Set SchedulingForLatency to be the default scheduling preference for all.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25607 91177308-0d34-0410-b5e6-96231b3b80d8

First part of bug 680:
Remove TLI.LowerVA* and replace it with SDNodes that are lowered the same
way as everything else.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25606 91177308-0d34-0410-b5e6-96231b3b80d8

Make it even more portable.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25605 91177308-0d34-0410-b5e6-96231b3b80d8

Fix VC++ compilation error.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25604 91177308-0d34-0410-b5e6-96231b3b80d8

Default scheduling preference is SchedulingForLatency.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25603 91177308-0d34-0410-b5e6-96231b3b80d8

X86 prefer scheduling for reduced register pressure.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25602 91177308-0d34-0410-b5e6-96231b3b80d8

Bottom up register usage reducing list scheduler.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25601 91177308-0d34-0410-b5e6-96231b3b80d8

Keep track of bottom / top element of a set of flagged nodes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25600 91177308-0d34-0410-b5e6-96231b3b80d8

If scheduler choice is the default (-sched=default), use target scheduling
preference to determine which scheduler to use. SchedulingForLatency ==
Breadth first; SchedulingForRegPressure == bottom up register reduction list
scheduler.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25599 91177308-0d34-0410-b5e6-96231b3b80d8

Add a enum to specify target scheduling preference: SchedulingForLatency or
SchedulingForRegPressure. Added corresponding methods to set / get the value.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25598 91177308-0d34-0410-b5e6-96231b3b80d8

Some minor scheduler changes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25597 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a selectcc lowering bug. Make a copy of X86ISD::CMP when folding it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25596 91177308-0d34-0410-b5e6-96231b3b80d8

Loosen up these checks to allow direct uses of ESP

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25595 91177308-0d34-0410-b5e6-96231b3b80d8

Portably cast a pointer to an integer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25594 91177308-0d34-0410-b5e6-96231b3b80d8

add bundling! well not really, for now it's just stop-insertion.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25593 91177308-0d34-0410-b5e6-96231b3b80d8

maintaining stackpointer alignment.  Perhaps it doesn't matter

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25592 91177308-0d34-0410-b5e6-96231b3b80d8

fix build on 64 bit hosts

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25591 91177308-0d34-0410-b5e6-96231b3b80d8

Fix an optional in flag bug.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25590 91177308-0d34-0410-b5e6-96231b3b80d8

Optional InFlag was not being included in node.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25588 91177308-0d34-0410-b5e6-96231b3b80d8

Fix Regression/Transforms/ScalarRepl/2006-01-24-IllegalUnionPromoteCrash.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25587 91177308-0d34-0410-b5e6-96231b3b80d8

testcase that crashes scalarrepl

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25586 91177308-0d34-0410-b5e6-96231b3b80d8

use ESP directly, not a copy of ESP into some other register for fastcc calls

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25584 91177308-0d34-0410-b5e6-96231b3b80d8

This is still broken

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25583 91177308-0d34-0410-b5e6-96231b3b80d8

Fix an infinite loop I caused by making sure to legalize the flag operand
of CALLSEQ_* nodes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25582 91177308-0d34-0410-b5e6-96231b3b80d8

add a method

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25581 91177308-0d34-0410-b5e6-96231b3b80d8

Emit the copies out of call return registers *after* the ISD::CALLSEQ_END
node, fixing fastcc and the case where a function has a frame pointer due
to dynamic allocas.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25580 91177308-0d34-0410-b5e6-96231b3b80d8

new c front-end testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25579 91177308-0d34-0410-b5e6-96231b3b80d8

Allow jit-beta to work

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25578 91177308-0d34-0410-b5e6-96231b3b80d8

Fix VC++ compilation error.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25577 91177308-0d34-0410-b5e6-96231b3b80d8

Remove unused variables.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25576 91177308-0d34-0410-b5e6-96231b3b80d8

Be consistent in using class/struct to keep Visual Studio happy.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25575 91177308-0d34-0410-b5e6-96231b3b80d8

Add new files to Visual Studio.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25574 91177308-0d34-0410-b5e6-96231b3b80d8

Track changes in config.h.in.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25573 91177308-0d34-0410-b5e6-96231b3b80d8

rename method

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25572 91177308-0d34-0410-b5e6-96231b3b80d8

Rename method

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25571 91177308-0d34-0410-b5e6-96231b3b80d8

Initial checkin of the InlineAsm class

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25570 91177308-0d34-0410-b5e6-96231b3b80d8

Crude Dwarf global variable debugging.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25569 91177308-0d34-0410-b5e6-96231b3b80d8

Pretty print file-scope asm blocks.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25568 91177308-0d34-0410-b5e6-96231b3b80d8

syntax change

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25567 91177308-0d34-0410-b5e6-96231b3b80d8

minor syntax change

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25566 91177308-0d34-0410-b5e6-96231b3b80d8

Print file-scope inline asm blocks at the start of the output file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25565 91177308-0d34-0410-b5e6-96231b3b80d8

Add support for reading/writing inline asm

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25564 91177308-0d34-0410-b5e6-96231b3b80d8

Update for file-scope inline asm

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25563 91177308-0d34-0410-b5e6-96231b3b80d8

new testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25562 91177308-0d34-0410-b5e6-96231b3b80d8

document module-level inline asm support.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25561 91177308-0d34-0410-b5e6-96231b3b80d8

Add support for linking inline asm

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25560 91177308-0d34-0410-b5e6-96231b3b80d8

When cloning a module, clone the inline asm.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25559 91177308-0d34-0410-b5e6-96231b3b80d8

regenerate

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25558 91177308-0d34-0410-b5e6-96231b3b80d8

Add support for parsing global asm blocks

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25557 91177308-0d34-0410-b5e6-96231b3b80d8

Print out inline asm strings

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25556 91177308-0d34-0410-b5e6-96231b3b80d8

Add global scope asm support

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25555 91177308-0d34-0410-b5e6-96231b3b80d8

bye bye Pattern ISEL

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25553 91177308-0d34-0410-b5e6-96231b3b80d8

added stores to lsmark

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25552 91177308-0d34-0410-b5e6-96231b3b80d8

another couple selects

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25551 91177308-0d34-0410-b5e6-96231b3b80d8

fix up more lsmark stuff

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25550 91177308-0d34-0410-b5e6-96231b3b80d8

yea, lowering this stuff will basically work

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25549 91177308-0d34-0410-b5e6-96231b3b80d8

another selectto

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25548 91177308-0d34-0410-b5e6-96231b3b80d8

Typo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25545 91177308-0d34-0410-b5e6-96231b3b80d8

Skeleton of the list schedule.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25544 91177308-0d34-0410-b5e6-96231b3b80d8

Minor clean up.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25543 91177308-0d34-0410-b5e6-96231b3b80d8

Update for including additional function tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25542 91177308-0d34-0410-b5e6-96231b3b80d8

Revert last patch because it messes up the JIT, amongst other things.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25541 91177308-0d34-0410-b5e6-96231b3b80d8

For PR411:
No functionality changes, just improve the code by a) providing better
function names, b) eliminating a call to get_suffix and c) tightening up
a function elimination test to reduce further checking.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25540 91177308-0d34-0410-b5e6-96231b3b80d8

For PR411:
Don't try to be smart about fixing intrinsic functions when they're read
in, just fix them after the module is read when all names are resolved.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25539 91177308-0d34-0410-b5e6-96231b3b80d8

Fix Regression/CodeGen/SparcV8/2006-01-22-BitConvertLegalize.ll by making
sure that the result of expanding a BIT_CONVERT node is itself legalized.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25538 91177308-0d34-0410-b5e6-96231b3b80d8

Testcase that failed due to a legalizer bug

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25537 91177308-0d34-0410-b5e6-96231b3b80d8

this option is gone, the dag isel is the default now

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25536 91177308-0d34-0410-b5e6-96231b3b80d8

Remove a couple of unnecessary #include's

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25535 91177308-0d34-0410-b5e6-96231b3b80d8

remove the V8 simple isel

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25534 91177308-0d34-0410-b5e6-96231b3b80d8

make this test harder

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25533 91177308-0d34-0410-b5e6-96231b3b80d8

Factor out more instruction scheduler code to the base class.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25532 91177308-0d34-0410-b5e6-96231b3b80d8

don't need this any more; the "#define hashes to trees" hack is coming

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25531 91177308-0d34-0410-b5e6-96231b3b80d8

add a bunch more optimizations for unary double math functions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25530 91177308-0d34-0410-b5e6-96231b3b80d8

add new tests

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25529 91177308-0d34-0410-b5e6-96231b3b80d8

add checks for new functions.  I'd appreciate it if someone could regen
the configure script :)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25528 91177308-0d34-0410-b5e6-96231b3b80d8

die, die!! r15, you are not callee-saved

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25527 91177308-0d34-0410-b5e6-96231b3b80d8

fix register corruption! (my god.) r15 is a scratch reg, using that as
a frame pointer is a pretty doofus thing to do. use r5 instead, and
mark it callee-saved, coz that's what it is!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25526 91177308-0d34-0410-b5e6-96231b3b80d8

Refactor/genericize this, no functionality change

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25525 91177308-0d34-0410-b5e6-96231b3b80d8

Make sure this tests the right thing, xfail on solaris, which doesn't have floorf

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25524 91177308-0d34-0410-b5e6-96231b3b80d8

Fix bugs lowering stackrestore, fixing 2004-08-12-InlinerAndAllocas.c on
PPC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25522 91177308-0d34-0410-b5e6-96231b3b80d8

Speedup and simplify pass registration by the observation that there is
exactly one PassInfo object per RegisterPass object and that their lifetimes
are the same.  As such, there is no reason for the RegisterPass object to
dynamically allocate the PassInfo object at compiler startup time: just inline
the object by-value.  This should reduce codesize, heap size, and startup time. Yaay.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25521 91177308-0d34-0410-b5e6-96231b3b80d8

Remove dead #include

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25520 91177308-0d34-0410-b5e6-96231b3b80d8

It doesn't make sense to give llc a list of passes on the command line,
LLVM doesn't use it and it can't work anyway.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25519 91177308-0d34-0410-b5e6-96231b3b80d8

this doesn't work, remove it

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25518 91177308-0d34-0410-b5e6-96231b3b80d8

This only needs <iosfwd> not <iostream>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25517 91177308-0d34-0410-b5e6-96231b3b80d8

Add #include of <iostream>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25516 91177308-0d34-0410-b5e6-96231b3b80d8

Add explicit #includes of <iostream>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25515 91177308-0d34-0410-b5e6-96231b3b80d8

Make iostream #inclusion explicit

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25514 91177308-0d34-0410-b5e6-96231b3b80d8

Add explicit iostream #includes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25513 91177308-0d34-0410-b5e6-96231b3b80d8

Make this more efficient in the following ways:
1. Do not statically construct a map when the program starts up, this
   is expensive and cannot be optimized.  Instead, create a list.
2. Do not insert entries for all function in the module into a hashmap
   that lives the full life of the compiler.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25512 91177308-0d34-0410-b5e6-96231b3b80d8

This header should not pull in <iostream>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25511 91177308-0d34-0410-b5e6-96231b3b80d8

add explicit #includes of iostream

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25510 91177308-0d34-0410-b5e6-96231b3b80d8

Add explicit #includes of <iostream>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25509 91177308-0d34-0410-b5e6-96231b3b80d8

Several non-functionality changing changes:
1. Use the varargs version of getOrInsertFunction to simplify code.
2. remove #include
3. Reduce the number of #ifdef's.
4. remove extraneous vertical whitespace.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25508 91177308-0d34-0410-b5e6-96231b3b80d8

Visual Studio still has issues at being left out.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25507 91177308-0d34-0410-b5e6-96231b3b80d8

Visual Studio neurotic about inconsistent class/struct usage.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25506 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a bug in a recent refactor that caused a bunch of programs to miscompile
or the compiler to crash.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25503 91177308-0d34-0410-b5e6-96231b3b80d8

insignificant, but next up is proper stack frame layout!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25497 91177308-0d34-0410-b5e6-96231b3b80d8

Fix CodeGen/PowerPC/2006-01-20-ShiftPartsCrash.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25496 91177308-0d34-0410-b5e6-96231b3b80d8

new testcase that crashes llc for ppc

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25495 91177308-0d34-0410-b5e6-96231b3b80d8