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152 Commits

Author SHA1 Message Date
Chris Lattner e21336000b Fix handling of function calls that return void 
llvm-svn: 4925
 2002-12-04 23:50:28 +00:00
Chris Lattner 4859c65d48 Implement initial support for return values from call instructions 
llvm-svn: 4924
 2002-12-04 23:45:28 +00:00
Misha Brukman 81c7a3a84c Adjust the stack pointer after a function call, proportional to the number of 
arguments pushed onto the stack.

llvm-svn: 4922
 2002-12-04 19:22:53 +00:00
Chris Lattner 82cc643401 Remove think-o assertion 
llvm-svn: 4917
 2002-12-04 17:18:30 +00:00
Chris Lattner ccf17c6564 Avoid crashing on Arguments, just silently miscompile 
llvm-svn: 4916
 2002-12-04 17:15:34 +00:00
Chris Lattner bc98081090 Fix a bug I introduced in a previous change 
llvm-svn: 4909
 2002-12-04 06:56:56 +00:00
Chris Lattner 6425a502a6 Add support for referencing global variables/functions 
llvm-svn: 4907
 2002-12-04 06:45:19 +00:00
Chris Lattner 645b7548bf Fix instsel for calls 
llvm-svn: 4891
 2002-12-03 20:30:12 +00:00
Chris Lattner 6a0874071b Fix the build 
llvm-svn: 4884
 2002-12-03 18:15:59 +00:00
Brian Gaeke b676857358 brg 
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 5485c079d1 brg 
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 7dcb1436da Don't add implicit regs 
llvm-svn: 4840
 2002-12-01 23:24:58 +00:00
Brian Gaeke 2ad3501d3f brg 
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 23953e0f8a brg 
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 4ba2cb110a brg 
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 aa91eae6af lib/Target/X86/InstSelectSimple.cpp: Add visitCallInst, visitCastInst. 
llvm-svn: 4821
 2002-11-22 11:07:01 +00:00
Chris Lattner 174a94007d Don't add implicit operands 
llvm-svn: 4817
 2002-11-21 22:49:20 +00:00
Chris Lattner cf7c225e06 Remove implicit information from instruction selector 
llvm-svn: 4811
 2002-11-21 18:54:29 +00:00
Chris Lattner 5e50475adb Fix a bug that prevented compilation of multiple functions 
llvm-svn: 4809
 2002-11-21 17:26:58 +00:00
Chris Lattner 41e2d4cdcf Rename the SetCC X86 instructions to reflect the fact that they are the 
register versions

llvm-svn: 4800
 2002-11-21 16:19:42 +00:00
Chris Lattner 45ddd59da5 Simplify setcc code a bit 
llvm-svn: 4799
 2002-11-21 15:52:38 +00:00
Chris Lattner 3a3ac9d225 Dont' set flags 
llvm-svn: 4797
 2002-11-21 01:59:50 +00:00
Misha Brukman eaaceb1210 Add mapping in MachineFunction from SSA regs to Register Classes. Also, 
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 a648bc6674 Brian Gaeke says: 
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 64c3bb99ed Fix minor detail 
llvm-svn: 4725
 2002-11-17 22:33:26 +00:00
Chris Lattner cb57e5ca17 Fix Mul/Div clobbers 
llvm-svn: 4718
 2002-11-17 21:56:38 +00:00
Chris Lattner ecdb49d74a Fix a few typos, implement load/store 
llvm-svn: 4716
 2002-11-17 21:11:55 +00:00
Chris Lattner 09fddd97fb Switch visitRet to use getClass() 
llvm-svn: 4710
 2002-11-17 20:07:45 +00:00
Brian Gaeke e74543584a include/llvm/CodeGen/MachineInstrBuilder.h: Add addClobber() inline 
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 b2687880e2 InstSelectSimple.cpp: (visitReturnInst) Add return instructions with return 
values.
X86InstrInfo.def: add LEAVE instruction.

llvm-svn: 4691
 2002-11-11 19:37:09 +00:00
Brian Gaeke 9cbe229704 Add instruction selection code and tests for setcc instructions 
llvm-svn: 4603
 2002-11-07 17:59:21 +00:00
Chris Lattner 781986c436 Implement signed and unsigned division and remainder 
llvm-svn: 4508
 2002-11-02 20:54:46 +00:00
Chris Lattner d12e1bc777 Implement multiply operator 
llvm-svn: 4506
 2002-11-02 20:28:58 +00:00
Chris Lattner e823fb32f4 * Implement subtract 
* Merge add code into logical code

llvm-svn: 4503
 2002-11-02 20:13:22 +00:00
Chris Lattner dd873d2179 shuffle code around a bit, implement and, or, xor 
llvm-svn: 4502
 2002-11-02 20:04:26 +00:00
Chris Lattner abe3280ad9 Add PHI node support, add comment for branch function 
llvm-svn: 4500
 2002-11-02 19:45:49 +00:00
Chris Lattner 16af2d5aa8 Implement unconditional branching support 
llvm-svn: 4498
 2002-11-02 19:27:56 +00:00
Chris Lattner cfb187f6bb * Fix nonconstant shift case 
* Turn table into 2d table

llvm-svn: 4496
 2002-11-02 01:41:55 +00:00
Chris Lattner ff3d28f403 Use a more table driven approach to handling types. Seems to simplify the 
code a bit

llvm-svn: 4493
 2002-11-02 01:15:18 +00:00
Chris Lattner 63f4e752cd Make switch statements denser, but only because of the follow-on patch 
llvm-svn: 4492
 2002-11-02 00:49:56 +00:00
Chris Lattner 122b73b7a6 * Remove dead variable 
* Shift amount is always guaranteed to be 8 bits

llvm-svn: 4491
 2002-11-02 00:44:25 +00:00
Brian Gaeke 6e2d676829 InstSelectSimple.cpp: Include llvm/iOther.h for ShiftInst. 
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 c9e1efd0f8 Make sure to set the destination register correctly 
llvm-svn: 4444
 2002-10-30 01:49:01 +00:00
Chris Lattner e3ceb17d54 Make sure to pass the LLVM basic block in 
llvm-svn: 4433
 2002-10-30 00:47:40 +00:00
Chris Lattner 7ee171b717 Construct annotation, to make sure it's attached to function 
llvm-svn: 4429
 2002-10-29 23:40:58 +00:00
Chris Lattner 02a3d837c2 Convert backend to use passes, implement X86TargetMachine 
llvm-svn: 4421
 2002-10-29 22:37:54 +00:00
Chris Lattner 27d247978b Rename X86InstructionInfo to X86InstrInfo 
llvm-svn: 4413
 2002-10-29 21:05:24 +00:00
Chris Lattner f57420ee17 Minor renaming 
llvm-svn: 4410
 2002-10-29 20:48:56 +00:00
Chris Lattner 2990e9b6cd Switch to generating machineinstr's instead of MInstructions 
llvm-svn: 4396
 2002-10-29 17:43:55 +00:00
Chris Lattner 52c2d10a19 Remove dead fixme 
llvm-svn: 4300
 2002-10-27 21:23:43 +00:00
Chris Lattner 7d3e5dbf2b Instruction select constant arguments correctly 
llvm-svn: 4297
 2002-10-27 21:16:59 +00:00
Chris Lattner d92fb0058b Initial checkin of X86 backend. 
We can instruction select exactly one instruction 'ret void'.  Wow.

llvm-svn: 4284
 2002-10-25 22:55:53 +00:00