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627 Commits

Author SHA1 Message Date
Anton Korobeynikov
85d6c1ebad Refactoring of formal parameter flags. Enable properly use of 
zext/sext/aext stuff.

llvm-svn: 35008
 2007-03-07 16:25:09 +00:00
Evan Cheng
116f97f2c7 PEI now passes a RegScavenger ptr to eliminateFrameIndex. 
llvm-svn: 34707
 2007-02-28 00:21:17 +00:00
Evan Cheng
da51cf986a By default, spills kills the register being stored. 
llvm-svn: 34515
 2007-02-23 01:10:04 +00:00
Jim Laskey
b57ee1fc37 Simplify lowering and selection of exception ops. 
llvm-svn: 34488
 2007-02-22 14:56:36 +00:00
Jim Laskey
6a937ad320 Support to provide exception and selector registers. 
llvm-svn: 34482
 2007-02-21 22:54:50 +00:00
Evan Cheng
e4ab9c032b Re-apply my liveintervalanalysis changes. Now with PR1207 fixes. 
llvm-svn: 34428
 2007-02-19 21:49:54 +00:00
Reid Spencer
b27fcf3482 For PR1207: 
Revert patches that caused the problem. Evan, please investigate and reapply
when you've discovered the problem.

llvm-svn: 34399
 2007-02-19 03:20:00 +00:00
Evan Cheng
8c2508f1ac Added getReservedRegs(). 
llvm-svn: 34376
 2007-02-17 11:06:00 +00:00
Andrew Lenharth
ed90594898 This was done recently 
llvm-svn: 34338
 2007-02-16 02:11:59 +00:00
Andrew Lenharth
f4bbe64c83 Well this isn't as ugly and it works better. At least gcc bootstraps again 
llvm-svn: 34254
 2007-02-13 23:41:16 +00:00
Andrew Lenharth
fc510fe358 return addresses, those I already have 
llvm-svn: 34056
 2007-02-08 17:37:41 +00:00
Bill Wendling
1620ef9a95 Added new method to add a "simple" code emitter. That is, to only add 
the code emitter and not set variables.

llvm-svn: 34033
 2007-02-08 01:38:33 +00:00
Reid Spencer
19af04a142 For PR1136: Rename GlobalVariable::isExternal as isDeclaration to avoid 
confusion with external linkage types.

llvm-svn: 33663
 2007-01-30 20:08:39 +00:00
Nate Begeman
dc46021355 Finish off bug 680, allowing targets to custom lower frame and return 
address nodes.

llvm-svn: 33636
 2007-01-29 22:58:52 +00:00
Jim Laskey
23ed7d2625 Make LABEL a builtin opcode. 
llvm-svn: 33537
 2007-01-26 14:34:52 +00:00
Andrew Lenharth
42ced99f24 FTOIT and ITOFT are bit converts, and if we drop 21264s, are always available 
llvm-svn: 33492
 2007-01-24 21:09:16 +00:00
Andrew Lenharth
fcb8af0f84 Fix unordered fp on alpha 
llvm-svn: 33487
 2007-01-24 18:43:14 +00:00
Evan Cheng
bfd7e70770 Renamed getTypeAlignmentShift() to getPreferredTypeAlignmentShift(). 
llvm-svn: 33482
 2007-01-24 07:03:39 +00:00
Evan Cheng
b6a4a7f72a PEI is now responsible for adding MaxCallFrameSize to frame size and align the stack. Each target can further adjust the frame size if necessary. 
llvm-svn: 33460
 2007-01-23 09:38:11 +00:00
Evan Cheng
d9d93832b0 hasFP() is now a virtual method of MRegisterInfo. 
llvm-svn: 33455
 2007-01-23 00:57:47 +00:00
Reid Spencer
14b42c0040 For PR1043: 
This is the final patch for this PR. It implements some minor cleanup
in the use of IntegerType, to wit:
1. Type::getIntegerTypeMask -> IntegerType::getBitMask
2. Type::Int*Ty changed to IntegerType* from Type*
3. ConstantInt::getType() returns IntegerType* now, not Type*

This also fixes PR1120.

Patch by Sheng Zhou.

llvm-svn: 33370
 2007-01-19 21:13:56 +00:00
Evan Cheng
bd6a333b52 Fix naming inconsistency. 
llvm-svn: 32823
 2007-01-02 21:33:40 +00:00
Reid Spencer
dda168599d For PR950: 
Three changes:
1. Convert signed integer types to signless versions.
2. Implement the @sext and @zext parameter attributes. Previously the
   type of an function parameter was used to determine whether it should
   be sign extended or zero extended before the call. This information is
   now communicated via the function type's parameter attributes.
3. The interface to LowerCallTo had to be changed in order to accommodate
   the parameter attribute information. Although it would have been
   convenient to pass in the FunctionType itself, there isn't always one
   present in the caller. Consequently, a signedness indication for the
   result type and for each parameter was provided for in the interface
   to this method. All implementations were changed to make the adjustment
   necessary.

llvm-svn: 32788
 2006-12-31 05:55:36 +00:00
Chris Lattner
8896b6cb46 eliminate static ctors for Statistic objects. 
llvm-svn: 32703
 2006-12-19 22:59:26 +00:00
Andrew Lenharth
0b4830a079 Simplify a bit 
llvm-svn: 32343
 2006-12-07 23:55:55 +00:00
Bill Wendling
f13d78d3b8 What should be the last unnecessary <iostream>s in the library. 
llvm-svn: 32333
 2006-12-07 22:21:48 +00:00
Andrew Lenharth
8261b94b09 Be sure to grab weak functions too, and make implicit defs comments 
llvm-svn: 32308
 2006-12-07 17:39:14 +00:00
Chris Lattner
5e09d350aa add #include 
llvm-svn: 32281
 2006-12-06 18:19:53 +00:00
Chris Lattner
a531ce882e Detemplatize the Statistic class. The only type it is instantiated with 
is 'unsigned'.

llvm-svn: 32279
 2006-12-06 17:46:33 +00:00
Evan Cheng
d8be97599a MachineInstr::setOpcode -> MachineInstr::setInstrDescriptor 
llvm-svn: 32034
 2006-11-30 07:12:03 +00:00
Evan Cheng
98fa7ab4d7 Change MachineInstr ctor's to take a TargetInstrDescriptor reference instead 
of opcode and number of operands.

llvm-svn: 31947
 2006-11-27 23:37:22 +00:00
Evan Cheng
2a92afa25d Properly transfer kill / dead info. 
llvm-svn: 31765
 2006-11-15 20:58:11 +00:00
Evan Cheng
0e82270ff2 Matches MachineInstr changes. 
llvm-svn: 31712
 2006-11-13 23:36:35 +00:00
Chris Lattner
13ae6835d9 silence warnings. 
llvm-svn: 31394
 2006-11-03 01:18:29 +00:00
Reid Spencer
4bafa71dc1 For PR786: 
Turn on -Wunused and -Wno-unused-parameter. Clean up most of the resulting
fall out by removing unused variables. Remaining warnings have to do with
unused functions (I didn't want to delete code without review) and unused
variables in generated code. Maintainers should clean up the remaining
issues when they see them. All changes pass DejaGnu tests and Olden.

llvm-svn: 31380
 2006-11-02 20:25:50 +00:00
Andrew Lenharth
c43c2d6966 fix 2006-11-01-vastart.ll 
llvm-svn: 31371
 2006-11-02 03:05:26 +00:00
Andrew Lenharth
92b6c807c7 more shotenning 
llvm-svn: 31331
 2006-10-31 23:46:56 +00:00
Andrew Lenharth
cc672e3b2b Let us play simplify the td file (and fix a few missed sub and mul patterns). 
llvm-svn: 31322
 2006-10-31 19:52:12 +00:00
Andrew Lenharth
c4f8836525 Add all that branch mangling niftiness 
llvm-svn: 31313
 2006-10-31 16:49:55 +00:00
Evan Cheng
5766dd6455 All targets expand BR_JT for now. 
llvm-svn: 31294
 2006-10-30 08:02:39 +00:00
Devang Patel
0691019e12 Move getPreferredAlignmentLog from AsmPrinter to TargetData 
llvm-svn: 31171
 2006-10-24 20:32:14 +00:00
Rafael Espindola
2259fab5cf fix warning about missing newline at end of file 
llvm-svn: 31162
 2006-10-24 17:07:11 +00:00
Chris Lattner
27b79c117a implement uncond branch insertion so alpha works work branchfolding. 
llvm-svn: 31158
 2006-10-24 16:41:36 +00:00
Reid Spencer
d414793dbc For PR950: 
This patch implements the first increment for the Signless Types feature.
All changes pertain to removing the ConstantSInt and ConstantUInt classes
in favor of just using ConstantInt.

llvm-svn: 31063
 2006-10-20 07:07:24 +00:00
Evan Cheng
fe5bb5dbe6 Merge ISD::TRUNCSTORE to ISD::STORE. Switch to using StoreSDNode. 
llvm-svn: 30945
 2006-10-13 21:14:26 +00:00
Chris Lattner
80790cad34 adjcallstack up/down clobbers the sp 
llvm-svn: 30910
 2006-10-12 18:00:14 +00:00
Andrew Lenharth
55db991b47 Reduce the amount of state in the lowering code and drop old pattern ISel functions 
llvm-svn: 30881
 2006-10-11 16:24:51 +00:00
Chris Lattner
b9c1ea6dcc Use cute tblgen tricks to make zap handling more powerful. Specifically, 
when the dag combiner simplifies an and mask, notice this and allow those bits
to be missing from the zap mask.

This compiles Alpha/zapnot4.ll into:

        sll $16,3,$0
        zapnot $0,3,$0
        ret $31,($26),1

instead of:

        ldah $0,1($31)
        lda $0,-8($0)
        sll $16,3,$1
        and $1,$0,$0
        ret $31,($26),1

It would be *really* nice to replace the hunk of code in the
AlphaISelDAGToDAG.cpp file that matches (and (srl (x, C), c2) into
(SRL (ZAPNOTi)) with a similar pattern, but I've spent enough time poking
at alpha.  Make andrew will do this.

llvm-svn: 30875
 2006-10-11 05:13:56 +00:00
Andrew Lenharth
4b783303e5 Jimptables working again on alpha. 
As a bonus, use the GOT node instead of the AlphaISD::GOT for internal stuff.

llvm-svn: 30873
 2006-10-11 04:29:42 +00:00
Chris Lattner
95a8905db2 Remove dead/redundant instructions. These are handled by ZAPNOTi 
llvm-svn: 30872
 2006-10-11 04:12:39 +00:00
Andrew Lenharth
7a79f1df15 This entry is done. switched to the gcc way of doing things. 
llvm-svn: 30867
 2006-10-11 01:48:03 +00:00
Chris Lattner
4be8276d27 This has apparently been fixed 
llvm-svn: 30864
 2006-10-11 01:44:46 +00:00
Evan Cheng
d22f3dd3ed Reflects ISD::LOAD / ISD::LOADX / LoadSDNode changes. 
llvm-svn: 30844
 2006-10-09 20:57:25 +00:00
Chris Lattner
f5b9b4a4b2 Set the jt section 
llvm-svn: 30781
 2006-10-06 22:52:33 +00:00
Chris Lattner
2ca01febcf Alpha uses a got 
llvm-svn: 30778
 2006-10-06 22:46:51 +00:00
Evan Cheng
275825195a Make use of getStore(). 
llvm-svn: 30759
 2006-10-05 23:01:46 +00:00
Chris Lattner
08da1a510d Don't bother setting JumpTableTextSection, it is about to disappear 
llvm-svn: 30745
 2006-10-05 03:13:59 +00:00
Chris Lattner
068190eb91 Pass the MachineFunction into EmitJumpTableInfo. 
llvm-svn: 30742
 2006-10-05 03:01:21 +00:00
Chris Lattner
a293b73042 use getSectionForFunction to decide which section to emit code into 
llvm-svn: 30738
 2006-10-05 02:47:13 +00:00
Evan Cheng
494e8e6971 Combine ISD::EXTLOAD, ISD::SEXTLOAD, ISD::ZEXTLOAD into ISD::LOADX. Add an 
extra operand to LOADX to specify the exact value extension type.

llvm-svn: 30714
 2006-10-04 00:56:09 +00:00
Andrew Lenharth
55851a4bfd Fix jump tables to match gcc (and the ABI and whatnot) 
llvm-svn: 30594
 2006-09-24 19:46:56 +00:00
Andrew Lenharth
f6b4462853 jump table note 
llvm-svn: 30591
 2006-09-24 13:13:10 +00:00
Andrew Lenharth
ce3954cac0 Account for pseudo-ops correctly 
llvm-svn: 30548
 2006-09-20 20:08:52 +00:00
Andrew Lenharth
d12f2d614a catch constants more often 
llvm-svn: 30534
 2006-09-20 15:05:49 +00:00
Andrew Lenharth
3be0c58274 clarify with test case 
llvm-svn: 30531
 2006-09-20 14:48:00 +00:00
Andrew Lenharth
2ccefe5b91 Add Note 
llvm-svn: 30530
 2006-09-20 14:40:01 +00:00
Andrew Lenharth
6d43749a47 A pass to remove the worst of the replay trap offenders, and as a bonus, align basic blocks when it is free to do so 
llvm-svn: 30467
 2006-09-18 19:44:29 +00:00
Andrew Lenharth
5d958d3405 Jump tables on Alpha 
llvm-svn: 30463
 2006-09-18 18:01:03 +00:00
Anton Korobeynikov
6e19f80688 Adding dllimport, dllexport and external weak linkage types. 
DLL* linkages got full (I hope) codegeneration support in C & both x86
assembler backends.
External weak linkage added for future use, we don't provide any
codegeneration, etc. support for it.

llvm-svn: 30374
 2006-09-14 18:23:27 +00:00
Evan Cheng
dd52a60189 Reflects MachineConstantPoolEntry changes. 
llvm-svn: 30279
 2006-09-12 21:04:05 +00:00
Jim Laskey
160a8aa339 1. Remove condition on delete. 
2. Protect and outline createTargetAsmInfo.

3. Misc. kruft.

llvm-svn: 30169
 2006-09-07 23:39:26 +00:00
Jim Laskey
9da25f6119 Make target asm info a property of the target machine. 
llvm-svn: 30162
 2006-09-07 22:06:40 +00:00
Jim Laskey
a64fe8ccf2 Break out target asm info into separate files. 
llvm-svn: 30161
 2006-09-07 22:05:02 +00:00
Jim Laskey
6b86ef852c Separate target specific asm properties from the asm printers. 
llvm-svn: 30126
 2006-09-06 18:34:40 +00:00
Chris Lattner
9cd4e3429e Completely eliminate def&use operands. Now a register operand is EITHER a 
def operand or a use operand.

llvm-svn: 30109
 2006-09-05 02:31:13 +00:00
Andrew Lenharth
a0e57603f0 jmp_bufs are this big on alpha. 
llvm-svn: 30107
 2006-09-05 00:22:25 +00:00
Chris Lattner
33c9ddc91d Completely rearchitect the interface between targets and the pass manager. 
This pass:

1. Splits TargetMachine into TargetMachine (generic targets, can be implemented
any way, like the CBE) and LLVMTargetMachine (subclass of TM that is used by
things using libcodegen and other support).
2. Instead of having each target fully populate the passmgr for file or JIT
   output, move all this to common code, and give targets hooks they can
   implement.
3. Commonalize the target population stuff between file emission and JIT
   emission.
4. All (native code) codegen stuff now happens in a FunctionPassManager, which
   paves the way for "fast -O0" stuff in the CFE later, and now LLC could
   lazily stream .bc files from disk to use less memory.
5. There are now many fewer #includes and the targets don't depend on the
   scalar xforms or libanalysis anymore (but codegen does).
6. Changing common code generator pass ordering stuff no longer requires
   touching all targets.
7. The JIT now has the option of "-fast" codegen or normal optimized codegen,
   which is now orthogonal to the fact that JIT'ing is being done.

llvm-svn: 30081
 2006-09-04 04:14:57 +00:00
Chris Lattner
fb12884be6 Simplify target construction. 
llvm-svn: 30070
 2006-09-03 18:44:02 +00:00
Evan Cheng
a6f81f1863 Do not use getTargetNode() and SelectNodeTo() which takes more than 3 
SDOperand arguments. Use the variants which take an array and number instead.

llvm-svn: 29907
 2006-08-27 08:14:06 +00:00
Evan Cheng
1c3d571e4b SelectNodeTo now returns a SDNode*. 
llvm-svn: 29901
 2006-08-26 08:00:10 +00:00
Evan Cheng
2db7799507 Select() no longer require Result operand by reference. 
llvm-svn: 29898
 2006-08-26 05:34:46 +00:00
Evan Cheng
b246ad7b2f Match tblgen changes. 
llvm-svn: 29895
 2006-08-26 01:07:58 +00:00
Chris Lattner
db290f7479 Constify some methods. Patch provided by Anton Vayvod, thanks! 
llvm-svn: 29756
 2006-08-17 22:00:08 +00:00
Evan Cheng
7fb75bbc8d SelectNodeTo() may return a SDOperand that is different from the input. 
llvm-svn: 29726
 2006-08-16 07:30:09 +00:00
Chris Lattner
8ca6e82bce Eliminate use of getNode that takes a vector. 
llvm-svn: 29614
 2006-08-11 17:38:39 +00:00
Chris Lattner
4764bb3834 eliminate use of getNode that takes vector<SDOperand>. Wrap a really long line. 
llvm-svn: 29610
 2006-08-11 17:19:54 +00:00
Evan Cheng
6053206580 Match tablegen changes. 
llvm-svn: 29604
 2006-08-11 09:08:15 +00:00
Evan Cheng
34a49551f5 CALLSEQ_* produces chain even if that's not needed. 
llvm-svn: 29603
 2006-08-11 09:03:33 +00:00
Evan Cheng
d18be1d9c1 Match tablegen isel changes. 
llvm-svn: 29549
 2006-08-07 22:28:20 +00:00
Evan Cheng
7e30f4efe7 Remove a duplicate pattern/ 
llvm-svn: 29413
 2006-07-31 18:42:49 +00:00
Evan Cheng
3b5f1c6248 Remove InFlightSet hack. No longer needed. 
llvm-svn: 29373
 2006-07-28 00:47:19 +00:00
Evan Cheng
4ceeac4159 Resolve BB references with relocation. 
llvm-svn: 29351
 2006-07-27 18:21:10 +00:00
Evan Cheng
beeb4e5c8c - Refactor the code that resolve basic block references to a TargetJITInfo 
method.
- Added synchronizeICache() to TargetJITInfo. It is called after each block
  of code is emitted to flush the icache. This ensures correct execution
  on targets that have separate dcache and icache.
- Added PPC / Mac OS X specific code to do icache flushing.

llvm-svn: 29276
 2006-07-25 20:40:54 +00:00
Jim Laskey
4c0d841280 Ensure that dump calls that are associated with asserts are removed from 
non-debug build.

llvm-svn: 29105
 2006-07-11 17:58:07 +00:00
Andrew Lenharth
9ea557b06b These are already implemented 
llvm-svn: 28990
 2006-07-03 18:00:29 +00:00
Andrew Lenharth
98f5e9c45a 0 offsets for memory operands 
llvm-svn: 28989
 2006-07-03 17:57:34 +00:00
Andrew Lenharth
ae9cbe3545 this case isn't handled 
llvm-svn: 28948
 2006-06-27 23:19:14 +00:00
Andrew Lenharth
e75c2ec042 Add memory operand and int regs 
llvm-svn: 28896
 2006-06-21 15:42:36 +00:00
Andrew Lenharth
f794ded743 inline asm, at least for floats 
llvm-svn: 28895
 2006-06-21 13:37:27 +00:00
Andrew Lenharth
78e0cc794f fix argument problem 
llvm-svn: 28893
 2006-06-21 01:00:43 +00:00
Chris Lattner
6a9ec7e80e Don't pass target name into TargetData anymore, it is never used or needed. 
Remove explicit casts to std::string now that there is no overload resolution
issues in the TargetData ctors.

llvm-svn: 28830
 2006-06-16 18:22:52 +00:00
Andrew Lenharth
2263835c1d I am sure I had commited this workaround before. Perhaps soon I should sort it all out 
llvm-svn: 28772
 2006-06-13 20:34:47 +00:00
Andrew Lenharth
a903a21a85 It really helps to be returning to the correct place 
llvm-svn: 28769
 2006-06-13 18:27:39 +00:00
Andrew Lenharth
fe127f3de7 Let the alpha breakage begin. First Formals and RET. next Calls 
llvm-svn: 28753
 2006-06-12 18:09:24 +00:00
Andrew Lenharth
813c3dcf58 ignore ordered/unordered for now 
llvm-svn: 28679
 2006-06-04 00:25:51 +00:00
Evan Cheng
de0f25081a Change RET node to include signness information of the return values. i.e. 
RET chain, value1, sign1, value2, sign2, ...

llvm-svn: 28510
 2006-05-26 23:10:12 +00:00
Evan Cheng
09942d3f8b Assert if InflightSet is not cleared after instruction selecting a BB. 
llvm-svn: 28459
 2006-05-25 00:24:28 +00:00
Evan Cheng
b040dd86af Clear HandleMap and ReplaceMap after instruction selection. Or it may cause 
non-deterministic behavior.

llvm-svn: 28454
 2006-05-24 20:46:25 +00:00
Chris Lattner
f604017e47 Patches to make the LLVM sources more -pedantic clean. Patch provided 
by Anton Korobeynikov!  This is a step towards closing PR786.

llvm-svn: 28447
 2006-05-24 17:04:05 +00:00
Owen Anderson
c6947bf2ce Make all of the TargetMachine subclasses use the new string TargetData methods. 
This is part of the on-going work on PR 761.

llvm-svn: 28414
 2006-05-20 00:24:56 +00:00
Andrew Lenharth
3ae8eaba1a Fix a bogus gcc warning 
llvm-svn: 28382
 2006-05-18 17:29:34 +00:00
Evan Cheng
667b133ab9 getCalleeSaveRegs and getCalleeSaveRegClasses are no long TableGen'd. 
llvm-svn: 28378
 2006-05-18 00:12:58 +00:00
Evan Cheng
ea24815aa3 Remove PointerType from class Target 
llvm-svn: 28368
 2006-05-17 21:20:27 +00:00
Andrew Lenharth
595187964b Fix call_adj.ll 
llvm-svn: 28360
 2006-05-17 19:24:49 +00:00
Andrew Lenharth
1b6c7f28f7 Added sanity check for obviously bogus immediates 
llvm-svn: 28359
 2006-05-17 19:24:31 +00:00
Andrew Lenharth
14504c85ed Move this code to a common place 
llvm-svn: 28329
 2006-05-16 17:42:15 +00:00
Chris Lattner
f741502e85 remove dead variable. 
llvm-svn: 28258
 2006-05-12 18:17:25 +00:00
Owen Anderson
29e4d70aed Refactor a bunch of includes so that TargetMachine.h doesn't have to include 
TargetData.h.  This should make recompiles a bit faster with my current
TargetData tinkering.

llvm-svn: 28238
 2006-05-12 06:33:49 +00:00
Chris Lattner
f45b6d5c08 Split SwitchSection into SwitchTo{Text|Data}Section methods. 
llvm-svn: 28184
 2006-05-09 04:59:56 +00:00
Chris Lattner
eb41c99161 Rename MO_VirtualRegister -> MO_Register. Clean up immediate handling. 
llvm-svn: 28104
 2006-05-04 18:05:43 +00:00
Chris Lattner
685568510a Move some methods out of MachineInstr into MachineOperand 
llvm-svn: 28102
 2006-05-04 17:52:23 +00:00
Chris Lattner
97f1af2f14 There shalt be only one "immediate" operand type! 
llvm-svn: 28099
 2006-05-04 17:21:20 +00:00
Chris Lattner
c779fca289 Remove a bunch more SparcV9 specific stuff 
llvm-svn: 28093
 2006-05-04 01:15:02 +00:00
Chris Lattner
ed58ec2a57 Remove some more V9-specific stuff. 
llvm-svn: 28092
 2006-05-04 00:49:59 +00:00
Chris Lattner
0f89e6b11d Remove some more unused stuff from MachineInstr that was leftover from V9. 
llvm-svn: 28091
 2006-05-04 00:44:25 +00:00
Chris Lattner
f89e1162ad Change from using MachineRelocation ctors to using static methods 
in MachineRelocation to create Relocations.

llvm-svn: 28088
 2006-05-03 20:30:20 +00:00
Chris Lattner
d36b66d6dc Suck block address tracking out of targets into the JIT Emitter. This 
simplifies the MachineCodeEmitter interface just a little bit and makes
BasicBlocks work like constant pools and jump tables.

llvm-svn: 28082
 2006-05-03 17:10:41 +00:00
Owen Anderson
71bc529dfa Refactor TargetMachine, pushing handling of TargetData into the target-specific subclasses. This has one caller-visible change: getTargetData() now returns a pointer instead of a reference. 
This fixes PR 759.

llvm-svn: 28074
 2006-05-03 01:29:57 +00:00
Chris Lattner
28ac95615b Keep the alpha JIT similar to the PPC/X86 jits 
llvm-svn: 28068
 2006-05-03 00:31:21 +00:00
Chris Lattner
2bf37af52d Several related changes: 
1. Change several methods in the MachineCodeEmitter class to be pure virtual.
2. Suck emitConstantPool/initJumpTableInfo into startFunction, removing them
   from the MachineCodeEmitter interface, and reducing the amount of target-
   specific code.
3. Change the JITEmitter so that it allocates constantpools and jump tables
   *right* next to the functions that they belong to, instead of in a separate
   pool of memory.  This makes all memory for a function be contiguous, and
   means the JITEmitter only tracks one block of memory now.

llvm-svn: 28065
 2006-05-02 23:22:24 +00:00
Chris Lattner
d100478886 Fix a purely hypothetical problem (for now): emitWord emits in the host 
byte format.  This doesn't work when using the code emitter in a cross target
environment.  Since the code emitter is only really used by the JIT, this
isn't a current problem, but if we ever start emitting .o files, it would be.

llvm-svn: 28060
 2006-05-02 19:14:47 +00:00
Chris Lattner
055baf5c7b Refactor the machine code emitter interface to pull the pointers for the current 
code emission location into the base class, instead of being in the derived classes.

This change means that low-level methods like emitByte/emitWord now are no longer
virtual (yaay for speed), and we now have a framework to support growable code
segments.  This implements feature request #1 of PR469.

llvm-svn: 28059
 2006-05-02 18:27:26 +00:00
Nate Begeman
05174045df Extend printBasicBlockLabel a bit so that it can be used to print all 
basic block labels, consolidating the code to do so in one place for each
target.

llvm-svn: 28050
 2006-05-02 05:37:32 +00:00
Nate Begeman
7ed816f900 JumpTable support! What this represents is working asm and jit support for 
x86 and ppc for 100% dense switch statements when relocations are non-PIC.
This support will be extended and enhanced in the coming days to support
PIC, and less dense forms of jump tables.

llvm-svn: 27947
 2006-04-22 18:53:45 +00:00
Nate Begeman
6cdc599d05 Disable switch lowering for targets based on the selection dag isel, 
letting the code generator handle them directly.

llvm-svn: 27539
 2006-04-08 19:46:55 +00:00
Reid Spencer
ba94a925b9 Initialize SDOperand values because the gcc 4.0.2 compiler complains about 
them.

llvm-svn: 27534
 2006-04-08 05:38:03 +00:00
Jim Laskey
b93bc75add Foundation for call frame information. 
llvm-svn: 27491
 2006-04-07 16:34:46 +00:00
Andrew Lenharth
892b890d6a This may be overconservative, but it lets the new cfe compile 
llvm-svn: 27471
 2006-04-06 23:18:45 +00:00
Andrew Lenharth
95d16ade31 fix some linking problems with the new gcc 
llvm-svn: 27460
 2006-04-06 21:26:32 +00:00
Andrew Lenharth
4760eaae91 support x * (c1 + c2) where c1 and c2 are pow2s. special case for c2 == 4 
llvm-svn: 27370
 2006-04-03 04:19:17 +00:00
Andrew Lenharth
af4a638eab mul by const conversion sequences. more coming soon 
llvm-svn: 27368
 2006-04-03 03:18:59 +00:00
Andrew Lenharth
4c950de4c1 This makes McCat/12-IOtest go 8x faster or so 
llvm-svn: 27363
 2006-04-02 21:08:39 +00:00
Andrew Lenharth
067eaad4d9 This will be needed soon 
llvm-svn: 27362
 2006-04-02 20:13:57 +00:00
Jim Laskey
eb38a3e83a Expose base register for DwarfWriter. Refactor code accordingly. 
llvm-svn: 27225
 2006-03-28 13:48:33 +00:00
Jim Laskey
8688957c53 Translate llvm target registers to dwarf register numbers properly. 
llvm-svn: 27180
 2006-03-27 20:18:45 +00:00
Chris Lattner
e199d55073 #include Intrinsics.h into all dag isels 
llvm-svn: 27109
 2006-03-25 06:47:10 +00:00
Jim Laskey
1716e53341 Add dwarf register numbering to register data. 
llvm-svn: 27081
 2006-03-24 21:15:58 +00:00
Jim Laskey
cec9c18c62 Add support to locate local variables in frames (early version.) 
llvm-svn: 26994
 2006-03-23 18:12:57 +00:00
Chris Lattner
89e0790edb Eliminate IntrinsicLowering from TargetMachine. 
Make the CBE and V9 backends create their own, since they're the only ones that use it.

llvm-svn: 26974
 2006-03-23 05:43:16 +00:00
Nate Begeman
42736d46b2 Remove BRTWOWAY* 
Make the PPC backend not dependent on BRTWOWAY_CC and make the branch
selector smarter about the code it generates, fixing a case in the
readme.

llvm-svn: 26814
 2006-03-17 01:40:33 +00:00