Chris Lattner
8490f9c92e
Now that MachineFunction/MachineBasicBlock keep a mapping of blocks to ID #'s
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use them instead of a local LiveVariables numbering
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14523 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-01 06:15:32 +00:00
Chris Lattner
ca48eb9f51
Change MBB autonumber a bit to get the reverse mapping as well as a forward
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mapping
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14521 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-01 06:02:27 +00:00
Chris Lattner
51289aa520
Instance var no longer exists
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14520 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-01 06:02:07 +00:00
Chris Lattner
8ba9771549
Start using MBB numbers directly instead of going through the live variables
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map.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14518 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-01 04:29:47 +00:00
Chris Lattner
a5287a6376
Instead of building a private numbering of MBB's use brg's nifty auto-numbering.
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Also convert df_iterator -> df_ext_iterator for subsequent stuff I'm doing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14517 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-01 04:24:29 +00:00
Misha Brukman
d2d5df207a
Fix indentation to be 2 spaces.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14512 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-30 22:11:03 +00:00
Misha Brukman
c661c3001c
* Coalesce the handy CALL* alias opcodes with the standard ones
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* Congregate more branch-and-link opcodes together
* Mark FP, CPR, and special registers as volatile across calls
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14511 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-30 22:00:45 +00:00
Misha Brukman
da7515a378
* Allow more registers to be allocated from the general register pool
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* Define the condition register class
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14510 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-30 21:54:50 +00:00
Misha Brukman
b9e8f97aef
* Inquire about the number of operands from the instruction directly
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* 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'
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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
Misha Brukman
ce76db9083
Always assume a function may have calls because the printer may add `bl' to get
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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
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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
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* 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
Misha Brukman
cbcdb9c0a7
Set up the prologue and epilogue to be more like the manual and GCC output.
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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
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* 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).
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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
Misha Brukman
60f35813fc
Lower ConstantExpressions before the code generator.
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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
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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
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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.
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- 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
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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
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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.
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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.
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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
Misha Brukman
c1f901c589
Fix associativity of parameters to assert(): now it actually makes sense.
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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.
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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
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* 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.
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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.
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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
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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,
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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.
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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.
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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 ->
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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.
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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
Misha Brukman
3905b57442
Fix the assembly opcode on LOADLoAddr, courtesy of Nate Begeman.
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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.
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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.
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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
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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
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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
Misha Brukman
bb4a90820c
Fix spacing around function arguments.
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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
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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
fdd9f1facc
Remove unused file
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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
65f437ce7b
These passes are long dead/obsolete. They never worked in the first place
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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
e6afb74188
Moved IPModRef out of the public include dir
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14455 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-28 00:41:23 +00:00
Chris Lattner
b88fb055c4
Move DependenceGraph.* to lib/Analysis/DataStructure
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14452 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-28 00:32:33 +00:00
Chris Lattner
2de1d32ce1
Moving to lib/Analysis/DataStructure
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14450 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-28 00:29:42 +00:00
Chris Lattner
0ecdcbe63a
Move MemoryDepAnalysis.h into lib/Analysis/DataStructure
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14448 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-28 00:27:16 +00:00
Chris Lattner
71ef8f7adc
Move PgmDependenceGraph.h out of the public include hierarchy
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14446 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-28 00:20:04 +00:00
Brian Gaeke
6bd5551763
Allow saving and restoring of double and float registers.
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Allow copying of float registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14445 91177308-0d34-0410-b5e6-96231b3b80d8
2004-06-27 22:59:56 +00:00