Commit Graph

276 Commits

Author SHA1 Message Date
Chris Lattner 402a111318 emit instructions through the streamer.
llvm-svn: 95180
2010-02-03 01:15:03 +00:00
Chris Lattner 996ec840d0 rejigger the world so that EmitInstruction prints the \n at
the end of the instruction instead of expecting the caller to
do it.  This currently causes the asm-verbose instruction 
comments to be on the next line.

llvm-svn: 95178
2010-02-03 01:09:55 +00:00
Chris Lattner 41ad1905c9 sink handling of target-independent machine instrs (other
than DEBUG_VALUE :(  ) into the target indep AsmPrinter.cpp
file.   This allows elimination of the 
NO_ASM_WRITER_BOILERPLATE hack among other things.

llvm-svn: 95177
2010-02-03 01:00:52 +00:00
Evan Cheng 6f36a083ef Revert 95130.
llvm-svn: 95160
2010-02-02 23:55:14 +00:00
Chris Lattner b0d44c3807 refactor code so that LLVMTargetMachine creates the asmstreamer and
mccontext instead of having AsmPrinter do it.  This allows other 
types of MCStreamer's to be passed in.

llvm-svn: 95155
2010-02-02 23:37:42 +00:00
Evan Cheng c1b0116ff1 Pass callsite return type to TargetLowering::LowerCall and use that to check sibcall eligibility.
llvm-svn: 95130
2010-02-02 21:29:10 +00:00
Chris Lattner fd97a3369e Switch MSP430, SPU, Sparc, and SystemZ to use EmitFunctionBody().
Diffstat:
 6 files changed, 30 insertions(+), 284 deletions(-)

llvm-svn: 94727
2010-01-28 01:48:52 +00:00
Chris Lattner 94a946cac4 Remove the argument from EmitJumpTableInfo, because it doesn't need it.
Move the X86 implementation of function body emission up to 
AsmPrinter::EmitFunctionBody, which works by calling the virtual
EmitInstruction method.

llvm-svn: 94716
2010-01-28 01:02:27 +00:00
Chris Lattner 80108921be don't emit constant pools twice.
llvm-svn: 94706
2010-01-28 00:15:18 +00:00
Chris Lattner 9da5e1f650 Switch MSP430, CellSPU, SystemZ, Darwin/PPC, Alpha, and Sparc to
EmitFunctionHeader:

7 files changed, 16 insertions(+), 210 deletions(-)

llvm-svn: 94630
2010-01-27 00:17:20 +00:00
Evan Cheng 67a69dd2ed Eliminate target hook IsEligibleForTailCallOptimization.
Target independent isel should always pass along the "tail call" property. Change
target hook LowerCall's parameter "isTailCall" into a refernce. If the target
decides it's impossible to honor the tail call request, it should set isTailCall
to false to make target independent isel happy.

llvm-svn: 94626
2010-01-27 00:07:07 +00:00
Chris Lattner 3ba6da49f5 call emitconstantpool and emitjumptable like other targets.
llvm-svn: 94601
2010-01-26 22:06:58 +00:00
Chris Lattner ff234e09b9 Eliminate SetDirective, and replace it with HasSetDirective.
Default HasSetDirective to true, since most targets have it.

The targets that claim to not have it probably do, or it is
spelled differently. These include Blackfin, Mips, Alpha, and
PIC16.  All of these except pic16 are normal ELF targets, so
they almost certainly have it.

llvm-svn: 94585
2010-01-26 20:40:54 +00:00
Chris Lattner d051af7551 add a new MachineBasicBlock::getSymbol method, replacing
the AsmPrinter::GetMBBSymbol.

llvm-svn: 94515
2010-01-26 04:55:51 +00:00
Chris Lattner 823aed16f9 make -fno-rtti the default unless a directory builds with REQUIRES_RTTI.
llvm-svn: 94378
2010-01-24 20:43:08 +00:00
Chris Lattner 7ba0661f27 Stop building RTTI information for *most* llvm libraries. Notable
missing ones are libsupport, libsystem and libvmcore.  libvmcore is
currently blocked on bugpoint, which uses EH.  Once it stops using
EH, we can switch it off.

This #if 0's out 3 unit tests, because gtest requires RTTI information.
Suggestions welcome on how to fix this.

llvm-svn: 94164
2010-01-22 06:49:46 +00:00
Chris Lattner 2b4364fe03 revert 93934, removing the MCAsmInfo endianness bit. I can't
stomache MCAsmInfo having this, and I found a better solution to
this layering issue.

llvm-svn: 93985
2010-01-20 06:34:14 +00:00
Chris Lattner 003b5c8472 give MCAsmInfo a 'has little endian' bit. This is unfortunate, but
I really want clients of the streamer to be able to say "emit this
64-bit integer" and have it get broken down right by the streamer.

I may change this in the future, we'll see how it works out.

llvm-svn: 93934
2010-01-19 22:42:28 +00:00
Chris Lattner c7a062d187 Now that we have everything nicely factored (e.g. asmprinter is not
doing global variable classification anymore) and hookized, sink almost
all target targets global variable emission code into AsmPrinter and out
of each target.

Some notes:

1. PIC16 does completely custom and crazy stuff, so it is not changed.
2. XCore has some custom handling for extra directives.  I'll look at it next.
3. This switches linux/ppc to use .globl instead of .global.  If .globl is
   actually wrong, let me know and I'll fix it.
4. This makes linux/ppc get a lot of random cases right which were obviously
   wrong before, it is probably now a bit healthier.
5. Blackfin will probably start getting .comm and other things that it didn't
   before.  If this is undesirable, it should explicitly opt out of these
   things by clearing the relevant fields of MCAsmInfo.

This leads to a nice diffstat:
 14 files changed, 127 insertions(+), 830 deletions(-)

llvm-svn: 93858
2010-01-19 05:38:33 +00:00
Chris Lattner c8f7717808 remove the MAI argument to MCExpr::print and switch overthing to use << when printing them.
llvm-svn: 93699
2010-01-18 00:37:40 +00:00
Chris Lattner 8b5d55ed06 now that MCSymbol::print doesn't use it's MAI argument, we can
remove it and change all the code that prints MCSymbols to use 
<< instead, which is much simpler and cleaner.

llvm-svn: 93695
2010-01-17 21:43:43 +00:00
Chris Lattner 94d91a5b30 eliminate uses of mangler and simplify code.
llvm-svn: 93615
2010-01-16 01:40:07 +00:00
Chris Lattner 719e908e7c MCize a bunch more stuff, eliminating a lot of uses of the mangler
and CurrentFnName.

llvm-svn: 93594
2010-01-16 00:21:18 +00:00
Ted Kremenek bda8193caf Update CMake build.
llvm-svn: 93570
2010-01-15 22:59:11 +00:00
Anton Korobeynikov a6450df92a zext / truncate is free on msp430. Inform codegen about this.
llvm-svn: 93556
2010-01-15 21:19:43 +00:00
Anton Korobeynikov ce52fd5f93 Add branch relaxation pass (shamelessly stolen from PPC).
llvm-svn: 93554
2010-01-15 21:19:05 +00:00
Anton Korobeynikov 71471293a5 Provide instruction sizes & encoding. No opcodes yet (but not needed so far).
llvm-svn: 93553
2010-01-15 21:18:39 +00:00
Anton Korobeynikov 93a7d026a8 Enable bit tests and setcc stuff.
llvm-svn: 93552
2010-01-15 21:18:18 +00:00
Anton Korobeynikov 6826ce7e96 Add micro-optimization which allows us to fold imm into cmp. This allows us to save 1 word (sometimes) and reduce register pressure.
llvm-svn: 93551
2010-01-15 21:18:02 +00:00
Anton Korobeynikov e57b234b88 Add instruction formats & support stuff
llvm-svn: 93550
2010-01-15 21:17:13 +00:00
Anton Korobeynikov cefa7addc8 Fix cmp emission on msp430: we definitely should turn stuff like
"icmp lhs, rhs" into "cmp rhs, lhs". This should fix PR5979.

llvm-svn: 93496
2010-01-15 01:29:49 +00:00
Anton Korobeynikov abf4ef0ee1 Remove pseudo-MI in custom inserter.
llvm-svn: 93467
2010-01-14 22:09:11 +00:00
Dan Gohman ea6f91ff64 Change SelectCode's argument from SDValue to SDNode *, to make it more
clear what information these functions are actually using.

This is also a micro-optimization, as passing a SDNode * around is
simpler than passing a { SDNode *, int } by value or reference.

llvm-svn: 92564
2010-01-05 01:24:18 +00:00
Bill Wendling 5dda76ef11 Mark variable used by 'assert' as 'unused'.
llvm-svn: 92198
2009-12-28 02:07:00 +00:00
Bill Wendling 220f4dad9e Remove dead variable.
llvm-svn: 92197
2009-12-28 02:05:36 +00:00
Anton Korobeynikov 3e9e87a9cb Mark FPW as allocable when frame address is taken.
llvm-svn: 91841
2009-12-21 20:18:49 +00:00
John McCall eabfd8b155 Pass the error string directly to llvm_unreachable instead of the residual
(0 && "error").  Rough consensus seems to be that g++ *should* be diagnosing
this because the pointer makes it not an ICE in c++03.  Everyone agrees that
the current standard is silly and null-pointer-ness should not be based on
ICE-ness.  Excellent fight scene in Act II, denouement weak, two stars.

llvm-svn: 91644
2009-12-18 00:27:18 +00:00
Anton Korobeynikov 45800ce646 Do not allow uninitialize access during debug printing
llvm-svn: 91232
2009-12-13 01:00:32 +00:00
Anton Korobeynikov d8f320947f Implement variable-width shifts.
No testcase yet - it seems we're exposing generic codegen bugs.

llvm-svn: 91221
2009-12-12 18:55:37 +00:00
Anton Korobeynikov e27e028cdd Lower setcc branchless, if this is profitable.
Based on the patch by Brian Lucas!

llvm-svn: 91175
2009-12-11 23:01:29 +00:00
Anton Korobeynikov dd2b2f8cba Reduce (cmp 0, and_su (foo, bar)) into (bit foo, bar). This saves extra instruction. Patch inspired by Brian Lucas!
llvm-svn: 90819
2009-12-08 01:03:04 +00:00
Anton Korobeynikov 24a6316aaa Some pretty-printing
llvm-svn: 90742
2009-12-07 02:28:41 +00:00
Anton Korobeynikov ff4ab51400 Add lowering of returnaddr and frameaddr intrinsics. Shamelessly stolen from x86 :)
llvm-svn: 90740
2009-12-07 02:28:10 +00:00
Anton Korobeynikov b4be8ce537 Initial codegen support for MSP430 ISRs
llvm-svn: 90739
2009-12-07 02:27:53 +00:00
Anton Korobeynikov 28d3c733aa Add ability to select hw multiplier mode and select appropriate libcalls.
llvm-svn: 90737
2009-12-07 02:27:08 +00:00
Dan Gohman 047a767d74 Remove the target hook TargetInstrInfo::BlockHasNoFallThrough in favor of
MachineBasicBlock::canFallThrough(), which is target-independent and more
thorough.

llvm-svn: 90634
2009-12-05 00:44:40 +00:00
Chris Lattner a48f44d9ee improve portability to avoid conflicting with std::next in c++'0x.
Patch by Howard Hinnant!

llvm-svn: 90365
2009-12-03 00:50:42 +00:00
Anton Korobeynikov abdf86d2be Minor optimization: when doing eq/ne comparions and RHS is a constant - swap operands, this will allow us to fold imm into comparison.
llvm-svn: 89574
2009-11-22 01:14:08 +00:00
Anton Korobeynikov 3a31644c7a Drop unsupported imm operands
llvm-svn: 89573
2009-11-22 01:13:54 +00:00
Anton Korobeynikov a9c7bb724a Use 2-byte alignment for functions. 4 bytes are clear overkill here.
llvm-svn: 89572
2009-11-22 01:13:39 +00:00