Chris Lattner
70aa4e41ce
Fix handling of function calls that return void
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llvm-svn: 4925
2002-12-04 23:50:28 +00:00
Chris Lattner
b71d7b4dab
Implement initial support for return values from call instructions
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llvm-svn: 4924
2002-12-04 23:45:28 +00:00
Misha Brukman
f8634130dc
Adjust the stack pointer after a function call, proportional to the number of
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arguments pushed onto the stack.
llvm-svn: 4922
2002-12-04 19:22:53 +00:00
Chris Lattner
feeb16616e
Remove think-o assertion
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llvm-svn: 4917
2002-12-04 17:18:30 +00:00
Chris Lattner
e21cfc9b6c
Avoid crashing on Arguments, just silently miscompile
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llvm-svn: 4916
2002-12-04 17:15:34 +00:00
Chris Lattner
6c1a85e870
Fix a bug I introduced in a previous change
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llvm-svn: 4909
2002-12-04 06:56:56 +00:00
Chris Lattner
73ac28801e
Add support for referencing global variables/functions
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llvm-svn: 4907
2002-12-04 06:45:19 +00:00
Chris Lattner
a31be4e958
Fix instsel for calls
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llvm-svn: 4891
2002-12-03 20:30:12 +00:00
Chris Lattner
5629544811
Fix the build
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llvm-svn: 4884
2002-12-03 18:15:59 +00:00
Brian Gaeke
c850694f49
brg
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Add support for cast ... to bool in visitCastInst (it's a start, anyways...)
llvm-svn: 4883
2002-12-03 07:36:03 +00:00
Brian Gaeke
48759a6af9
brg
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X86Implicit.cpp, X86Implicit.h: New files.
InstSelectSimple.cpp: Add some clarifications in visitCallInst comments.
llvm-svn: 4874
2002-12-03 00:51:09 +00:00
Chris Lattner
d7ae75d381
Don't add implicit regs
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llvm-svn: 4840
2002-12-01 23:24:58 +00:00
Brian Gaeke
1700fefdeb
brg
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InstSelectSimple.cpp: Refactor out conversion of byte, short -> int
from visitReturnInst() to new method, promote32().
Use it in both visitReturnInst() and visitCallInst().
llvm-svn: 4839
2002-11-30 11:57:28 +00:00
Brian Gaeke
b6fc905124
brg
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InstSelectSimple.cpp: First draft of visitCallInst method, handling
int/float args.
X86InstrInfo.def: Add entries for CALL with 32-bit pc relative arg, and
PUSH with 32-bit reg arg.
llvm-svn: 4838
2002-11-29 12:01:58 +00:00
Brian Gaeke
d944e15946
brg
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InstSelectSimple.cpp: Add some comments that say what I'm going to do for
calls and casts.
llvm-svn: 4832
2002-11-26 10:43:30 +00:00
Brian Gaeke
2d771c7b5f
lib/Target/X86/InstSelectSimple.cpp: Add visitCallInst, visitCastInst.
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llvm-svn: 4821
2002-11-22 11:07:01 +00:00
Chris Lattner
a147d38780
Don't add implicit operands
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llvm-svn: 4817
2002-11-21 22:49:20 +00:00
Chris Lattner
2112a6d7b8
Remove implicit information from instruction selector
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llvm-svn: 4811
2002-11-21 18:54:29 +00:00
Chris Lattner
d2207d5464
Fix a bug that prevented compilation of multiple functions
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llvm-svn: 4809
2002-11-21 17:26:58 +00:00
Chris Lattner
b1b5855551
Rename the SetCC X86 instructions to reflect the fact that they are the
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register versions
llvm-svn: 4800
2002-11-21 16:19:42 +00:00
Chris Lattner
d6236d8100
Simplify setcc code a bit
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llvm-svn: 4799
2002-11-21 15:52:38 +00:00
Chris Lattner
32bfb6a115
Dont' set flags
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llvm-svn: 4797
2002-11-21 01:59:50 +00:00
Misha Brukman
505ca2e419
Add mapping in MachineFunction from SSA regs to Register Classes. Also,
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uncovered a bug where registers were not being put in a map if they were not
found...
llvm-svn: 4776
2002-11-20 00:58:23 +00:00
Brian Gaeke
49acd3c0ba
Brian Gaeke says:
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lib/Target/X86/InstSelectSimple.cpp: Add a little something to
visitBranchInst which supports conditional branches.
lib/Target/X86/X86InstrInfo.def: Add defs of JNE, JE, CMPri8
llvm-svn: 4755
2002-11-19 09:08:47 +00:00
Chris Lattner
970ae6d569
Fix minor detail
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llvm-svn: 4725
2002-11-17 22:33:26 +00:00
Chris Lattner
72e99c8344
Fix Mul/Div clobbers
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llvm-svn: 4718
2002-11-17 21:56:38 +00:00
Chris Lattner
dcb6f1dbf9
Fix a few typos, implement load/store
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llvm-svn: 4716
2002-11-17 21:11:55 +00:00
Chris Lattner
fb67938381
Switch visitRet to use getClass()
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llvm-svn: 4710
2002-11-17 20:07:45 +00:00
Brian Gaeke
492e05ba01
include/llvm/CodeGen/MachineInstrBuilder.h: Add addClobber() inline
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convenience method. Fix typo in comment.
lib/Target/X86/InstSelectSimple.cpp: Explicitly specify some implicit uses.
Use MOVZX/MOVSX instead of MOV instructions with sign extend instructions.
Take out LEAVE instructions.
32-bit IDIV and DIV use CDQ, not CWQ (CWQ is a typo).
Fix typo in comment and remove some FIXME comments.
lib/Target/X86/Printer.cpp: Include X86InstrInfo.h and llvm/Function.h.
Add some simple code to Printer::runOnFunction to iterate over
MachineBasicBlocks and call X86InstrInfo::print().
lib/Target/X86/X86InstrInfo.def: Make some more instructions with
implicit defs "Void". Add more sign/zero extending "move" insns
(movsx, movzx).
lib/Target/X86/X86RegisterInfo.def: Add EFLAGS as a register.
llvm-svn: 4707
2002-11-14 22:32:30 +00:00
Brian Gaeke
8cfe5d95f1
InstSelectSimple.cpp: (visitReturnInst) Add return instructions with return
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values.
X86InstrInfo.def: add LEAVE instruction.
llvm-svn: 4691
2002-11-11 19:37:09 +00:00
Brian Gaeke
100510d2a8
Add instruction selection code and tests for setcc instructions
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llvm-svn: 4603
2002-11-07 17:59:21 +00:00
Chris Lattner
79296d7609
Implement signed and unsigned division and remainder
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llvm-svn: 4508
2002-11-02 20:54:46 +00:00
Chris Lattner
234cc2848a
Implement multiply operator
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llvm-svn: 4506
2002-11-02 20:28:58 +00:00
Chris Lattner
efa2b8226f
* Implement subtract
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* Merge add code into logical code
llvm-svn: 4503
2002-11-02 20:13:22 +00:00
Chris Lattner
5d1648c792
shuffle code around a bit, implement and, or, xor
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llvm-svn: 4502
2002-11-02 20:04:26 +00:00
Chris Lattner
45000f0eb7
Add PHI node support, add comment for branch function
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llvm-svn: 4500
2002-11-02 19:45:49 +00:00
Chris Lattner
d4010481a7
Implement unconditional branching support
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llvm-svn: 4498
2002-11-02 19:27:56 +00:00
Chris Lattner
2634141328
* Fix nonconstant shift case
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* Turn table into 2d table
llvm-svn: 4496
2002-11-02 01:41:55 +00:00
Chris Lattner
14ce86f5b0
Use a more table driven approach to handling types. Seems to simplify the
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code a bit
llvm-svn: 4493
2002-11-02 01:15:18 +00:00
Chris Lattner
ef1d6548bb
Make switch statements denser, but only because of the follow-on patch
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llvm-svn: 4492
2002-11-02 00:49:56 +00:00
Chris Lattner
b3e08ace0c
* Remove dead variable
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* Shift amount is always guaranteed to be 8 bits
llvm-svn: 4491
2002-11-02 00:44:25 +00:00
Brian Gaeke
2ad8a9cf8b
InstSelectSimple.cpp: Include llvm/iOther.h for ShiftInst.
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Add ISel::visitShiftInst() to instruction select shift instructions.
Add a comment in visitAdd about how to do 64 bit adds.
X86InstrInfo.def: Add register-to-register move opcodes and shift opcodes.
llvm-svn: 4477
2002-10-31 23:03:59 +00:00
Chris Lattner
cbbc96bd8d
Make sure to set the destination register correctly
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llvm-svn: 4444
2002-10-30 01:49:01 +00:00
Chris Lattner
40d5ff97c1
Make sure to pass the LLVM basic block in
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llvm-svn: 4433
2002-10-30 00:47:40 +00:00
Chris Lattner
4352ba0640
Construct annotation, to make sure it's attached to function
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llvm-svn: 4429
2002-10-29 23:40:58 +00:00
Chris Lattner
d3b57a0084
Convert backend to use passes, implement X86TargetMachine
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llvm-svn: 4421
2002-10-29 22:37:54 +00:00
Chris Lattner
82479f668c
Rename X86InstructionInfo to X86InstrInfo
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llvm-svn: 4413
2002-10-29 21:05:24 +00:00
Chris Lattner
0518ad4aea
Minor renaming
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llvm-svn: 4410
2002-10-29 20:48:56 +00:00
Chris Lattner
af52d6564a
Switch to generating machineinstr's instead of MInstructions
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llvm-svn: 4396
2002-10-29 17:43:55 +00:00
Chris Lattner
28d6f5bc40
Remove dead fixme
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llvm-svn: 4300
2002-10-27 21:23:43 +00:00