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53676dfd33a98cbbb6abba62b044dccc90df5529
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150 Commits

Author SHA1 Message Date
Chris Lattner
53676dfd33 Change *EXTLOAD to use an VTSDNode operand instead of being an MVTSDNode. 
This is the last MVTSDNode.

This allows us to eliminate a bunch of special case code for handling
MVTSDNodes.

Also, remove some uses of dyn_cast that should really be cast (which is
cheaper in a release build).

llvm-svn: 22368
 2005-07-10 01:56:13 +00:00
Chris Lattner
36db1ed06f Change TRUNCSTORE to use a VTSDNode operand instead of being an MVTSTDNode 
llvm-svn: 22366
 2005-07-10 00:29:18 +00:00
Andrew Lenharth
8d40dcbd18 clean up prolouge and epilouge 
llvm-svn: 22346
 2005-07-07 19:52:58 +00:00
Chris Lattner
a7220851c0 Make several cleanups to Andrews varargs change: 
1. Pass Value*'s into lowering methods so that the proper pointers can be
   added to load/stores from the valist
2. Intrinsics that return void should only return a token chain, not a token
   chain/retval pair.
3. Rename LowerVAArgNext -> LowerVAArg, because VANext is long gone.
4. Now that we have Value*'s available in the lowering methods, pass them
   into any load/stores from the valist that are emitted

llvm-svn: 22339
 2005-07-05 19:58:54 +00:00
Andrew Lenharth
26fa89e0a7 check the correct VT 
llvm-svn: 22332
 2005-07-04 20:07:21 +00:00
Andrew Lenharth
da852d51df fix loading address of fp symbols 
llvm-svn: 22331
 2005-07-03 20:06:13 +00:00
Andrew Lenharth
dd55b1566b simplify call code, remove pseudo ops for div and rem, track more loads and stores 
llvm-svn: 22322
 2005-07-01 19:12:13 +00:00
Andrew Lenharth
2edc1881ac restore old srcValueNode behavior and try to to work around it 
llvm-svn: 22315
 2005-06-29 18:54:02 +00:00
Andrew Lenharth
8192568fbc tracking the instructions causing loads and stores provides more information than just the pointer being loaded or stored 
llvm-svn: 22311
 2005-06-29 15:57:19 +00:00
Andrew Lenharth
4401049f05 thinko 
llvm-svn: 22309
 2005-06-29 13:35:05 +00:00
Andrew Lenharth
d0a2f0f95a unify SelectExpr and SelectFP 
llvm-svn: 22308
 2005-06-29 12:49:51 +00:00
Andrew Lenharth
d0f59dedf8 fix most regressions 
llvm-svn: 22307
 2005-06-29 12:23:34 +00:00
Andrew Lenharth
47a9c4715a support more relocations for stores also 
llvm-svn: 22306
 2005-06-29 00:39:17 +00:00
Andrew Lenharth
1ef3c0c798 Get rid of all symbolic loads. I now do gernate all relocations sequences 
rather than relying on the assembler.  Only a few more pseudo instructions
left.  Also merge load code paths.

llvm-svn: 22305
 2005-06-29 00:31:08 +00:00
Andrew Lenharth
a50adcf57d So, it turns out I forgot that one valid way of restoring GP after a call 
is to use RA, which assumes the called function uses RA for the register
holding the return address when it issues a ret.

llvm-svn: 22301
 2005-06-27 23:24:11 +00:00
Andrew Lenharth
595646f934 get rid of another pseudo op 
llvm-svn: 22299
 2005-06-27 21:11:40 +00:00
Andrew Lenharth
1291a85883 generate address of constant pool entries 
llvm-svn: 22298
 2005-06-27 21:02:56 +00:00
Andrew Lenharth
02ffa5a7ed Misha happification patch 
llvm-svn: 22297
 2005-06-27 17:39:17 +00:00
Andrew Lenharth
7aba58ab89 Reduce use of pseudo ops 
Namely, output the rellocation flags explicitly when loading constants.
Added benifit: save a load when loading from the constant pool.

llvm-svn: 22296
 2005-06-27 17:15:36 +00:00
Andrew Lenharth
fcb112eb7a missed a load 
llvm-svn: 22295
 2005-06-27 16:40:26 +00:00
Andrew Lenharth
53bb83bc43 who said we had to use the return address in the return address register. Might save a move in many cases 
llvm-svn: 22293
 2005-06-27 15:36:48 +00:00
Andrew Lenharth
dac0b3cb8a depend more on legalize putting constants on the RHS 
llvm-svn: 22289
 2005-06-26 23:01:11 +00:00
Andrew Lenharth
331380b2e2 With setOperationAction(ISD::UINT_TO_FP, MVT::i64, Expand), Legalize 
should be able to handle this case.  The code is there, so let's see
if it works.

llvm-svn: 22288
 2005-06-26 22:23:06 +00:00
Andrew Lenharth
af1e825112 remove a pseudo instruction, make ret always right, and fix vararg chains 
llvm-svn: 22276
 2005-06-23 23:42:05 +00:00
Andrew Lenharth
01cebcc131 finally, Working varargs 
llvm-svn: 22275
 2005-06-23 16:48:51 +00:00
Andrew Lenharth
a4a12983cc more complete Lowering for vacopy and vaarg 
llvm-svn: 22274
 2005-06-22 23:04:28 +00:00
Andrew Lenharth
cf9008afea Make it easier to find alpha stuff in doxygen, and fixup labeling 
of memory instructions in the assembly, to allow later linking
of traces with LLVM Value*s.

llvm-svn: 22271
 2005-06-22 17:19:45 +00:00
Andrew Lenharth
9144ec4764 core changes for varargs 
llvm-svn: 22254
 2005-06-18 18:34:52 +00:00
Andrew Lenharth
c504a3db60 fix BranchCC with a setCC with an arg of 0 
llvm-svn: 22203
 2005-06-08 18:02:21 +00:00
Misha Brukman
ddb94f4169 Fix spelling of `correlate' 
llvm-svn: 22196
 2005-06-06 19:08:04 +00:00
Andrew Lenharth
c74fe84456 allow marking of loads and stores in the instruction stream with enough information to reconstruct the Value* if it existed 
llvm-svn: 22195
 2005-06-06 19:03:55 +00:00
Misha Brukman
175df27466 * Replace block of commented-out lines with #if 0 
* Remove warning "control reaches end of non-void function"

llvm-svn: 22193
 2005-06-06 17:39:46 +00:00
Andrew Lenharth
7c0e9285ce try custom expanders, doesn't seem to expand yet, so disabled 
llvm-svn: 22188
 2005-05-31 19:49:34 +00:00
Andrew Lenharth
41e2981e0a switch to the new live in thing. Really, this time it works 
llvm-svn: 22187
 2005-05-31 18:42:18 +00:00
Andrew Lenharth
676e4db6dc switch to the new live in thing 
llvm-svn: 22186
 2005-05-31 18:37:16 +00:00
Andrew Lenharth
973d85e660 switch to the new live in thing 
llvm-svn: 22185
 2005-05-31 18:35:43 +00:00
Andrew Lenharth
39edea8306 Fix 2005-05-12-Int64ToFP 
The issue is there is no unsigned -> double conversion, only signed.  So I
need to test the sign and do a different thing depending on it.  Ideally
this should be in a different BB, but in the mean time, I use a branch
free method.

llvm-svn: 22177
 2005-05-26 18:18:34 +00:00
Chris Lattner
8abab9b0c7 treat TAILCALL nodes identically to CALL nodes 
llvm-svn: 21977
 2005-05-13 20:29:26 +00:00
Chris Lattner
2e77db6af6 Add an isTailCall flag to LowerCallTo 
llvm-svn: 21958
 2005-05-13 18:50:42 +00:00
Chris Lattner
2dce703710 rename the ADJCALLSTACKDOWN/ADJCALLSTACKUP nodes to be CALLSEQ_START/BEGIN. 
llvm-svn: 21915
 2005-05-12 23:24:06 +00:00
Chris Lattner
36674a123e Pass in Calling Convention to use into LowerCallTo 
llvm-svn: 21899
 2005-05-12 19:56:45 +00:00
Andrew Lenharth
b8e94c3499 fix typo 
llvm-svn: 21693
 2005-05-04 19:25:37 +00:00
Andrew Lenharth
aed06a0e92 Well, add support for ct* for 21264 only. 
21164 is broken until expand works.

llvm-svn: 21692
 2005-05-04 19:12:09 +00:00
Andrew Lenharth
5e177826fd Implement count leading zeros (ctlz), count trailing zeros (cttz), and count 
population (ctpop).  Generic lowering is implemented, however only promotion
is implemented for SelectionDAG at the moment.

More coming soon.

llvm-svn: 21676
 2005-05-03 17:19:30 +00:00
Andrew Lenharth
537332eba8 I was sure I had thought about this and there was a reason it should work. 
But it is entirely possible I am just crazy.

llvm-svn: 21640
 2005-04-30 14:19:13 +00:00
Chris Lattner
c8a6633dea Eliminate some random whitespace 
llvm-svn: 21637
 2005-04-30 04:44:07 +00:00
Chris Lattner
9c6bbafc15 This target doesn't support the FSIN/FCOS/FSQRT nodes yet 
llvm-svn: 21633
 2005-04-30 04:26:06 +00:00
Andrew Lenharth
4a73c2cfdc Implement Value* tracking for loads and stores in the selection DAG. This enables one to use alias analysis in the backends. 
(TRUNK)Stores and (EXT|ZEXT|SEXT)Loads have an extra SDOperand which is a SrcValueSDNode which contains the Value*.  Note that if the operation is introduced by the backend, it will still have the operand, but the value* will be null.

llvm-svn: 21599
 2005-04-27 20:10:01 +00:00
Misha Brukman
e73e76dc42 Convert tabs to spaces 
llvm-svn: 21452
 2005-04-22 17:54:37 +00:00
Andrew Lenharth
8f4081a8c9 keep track of max depth stats 
llvm-svn: 21446
 2005-04-22 13:35:18 +00:00