b80d8

Make AllocInfo's Instruction an int, so that we can overload it for arguments.
(Instruction #-1's operands = argument list).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12245 91177308-0d34-0410-b5e6-96231b3b80d8

Fix some spelling and grammar.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12244 91177308-0d34-0410-b5e6-96231b3b80d8

Update the profiling section

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12243 91177308-0d34-0410-b5e6-96231b3b80d8

Switch to using edge profiling information as the basic source of profile info
from using basic block counts.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12242 91177308-0d34-0410-b5e6-96231b3b80d8

Switch over to using edge profile information as the basic profiling representation,
from basic block counts.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12241 91177308-0d34-0410-b5e6-96231b3b80d8