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577cc32d9a
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3566 Commits

Author SHA1 Message Date
Reid Spencer
577cc32d9a For PR1297: 
Change getOperationName to return std::string instead of const char*


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35545 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-01 07:32:19 +00:00
Chris Lattner
c8d288f8fa move a bunch of code out of the sdisel pass into its own opt pass "codegenprepare". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35529 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-31 04:18:03 +00:00
Chris Lattner
d2f340b746 switch TL::getValueType to use MVT::getValueType. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35527 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-31 04:05:24 +00:00
Chris Lattner
31442f9dc5 Add a -print-lsr-output option to LLC, to print the output of the LSR pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35522 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-31 00:24:43 +00:00
Chris Lattner
1436bb657d add one addressing mode description hook to rule them all. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35520 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-30 23:14:50 +00:00
Dale Johannesen
2041a0ef75 Fix incorrect combination of different loads. Reenable zext-over-truncate 
combination.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35517 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-30 21:38:07 +00:00
Evan Cheng
7cb33c8652 Don't add the same MI to register reuse "last def/use" twice if it reads the 
register more than once.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35513 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-30 20:21:35 +00:00
Evan Cheng
2f52457539 Bug fix for PR1279. When isDead is propagate by copy coalescing, we keep length 
of dead def live interval at 1 to avoid multiple def's targeting the same
register. The previous patch missed a case where the source operand is live-in.
In that case, remove the whole interval.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35512 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-30 20:18:35 +00:00
Evan Cheng
b0b6c76ffe Disable load width reduction xform of variant (zext (truncate load x)) for 
big endian targets until llvm-gcc build issue has been resolved.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35449 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-29 07:56:46 +00:00
Evan Cheng
974777868c New entries. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35445 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-29 02:48:56 +00:00
Evan Cheng
197d19d11c Notes on re-materialization. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35420 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-28 08:30:04 +00:00
Evan Cheng
2005a02f32 Move rematerialization out of beta. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35419 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-28 08:26:40 +00:00
Evan Cheng
7aff11a1ed Scale 1 is always ok. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35407 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-28 01:55:52 +00:00
Evan Cheng
caaf69107e Remove isLegalAddressImmediate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35406 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-28 01:53:55 +00:00
Evan Cheng
baeccc8741 GEP index sinking fixes: 
1) Take address scale into consideration. e.g. i32* -> scale 4.
2) Examine all the users of GEP.
3) Generalize to inter-block GEP's (no longer uses loopinfo).
4) Don't do xform if GEP has other variable index(es).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35403 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-28 01:49:39 +00:00
Evan Cheng
d592a28ca1 Fix for PR1279. Dead def has a live interval of length 1. Copy coalescing should 
not violate that.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35396 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-28 01:30:37 +00:00
Anton Korobeynikov
dd43321079 Remove dead code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35380 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-27 12:05:48 +00:00
Anton Korobeynikov
b17b08d1f2 Split big monster into small helpers. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35379 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-27 11:29:11 +00:00
Evan Cheng
d0083bc5ec SDISel does not preserve all, it changes CFG and other info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35376 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-27 00:53:36 +00:00
Evan Cheng
018d6e1537 Don't call getOperandConstraint() if operand index is greater than 
TID->numOperands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35375 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-27 00:48:28 +00:00
Evan Cheng
ad7ccf34b5 Fix for PR1266. Don't mark a two address operand IsKill. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35365 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 22:40:42 +00:00
Evan Cheng
32eb1f1ca4 Change findRegisterUseOperand() to return operand index instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35363 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 22:37:45 +00:00
Dale Johannesen
c6b9ef80a8 Fix reversed logic in getRegsUsed. Rename RegStates to RegsAvailable to 
hopefully forestall similar errors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35362 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 22:23:54 +00:00
Evan Cheng
15213b77cf SIGN_EXTEND_INREG requires one extra operand, a ValueType node. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35350 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 07:12:51 +00:00
Anton Korobeynikov
3a84b9baf6 First step of switch lowering refactoring: perform worklist-driven 
strategy, emit JT's where possible.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35338 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 15:07:15 +00:00
Chris Lattner
5df99b376f Implement support for vector operands to inline asm, implementing 
CodeGen/X86/2007-03-24-InlineAsmVectorOp.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35332 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 05:00:54 +00:00
Chris Lattner
c13dd1cf4c implement initial support for the silly X constraint. Testcase here: CodeGen/X86/2007-03-24-InlineAsmXConstraint.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35327 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 04:35:41 +00:00
Chris Lattner
065421f99f Implement CodeGen/X86/2007-03-24-InlineAsmMultiRegConstraint.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35324 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 02:18:14 +00:00
Chris Lattner
4234f57fa0 switch TargetLowering::getConstraintType to take the entire constraint, 
not just the first letter.  No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35322 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 02:14:49 +00:00
Chris Lattner
82dcb4fe23 don't rely on ADL 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35299 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-24 17:37:03 +00:00
Evan Cheng
dae54ce7fc Adjust offset to compensate for big endian machines. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35293 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-24 00:02:43 +00:00
Evan Cheng
e177e307fc Make sure SEXTLOAD of the specific type is supported on the target. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35289 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-23 22:13:36 +00:00
Evan Cheng
b37b80ce46 Also replace uses of SRL if that's also folded during ReduceLoadWidth(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35286 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-23 20:55:21 +00:00
Evan Cheng
0b063def98 A couple of bug fixes for reducing load width xform: 
1. Address offset is in bytes.
2. Make sure truncate node uses are replaced with new load.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35274 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-23 02:16:52 +00:00
Dan Gohman
ecb7a77885 Change uses of Function::front to Function::getEntryBlock for readability. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35265 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-22 16:38:57 +00:00
Evan Cheng
c88138fb5e More opportunities to reduce load size. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35254 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-22 01:54:19 +00:00
Evan Cheng
2c3535d2a6 Fix for PR1257. Bug in live range shortening as a result of copy coalescing 
where the destination is dead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35252 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-22 01:26:05 +00:00
Dale Johannesen
fa4bce2b76 repair x86 performance, dejagnu problems from previous change 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35245 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-21 21:51:52 +00:00
Evan Cheng
007b69eeaa fold (truncate (srl (load x), c)) -> (smaller load (x+c/vt bits)) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35239 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-21 20:14:05 +00:00
Evan Cheng
c3c70881cf Potential spiller improvement. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35228 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-20 22:22:38 +00:00
Dale Johannesen
8e59e163db do not share old induction variables when this would result in invalid 
instructions (that would have to be split later)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35227 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-20 21:54:54 +00:00
Dale Johannesen
69cb9b78f1 maintain LiveIn when splitting blocks (register scavenging needs it) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35226 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-20 21:35:06 +00:00
Jeff Cohen
c01a53007a Fix some VC++ warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35224 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-20 20:43:18 +00:00
Lauro Ramos Venancio
a0a26b7454 Code clean up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35220 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-20 20:09:03 +00:00
Evan Cheng
29a68fb5b7 Minor bug. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35219 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-20 19:32:11 +00:00
Lauro Ramos Venancio
8334b9fa3b CopyToReg source operand can be a physical register. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35213 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-20 16:46:44 +00:00
Evan Cheng
2638e1a6b9 First cut trivial re-materialization support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35208 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-20 08:13:50 +00:00
Evan Cheng
757072d954 Remove -reduce-joining-phys-regs options. Make it on by default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35165 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-19 18:08:26 +00:00
Evan Cheng
79b098445b Minor bug fix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35153 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-19 04:22:35 +00:00
Evan Cheng
cf596c54d4 - Merge UsedBlocks info after two virtual registers are coalesced. 
- Use distance to closest use to determine whether to abort coalescing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35141 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-18 09:05:55 +00:00