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Author SHA1 Message Date
Misha Brukman
b9e8f97aef * Inquire about the number of operands from the instruction directly 
* Only check for a register if we are sure the instruction has one allocated


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14509 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-30 21:54:12 +00:00
Misha Brukman
ea09126414 visitSetCondInst() takes a parameter of type `SetCondInst' 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14508 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-30 21:47:40 +00:00
Jonathan Manton
65acb30178 Fixed the tutorial to indicate that we needed to use the llvm namespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14507 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-30 18:10:30 +00:00
Misha Brukman
ce76db9083 Always assume a function may have calls because the printer may add `bl' to get 
the PC in a code sequence for global variables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14506 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-30 00:09:12 +00:00
Misha Brukman
14d8c7a6a0 * 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14505 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 23:45:05 +00:00
Misha Brukman
61297ee118 * 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14504 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 23:40:57 +00:00
Reid Spencer
7b00096e33 Fix order and line length of fixed bugs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14503 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 23:39:24 +00:00
Misha Brukman
cbcdb9c0a7 Set up the prologue and epilogue to be more like the manual and GCC output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14502 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 23:38:26 +00:00
Misha Brukman
5fa2b028b8 * Use LA instead of LWZ for LoadLoAddr 
* Specify the isCall bit and caller-save registers for some call instrs


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14501 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 23:37:36 +00:00
Misha Brukman
8ee0100880 Only allocate non-volatile registers R13-31 (for now). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14500 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 23:35:32 +00:00
Reid Spencer
86a9a7a9c4 Implement verification feature. 
Ensure output occurs even in the face of an error.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14499 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 23:34:27 +00:00
Reid Spencer
53d55432cc The analyzer code now lives in the bcreader library. The bcanalyzer lib 
is no more.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14498 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 23:33:31 +00:00
Misha Brukman
60f35813fc Lower ConstantExpressions before the code generator. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14497 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 23:33:20 +00:00
Reid Spencer
0692dbfa10 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14496 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 23:32:41 +00:00
Reid Spencer
f89143c7de This is a slimming down of the previous ReaderInternals.h that just 
declares the BytecodeReader class.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14495 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 23:31:01 +00:00
Reid Spencer
060d25d1dc 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14494 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 23:29:38 +00:00
Reid Spencer
df45a5485d Adjustments to allow Bytecode Reading to support the BytecodeHandler 
interface which is called by the reader if a BytecodeHandler is provided.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14493 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 23:24:14 +00:00
Reid Spencer
f41aa7397c Merge Dumper.cpp and AnalyzerWrappers.cpp into this file. Also, adjust the 
dumping facility to produce useful output.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14492 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 23:23:12 +00:00
Reid Spencer
cc1091e66b Analyzer moved to ../Reader directory. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14491 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 23:21:53 +00:00
Reid Spencer
46bd33f336 Remove newly defunct Analyzer directory. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14490 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 23:21:16 +00:00
Reid Spencer
78b763b2ad Provide support for the BytecodeHandler interface which will be called by 
the bcreader if one is supplied to the bytecode reader's interface
functions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14489 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 23:20:03 +00:00
Reid Spencer
9c1e05fe75 Fix include guard 
Adjust comments
Make handlers for constants provide useful information.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14488 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 23:18:52 +00:00
Reid Spencer
39e6af456b Adjust comments to match code. 
Allow analysis to return the module created by the bcreader.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14487 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 23:17:34 +00:00
Misha Brukman
c1f901c589 Fix associativity of parameters to assert(): now it actually makes sense. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14483 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 19:43:20 +00:00
Misha Brukman
e8d8fb26a6 Convert tabs to spaces. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14482 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 19:28:53 +00:00
Misha Brukman
e19ca38a32 * Fix saving LR in function prologue 
* Adjust epilogue restore sequence to match the PowerPC documentation


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14480 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 17:14:42 +00:00
Misha Brukman
218bec7bd3 Assembly syntax/comment fixes by Nate Begeman. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14479 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 17:13:26 +00:00
Vikram S. Adve
39c2a8ead5 Restoring this file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14478 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 14:20:27 +00:00
Chris Lattner
1b17438aa8 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14477 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 07:20:16 +00:00
Chris Lattner
23a53aa9c4 I believe that the code generator now properly handles dead basic blocks. If not, 
this is a bug, and should be fixed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14476 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 07:17:12 +00:00
Chris Lattner
91a350ddd1 In line with the previous patch, do not assert out if analyzing a dead basic block. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14475 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 07:16:23 +00:00
Chris Lattner
59850a8f8f Do not dereference end iterators. It hurts when you do that. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14474 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 06:56:51 +00:00
Chris Lattner
8b486a114e 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14473 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 00:14:38 +00:00
Misha Brukman
7cd444082e Can't print out machine code before it is constructed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14472 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-28 21:16:57 +00:00
Chris Lattner
100a4f88ec document new pass 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14471 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-28 19:19:47 +00:00
Misha Brukman
3905b57442 Fix the assembly opcode on LOADLoAddr, courtesy of Nate Begeman. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14470 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-28 18:27:08 +00:00
Misha Brukman
b2edb443e0 Set isBranch and isTerminator bits on all branch instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14469 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-28 18:23:35 +00:00
Misha Brukman
7e5812cd17 Fix loading and storing PC-relative static variables, courtesy of Nate Begeman. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14468 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-28 18:20:59 +00:00
Misha Brukman
a6e58b3cfb No need to generate a lazy-linking stub for internal functions, they can be 
resolved by the static linker.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14467 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-28 18:03:37 +00:00
Misha Brukman
9c661c8e26 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14466 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-28 17:57:40 +00:00
Chris Lattner
604fdc10bb Add a link to the CFE build instrs next to the CFE download instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14465 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-28 17:14:01 +00:00
Chris Lattner
d80ea073dd Building the C FE is a user-level process 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14464 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-28 17:11:10 +00:00
Misha Brukman
bb4a90820c Fix spacing around function arguments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14463 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-28 15:53:27 +00:00
Chris Lattner
3b04a8ac45 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14462 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-28 06:33:13 +00:00
Chris Lattner
15fde2eb83 Add new header 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14461 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-28 06:31:26 +00:00
Chris Lattner
fdd9f1facc Remove unused file 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14460 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-28 00:46:58 +00:00
Chris Lattner
c347dfb767 Remove dead file 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14459 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-28 00:46:54 +00:00
Chris Lattner
cbabe70371 Bad passes are gone 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14458 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-28 00:44:45 +00:00
Chris Lattner
65f437ce7b These passes are long dead/obsolete. They never worked in the first place 
and are a maintenence burden.  Nuke nuke nuke


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14457 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-28 00:44:18 +00:00
Chris Lattner
c755307412 Remove two dead passes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14456 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-28 00:43:25 +00:00