Vikram S. Adve
bcd2ba2fea
Modify AllocateLocalVar method to take a size argument.
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llvm-svn: 1318
2001-11-15 15:22:26 +00:00
Ruchira Sasanka
897fbc8db8
fixed setUsedRegAtMI
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llvm-svn: 1317
2001-11-15 15:00:53 +00:00
Ruchira Sasanka
9892c23157
Changed phi elimination code
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llvm-svn: 1311
2001-11-15 00:27:14 +00:00
Ruchira Sasanka
7b4fe5d51b
Small changed to printing a machine operand - It the operand is a def, it prints
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a star after it - only for debugging
llvm-svn: 1309
2001-11-14 20:05:23 +00:00
Vikram S. Adve
a8f8fd19c0
Don't assume constant operand can only be in position 1!
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llvm-svn: 1308
2001-11-14 18:49:45 +00:00
Vikram S. Adve
9ed66f8e94
Idiotic error in last fix.
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llvm-svn: 1306
2001-11-14 17:55:02 +00:00
Vikram S. Adve
e3c0a06ef9
Don't need to load a NULL pointer constant from memory!
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llvm-svn: 1305
2001-11-14 17:24:49 +00:00
Ruchira Sasanka
6d6f616a06
Added support method for setting interference for pseudo instructions
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llvm-svn: 1303
2001-11-14 15:37:13 +00:00
Ruchira Sasanka
f00a3e0aab
Added interference for args in pseudo instructions
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llvm-svn: 1300
2001-11-14 15:33:58 +00:00
Chris Lattner
4046596beb
Remove much cruft from the MemAccessInst instruction
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llvm-svn: 1298
2001-11-14 11:27:58 +00:00
Ruchira Sasanka
a39f918171
commented out lines printing code after scheduling
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llvm-svn: 1295
2001-11-13 23:12:53 +00:00
Ruchira Sasanka
b1e6823bc1
Fixed a bug concering LR spilling. Earlier, added spilled code was not inserted
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into the instruction stream correctly.
llvm-svn: 1294
2001-11-13 23:09:30 +00:00
Vikram S. Adve
3df85d6132
Do the same for allocating spills to get their alignment right too.
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llvm-svn: 1285
2001-11-12 23:40:22 +00:00
Vikram S. Adve
af9c0a766a
When allocating space on stack for writing a register,
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use the size of the register, not the size of the Value type,
to get the right alignment.
llvm-svn: 1284
2001-11-12 23:26:35 +00:00
Vikram S. Adve
0bd498dd38
Bug fix in offset alignment computations: don't subtract the padding
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value from size *before* subtracting size from offset!
llvm-svn: 1283
2001-11-12 23:26:23 +00:00
Ruchira Sasanka
d6c5e0f535
For phi elimination, now we are generating only one instruction
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using cpValue2Value instead of
passing vector to createCopyInstructionByType.
llvm-svn: 1272
2001-11-12 19:42:27 +00:00
Vikram S. Adve
624846d3fd
Eliminate most uses of the machine instruction vector for each LLVM instr,
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since some m. instr. may be generated by LLVM instrs. in other blocks.
Handle non-SSA (anti and output) edges and true edges uniformly by
working with machine instructions alone.
llvm-svn: 1269
2001-11-12 18:53:43 +00:00
Ruchira Sasanka
9b7638e108
Added phi elimination code - not final
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llvm-svn: 1264
2001-11-12 14:44:50 +00:00
Vikram S. Adve
1fc185b8e7
Improved printing routines.
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llvm-svn: 1263
2001-11-12 14:19:47 +00:00
Vikram S. Adve
3a5bf13976
Major improvement to how nodes are built for a BB.
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LLVM instruction is no longer recorded in each node, but BB is.
llvm-svn: 1262
2001-11-12 14:18:01 +00:00
Vikram S. Adve
31372d2b26
Adjust all stack variable offsets to be aligned by size.
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llvm-svn: 1261
2001-11-12 05:17:23 +00:00
Vikram S. Adve
51265e7072
Fix errors in computing downgrowing offsets, and in
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computing size of extra outgoing args.
llvm-svn: 1256
2001-11-11 21:23:33 +00:00
Vikram S. Adve
0b0bd6e749
Only add true dep. edges from an earlier to a later instruction.
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This wasn't a problem until we started putting copies for Phi values
that produced cycles in the SchedGraph!
llvm-svn: 1254
2001-11-11 01:23:27 +00:00
Ruchira Sasanka
bf9791fe90
Changed code to ignore Phi Nodes in PhyRegAlloc
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llvm-svn: 1253
2001-11-10 21:21:36 +00:00
Ruchira Sasanka
699d104906
Coalesing bug fix - now checks for the same regType instead of the same
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regClass since FP class has two reg Types.
llvm-svn: 1236
2001-11-10 00:20:24 +00:00
Ruchira Sasanka
c32ebd1a4e
No major change
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llvm-svn: 1235
2001-11-09 23:49:42 +00:00
Vikram S. Adve
cc746868d7
Use node->getOpCode() instead of node->getMachineInstr()->getOpCode().
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Much nicer.
llvm-svn: 1223
2001-11-09 02:14:20 +00:00
Chris Lattner
d0f1f10bec
Add method decl
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llvm-svn: 1217
2001-11-08 20:55:05 +00:00
Ruchira Sasanka
5ebbfbdd2e
corrected insertCode4Spilled ... bug.
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llvm-svn: 1212
2001-11-08 19:11:30 +00:00
Ruchira Sasanka
1f95b36e06
Uncommented LR spill code insertion
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llvm-svn: 1207
2001-11-08 16:43:25 +00:00
Vikram S. Adve
841ffd6a44
Major change to how defs are found when adding dependences (they
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are now found as part of the initial walk of the machine code).
Also memory load/store instructions can be generated for non-memory
LLVM instructions, which wasn't handled before. It is now.
llvm-svn: 1199
2001-11-08 05:20:23 +00:00
Vikram S. Adve
149bd3837d
MachineCodeForMethod is now an annotation on class Method.
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llvm-svn: 1198
2001-11-08 05:18:18 +00:00
Vikram S. Adve
3cefc04c0a
Added two minor methods.
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llvm-svn: 1187
2001-11-08 04:49:52 +00:00
Vikram S. Adve
2c8710f0c4
Removed class RegStackOffsets and used class MachineCodeForMethod
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directly to manage stack frame.
llvm-svn: 1186
2001-11-08 04:48:50 +00:00
Vikram S. Adve
2cdcbfb6e0
Major overhaul of stack frame management.
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llvm-svn: 1185
2001-11-08 04:47:06 +00:00
Ruchira Sasanka
0b842b90ef
Fixed bug - added code in pushUnconstrainedIGNodes() to check whether a node
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is already pushed to stack by a previous call to the same method.
llvm-svn: 1154
2001-11-06 15:25:38 +00:00
Vikram S. Adve
f83b90af5c
Bug fix: uninitialized variable.
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llvm-svn: 1147
2001-11-06 05:11:05 +00:00
Vikram S. Adve
c3993d28ca
Modified graph construction to use one pass to find all defs.
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Avoids having to handle some special cases that cause complex interactions
with instr. selection.
llvm-svn: 1138
2001-11-05 04:04:23 +00:00
Vikram S. Adve
24fbd417a0
Make reg. numbers signed ints.
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llvm-svn: 1137
2001-11-05 03:56:02 +00:00
Chris Lattner
ea63d43a07
Minor method rename
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llvm-svn: 1119
2001-11-04 08:08:34 +00:00
Ruchira Sasanka
b5a9b22fa7
Added an assertion since it seems like AdjList returns an errornous size in method
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IGNode::pushOnStack().
llvm-svn: 1116
2001-11-03 22:01:09 +00:00
Ruchira Sasanka
77cc18917c
Added support for correct spilling of %ccr
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llvm-svn: 1112
2001-11-03 20:41:22 +00:00
Ruchira Sasanka
116fbe7fc7
Arranged stack frame - needs furhter organization
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llvm-svn: 1108
2001-11-03 17:14:44 +00:00
Ruchira Sasanka
7673c5f6e0
Arranged stack frame - needs furhter organization
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Moved InsertCallerSaveInstr to the SparcRegInfo.cpp
llvm-svn: 1106
2001-11-03 17:13:27 +00:00
Vikram S. Adve
7cb485ebbd
Record constants that need to be emitted in the assembly code.
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llvm-svn: 1010
2001-10-28 21:46:23 +00:00
Vikram S. Adve
ffe94cb175
Allow combinations of True/Anti/Output flags for each edge to
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support, e.g., dependences on Call instructions.
llvm-svn: 1009
2001-10-28 21:45:02 +00:00
Vikram S. Adve
9515b10102
Add edges between call instructions and (a) load/store instructions, and
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(b) any instructions that use or set CC registers. Whether or not the
latter are needed really should be machine-dependent.
llvm-svn: 1008
2001-10-28 21:43:33 +00:00
Ruchira Sasanka
3c4d2dea7c
Added support for spilling
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llvm-svn: 992
2001-10-28 18:15:12 +00:00
Ruchira Sasanka
e095b077cf
Added spill code support; moved insertCallerSaving to SparRegInfo since
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we need to handle %ccr reg in a special way.
llvm-svn: 990
2001-10-28 18:12:02 +00:00
Ruchira Sasanka
9aa7352c15
added support to move "added instructions" after the delay slot
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llvm-svn: 968
2001-10-23 21:38:42 +00:00