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79de6319b1
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998 Commits

Author SHA1 Message Date
Chris Lattner
79de6319b1 Update to use new interface for register info 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5098 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-17 04:19:17 +00:00
Chris Lattner
9208bbf5c9 New file 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5097 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-17 04:03:08 +00:00
Chris Lattner
3bbe7cc51d Round number of bytes allocated on the stack up to a multiple of 4 so that the 
stack remains aligned


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5095 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-17 03:15:26 +00:00
Chris Lattner
14322cd337 Local register allocator is now stable enough for use, it passes all tests 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5094 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-17 02:51:15 +00:00
Chris Lattner
6c6cf873f3 Register allocator is responsible for spilling callee saved regs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5092 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-17 02:48:57 +00:00
Chris Lattner
3bd9409349 Build add instructions of the correct form! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5090 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-16 23:36:57 +00:00
Chris Lattner
14aa7fe238 Two fixes: 
* Only load incoming arguments into virtual registers once at the
    beginning of the function
  * Assign different virtual registers to each reference to constants/globals


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5088 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-16 22:54:46 +00:00
Chris Lattner
3fc14c2602 Fix prolog/epilog in the presence of alloca 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5087 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-16 22:29:30 +00:00
Chris Lattner
4863fe14de Make sure stack manipulation refers to ESP the right number of times 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5086 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-16 22:29:06 +00:00
Chris Lattner
8a307e8c63 Add some special cases to make common getelementptr cases easier to read/faster 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5084 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-16 19:32:50 +00:00
Chris Lattner
27177cb1c1 Finish implementation of alias list impl 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5083 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-16 19:31:48 +00:00
Chris Lattner
439a27ac42 Add mechanism to select register allocator to use 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5079 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-16 16:15:51 +00:00
Chris Lattner
92aec04cd6 Try #2 to get alias set stuff to work 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5077 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-16 16:14:51 +00:00
Chris Lattner
1894dd6ca9 Add comments 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5076 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-16 15:57:44 +00:00
Chris Lattner
c2fc7ea60b Add info about register aliases, add prototype for createLocalRegisterAllocator 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5075 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-16 15:55:51 +00:00
Chris Lattner
dfb0a541c7 Add info about register file aliasing 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5074 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-16 15:55:25 +00:00
Chris Lattner
1a49517a2c Add information about register file aliasing 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5073 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-16 15:54:59 +00:00
Chris Lattner
880eaa5985 Add call clobber info 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5072 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-16 15:54:42 +00:00
Chris Lattner
1a45626c4c Rename createSimpleX86RegisterAllocator to createSimpleRegisterAllocator 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5071 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-16 14:38:13 +00:00
Brian Gaeke
68b1edca76 brg 
Fix some bugs in use of MBB vs. BB and iterators that are invalidated before
we use them.

Reference targetClass by enum name, not by number.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5069 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-16 04:23:29 +00:00
Chris Lattner
f4b95d94e2 Correct the setting of Def flags on registers that are modified! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5065 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-15 22:38:47 +00:00
Chris Lattner
f0eb7beb66 Give passes nice names! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5059 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-15 21:13:40 +00:00
Chris Lattner
198ab640bb Simplify interfaces used by regalloc to insert code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5052 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-15 20:06:35 +00:00
Chris Lattner
afe628c1d6 Changes to make new TargetRegisterClass interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5050 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-15 19:29:34 +00:00
Chris Lattner
439b76730d * Simplify TargetRegisterClass implementations 
* Change regclass iterators to use an extra level of pointers


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5047 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-15 18:40:36 +00:00
Chris Lattner
6b993ccfe5 Add support to cast from a bool type 
Add support for boolean constants
add getClassB method


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5034 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-15 08:02:15 +00:00
Chris Lattner
d909683591 Use MachineOperand::isFoo methods instead of our own global functions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5033 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-15 08:01:39 +00:00
Chris Lattner
6e49a4b814 Implement indirect function calls 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5024 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-13 14:13:27 +00:00
Misha Brukman
b8ead9dc22 Make function code generation printing debug-only. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5023 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-13 13:16:14 +00:00
Chris Lattner
202a2d0e17 Fix bork in doMultiply 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5021 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-13 13:07:42 +00:00
Chris Lattner
d7d3872fb0 Add sanity checks 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5020 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-13 13:04:04 +00:00
Misha Brukman
87e369d221 Cleaned up the code: factored out switch/case into a separate function, put 
constants in an array for quick lookup. Stole the idea from elsewhere in
Jello.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5017 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-13 12:00:06 +00:00
Chris Lattner
920536333c Insert phi code at top of block 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5015 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-13 11:52:34 +00:00
Brian Gaeke
992447f91b lib/Target/X86/InstSelectSimple.cpp: 
The MachineBasicBlock variable name patrol hereby fines Chris Lattner
one bag of nachos, for shadowing global names while his license to do so
was under suspension.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5014 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-13 11:39:18 +00:00
Chris Lattner
7d25589ee1 Implement cast bool to X 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5012 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-13 11:31:59 +00:00
Brian Gaeke
71794c0069 Rename all BMI MachineBasicBlock operands to MBB. 
Try to mess around with emitGEPOperation's elementSizeReg to make it work,
again.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5011 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-13 11:22:48 +00:00
Chris Lattner
f08ad9f817 Finish up iterator stuph 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5009 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-13 10:50:40 +00:00
Misha Brukman
fa18ade05b Treat longs as ints => pretend they're all 32-bit values and squeeze them into 
32-bit registers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5008 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-13 10:43:09 +00:00
Chris Lattner
333b2fa560 Code gen phi's correctly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5004 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-13 10:09:43 +00:00
Chris Lattner
3faae2dbc2 Print X86 PHI nodes in a sane manner 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5003 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-13 09:59:26 +00:00
Misha Brukman
2b46e8eccc Added moveReg2Reg() and moveImm2Reg() to accomodate moving data around due to 
PHI nodes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5001 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-13 09:54:12 +00:00
Brian Gaeke
ed6902ca89 lib/Target/X86/InstSelectSimple.cpp: Start counting arguments with 2, 
because arguments start two stack slots off of EBP. Break out of the
 for loop once the argument is found. Increment the counter at the end
 of the loop instead of the beginning. Use addRegOffset and compute
 the scale * index part at compile time instead of using the fancy
 load instruction. Just because an instruction set has wacky addressing
 modes doesn't mean we ought to use them (at least, if you believe Dave
 Patterson).

lib/Target/X86/X86InstrBuilder.h: Add some comments.

test/Regression/Jello/test-loadstore.ll:  Let main return int 0.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4999 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-13 09:28:50 +00:00
Brian Gaeke
95780cccef InstSelectSimple.cpp: Give promote32 a comment. Add initial 
implementation of getReg() for arguments.

MachineCodeEmitter.cpp: Fix using EBP with index, scale and no
 displacement (whew!) due to Chris.

Printer.cpp: Fix printing out index and scale in memory references.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4998 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-13 07:56:18 +00:00
Chris Lattner
c0812d8f39 Implement getelementptr constant exprs 
Implement ConstantPointerRefs
Treat long/ulongs as if they were integers.  A hack, but an effective one


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4995 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-13 06:56:29 +00:00
Brian Gaeke
e48ec018a5 brg 
InstSelectSimple.cpp: Add stub implementation of visitFreeInst.
 Add comments that mention how we are failing to implement malloc/free.
 Add initial implementation of visitAllocaInst.

X86TargetMachine.cpp: Include llvm/Transforms/Scalar.h.
 Add LowerAllocations pass before instruction selection.

jello/Makefile: Add scalaropts.a.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4994 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-13 06:46:31 +00:00
Chris Lattner
2067184b42 Emit the right form of mod/rm mod field 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4986 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-13 05:05:05 +00:00
Chris Lattner
276867de18 Nicify a bit 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4985 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-13 05:04:37 +00:00
Chris Lattner
b1224f2d0b Fix encoding of CBW instruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4983 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-13 04:41:31 +00:00
Misha Brukman
07e376bd0d Moves now select correct opcode based on the data size. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4981 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-13 04:24:53 +00:00
Chris Lattner
95b12ba775 Remove extranous #include 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4980 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-13 04:12:24 +00:00