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634 Commits

Author SHA1 Message Date
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
Andrew Lenharth
bbf38867f2 these are copies too 
llvm-svn: 26653
 2006-03-09 18:18:51 +00:00
Chris Lattner
e93eeb189f remove some now-dead code 
llvm-svn: 26652
 2006-03-09 18:07:49 +00:00
Andrew Lenharth
f124519fc8 fcopysign for mixed mode 
llvm-svn: 26651
 2006-03-09 17:56:33 +00:00
Andrew Lenharth
e08d165146 alpha and llvm have different oppinions on which arg is the sign bit 
llvm-svn: 26647
 2006-03-09 17:41:50 +00:00
Andrew Lenharth
25de2846c5 Alpha Scheduling classes 
llvm-svn: 26643
 2006-03-09 17:16:45 +00:00
Andrew Lenharth
c180d749a2 fcopysign and get rid of dsnode cruft. custom PA runtimes make this better in some senses 
llvm-svn: 26641
 2006-03-09 14:58:25 +00:00
Chris Lattner
125881e75b Add support for 'special' llvm globals like debug info and static ctors/dtors. 
llvm-svn: 26628
 2006-03-09 06:14:35 +00:00
Chris Lattner
6b0947c277 Copysign needs to be expanded everywhere. Note that Alpha and IA64 should 
implement copysign as a native op if they have it.

llvm-svn: 26541
 2006-03-05 05:08:37 +00:00
Jim Laskey
98bb365444 Removed dependency on how operands are printed (want multi-line.) 
llvm-svn: 26399
 2006-02-27 10:29:04 +00:00
Andrew Lenharth
0a245834aa improved zap discovery 
llvm-svn: 26148
 2006-02-13 18:52:29 +00:00
Chris Lattner
599b432345 Switch targets over to using SelectionDAG::getCALLSEQ_START to create 
CALLSEQ_START nodes.

llvm-svn: 26143
 2006-02-13 09:00:43 +00:00
Evan Cheng
6bd0f9c4ba Match getTargetNode() changes (now return SDNode* instead of SDOperand). 
llvm-svn: 26085
 2006-02-09 07:17:49 +00:00
Evan Cheng
521e5a1bfe Change Select() from 
SDOperand Select(SDOperand N);
to
void Select(SDOperand &Result, SDOperand N);

llvm-svn: 26067
 2006-02-09 00:37:58 +00:00
Andrew Lenharth
10a2391def see what this allignment thing will do 
llvm-svn: 26017
 2006-02-06 17:15:17 +00:00
Evan Cheng
fb902782e8 Use SelectRoot() as entry of any tblgen based isel. 
llvm-svn: 25997
 2006-02-05 06:46:41 +00:00
Andrew Lenharth
b28db2290a linkage fix for weak functions 
llvm-svn: 25976
 2006-02-04 19:13:09 +00:00
Andrew Lenharth
c879542ab0 isStoreToStackSlot 
llvm-svn: 25925
 2006-02-03 03:07:37 +00:00
Chris Lattner
15cb732cd7 Move isLoadFrom/StoreToStackSlot from MRegisterInfo to TargetInstrInfo,a far more logical place. Other methods should also be moved if anyoneis interested. :) 
llvm-svn: 25913
 2006-02-02 20:12:32 +00:00
Andrew Lenharth
9812806d03 Add immediate forms of cmov and remove some cruft 
llvm-svn: 25882
 2006-02-01 19:37:33 +00:00
Nate Begeman
0be60963bd Fix some of the stuff in the PPC README file, and clean up legalization 
of the SELECT_CC, BR_CC, and BRTWOWAY_CC nodes.

llvm-svn: 25875
 2006-02-01 07:19:44 +00:00
Evan Cheng
f115c17f23 Allow the specification of explicit alignments for constant pool entries. 
llvm-svn: 25855
 2006-01-31 22:23:14 +00:00
Chris Lattner
ca5c2d7a4c Update alpha to reflect recent constantfp legalize changes. It's not clear 
why all this code isn't autogenerated. :(

llvm-svn: 25770
 2006-01-29 06:25:22 +00:00
Chris Lattner
7a06abe72b cmovle != cmovlt 
llvm-svn: 25761
 2006-01-29 03:47:30 +00:00
Nate Begeman
87c2c0e66b Implement Promote for VAARG, and allow it to be custom promoted for people 
who don't want the default behavior (Alpha).

llvm-svn: 25726
 2006-01-28 03:14:31 +00:00
Chris Lattner
2d4f83eaaf Switch to AlphaISD::CALL instead of ISD::CALL 
llvm-svn: 25718
 2006-01-27 23:39:00 +00:00
Evan Cheng
77885c204d Subtarget feature can now set any variable to any value 
llvm-svn: 25678
 2006-01-27 08:09:42 +00:00
Chris Lattner
20d4194a0d PHI and INLINEASM are now built-in instructions provided by Target.td 
llvm-svn: 25674
 2006-01-27 01:46:15 +00:00
Andrew Lenharth
23afe2f288 minor renaming 
llvm-svn: 25640
 2006-01-26 03:24:15 +00:00
Andrew Lenharth
ad88ba7c98 allow R28 to be used for frame calculations without entirely removing it from circulation 
llvm-svn: 25639
 2006-01-26 03:22:07 +00:00
Andrew Lenharth
084c16fe59 oops 
llvm-svn: 25623
 2006-01-25 23:33:32 +00:00
Andrew Lenharth
01e5b9e862 forgot one 
llvm-svn: 25620
 2006-01-25 22:28:07 +00:00
Andrew Lenharth
d932b627f7 make things compile again 
llvm-svn: 25614
 2006-01-25 21:54:38 +00:00
Nate Begeman
c29fac7fce First part of bug 680: 
Remove TLI.LowerVA* and replace it with SDNodes that are lowered the same
way as everything else.

llvm-svn: 25606
 2006-01-25 18:21:52 +00:00
Andrew Lenharth
3b1babbf44 maintaining stackpointer alignment. Perhaps it doesn't matter 
llvm-svn: 25592
 2006-01-25 01:51:08 +00:00
Andrew Lenharth
757829acec bye bye Pattern ISEL 
llvm-svn: 25553
 2006-01-23 21:56:07 +00:00
Andrew Lenharth
f7d549848c added stores to lsmark 
llvm-svn: 25552
 2006-01-23 21:51:33 +00:00
Andrew Lenharth
85b5ef30e5 fix up more lsmark stuff 
llvm-svn: 25550
 2006-01-23 21:23:26 +00:00
Andrew Lenharth
b7a4322232 yea, lowering this stuff will basically work 
llvm-svn: 25549
 2006-01-23 20:59:50 +00:00
Chris Lattner
aafc339b4e Add explicit #includes of <iostream> 
llvm-svn: 25515
 2006-01-22 23:41:00 +00:00
Andrew Lenharth
96520cb68d typo 
llvm-svn: 25464
 2006-01-19 21:10:38 +00:00
Andrew Lenharth
9abecccdcb nasty nasty patterns 
llvm-svn: 25463
 2006-01-19 20:49:37 +00:00
Andrew Lenharth
b2671cf884 fix short immediate loads 
llvm-svn: 25371
 2006-01-16 21:41:39 +00:00
Andrew Lenharth
87cf023175 stack and rpcc 
llvm-svn: 25369
 2006-01-16 21:22:38 +00:00
Andrew Lenharth
0f185bc2ee Friendly names 
llvm-svn: 25364
 2006-01-16 19:53:25 +00:00
Nate Begeman
85b2dc0c4e bswap implementation 
llvm-svn: 25312
 2006-01-14 03:14:10 +00:00
Andrew Lenharth
e591830a97 make DAG isel the default 
llvm-svn: 25282
 2006-01-13 18:49:47 +00:00
Chris Lattner
80fed2d66e expand unsupported stacksave/stackrestore nodes 
llvm-svn: 25272
 2006-01-13 02:42:53 +00:00
Nate Begeman
cff96008ac 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

llvm-svn: 25222
 2006-01-11 21:21:00 +00:00
Andrew Lenharth
09447d44ac this pattern was bogus 
llvm-svn: 25197
 2006-01-11 03:33:06 +00:00
Andrew Lenharth
0dd7d82ec6 Int immediate loading fix 
llvm-svn: 25182
 2006-01-10 19:12:47 +00:00
Andrew Lenharth
58e26e2c4b proper branch not equal sequence 
llvm-svn: 25159
 2006-01-09 19:49:58 +00:00
Andrew Lenharth
193ef655ed make 0 codegen much better 
llvm-svn: 25131
 2006-01-06 19:41:51 +00:00
Chris Lattner
0bbcba6cff unbreak the build, these are now in TargetSelectionDAG.td 
llvm-svn: 25109
 2006-01-05 04:48:15 +00:00
Jim Laskey
41b3ee3c4f Had expand logic backward. 
llvm-svn: 25105
 2006-01-05 01:47:43 +00:00
Jim Laskey
5eddaee9f3 Added initial support for DEBUG_LABEL allowing debug specific labels to be 
inserted in the code.

llvm-svn: 25104
 2006-01-05 01:25:28 +00:00
Andrew Lenharth
b4102c0250 typeo 
llvm-svn: 25060
 2006-01-02 21:15:53 +00:00
Chris Lattner
9f51967a78 Remove a 'using namespace std'. 
llvm-svn: 25059
 2006-01-01 22:20:31 +00:00
Andrew Lenharth
33a683c939 Move brcond over and fix some imm patterns. This may be the last change before changing the default alpha isel. 
llvm-svn: 25057
 2006-01-01 22:16:14 +00:00
Andrew Lenharth
1f84cd6920 clean this function up some 
llvm-svn: 25055
 2006-01-01 22:13:54 +00:00
Andrew Lenharth
3441657fb4 improve constant loading. Still sucks, but oh well 
llvm-svn: 25047
 2005-12-30 02:30:02 +00:00
Andrew Lenharth
13a01d794b let us get some do what I meant not what I said stuff checked in. You would think the alpha backend would be 64bit clean 
llvm-svn: 25040
 2005-12-29 01:06:12 +00:00
Andrew Lenharth
b87ac716bc Fix up immediate handling 
llvm-svn: 25039
 2005-12-29 00:50:08 +00:00
Andrew Lenharth
bea3ab432b Restore some happiness to the JIT 
llvm-svn: 25026
 2005-12-27 06:25:50 +00:00
Andrew Lenharth
b48bdd4aae Fix alpha regressions. 
llvm-svn: 25025
 2005-12-27 03:53:58 +00:00
Evan Cheng
231b11ba87 Added field noResults to Instruction. 
Currently tblgen cannot tell which operands in the operand list are results so
it assumes the first one is a result. This is bad. Ideally we would fix this
by separating results from inputs, e.g. (res R32:$dst),
(ops R32:$src1, R32:$src2). But that's a more distruptive change. Adding
'let noResults = 1' is the workaround to tell tblgen that the instruction does
not produces a result. It works for now since tblgen does not support
instructions which produce multiple results.

llvm-svn: 25017
 2005-12-26 09:11:45 +00:00
Andrew Lenharth
f8a6d19367 add br pattern, unify JSR and BSR ISel instrs, and add BSR support for DAG 
llvm-svn: 25011
 2005-12-25 17:36:48 +00:00
Andrew Lenharth
9e8f45d185 All that just to lower div and rem 
llvm-svn: 25008
 2005-12-25 01:34:27 +00:00
Andrew Lenharth
1e6795bc0c All addressing modes are now exposed. The only remaining relocated forms 
are for function prologue.

TODO: move external symbols over to using RelLit.
    : have a pattern that matches constpool|globaladdr
    : have a pattern that matches (add x imm) -> x, imm or (...) -> ..., 0
llvm-svn: 25003
 2005-12-24 08:29:32 +00:00
Andrew Lenharth
588bd3f659 Unify the patterns for loads and stores. Now offset addressing should be 
supported.  This almost completes memory operations.

llvm-svn: 25002
 2005-12-24 07:34:33 +00:00
Andrew Lenharth
f4c74093bb Let's see if we can break things. 
Lower GOT relative addresses to Lo and HI.
Update both ISels to select them when they can.
Saves instructions here and there.

llvm-svn: 25001
 2005-12-24 05:36:33 +00:00
Andrew Lenharth
5ce2a6c2cf move loads and stores over. Smart addr selection comming 
llvm-svn: 25000
 2005-12-24 03:41:56 +00:00
Chris Lattner
73f38507d9 remove dead code 
llvm-svn: 24965
 2005-12-22 21:16:08 +00:00
Jim Laskey
d82881490c Disengage DEBUG_LOC from non-PPC targets. 
llvm-svn: 24919
 2005-12-21 20:51:37 +00:00
Andrew Lenharth
0a966ac994 fix FP selects 
llvm-svn: 24672
 2005-12-12 20:30:09 +00:00
Andrew Lenharth
7b9648492b restore a more restricted select 
llvm-svn: 24668
 2005-12-12 17:43:52 +00:00
Andrew Lenharth
c432a93381 FP select improvements (and likely breakage), oh and crazy people might want to *return* floating point values. Don't see why myself 
llvm-svn: 24658
 2005-12-11 03:54:31 +00:00
Andrew Lenharth
ae37aa2550 it helps if your conditionals are not reversed 
llvm-svn: 24641
 2005-12-09 00:45:42 +00:00
Andrew Lenharth
3b3088c410 fix divide and remainder 
llvm-svn: 24628
 2005-12-06 23:27:39 +00:00
Andrew Lenharth
368c8ccc9a more decent branches for FP. I might have to make some intermediate nodes to actually be able to use the DAG for FPcmp 
llvm-svn: 24625
 2005-12-06 20:43:30 +00:00
Andrew Lenharth
b294ecae1b OK, this does wonders for broken stuff 
llvm-svn: 24624
 2005-12-06 20:40:34 +00:00
Andrew Lenharth
b86d70f50a added instructions with inverted immediates 
llvm-svn: 24614
 2005-12-06 00:33:53 +00:00
Andrew Lenharth
fe52ed77e2 yea, it helps to have your path set right when testing 
llvm-svn: 24613
 2005-12-05 23:41:45 +00:00
Andrew Lenharth
0fdfe40762 These never trigger, but whatever 
llvm-svn: 24612
 2005-12-05 23:19:44 +00:00
Andrew Lenharth
0573bb5fd4 move this over to the dag 
llvm-svn: 24609
 2005-12-05 20:50:53 +00:00
Andrew Lenharth
d819ad516e fix constant pool loads 
llvm-svn: 24607
 2005-12-05 17:51:02 +00:00
Andrew Lenharth
9d6eddefaf major think-o 
llvm-svn: 24564
 2005-12-01 17:48:51 +00:00
Nate Begeman
811a41a87c Support multiple ValueTypes per RegisterClass, needed for upcoming vector 
work.  This change has no effect on generated code.

llvm-svn: 24563
 2005-12-01 04:51:06 +00:00
Andrew Lenharth
22f34d275f Flags where I think I need them, quick, before the nightly tester starts 
llvm-svn: 24560
 2005-12-01 01:53:10 +00:00
Chris Lattner
258dc29d7f SelectNodeTo now returns its result, we must pay attention to it. 
llvm-svn: 24552
 2005-11-30 23:04:38 +00:00
Nate Begeman
84be54b731 No longer track value types for asm printer operands, and remove them as 
an argument to every operand printing function.  Requires some slight
tweaks to x86, the only user.

llvm-svn: 24541
 2005-11-30 18:54:35 +00:00
Andrew Lenharth
a758caed46 remove redundant code 
llvm-svn: 24538
 2005-11-30 17:14:11 +00:00
Andrew Lenharth
431d24abaf Make typesafe that which isn't: FCMOVxx 
llvm-svn: 24536
 2005-11-30 17:11:20 +00:00
Andrew Lenharth
114fb4cdb1 FPSelect and more custom lowering 
llvm-svn: 24535
 2005-11-30 16:10:29 +00:00