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Author SHA1 Message Date
Reid Spencer
6f5e61e435 Added a command page for the llvm-abcd tool. 
llvm-svn: 14513
 2004-07-01 02:32:42 +00:00
Misha Brukman
a691e0bff7 Fix indentation to be 2 spaces. 
llvm-svn: 14512
 2004-06-30 22:11:03 +00:00
Misha Brukman
efcb6b8c2c * Coalesce the handy CALL* alias opcodes with the standard ones 
* Congregate more branch-and-link opcodes together
* Mark FP, CPR, and special registers as volatile across calls

llvm-svn: 14511
 2004-06-30 22:00:45 +00:00
Misha Brukman
7089b3d426 * Allow more registers to be allocated from the general register pool 
* Define the condition register class

llvm-svn: 14510
 2004-06-30 21:54:50 +00:00
Misha Brukman
08a07e969f * Inquire about the number of operands from the instruction directly 
* Only check for a register if we are sure the instruction has one allocated

llvm-svn: 14509
 2004-06-30 21:54:12 +00:00
Misha Brukman
010e07078b visitSetCondInst() takes a parameter of type `SetCondInst' 
llvm-svn: 14508
 2004-06-30 21:47:40 +00:00
Jonathan Manton
fcdac89c2b Fixed the tutorial to indicate that we needed to use the llvm namespace. 
llvm-svn: 14507
 2004-06-30 18:10:30 +00:00
Misha Brukman
49e6aa1ba7 Always assume a function may have calls because the printer may add `bl' to get 
the PC in a code sequence for global variables.

llvm-svn: 14506
 2004-06-30 00:09:12 +00:00
Misha Brukman
3422760e16 * Don't save LR when outputting globals: it's already saved on the stack once 
for the function
* Registers aren't necessarily sequential wrt their enums, don't rely on it
  when emitting function arguments into sequential registers
* Remove X86-specific comments about AL/BL/AH/BH/EDX/etc
* Add an abort() for an unimplemented signed right shift
* The src operand for a GEP was never emitted!  Fixed.
* We can skip zero-valued GEP indices as they are no-ops.

"Hello, World!" now works.

llvm-svn: 14505
 2004-06-29 23:45:05 +00:00
Misha Brukman
e9166fd352 * Stop using BBNumbering, we don't really need it 
* Only increment labelNumber once, because it's used by both Load{hi,lo}Addr
* There is no .bss section on PowerPC
* Use .align 2 instead of other random numbers

llvm-svn: 14504
 2004-06-29 23:40:57 +00:00
Reid Spencer
5d7f126aca Fix order and line length of fixed bugs. 
llvm-svn: 14503
 2004-06-29 23:39:24 +00:00
Misha Brukman
79a92e35b4 Set up the prologue and epilogue to be more like the manual and GCC output. 
llvm-svn: 14502
 2004-06-29 23:38:26 +00:00
Misha Brukman
2242e8d27f * Use LA instead of LWZ for LoadLoAddr 
* Specify the isCall bit and caller-save registers for some call instrs

llvm-svn: 14501
 2004-06-29 23:37:36 +00:00
Misha Brukman
a0721ac147 Only allocate non-volatile registers R13-31 (for now). 
llvm-svn: 14500
 2004-06-29 23:35:32 +00:00
Reid Spencer
a8352a0357 Implement verification feature. 
Ensure output occurs even in the face of an error.

llvm-svn: 14499
 2004-06-29 23:34:27 +00:00
Reid Spencer
599f629a83 The analyzer code now lives in the bcreader library. The bcanalyzer lib 
is no more.

llvm-svn: 14498
 2004-06-29 23:33:31 +00:00
Misha Brukman
ddf07d1c08 Lower ConstantExpressions before the code generator. 
llvm-svn: 14497
 2004-06-29 23:33:20 +00:00
Reid Spencer
d15e874bb7 Remove files no longer needed. ConstantReader and InstructionReader were 
integrated into Reader. Parser.* was just a bad idea. AnalyzerInternals.h
is no longer needed. ReaderPrimitives.h was integrated into Reader.h and
Reader.cpp. Dumper.cpp was integrated into Analyzer.cpp. ReaderInternals.h
became Reader.h. AnalyzerWrappers.cpp was integerated into
ReaderWrappers.cpp

llvm-svn: 14496
 2004-06-29 23:32:41 +00:00
Reid Spencer
b8b9962dd1 This is a slimming down of the previous ReaderInternals.h that just 
declares the BytecodeReader class.

llvm-svn: 14495
 2004-06-29 23:31:01 +00:00
Reid Spencer
401a9df238 MAJOR REWRITE. 
- stop passing Buf/BufEnd to every function (now member vars)
- internalize things that used to be in a header file that no one else
  included/needed.
- Remove defunct BCR_TRACE lines
- Standardize error handling with the PARSE_ERROR macro.
- Integrate ConstantReader.cpp and InstructionReader.cpp and reorgnize
  the definition order so that gcc has a chance at optimizing this module
- Standardize case and style of method names.
- Eliminate unneeded header files
- Prepare for Type != Value (bug122) change by splitting Types into their
  own data structures.
- Implement the BytecodeHandler interface calls.
- Provide default implementation of BytecodeHandler interface.

llvm-svn: 14494
 2004-06-29 23:29:38 +00:00
Reid Spencer
e0ce1743c6 Adjustments to allow Bytecode Reading to support the BytecodeHandler 
interface which is called by the reader if a BytecodeHandler is provided.

llvm-svn: 14493
 2004-06-29 23:24:14 +00:00
Reid Spencer
61cff86f35 Merge Dumper.cpp and AnalyzerWrappers.cpp into this file. Also, adjust the 
dumping facility to produce useful output.

llvm-svn: 14492
 2004-06-29 23:23:12 +00:00
Reid Spencer
21cbc878d9 Analyzer moved to ../Reader directory. 
llvm-svn: 14491
 2004-06-29 23:21:53 +00:00
Reid Spencer
976bae4918 Remove newly defunct Analyzer directory. 
llvm-svn: 14490
 2004-06-29 23:21:16 +00:00
Reid Spencer
54405c93a8 Provide support for the BytecodeHandler interface which will be called by 
the bcreader if one is supplied to the bytecode reader's interface
functions.

llvm-svn: 14489
 2004-06-29 23:20:03 +00:00
Reid Spencer
30929e9de2 Fix include guard 
Adjust comments
Make handlers for constants provide useful information.

llvm-svn: 14488
 2004-06-29 23:18:52 +00:00
Reid Spencer
4007ca4da9 Adjust comments to match code. 
Allow analysis to return the module created by the bcreader.

llvm-svn: 14487
 2004-06-29 23:17:34 +00:00
Misha Brukman
9e015dddb8 Fix associativity of parameters to assert(): now it actually makes sense. 
llvm-svn: 14483
 2004-06-29 19:43:20 +00:00
Misha Brukman
b3e4179f42 Convert tabs to spaces. 
llvm-svn: 14482
 2004-06-29 19:28:53 +00:00
Misha Brukman
01841234e8 * Fix saving LR in function prologue 
* Adjust epilogue restore sequence to match the PowerPC documentation

llvm-svn: 14480
 2004-06-29 17:14:42 +00:00
Misha Brukman
08f6a46ce2 Assembly syntax/comment fixes by Nate Begeman. 
llvm-svn: 14479
 2004-06-29 17:13:26 +00:00
Vikram S. Adve
5ad9c7dd34 Restoring this file. 
llvm-svn: 14478
 2004-06-29 14:20:27 +00:00
Chris Lattner
dda82ce624 The code generator should work with unreachable blocks. If not, then this 
is a bug that should be fixed in the code generator, not papered over with
the simplifycfg pass.  Eliminating this makes bugpoint much more useful

llvm-svn: 14477
 2004-06-29 07:20:16 +00:00
Chris Lattner
2abf0134d0 I believe that the code generator now properly handles dead basic blocks. If not, 
this is a bug, and should be fixed.

llvm-svn: 14476
 2004-06-29 07:17:12 +00:00
Chris Lattner
41c3157c70 In line with the previous patch, do not assert out if analyzing a dead basic block. 
llvm-svn: 14475
 2004-06-29 07:16:23 +00:00
Chris Lattner
27c176234c Do not dereference end iterators. It hurts when you do that. 
llvm-svn: 14474
 2004-06-29 06:56:51 +00:00
Chris Lattner
cd1a39bbec Fix a regression from r1.224. In particular, codegen a cast from double -> 
float as a truncation by going through memory.  This truncation was being
skipped, which caused 175.vpr to fail after aggressive register promotion.

llvm-svn: 14473
 2004-06-29 00:14:38 +00:00
Misha Brukman
7627e1ff1a Can't print out machine code before it is constructed. 
llvm-svn: 14472
 2004-06-28 21:16:57 +00:00
Chris Lattner
89f6ba97e3 document new pass 
llvm-svn: 14471
 2004-06-28 19:19:47 +00:00
Misha Brukman
92cc94a0e5 Fix the assembly opcode on LOADLoAddr, courtesy of Nate Begeman. 
llvm-svn: 14470
 2004-06-28 18:27:08 +00:00
Misha Brukman
2f7332b752 Set isBranch and isTerminator bits on all branch instructions. 
llvm-svn: 14469
 2004-06-28 18:23:35 +00:00
Misha Brukman
8f1e58dfe3 Fix loading and storing PC-relative static variables, courtesy of Nate Begeman. 
llvm-svn: 14468
 2004-06-28 18:20:59 +00:00
Misha Brukman
2eccf504e2 No need to generate a lazy-linking stub for internal functions, they can be 
resolved by the static linker.

llvm-svn: 14467
 2004-06-28 18:03:37 +00:00
Misha Brukman
5a52b7aa36 Do not set the `link' bit when branching to the first BB of a function, as it 
will cause an infinite loop.  The link bit is only used for calling functions.

llvm-svn: 14466
 2004-06-28 17:57:40 +00:00
Chris Lattner
2cd723ea22 Add a link to the CFE build instrs next to the CFE download instructions 
llvm-svn: 14465
 2004-06-28 17:14:01 +00:00
Chris Lattner
9e312a4137 Building the C FE is a user-level process 
llvm-svn: 14464
 2004-06-28 17:11:10 +00:00
Misha Brukman
02ac5488d5 Fix spacing around function arguments. 
llvm-svn: 14463
 2004-06-28 15:53:27 +00:00
Chris Lattner
7d6a9bf05c Initial checkin of a simple mod/ref analysis for global variables. This is 
still overly conservative and uses very simple data structures, but it is a
start, and allows elimination of a lot of loads.

llvm-svn: 14462
 2004-06-28 06:33:13 +00:00
Chris Lattner
89393e9cfd Add new header 
llvm-svn: 14461
 2004-06-28 06:31:26 +00:00
Chris Lattner
7d0108c315 Remove unused file 
llvm-svn: 14460
 2004-06-28 00:46:58 +00:00