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976 Commits

Author SHA1 Message Date
Chris Lattner
d18db4006d This checkin fixes the bug described in: 
test/Regression/Assembler/2002-01-24-BadSymbolTableAssert.ll

llvm-svn: 1583
 2002-01-25 03:56:34 +00:00
Chris Lattner
1af4d669b3 Check in fix for bug: test/Regression/Assembler/ValueRefineAbsType.ll 
llvm-svn: 1582
 2002-01-25 03:45:27 +00:00
Chris Lattner
e77bf6231e Implement the clock() function 
llvm-svn: 1573
 2002-01-23 21:38:07 +00:00
Chris Lattner
c293ab6ae2 * Expose new command line arg --debug-pass for gccas and llc debugging 
* Remember to initialize MethodPassBatcher::BBPBatcher instance var in ctor
* Move PassManager::run() from header file

llvm-svn: 1556
 2002-01-23 05:49:41 +00:00
Chris Lattner
71ee02c009 Implement new DeadInstElmination pass 
remove old comment

llvm-svn: 1555
 2002-01-23 05:48:24 +00:00
Chris Lattner
24eb24166b Make it build with 2.95.3 
llvm-svn: 1554
 2002-01-23 05:47:57 +00:00
Chris Lattner
1728479df5 Oops, misnamed function, didn't override correctly, drat. 
llvm-svn: 1528
 2002-01-22 03:30:25 +00:00
Chris Lattner
e12b9f9277 Don't insert a useless cast 
llvm-svn: 1527
 2002-01-22 03:30:06 +00:00
Chris Lattner
4cecd63a42 Rename LowerAllocations.h to ChangeAllocations.h since it now contains the 
RaiseAllocations pass as well.

llvm-svn: 1525
 2002-01-22 01:04:08 +00:00
Chris Lattner
15d533a331 Ooops, forgot to implement void PassManager::add(BasicBlockPass *BBP) 
llvm-svn: 1523
 2002-01-22 00:17:48 +00:00
Chris Lattner
83056c99ec Pull RaiseAllocations stuff out of the CleanGCC pass into it's own pass in 
the ChangeAllocations.h header file.

llvm-svn: 1522
 2002-01-22 00:13:51 +00:00
Chris Lattner
250d937680 LowerAllocations is really a BasicBlock pass. Make it so. 
llvm-svn: 1521
 2002-01-21 23:34:02 +00:00
Chris Lattner
4454cdc5c0 Move stuff out of the Optimizations directories into the appropriate Transforms 
directories.  Eliminate the opt namespace.

llvm-svn: 1520
 2002-01-21 23:17:48 +00:00
Chris Lattner
071f08916e Chuck fixed the GCC problems so this hack is now unneccesary 
llvm-svn: 1519
 2002-01-21 23:17:07 +00:00
Chris Lattner
15f43a7af7 Elminate an unused variable 
llvm-svn: 1518
 2002-01-21 23:16:30 +00:00
Chris Lattner
10a9b7627d Eliminate opt library 
llvm-svn: 1516
 2002-01-21 23:13:46 +00:00
Chris Lattner
0431e5fad5 Remove dead variable 
llvm-svn: 1515
 2002-01-21 22:50:38 +00:00
Chris Lattner
d40b986b74 Remove dead variable. 
llvm-svn: 1514
 2002-01-21 22:44:57 +00:00
Chris Lattner
c00c670e5f Pull stuff out of opt namespace 
llvm-svn: 1511
 2002-01-21 21:44:38 +00:00
Chris Lattner
bbb4dcdcd1 Rename SwapStructureContents -> IPO/SimpleStructMutation 
Move MutateStructTypes.(cpp|h) -> IPO/MutateStructTypes.(cpp|h)

llvm-svn: 1510
 2002-01-21 07:52:35 +00:00
Chris Lattner
ebd5417901 Implementation of the new spiffy pass system 
llvm-svn: 1508
 2002-01-21 07:37:31 +00:00
Chris Lattner
2521ae1011 Implement a more powerful, simpler, pass system. This pass system can figure 
out how to run a collection of passes optimially given their behaviors and
charactaristics.

Convert code to use it.

llvm-svn: 1507
 2002-01-21 07:31:50 +00:00
Chris Lattner
d0e1f35161 Oops lost a parenthesis somehow :( 
llvm-svn: 1504
 2002-01-21 01:33:12 +00:00
Chris Lattner
3dc9a2a61f Changes to build successfully with GCC 3.02 
llvm-svn: 1503
 2002-01-20 22:54:45 +00:00
Ruchira Sasanka
80acf30a7f Fixed a bug in spill cost estimation 
llvm-svn: 1500
 2002-01-08 16:29:23 +00:00
Ruchira Sasanka
b6d7a004fa PhyRegAlloc.cpp: Added temp area resetting before every call 
llvm-svn: 1499
 2002-01-07 21:09:06 +00:00
Ruchira Sasanka
b45080c5ba Added more comments 
llvm-svn: 1498
 2002-01-07 21:03:42 +00:00
Ruchira Sasanka
66b5593b96 removed SizeOfStackOperand constant from the SparcRegInfo class - no longer used 
by code.

llvm-svn: 1497
 2002-01-07 20:33:44 +00:00
Ruchira Sasanka
1d566afc16 Added more comments 
llvm-svn: 1496
 2002-01-07 20:28:49 +00:00
Ruchira Sasanka
04da4f197f Added comments and correct logic for finding register sizes. 
llvm-svn: 1494
 2002-01-07 19:20:28 +00:00
Ruchira Sasanka
222c51efe9 Added destructors and comments. 
Added correct spill candidate selection logic.

llvm-svn: 1493
 2002-01-07 19:19:18 +00:00
Ruchira Sasanka
3d5efa3be1 Added comments, destructors where necessary. 
llvm-svn: 1491
 2002-01-07 19:16:26 +00:00
Vikram S. Adve
b61dccd269 Eliminate function getIndicesBROKEN(). 
llvm-svn: 1486
 2001-12-15 00:37:12 +00:00
Vikram S. Adve
0607fbbf01 Eliminate all uses of memInst->getIndicesBROKEN(). 
llvm-svn: 1485
 2001-12-15 00:36:32 +00:00
Vikram S. Adve
1d755bccee getIndexedOffset() shd take vector of Values, not of Constants! 
llvm-svn: 1484
 2001-12-15 00:35:48 +00:00
Vikram S. Adve
605a47ebe4 Remove int hack to allow unsigned numbers greater than 2^63 - 1... 
llvm-svn: 1483
 2001-12-15 00:33:36 +00:00
Chris Lattner
37ba4e2bb7 initial checkin 
llvm-svn: 1480
 2001-12-14 16:52:21 +00:00
Chris Lattner
59918ae040 * Support the new -q flag for automated tests 
* Remove unsized array support
* Add pointer indexing support

llvm-svn: 1477
 2001-12-14 16:49:29 +00:00
Chris Lattner
8e4844c07b * Assert that indices are valid for an indexing instruction. 
* Add support for indexing into pointers
* Remove support for unsized arrays

llvm-svn: 1472
 2001-12-14 16:43:26 +00:00
Chris Lattner
eb03e839bc Rename ConstPoolVals.cpp to Constants.cpp 
llvm-svn: 1471
 2001-12-14 16:42:30 +00:00
Chris Lattner
e443a8ff8d Remove unsized array support 
Add new SequentialType class

llvm-svn: 1470
 2001-12-14 16:41:56 +00:00
Chris Lattner
ba664bbc27 Make strings SByte* arrays instead of UByte * arrays 
llvm-svn: 1469
 2001-12-14 16:41:18 +00:00
Chris Lattner
98a6e485b0 * isFirstClassType is now provided by the Type class 
* Add ReplaceInstWithInst

llvm-svn: 1468
 2001-12-14 16:39:22 +00:00
Chris Lattner
553ec6b72f * add ReplaceInstWithInst 
* Add support for pointer indexing
* Fix minor bugs that are majorly annoying

llvm-svn: 1467
 2001-12-14 16:38:59 +00:00
Chris Lattner
9e6ccdd858 Remove unsized array support 
llvm-svn: 1466
 2001-12-14 16:38:04 +00:00
Chris Lattner
cd134c6891 * Support pointer indexing 
* Unsized arrays are a thing of the past, remove DoInsertArrayCast family
* Remove cases were we would get into infinite loops because we would insert a cast
  which would then be removed, inserting a different cast, ad infinitum...
* Remove some code that should be redundant with ExprTypeConvert code

llvm-svn: 1465
 2001-12-14 16:37:52 +00:00
Chris Lattner
1dc9744cc7 Many many changes and bugfixes: 
* Remove support for unsized arrays
* Add pointer indexing support
* Allow more arbitrary malloc type changes (which are too generous currently
  and should be fixed in the future)
* Allow more and better conversions

llvm-svn: 1464
 2001-12-14 16:35:53 +00:00
Chris Lattner
315df5b058 The proper prototype for malloc returns a pointer, not an unsized array 
llvm-svn: 1463
 2001-12-14 16:32:20 +00:00
Chris Lattner
831b4ac558 Allow pointer indexing 
llvm-svn: 1462
 2001-12-14 16:31:26 +00:00
Chris Lattner
43c92f9dbd Remove unsized array support 
llvm-svn: 1461
 2001-12-14 16:30:51 +00:00
Chris Lattner
8ab6f31913 Add pointer indexing support 
llvm-svn: 1460
 2001-12-14 16:30:09 +00:00
Chris Lattner
2cd50171de Don't waste as much horizontal space on #uses flag when printing 
llvm-svn: 1459
 2001-12-14 16:29:12 +00:00
Chris Lattner
a1ba456c49 * Fix cases where we were calling Type->getName() instead of Type->getDescription() 
* Remove unsized array support
* Malloc/alloca do not require that the first element be an unsized array to be an
  array allocation

llvm-svn: 1458
 2001-12-14 16:28:42 +00:00
Chris Lattner
6b2dc21b63 * Refactor trace values to work as a proper pass. Before it used to add 
methods while the pass was running which was a no no.  Now it adds the
  printf method at pass initialization
* Revamp code to use printf calls instead of the old style print_<type>
  calls.
* Simplify code

llvm-svn: 1457
 2001-12-14 16:26:05 +00:00
Ruchira Sasanka
58691e18af added a section on how to modify live variable code to use LLVM instructions 
instead of machine instructions.

llvm-svn: 1451
 2001-12-13 21:25:46 +00:00
Chris Lattner
e5172702f4 Not just arrays are unsized 
llvm-svn: 1450
 2001-12-13 00:46:11 +00:00
Chris Lattner
488f202019 Assertion could never fail because another one would in it's place. :) 
llvm-svn: 1449
 2001-12-13 00:45:40 +00:00
Chris Lattner
44a0bf36c6 Some programs are using BB's as values, until we resolve this. Disable the assert 
llvm-svn: 1448
 2001-12-13 00:45:06 +00:00
Chris Lattner
eed30bc7da Build runtime library with local GCCAS 
llvm-svn: 1447
 2001-12-13 00:44:23 +00:00
Chris Lattner
472385127d Implement sprintf 
llvm-svn: 1445
 2001-12-13 00:43:47 +00:00
Chris Lattner
9a7dd44f2c Swap operands now preserves the semantics of the binary operator by changing 
the opcode of the instruction if possible.

llvm-svn: 1444
 2001-12-13 00:43:03 +00:00
Chris Lattner
9d4207dbaf Add debugging to make a more useful message if a value gets constructed with a null type 
llvm-svn: 1443
 2001-12-13 00:41:27 +00:00
Ruchira Sasanka
05aed40cfa Added more comments. Added code to destructor in MethodLiveVarInfo to delete 
LiveVarSet caches.

llvm-svn: 1435
 2001-12-08 21:05:27 +00:00
Ruchira Sasanka
9d26f00cfb Added comments are more documentation info 
llvm-svn: 1434
 2001-12-08 21:04:22 +00:00
Chris Lattner
d76171a512 Implement more general conversions for getelementptr instructions 
llvm-svn: 1432
 2001-12-07 04:40:30 +00:00
Chris Lattner
9ae054fd1a Remove code that is superceeded by code in ExprTypeConvert.cpp 
llvm-svn: 1431
 2001-12-07 04:39:01 +00:00
Chris Lattner
e3b8fb7426 Don't insert scales of 1 :) 
llvm-svn: 1430
 2001-12-07 04:26:02 +00:00
Chris Lattner
9421444244 Do not pessimize users of this function. Fix logic. 
llvm-svn: 1428
 2001-12-06 18:06:37 +00:00
Chris Lattner
e3b57cfe8f We can do cast-add elimination even on casts that reinterpret 
llvm-svn: 1427
 2001-12-06 18:06:13 +00:00
Chris Lattner
e23b6591f9 Fix bug that caused invalid transformations to be applied 
llvm-svn: 1426
 2001-12-06 18:05:55 +00:00
Chris Lattner
d89106f96b Actually return true when a change has been made 
llvm-svn: 1425
 2001-12-05 19:41:33 +00:00
Chris Lattner
8ca0f9efd6 Handle more complex array indexing expressions 
llvm-svn: 1424
 2001-12-05 19:41:16 +00:00
Chris Lattner
662a17ba5f Fix pessimizations on sized arrays 
llvm-svn: 1423
 2001-12-05 19:40:32 +00:00
Chris Lattner
57e64f9985 Fix a few bugs. Fix pessimization handling sized arrays 
llvm-svn: 1422
 2001-12-05 19:39:15 +00:00
Chris Lattner
fb6a288211 "fix" problems processing floating point expressions 
llvm-svn: 1421
 2001-12-05 19:38:29 +00:00
Chris Lattner
d1a8ed7d8c Hrm, don't do debugging output when debugging is off. :( 
llvm-svn: 1420
 2001-12-05 06:40:17 +00:00
Chris Lattner
05fb7c607f Fixes to type conversion stuff to match induction variables more frequently 
llvm-svn: 1417
 2001-12-05 06:34:00 +00:00
Chris Lattner
53fcedeb3c Fix a bug that clobbered the step value on some inputs 
llvm-svn: 1416
 2001-12-05 06:32:30 +00:00
Chris Lattner
7059b60173 Fix a bug introduced by "internal linkage" work. 
llvm-svn: 1415
 2001-12-04 18:01:49 +00:00
Chris Lattner
8ec5ceb110 Fix bugs, don't do external methods which causes segv. 
llvm-svn: 1414
 2001-12-04 08:13:06 +00:00
Chris Lattner
c1b018dcf4 Remove printouts 
llvm-svn: 1413
 2001-12-04 08:12:53 +00:00
Chris Lattner
83d8d32cfa Fix a pessimization due to sucky LI testing 
llvm-svn: 1412
 2001-12-04 08:12:47 +00:00
Chris Lattner
bd85988c94 Implement induction variable simplification 
llvm-svn: 1411
 2001-12-04 04:32:29 +00:00
Chris Lattner
d865a13064 Allow hyphens in identifier names 
llvm-svn: 1409
 2001-12-04 04:31:30 +00:00
Chris Lattner
c4a5815033 Renamed inst_const_iterator -> const_inst_iterator 
Renamed op_const_iterator   -> const_op_iterator
Renamed PointerType::getValueType() -> PointerType::getElementType()

llvm-svn: 1408
 2001-12-04 00:03:30 +00:00
Chris Lattner
f6b7da2bb5 Rename ConstPoolVal -> Constant 
Rename ConstPool*   -> Constant*
Rename ConstPoolVals.h -> ConstantVals.h

llvm-svn: 1407
 2001-12-03 22:26:30 +00:00
Chris Lattner
bcf2df7058 Split the PHINode class out from the iOther.h file into the iPHINode.h file 
llvm-svn: 1405
 2001-12-03 18:02:31 +00:00
Chris Lattner
a337749b35 Initial checkin of indvar stuff 
llvm-svn: 1404
 2001-12-03 17:28:42 +00:00
Chris Lattner
cf360e3fd8 Compile the scalar directory 
llvm-svn: 1403
 2001-12-03 17:28:15 +00:00
Chris Lattner
a302c202ab Induction variables must be phi nodes 
llvm-svn: 1402
 2001-12-03 17:27:42 +00:00
Chris Lattner
f90b19a71c Move support directory 
llvm-svn: 1401
 2001-11-29 16:32:16 +00:00
Chris Lattner
463cc31132 Create a new #include "Support/..." directory structure to move things 
from "llvm/Support/..." that are not llvm dependant.

Move files and fix #includes

llvm-svn: 1400
 2001-11-27 00:03:19 +00:00
Chris Lattner
cead7793a7 Move DataTypes.h from llvm/Support to just Support 
llvm-svn: 1399
 2001-11-26 23:04:08 +00:00
Chris Lattner
7b91b28853 Turn off debug info 
llvm-svn: 1396
 2001-11-26 19:36:58 +00:00
Chris Lattner
90bdf397e1 Use pointertype where appropriate 
llvm-svn: 1392
 2001-11-26 19:20:16 +00:00
Chris Lattner
f4cbfaed0a Remove invalid,unneccesary ## token 
llvm-svn: 1391
 2001-11-26 19:19:27 +00:00
Chris Lattner
37ad91c9dc Implement internal 
llvm-svn: 1385
 2001-11-26 19:14:56 +00:00
Chris Lattner
84d72f9596 Make strings be internal 
llvm-svn: 1384
 2001-11-26 19:14:33 +00:00
Chris Lattner
2459d65720 Remove debugging output 
llvm-svn: 1383
 2001-11-26 19:14:16 +00:00
Chris Lattner
c56685dca6 Support internal linkage 
llvm-svn: 1382
 2001-11-26 19:14:03 +00:00
Chris Lattner
5753d430a6 Build IPO directory 
llvm-svn: 1381
 2001-11-26 18:59:30 +00:00
Chris Lattner
dce8511222 Implement support for internal methods 
llvm-svn: 1380
 2001-11-26 18:59:18 +00:00
Chris Lattner
4d2046a71e Include const prop as part of -raise 
llvm-svn: 1379
 2001-11-26 18:58:55 +00:00
Chris Lattner
9158ea6980 * Implement support for folding multiple single letter arguments together like 
with ls: ls -la  === ls -l -a
* Implement support for trimming arguments that start with a single letter
  argument so that -lfoo is recognized as -l foo for the linker

llvm-svn: 1378
 2001-11-26 18:58:34 +00:00
Chris Lattner
d10d3f1015 Misc cleanups 
llvm-svn: 1377
 2001-11-26 18:57:38 +00:00
Chris Lattner
8fd567523c Expose constant propogation of an instruction in a clean way 
llvm-svn: 1376
 2001-11-26 18:57:12 +00:00
Chris Lattner
b914467e57 Stuff after a #endif is not valid CPP input and breaks some compilers 
llvm-svn: 1375
 2001-11-26 18:56:52 +00:00
Chris Lattner
e577171af8 Implement internal method support 
llvm-svn: 1374
 2001-11-26 18:56:10 +00:00
Chris Lattner
2a1613d3b2 Implement support for internal methods 
llvm-svn: 1373
 2001-11-26 18:54:16 +00:00
Chris Lattner
997aede09d Implement writer support for Loops, Induction Variables, and CallGraphs 
llvm-svn: 1372
 2001-11-26 18:53:29 +00:00
Chris Lattner
86b47687fa Make Mul work right 
Make sub work right

llvm-svn: 1371
 2001-11-26 18:53:07 +00:00
Chris Lattner
aae473d198 Fix a bad assertion to be correct . The root basic block can be used by PHI nodes. 
llvm-svn: 1370
 2001-11-26 18:52:02 +00:00
Chris Lattner
7b9b59f437 Implement a new entry node that has edges to all external methods in the module 
llvm-svn: 1369
 2001-11-26 18:51:25 +00:00
Chris Lattner
118f8023f8 Implement DCE of global values 
llvm-svn: 1360
 2001-11-26 18:42:17 +00:00
Chris Lattner
c969e45ded * Implement dominator based loop identification 
* Implement cleaner induction variable identification

llvm-svn: 1359
 2001-11-26 18:41:20 +00:00
Chris Lattner
136ed3b396 * Implement array indexing in lli 
* Add external atoi method as well as floor, and srand

llvm-svn: 1355
 2001-11-26 18:18:18 +00:00
Chris Lattner
b19c837bd3 Support Array Indexing 
llvm-svn: 1348
 2001-11-26 17:02:05 +00:00
Chris Lattner
da7f31493c Implement: isLosslesslyConvertableTo and new CompositeType base class 
llvm-svn: 1347
 2001-11-26 17:01:47 +00:00
Chris Lattner
1e270e0e2b If a name conflict occurs when inserting a value, rename it. 
llvm-svn: 1346
 2001-11-26 17:01:18 +00:00
Chris Lattner
e996313daa Support array indexing 
llvm-svn: 1345
 2001-11-26 17:00:43 +00:00
Chris Lattner
4694a03e25 Support Composite's, not just structs 
llvm-svn: 1344
 2001-11-26 17:00:13 +00:00
Chris Lattner
ab740485ab losslessCastableTypes is moved to Type class 
getStructOffsetType supports array indexing

llvm-svn: 1343
 2001-11-26 16:59:47 +00:00
Chris Lattner
c1f0351928 Support selectable structure transformations 
llvm-svn: 1342
 2001-11-26 16:59:10 +00:00
Chris Lattner
98a6ef2594 Support mutation of array indexing 
llvm-svn: 1341
 2001-11-26 16:58:33 +00:00
Chris Lattner
95b74bb24f Clean up code, implement array indexing stuff 
llvm-svn: 1340
 2001-11-26 16:58:14 +00:00
Chris Lattner
a9084f9746 Implement array indexing reverse engineering 
llvm-svn: 1339
 2001-11-26 16:57:31 +00:00
Chris Lattner
9236d30e29 The old getIndices has been deprecated, because it no longer works. It now 
is named getIndicesBROKEN() and shall be removed when the codebase is updated
to not call it

llvm-svn: 1338
 2001-11-26 16:56:19 +00:00
Chris Lattner
47661d9be5 Implement array indexing 
llvm-svn: 1337
 2001-11-26 16:54:55 +00:00
Chris Lattner
a459583ba8 Implement array indexing with uints 
llvm-svn: 1336
 2001-11-26 16:54:11 +00:00
Chris Lattner
c6539d556a * Implement more powerful expr analysis of cast instructions 
llvm-svn: 1335
 2001-11-26 16:53:50 +00:00
Ruchira Sasanka
50f9f0242a commented out popAllTempValues since it leads to a bug - see code 
llvm-svn: 1327
 2001-11-15 22:03:04 +00:00
Ruchira Sasanka
771ffc7640 Commented some popTempArg.. since it leads to a bug 
llvm-svn: 1326
 2001-11-15 22:02:06 +00:00
Ruchira Sasanka
647337ad60 Added naming to inserted phi copy values - for easy debugging 
llvm-svn: 1325
 2001-11-15 20:46:40 +00:00
Ruchira Sasanka
22092f4ced changed since names of some methods in PhyRegAlloc changed 
llvm-svn: 1324
 2001-11-15 20:25:07 +00:00
Ruchira Sasanka
63203e9c07 Fixed a bug in setReLRegsUsedByMI 
llvm-svn: 1323
 2001-11-15 20:23:19 +00:00
Ruchira Sasanka
bcd55f277e Changed some names of methods, added const etc. 
llvm-svn: 1322
 2001-11-15 20:22:37 +00:00
Vikram S. Adve
8fbf76e494 Fix use of AllocateLocalVar for alloca instruction! 
llvm-svn: 1319
 2001-11-15 15:22:39 +00:00
Vikram S. Adve
bcd2ba2fea Modify AllocateLocalVar method to take a size argument. 
llvm-svn: 1318
 2001-11-15 15:22:26 +00:00
Ruchira Sasanka
897fbc8db8 fixed setUsedRegAtMI 
llvm-svn: 1317
 2001-11-15 15:00:53 +00:00
Vikram S. Adve
44df059d4d Print incoming arguments and return values. 
llvm-svn: 1315
 2001-11-15 15:00:16 +00:00
Vikram S. Adve
b9a32dab69 Fix int->float conversion. 
llvm-svn: 1314
 2001-11-15 14:59:56 +00:00
Chris Lattner
e19d5b4615 -cleangcc pass now remove type names that are never referenced and type names for pointers to primitive types. 
llvm-svn: 1312
 2001-11-15 04:34:46 +00:00
Ruchira Sasanka
9892c23157 Changed phi elimination code 
llvm-svn: 1311
 2001-11-15 00:27:14 +00:00
Vikram S. Adve
48b926e060 Fix cute little bug that was causing the last 
structure offset to be ignored in computing an offset!

llvm-svn: 1310
 2001-11-14 21:24:44 +00:00
Ruchira Sasanka
7b4fe5d51b Small changed to printing a machine operand - It the operand is a def, it prints 
a star after it - only for debugging

llvm-svn: 1309
 2001-11-14 20:05:23 +00:00
Vikram S. Adve
a8f8fd19c0 Don't assume constant operand can only be in position 1! 
llvm-svn: 1308
 2001-11-14 18:49:45 +00:00
Vikram S. Adve
3baa8cefc0 Add function returning which operand holds immediate constant 
for a given opcode.

llvm-svn: 1307
 2001-11-14 18:48:36 +00:00
Vikram S. Adve
9ed66f8e94 Idiotic error in last fix. 
llvm-svn: 1306
 2001-11-14 17:55:02 +00:00
Vikram S. Adve
e3c0a06ef9 Don't need to load a NULL pointer constant from memory! 
llvm-svn: 1305
 2001-11-14 17:24:49 +00:00
Vikram S. Adve
1c7f39af14 Change latency of SETX to improve schedule -- just a hack. 
llvm-svn: 1304
 2001-11-14 15:54:44 +00:00