Chris Lattner
01dded2e69
Change to match the newer, simpler, interface
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llvm-svn: 11525
2004-02-17 05:54:57 +00:00
Chris Lattner
ba30c776a6
Add support for folding memory operands into AND and IMUL's
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llvm-svn: 11523
2004-02-17 05:46:06 +00:00
Chris Lattner
8d6eebf0d7
Scrunchify code, by adding helpers. No functionality changes.
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llvm-svn: 11522
2004-02-17 05:35:13 +00:00
Chris Lattner
c9586411cf
Add mem forms of AND instructions
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llvm-svn: 11521
2004-02-17 05:25:50 +00:00
Alkis Evlogimenos
cde4ade314
Add API to check and fold memory operands into instructions.
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llvm-svn: 11519
2004-02-17 04:33:18 +00:00
Chris Lattner
818bcec247
Rename the IMULri* instructions to IMULrri, as they are actually three address
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instructions. Add forms of these instructions that read from memory
llvm-svn: 11518
2004-02-17 04:26:43 +00:00
Alkis Evlogimenos
a5ef4a5da7
Add peephole optimizations for ADD [MEM], IMM8 instructions.
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llvm-svn: 11511
2004-02-16 23:50:18 +00:00
Alkis Evlogimenos
f6ce2e313a
Add two more variants of add. Update comments.
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llvm-svn: 11510
2004-02-16 23:48:42 +00:00
Chris Lattner
544c9781db
Add some ADD instructions that take memory operands for Alkis
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llvm-svn: 11502
2004-02-16 18:19:31 +00:00
Chris Lattner
a95bd44282
Now that the lowerinvoke pass inserts calls to llvm.setjmp/llvm.longjmp, some
...
hacks can be banished. Also, this gives us the opportunity to emit special code
for the setjmp/longjmps which alows the elimination of one GCC warning for every
setjmp/longjmp site (which is often THOUSANDS in C++ programs). Yaay!
llvm-svn: 11484
2004-02-15 22:51:47 +00:00
Alkis Evlogimenos
bbf53937a4
Make dense maps keyed on physical registers smallerusing
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MRegisterInfo::getNumRegs() instead of
MRegisterInfo::FirstVirtualRegister.
Also use MRegisterInfo::is{Physical,Virtual}Register where
appropriate.
llvm-svn: 11477
2004-02-15 21:37:17 +00:00
Chris Lattner
76b2ff4ded
Adjustments to support the new ConstantAggregateZero class
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llvm-svn: 11474
2004-02-15 05:55:15 +00:00
Chris Lattner
7bea8084e0
Add support for the new ConstantAggregateZero class
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llvm-svn: 11473
2004-02-15 05:54:27 +00:00
Chris Lattner
a9084948ff
Implement llvm.(frame|return)address(0) correctly. They are used by the LLVM JIT, among other
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applications
llvm-svn: 11459
2004-02-15 01:04:03 +00:00
Alkis Evlogimenos
636e19d4b1
Fix problem in DEBUG code. I could be pointing past the end and
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dereferencing it causes an assertion error.
llvm-svn: 11458
2004-02-15 00:46:41 +00:00
Chris Lattner
43e82e1152
Fix the 'have a framepointer' case, so that the frame pointer always points
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to the old saved EBP.
llvm-svn: 11455
2004-02-15 00:15:37 +00:00
Alkis Evlogimenos
6a35516dcc
Add back machine code deleter pass until we get a MachineCode pass
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that will be responsible for the creation of MachineFunctions and will
be required by all MachineFunctionPass passes.
llvm-svn: 11453
2004-02-15 00:03:15 +00:00
Chris Lattner
2e4acc0a73
Add support for the 'pop' instruction
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llvm-svn: 11451
2004-02-14 21:06:02 +00:00
Chris Lattner
f54cd1524d
There is no reason to align the stack pointer if there are no callees of this
...
function!
llvm-svn: 11450
2004-02-14 20:11:07 +00:00
Chris Lattner
7dceed5ff9
The prologue/epilogue related method calls have no reason to return a value,
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make them return void.
This allows us to avoid some costly MBB.size() calls
llvm-svn: 11448
2004-02-14 19:49:54 +00:00
Chris Lattner
9f75a55329
finegrainify namespacification, fix 80col prob
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llvm-svn: 11445
2004-02-14 06:00:36 +00:00
Chris Lattner
d6a39eaa70
Urg, right. These need an input value...
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llvm-svn: 11443
2004-02-14 04:47:23 +00:00
Chris Lattner
2f49d5bb35
Codegen llvm.memset into rep stos[bwd]. Simplify code for llvm.memcpy
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llvm-svn: 11442
2004-02-14 04:46:05 +00:00
Chris Lattner
8bed37595d
add 'rep stos[bwd]' instructions
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llvm-svn: 11441
2004-02-14 04:45:37 +00:00
Chris Lattner
f7c1088a36
Add support for the returnaddress and frameaddress intrinsics
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llvm-svn: 11433
2004-02-14 02:55:36 +00:00
Alkis Evlogimenos
5a92240270
Use newly added next() and prior() utility functions.
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llvm-svn: 11430
2004-02-14 01:18:34 +00:00
Chris Lattner
0997f207c2
Use intrinsic lowering like the rest of the backends. Get rid of crufty hacky
...
code that worked around problems in the mangler
llvm-svn: 11426
2004-02-14 00:31:10 +00:00
Chris Lattner
7b5f374a18
There is no need to emit a shift if the size is constant, which is common
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llvm-svn: 11420
2004-02-13 23:36:47 +00:00
Chris Lattner
768fa7d206
Moved directory, update makefile
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llvm-svn: 11417
2004-02-13 23:31:12 +00:00
Chris Lattner
1f9c6eb358
CBackend now lives here
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llvm-svn: 11415
2004-02-13 23:29:20 +00:00
Alkis Evlogimenos
8cdd0215bf
Remove getAllocatedRegNum(). Use getReg() instead.
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llvm-svn: 11393
2004-02-13 21:01:20 +00:00
Chris Lattner
cbf0667743
Squish warning
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llvm-svn: 11375
2004-02-13 16:14:50 +00:00
Chris Lattner
8dc99feeaf
Add support for the rep movs[bwd] instructions, and emit them when code
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generating the llvm.memcpy intrinsic.
llvm-svn: 11351
2004-02-12 17:53:22 +00:00
Alkis Evlogimenos
537805f315
Change interface so that we can add to the end of a basic block
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without getting an assertion from ilist that we are dereferencing
ilist<T>::end().
llvm-svn: 11345
2004-02-12 08:11:04 +00:00
Brian Gaeke
c07b64f3cb
Remove this MachineOpCodeFlags assertion - its test can never be false.
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llvm-svn: 11342
2004-02-12 04:01:07 +00:00
Alkis Evlogimenos
80da865f77
Change MachineBasicBlock's vector of MachineInstr pointers into an
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ilist of MachineInstr objects. This allows constant time removal and
insertion of MachineInstr instances from anywhere in each
MachineBasicBlock. It also allows for constant time splicing of
MachineInstrs into or out of MachineBasicBlocks.
llvm-svn: 11340
2004-02-12 02:27:10 +00:00
Brian Gaeke
b22186adf0
MachineInstr::getOpCode() --> getOpcode() in SPARC back-end.
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llvm-svn: 11335
2004-02-11 20:47:34 +00:00
Chris Lattner
0d10bf8d72
s/getOpCode/getOpcode
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llvm-svn: 11332
2004-02-11 19:26:28 +00:00
Alkis Evlogimenos
8f4142616d
Increase constness.
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llvm-svn: 11322
2004-02-11 17:55:09 +00:00
Alkis Evlogimenos
2f21547208
Remove assert as the only integer registers on the sparc are physical.
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llvm-svn: 11317
2004-02-11 06:04:51 +00:00
Alkis Evlogimenos
fcb99fe370
Fix previous broken commit. A MachineOperand may have opType ==
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MO_VirtualRegister but if the register number is one of a physical
register is it considered as a physical register.
llvm-svn: 11315
2004-02-11 05:55:00 +00:00
Alkis Evlogimenos
adcc14d96a
Remove assert as it is meaningless. MachineOperands can be tagged as
...
MO_VirtualRegister but actually be representing a physical register.
llvm-svn: 11310
2004-02-11 04:52:30 +00:00
Chris Lattner
391e943817
Expose the "Other" value type to tablegen targets
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llvm-svn: 11304
2004-02-11 03:08:45 +00:00
Chris Lattner
b21ec54e61
Add #include
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llvm-svn: 11285
2004-02-10 21:18:55 +00:00
Chris Lattner
1cb6d2697d
Stop using this method
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llvm-svn: 11282
2004-02-10 21:12:06 +00:00
Chris Lattner
8d0dc12c3e
Remove uses of MachineOperand::isVirtualRegister
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llvm-svn: 11281
2004-02-10 20:55:47 +00:00
Chris Lattner
2d5feb5e04
Remvoe use of MO.isVirtualRegister(), turn an assertion into an assert()
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llvm-svn: 11280
2004-02-10 20:47:24 +00:00
Chris Lattner
2aea68ccfd
Remove use of isPhysicalRegister
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llvm-svn: 11277
2004-02-10 20:35:42 +00:00
Chris Lattner
92252f42c3
Don't use MachineOperator::is(Phys|Virt)Register
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llvm-svn: 11276
2004-02-10 20:31:28 +00:00
Chris Lattner
259e98ed27
Tighten up checks
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llvm-svn: 11274
2004-02-10 20:25:13 +00:00
Chris Lattner
ff04d76c57
Fix PR228: [sparc] Boolean constants are emitted as true and false
...
I will observe that the concept of using WriteAsOperand is completely broken,
but then we all knew that, didn't we?
llvm-svn: 11255
2004-02-10 05:16:44 +00:00
Misha Brukman
7f7a842bd6
Doxygenify comments.
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llvm-svn: 11252
2004-02-09 23:18:42 +00:00
John Criswell
4dc5478fbc
Fix PR#226: When emitting padding, always emit it as bytes. Bytes can be
...
placed into any alignment situation.
llvm-svn: 11247
2004-02-09 22:15:33 +00:00
Chris Lattner
ac6db755c3
Adjust to the changed StructType interface. In particular, getElementTypes() is gone.
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llvm-svn: 11228
2004-02-09 04:37:31 +00:00
Chris Lattner
56f9b190e1
Add a new (hidden) option that is useful for profiling.
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llvm-svn: 11218
2004-02-09 01:47:10 +00:00
Alkis Evlogimenos
327426411e
Modify the two address instruction pass to remove the duplicate
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operand of the instruction and thus simplify the register allocation.
llvm-svn: 11124
2004-02-04 22:17:40 +00:00
Brian Gaeke
94b5c3cb91
Take away the default iostream argument of createMachineFunctionPrinterPass(),
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at Chris's request.
llvm-svn: 11120
2004-02-04 21:41:01 +00:00
Alkis Evlogimenos
dbf4b42fde
IMULri* instructions do not require their first two registers operands
...
to be the same (IOW they are not two address instructions).
llvm-svn: 11117
2004-02-04 17:21:04 +00:00
Chris Lattner
d1b1992495
Generate ftst instructions for comparison against zero
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llvm-svn: 11098
2004-02-03 18:54:04 +00:00
Chris Lattner
3c8c72c54f
Add the ftst instruction
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llvm-svn: 11095
2004-02-03 07:27:50 +00:00
Chris Lattner
8161306139
Add support for one argument OneArgFP instructions
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llvm-svn: 11094
2004-02-03 07:27:34 +00:00
Chris Lattner
63b61e8739
No need to declare implicit uses/defs of ST0
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llvm-svn: 11081
2004-02-02 19:57:45 +00:00
Chris Lattner
30d26ac561
Generate the fchs instruction to negate a floating point number
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llvm-svn: 11078
2004-02-02 19:31:38 +00:00
Chris Lattner
7af8ad6444
Add support for OneArgFPRW instructions, fix a couple of typeos
...
llvm-svn: 11077
2004-02-02 19:23:15 +00:00
Brian Gaeke
ac2ced8554
Include PowerPC.h. Flesh out the stub versions of addPassesToEmitAssembly()
...
and addPassesToJITCompile() slightly.
llvm-svn: 11076
2004-02-02 19:06:36 +00:00
Brian Gaeke
2458bd6507
Add comments describing how you would add prototypes for factory methods for
...
PowerPC-specific passes here.
llvm-svn: 11073
2004-02-02 19:05:28 +00:00
Chris Lattner
298fdd7eb1
Codegen -0.0 correctly. Do not use fldz! This is another -0.0 == +0.0 problem, arg.
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llvm-svn: 11070
2004-02-02 18:56:30 +00:00
Alkis Evlogimenos
aeb8a80c71
FpMOV is also a move instruction.
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llvm-svn: 11055
2004-02-01 08:22:16 +00:00
Chris Lattner
112902772a
Add some comments sketching out how this is to work eventually.
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llvm-svn: 11026
2004-01-30 22:25:18 +00:00
Chris Lattner
201c487ad2
Add a new flag, which is only used for symmetry.
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llvm-svn: 11025
2004-01-30 22:24:18 +00:00
Chris Lattner
4710add9dd
Add (currently disabled) support to the instruction selector to only insert
...
FP_REG_KILL instructions at the end of blocks involved with critical edges.
Fix a bug where FP_REG_KILL instructions weren't inserted in fall through
unconditional branches. Perhaps this will fix some linscan problems?
llvm-svn: 11019
2004-01-30 22:13:44 +00:00
Brian Gaeke
f429a0e6dd
Add a new (static inline) std::ostream& << AllocInfo& method. Use it.
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llvm-svn: 11002
2004-01-28 19:05:43 +00:00
Brian Gaeke
f0cc848602
Add the JITInfo object, accessor & initializer.
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llvm-svn: 10972
2004-01-23 06:39:30 +00:00
Brian Gaeke
4880432af8
Add CodeEmitter and JITInfo stubs. Dump the old
...
PowerPCTargetMachine::addPassesToJITCompile() method, in favor of the
TargetJITInfo interface.
llvm-svn: 10971
2004-01-23 06:35:43 +00:00
Brian Gaeke
c38abbd571
Build the PowerPC directory, so it is less likely to bit-rot (again)
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llvm-svn: 10938
2004-01-21 21:16:10 +00:00
Brian Gaeke
b14a3f73cd
Import of skeletal PowerPC backend I have had laying around for months...
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llvm-svn: 10937
2004-01-21 21:13:19 +00:00
Misha Brukman
929d1d1ca1
Use the LLVM standard name mangling infrastructure instead of reinventing the
...
wheel.
llvm-svn: 10891
2004-01-15 22:44:19 +00:00
Brian Gaeke
16d4009a1b
Include TargetRegInfo.h and declare SparcTargetMachine forward, to make this
...
header more easily includable.
llvm-svn: 10880
2004-01-15 18:17:07 +00:00
Brian Gaeke
361c004b88
Make this assertion more self-explanatory.
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llvm-svn: 10879
2004-01-15 18:15:58 +00:00
Chris Lattner
93cd755c05
Eliminate the isStringCompatible function, using ConstantArray::isString.
...
It's not clear why the code was looking for signed chars < 0, but it can't
matter to the assembler anyway, so the check goes away. This also fixes
compatibility with arrays of [us]byte that have constantexprs in them.
Also slightly restructure some code to be cleaner.
llvm-svn: 10854
2004-01-14 17:15:17 +00:00
Chris Lattner
ac2b198ec5
Eliminate the isStringCompatible function, using ConstantArray::isString.
...
It's not clear why the code was looking for signed chars < 0, but it can't
matter to the assembler anyway, so the check goes away.
llvm-svn: 10853
2004-01-14 17:14:42 +00:00
Chris Lattner
66f33ff6c2
Finegrainify namespacification
...
Using the SlotCalculator is total overkill for this file, a simple map
will suffice. Why doesn't this use the NameMangler interface?
llvm-svn: 10823
2004-01-13 21:27:59 +00:00
Brian Gaeke
dbd9c33e5e
Remove dump-input option.
...
Make addPassesToEmitAssembly() look slightly more like addPassesToJITCompile().
llvm-svn: 10818
2004-01-13 19:26:21 +00:00
Chris Lattner
fe2aafe08a
Eliminate use of ConstantHandling itf
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llvm-svn: 10782
2004-01-12 18:08:18 +00:00
Alkis Evlogimenos
975c8bde79
Output mov %REG = 0 instead of xor %REG, %REG, %REG to clear a
...
register so that LiveVariable analysis is not confused.
llvm-svn: 10773
2004-01-12 07:22:45 +00:00
Chris Lattner
4ee36320f4
Move sparc-specific livevar code into lib/Target/Sparc
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llvm-svn: 10733
2004-01-09 18:15:24 +00:00
Chris Lattner
bb6fa4b327
Fix more incestuous #includage.
...
llvm-svn: 10732
2004-01-09 16:17:09 +00:00
Chris Lattner
3d874aebc2
Move InstrSelection into lib/Target/Sparc, as it's sparc specific. This
...
makes the incestuous #include'ing of sparc internal headers much less
disturbing. :)
llvm-svn: 10729
2004-01-09 06:22:34 +00:00
Chris Lattner
b9c7999881
Move lib/Codegen/RegAlloc into lib/Target/Sparc, as it is sparc specific
...
llvm-svn: 10728
2004-01-09 06:17:12 +00:00
Chris Lattner
5d236005b0
Clean up a lot of the code I added yesterday by exposing the IntrinsicLowering
...
implementation from the TargetMachine directly.
llvm-svn: 10636
2003-12-28 21:23:38 +00:00
Alkis Evlogimenos
52564b2071
Add TargetInstrInfo::isMoveInstr() to support coalescing in register
...
allocation.
llvm-svn: 10633
2003-12-28 17:35:08 +00:00
Chris Lattner
10cac58d23
Whoops, don't try to lower non intrinsic calls
...
llvm-svn: 10632
2003-12-28 09:53:23 +00:00
Chris Lattner
c45a033b42
implement support for the intrinsic lowering functionality
...
llvm-svn: 10629
2003-12-28 09:47:19 +00:00
Chris Lattner
dfc5631bfd
Eliminate some code that is not needed now that we have the intrinsic lowering pass
...
llvm-svn: 10628
2003-12-28 09:46:33 +00:00
Chris Lattner
bb661c18c8
finegrainify namespacification
...
add new getIntPtrType() method
llvm-svn: 10579
2003-12-22 05:01:15 +00:00
Misha Brukman
69aa1ccb07
Really release memory used by functions. Patch by Chris.
...
llvm-svn: 10572
2003-12-22 03:47:58 +00:00
Alkis Evlogimenos
2103574b32
Move FP_REG_KILL closer to the return instruction.
...
llvm-svn: 10567
2003-12-21 16:47:43 +00:00
Alkis Evlogimenos
27437e3318
Move FP_REG_KILL closer to the actual branch instruction.
...
llvm-svn: 10563
2003-12-20 17:28:15 +00:00
Alkis Evlogimenos
68cff6bf4d
Remove floating point killer pass. This is now implemented in the
...
instruction selector by adding a new pseudo-instruction
FP_REG_KILL. This instruction implicitly defines all x86 fp registers
and is a terminator so that passes which add machine code at the end
of basic blocks (like phi elimination) do not add instructions between
it and the branch or return instruction.
llvm-svn: 10562
2003-12-20 16:22:59 +00:00
Chris Lattner
452597611f
Finally, _actually delete the machine code_ for a function, after it has
...
been emitted. Also, since the FPK pass is causing memory access violations,
disable it.
llvm-svn: 10559
2003-12-20 10:20:19 +00:00