implement stacksave/stackrestore on PPC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25277 91177308-0d34-0410-b5e6-96231b3b80d8

If a target specified a stack pointer with setStackPointerRegisterToSaveRestore,
lower STACKSAVE/STACKRESTORE into a copy from/to that register.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25276 91177308-0d34-0410-b5e6-96231b3b80d8

Provide an interface for Targets to specify their stack pointer register
for llvm.stacksave/restore.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25275 91177308-0d34-0410-b5e6-96231b3b80d8

don't be a doofus - this fixes storing bools

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25274 91177308-0d34-0410-b5e6-96231b3b80d8

Compile llvm.stacksave/restore into STACKSAVE/STACKRESTORE nodes, and allow
targets to custom expand them as they desire.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25273 91177308-0d34-0410-b5e6-96231b3b80d8

expand unsupported stacksave/stackrestore nodes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25272 91177308-0d34-0410-b5e6-96231b3b80d8

new nodes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25271 91177308-0d34-0410-b5e6-96231b3b80d8

add stacksave/stackrestore nodes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25270 91177308-0d34-0410-b5e6-96231b3b80d8

testcase for the llvm.stacksave/llvm.stackrestore intrinsics.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25269 91177308-0d34-0410-b5e6-96231b3b80d8

Add "support" for stacksave/stackrestore to the dag isel

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25268 91177308-0d34-0410-b5e6-96231b3b80d8

Add "support" for the llvm.stacksave/stackrestore intrinsics, this is
used by the C backend.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25267 91177308-0d34-0410-b5e6-96231b3b80d8

Add recognition and verification of new llvm.stacksave/llvm.stackrestore intrinsics

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25266 91177308-0d34-0410-b5e6-96231b3b80d8

add new llvm.stacksave/llvm.stackrestore intrinsics

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25265 91177308-0d34-0410-b5e6-96231b3b80d8

Add llvm.stacksave and llvm.stackrestore.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25264 91177308-0d34-0410-b5e6-96231b3b80d8

Minor update.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25263 91177308-0d34-0410-b5e6-96231b3b80d8

void* is not legal in LLVM.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25262 91177308-0d34-0410-b5e6-96231b3b80d8

More typo's. I need new eye glasses...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25261 91177308-0d34-0410-b5e6-96231b3b80d8

Oops. Typo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25260 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a SETCC / BRCOND folding bug.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25259 91177308-0d34-0410-b5e6-96231b3b80d8

Test case for a SETCC / BRCOND folding bug.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25258 91177308-0d34-0410-b5e6-96231b3b80d8

Fix sint_to_fp (fild*) support.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25257 91177308-0d34-0410-b5e6-96231b3b80d8

Add a simple missing fold to produce this:

        subfic r3, r2, 33

instead of this:

        subfic r2, r2, 32
        addi r3, r2, 1

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25255 91177308-0d34-0410-b5e6-96231b3b80d8

Specify transformation from GlobalAddress to TargetGlobalAddress and
ExternalSymbol to TargetExternalSymbol.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25253 91177308-0d34-0410-b5e6-96231b3b80d8

Allow transformation from GlobalAddress to TargetGlobalAddress and
ExternalSymbol to TargetExternalSymbol.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25252 91177308-0d34-0410-b5e6-96231b3b80d8

If using __main, emit global ctor/dtor list like any other global

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25251 91177308-0d34-0410-b5e6-96231b3b80d8

Don't create rotate instructions in unsupported types, because we don't have
promote/expand code yet.  This fixes the 177.mesa failure on PPC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25250 91177308-0d34-0410-b5e6-96231b3b80d8

Fix branches on FP compares

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25249 91177308-0d34-0410-b5e6-96231b3b80d8

Patch #10 from Saem:
"Extracts a few more methods, reduces some redundancy in the code at
the same time."

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25248 91177308-0d34-0410-b5e6-96231b3b80d8

X86ISD::SETCC (e.g. SETEr) produces a flag (so multiple SETCC can be
linked together).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25247 91177308-0d34-0410-b5e6-96231b3b80d8

* Materialize GlobalAddress and ExternalSym with MOV32ri rather than
  LEA32r.
* Do not lower GlobalAddress to TargetGlobalAddress. Let isel does it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25246 91177308-0d34-0410-b5e6-96231b3b80d8

GlobalAddress -> TargetGlobalAddress; ExternalSymbol -> TargetExternalSymbol

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25245 91177308-0d34-0410-b5e6-96231b3b80d8

fix a bug in my previous checkin

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25244 91177308-0d34-0410-b5e6-96231b3b80d8

Give V8ISD nodes symbolic names in dumps

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25243 91177308-0d34-0410-b5e6-96231b3b80d8

Convert the verifier over to use ETForest instead of DominatorSet.  Patch
by Daniel Berlin

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25242 91177308-0d34-0410-b5e6-96231b3b80d8

sabre's (correct) fix means these guys need to be flagged as well (else
the scheduler will complain)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25241 91177308-0d34-0410-b5e6-96231b3b80d8

verily, sabre did leave

and yea! Saem said "ARRR."

meanwhile, the pinksias and the campfires and the ET forests glowed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25240 91177308-0d34-0410-b5e6-96231b3b80d8

ahem :)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25239 91177308-0d34-0410-b5e6-96231b3b80d8

these cases are autogenerated

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25238 91177308-0d34-0410-b5e6-96231b3b80d8

remove dead code

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25237 91177308-0d34-0410-b5e6-96231b3b80d8

Goodbye PPC pattern isel.  You have served us well, but it is now time for
you to ride off into the sunset.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25236 91177308-0d34-0410-b5e6-96231b3b80d8

Fix an itanium call lowering bug for duraid

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25235 91177308-0d34-0410-b5e6-96231b3b80d8

invert the sense of this switch and its name

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25234 91177308-0d34-0410-b5e6-96231b3b80d8

Missed a spot.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25233 91177308-0d34-0410-b5e6-96231b3b80d8

Added ROTL and ROTR.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25232 91177308-0d34-0410-b5e6-96231b3b80d8

Fix an off-by-one error that Nate's eagle eyes caught

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25231 91177308-0d34-0410-b5e6-96231b3b80d8

Use the auto-insert BuildMI constructor to avoid an explicit insert.  No
functionality change, just code cleanup.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25230 91177308-0d34-0410-b5e6-96231b3b80d8

If a function has a non-zero sized frame, use an add to adjust the stack
pointer in the epilog, not a load.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25229 91177308-0d34-0410-b5e6-96231b3b80d8

Add testcase for rotate by register and rotate by immediate

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25228 91177308-0d34-0410-b5e6-96231b3b80d8

Some minor fixes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25227 91177308-0d34-0410-b5e6-96231b3b80d8

Support for MEMCPY and MEMSET.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25226 91177308-0d34-0410-b5e6-96231b3b80d8

Select DYNAMIC_STACKALLOC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25225 91177308-0d34-0410-b5e6-96231b3b80d8

Allow custom lowering of DYNAMIC_STACKALLOC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25224 91177308-0d34-0410-b5e6-96231b3b80d8

ignore register #0

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25223 91177308-0d34-0410-b5e6-96231b3b80d8

Add bswap, rotl, and rotr nodes
Add dag combiner code to recognize rotl, rotr
Add ppc code to match rotl

Targets should add rotl/rotr patterns if they have them

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25222 91177308-0d34-0410-b5e6-96231b3b80d8

Fix calls that need to store values in stack slots, to not copy the stack
pointer.  This allows us to emit stuff like this:

        li r10, 0
        stw r10, 56(r1)
        or r3, r10, r10
        or r4, r10, r10
        or r5, r10, r10
        or r6, r10, r10
        or r7, r10, r10
        or r8, r10, r10
        or r9, r10, r10
        bl L_bar$stub

instead of this:

        or r2, r1, r1     ;; Extraneous copy.
        li r10, 0
        stw r10, 56(r2)
        or r3, r10, r10
        or r4, r10, r10
        or r5, r10, r10
        or r6, r10, r10
        or r7, r10, r10
        or r8, r10, r10
        or r9, r10, r10
        bl L_bar$stub

wowness.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25221 91177308-0d34-0410-b5e6-96231b3b80d8

tblgen does this now

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25220 91177308-0d34-0410-b5e6-96231b3b80d8

This is no longer needed

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25219 91177308-0d34-0410-b5e6-96231b3b80d8

Always select target registers to themselves

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25218 91177308-0d34-0410-b5e6-96231b3b80d8

Dead FP arguments still use an incoming FP reg.  This fixes
Regression/CodeGen/PowerPC/2006-01-11-darwin-fp-argument.ll, which was
distilled from a miscompilation in 252.eon.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25217 91177308-0d34-0410-b5e6-96231b3b80d8

Testcase the PPC backend is miscompiling.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25216 91177308-0d34-0410-b5e6-96231b3b80d8

Visual Studio is feeling left out again.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25215 91177308-0d34-0410-b5e6-96231b3b80d8

Fix VC++ compilation error.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25214 91177308-0d34-0410-b5e6-96231b3b80d8

Patch #9 from Saem:

"Cut up the runPasses method into smaller pieces.  The small private
helpers should  be easier to deal with when code shuffling arising
from creating the new specialised batchers, not to mention, they're
much easier to understand.

I inlined them, in case function call overhead would be noticeable --
doubtful."

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25213 91177308-0d34-0410-b5e6-96231b3b80d8

Use Evan's outflag stuff to implement V8cmpicc.  This allows us to write a
pattern for SUBCCrr, and makes it trivial to add support for SUBCCri, eliminating
an instruction in the common "setcc X, imm" case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25212 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a bug in i32->f64 conversion lowering

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25211 91177308-0d34-0410-b5e6-96231b3b80d8

Unbreak ret void   :-/

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25210 91177308-0d34-0410-b5e6-96231b3b80d8

Write this pattern in canonical form, allowing more patterns to match.
This implements Regression/CodeGen/SparcV8/xnor.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25209 91177308-0d34-0410-b5e6-96231b3b80d8

catch all forms of xnor

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25208 91177308-0d34-0410-b5e6-96231b3b80d8

* Add special entry code main() (to set x87 to 64-bit precision).
* Allow a register node as SelectAddr() base.
* ExternalSymbol -> TargetExternalSymbol as direct function callee.
* Use X86::ESP register rather than CopyFromReg(X86::ESP) as stack ptr for
  call parmater passing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25207 91177308-0d34-0410-b5e6-96231b3b80d8

Simple is good.  CVS is for revision control, not file headers

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25206 91177308-0d34-0410-b5e6-96231b3b80d8

Simple is good

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25205 91177308-0d34-0410-b5e6-96231b3b80d8

Simple is good, CVS log is for history, not the silly credits block

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25204 91177308-0d34-0410-b5e6-96231b3b80d8

Preserve and update ETForest.  Patch by Daniel Berlin

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25203 91177308-0d34-0410-b5e6-96231b3b80d8

Switch these to using ETForest instead of DominatorSet to compute itself.
Patch written by Daniel Berlin!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25202 91177308-0d34-0410-b5e6-96231b3b80d8

Switch this to using ETForest instead of DominatorSet to compute itself.
Patch written by Daniel Berlin!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25201 91177308-0d34-0410-b5e6-96231b3b80d8

Switch loopinfo to using ETForest instead of DominatorSet to compute itself.Patch by Daniel Berlin!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25200 91177308-0d34-0410-b5e6-96231b3b80d8

Switch loopinfo to using ETForest instead of DominatorSet to compute itself.
Patch by Daniel Berlin!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25199 91177308-0d34-0410-b5e6-96231b3b80d8

cleanup GETFD

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25198 91177308-0d34-0410-b5e6-96231b3b80d8

this pattern was bogus

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25197 91177308-0d34-0410-b5e6-96231b3b80d8

Regenerate these files.  FreeBSD apparently has issues with the version of
lex/bison Rob used.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25196 91177308-0d34-0410-b5e6-96231b3b80d8

this just might work

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25195 91177308-0d34-0410-b5e6-96231b3b80d8

Emit an error instead of an assertion if trying to do bogus things in result patterns.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25194 91177308-0d34-0410-b5e6-96231b3b80d8

add support for selecting bools

FIXME: this is commented out because it makes tblgen go a bit fruity

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25193 91177308-0d34-0410-b5e6-96231b3b80d8

implement FP_REG_KILL insertion for the dag-dag instruction selector

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25192 91177308-0d34-0410-b5e6-96231b3b80d8

Fit into 80 cols

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25191 91177308-0d34-0410-b5e6-96231b3b80d8

SSE cmov support.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25190 91177308-0d34-0410-b5e6-96231b3b80d8

* fp to sint patterns.
* fiadd, fisub, etc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25189 91177308-0d34-0410-b5e6-96231b3b80d8

FP_TO_INT*_IN_MEM and x87 FP Select support.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25188 91177308-0d34-0410-b5e6-96231b3b80d8

Added constant folding support for the extractelement operation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25187 91177308-0d34-0410-b5e6-96231b3b80d8

new testcase for extractelement instruction

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25186 91177308-0d34-0410-b5e6-96231b3b80d8

silence a bogus warning

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25185 91177308-0d34-0410-b5e6-96231b3b80d8

silence a warning

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25184 91177308-0d34-0410-b5e6-96231b3b80d8

Expanded the documentation for constant expressions to cover select
and extractelement.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25183 91177308-0d34-0410-b5e6-96231b3b80d8

Int immediate loading fix

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25182 91177308-0d34-0410-b5e6-96231b3b80d8

Added support for the extractelement operation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25181 91177308-0d34-0410-b5e6-96231b3b80d8

Added lower packed support for the extractelement operation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25180 91177308-0d34-0410-b5e6-96231b3b80d8

Added selection DAG support for the extractelement operation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25179 91177308-0d34-0410-b5e6-96231b3b80d8

Added bytecode support for the extractelement operation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25178 91177308-0d34-0410-b5e6-96231b3b80d8

Added lexer and parser support for the extractelement operation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25177 91177308-0d34-0410-b5e6-96231b3b80d8

Added an instruction and constant expression for the extractelement
operation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25176 91177308-0d34-0410-b5e6-96231b3b80d8