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Commit Graph

27492 Commits

Author SHA1 Message Date
Reid Spencer
8f92705113 Remove unused variable.
llvm-svn: 31382
2006-11-02 20:55:40 +00:00
Reid Spencer
0d18610609 For PR786:
Remove unused variables.

llvm-svn: 31381
2006-11-02 20:46:16 +00:00
Reid Spencer
4bafa71dc1 For PR786:
Turn on -Wunused and -Wno-unused-parameter. Clean up most of the resulting
fall out by removing unused variables. Remaining warnings have to do with
unused functions (I didn't want to delete code without review) and unused
variables in generated code. Maintainers should clean up the remaining
issues when they see them. All changes pass DejaGnu tests and Olden.

llvm-svn: 31380
2006-11-02 20:25:50 +00:00
Jim Laskey
14437996b7 General clean up of teh dwarf writer.
1. Most significant is the folding of debug information entries.  This
reduced self hosted -g SelectionDAGISel.s from 120M to 13M and pretty
close to matching .o file sizes with gcc.

2. Debug information entry printing for debugging the dwarf code.

3. Bring all the code closer to llvm standards.

4. Misc. fixes and doc clean ups.

llvm-svn: 31379
2006-11-02 20:12:39 +00:00
Rafael Espindola
04afe6eb37 move ARMCondCodeToString to ARMAsmPrinter.cpp
remove unused variables from lowerCall

llvm-svn: 31378
2006-11-02 15:00:02 +00:00
Jim Laskey
c770e68c11 Allow FoldingSet clients to pump up the initial hash size.
llvm-svn: 31377
2006-11-02 14:21:26 +00:00
Reid Spencer
c3ef589d23 Remove unused variable.
llvm-svn: 31376
2006-11-02 08:23:44 +00:00
Reid Spencer
7af6c17de0 Remove unused variables.
llvm-svn: 31375
2006-11-02 08:18:15 +00:00
Reid Spencer
34154e10e7 Remove a function prototype that is no longer needed (REM patch missed it)
llvm-svn: 31374
2006-11-02 08:12:02 +00:00
Reid Spencer
cbea78a1bb Get rid of unused variable.
llvm-svn: 31373
2006-11-02 07:59:59 +00:00
Reid Spencer
6e927f953d Add some documentation about the arguments.
llvm-svn: 31372
2006-11-02 03:37:39 +00:00
Andrew Lenharth
c43c2d6966 fix 2006-11-01-vastart.ll
llvm-svn: 31371
2006-11-02 03:05:26 +00:00
Andrew Lenharth
565f838bdb a regression :(
llvm-svn: 31370
2006-11-02 03:04:37 +00:00
Reid Spencer
1abf69e923 For PR950:
Replace the REM instruction with UREM, SREM and FREM.

llvm-svn: 31369
2006-11-02 01:53:59 +00:00
Chris Lattner
a5dc2c5908 new testcase
llvm-svn: 31368
2006-11-02 01:45:28 +00:00
Chris Lattner
38c04a6bd6 Implement the getRegForInlineAsmConstraint method for PPC. With recent
sdisel changes, this eliminates a ton of copies around common inline asms.
For example:

int test2(int Y, int X) {
  asm("foo %0, %1" : "=r"(X): "r"(X));
  return X;
}

now compiles to:

_test2:
        foo r3, r4
        blr

instead of:

_test2:
        mr r2, r4
        foo r2, r2
        mr r3, r2
        blr

GCC produces:

_test2:
        foo r4, r4
        mr r3,r4
        blr

llvm-svn: 31367
2006-11-02 01:44:04 +00:00
Chris Lattner
35cd439221 Allow the getRegForInlineAsmConstraint method to return a register class with
no fixes physreg.  Treat this as permission to use any register in the register
class.  When this happens and it is safe, allow the llvm register allcoator to
allocate the register instead of doing it at isel time.  This eliminates a ton
of copies around common inline asms.  For example:

int test2(int Y, int X) {
  asm("foo %0, %1" : "=r"(X): "r"(X));
  return X;
}

now compiles to:

_test2:
        foo r3, r4
        blr

instead of:

_test2:
        mr r2, r4
        foo r2, r2
        mr r3, r2
        blr

GCC produces:

_test2:
        foo r4, r4
        mr r3,r4
        blr

llvm-svn: 31366
2006-11-02 01:41:49 +00:00
Chris Lattner
4cb79a5f9d generalize this api
llvm-svn: 31365
2006-11-02 01:39:10 +00:00
Evan Cheng
1da5ee8485 Rename
llvm-svn: 31364
2006-11-01 23:18:32 +00:00
Evan Cheng
e57c89ede0 Two-address instructions no longer have to be A := A op C. Now any pair of dest / src operands can be tied together.
llvm-svn: 31363
2006-11-01 23:06:55 +00:00
Devang Patel
ae6d81559a There can be more than one PHINode at the start of the block.
llvm-svn: 31362
2006-11-01 23:04:45 +00:00
Evan Cheng
05d73e7209 Tied-to constraint must be op_with_larger_idx = op_with_smaller_idx or else throw an exception.
llvm-svn: 31361
2006-11-01 23:03:11 +00:00
Evan Cheng
b1ac9f6c12 Added getTiedToSrcOperand() to check for two-address'ness.
llvm-svn: 31360
2006-11-01 23:00:31 +00:00
Evan Cheng
1f18eca4f5 Clean up.
llvm-svn: 31359
2006-11-01 22:39:30 +00:00
Devang Patel
3f3161cee2 Handle PHINode with only one incoming value.
This fixes http://llvm.org/bugs/show_bug.cgi?id=979

llvm-svn: 31358
2006-11-01 22:26:43 +00:00
Devang Patel
d80e7deee2 Testcase from http://llvm.org/bugs/show_bug.cgi?id=979
llvm-svn: 31357
2006-11-01 22:25:48 +00:00
Evan Cheng
5479bb9fc4 CopyFromReg starts a live range so its use should not be considered a floater.
llvm-svn: 31356
2006-11-01 22:17:06 +00:00
Reid Spencer
198701d5ec Make ScalarEvolution actually use a ZeroExtend expression instead of
having SCZeroExtendExpr be equivalent to SCTruncate

llvm-svn: 31355
2006-11-01 21:53:12 +00:00
Chris Lattner
f20968bc33 give branch folding a simple heuristic to decide which block to split so that
it inserts an uncond branch where it is less likely to cause a problem.  This
fixes some perf issues on ppc.

llvm-svn: 31354
2006-11-01 19:36:29 +00:00
Chris Lattner
7def2775bd extra pass is required now
llvm-svn: 31353
2006-11-01 18:30:25 +00:00
Chris Lattner
953b8e6f7d Fix GlobalOpt/2006-11-01-ShrinkGlobalPhiCrash.ll and McGill/chomp
llvm-svn: 31352
2006-11-01 18:03:33 +00:00
Chris Lattner
a15b1d2d3a new testcase that crashes global opt, reduced from chomp
llvm-svn: 31351
2006-11-01 18:02:53 +00:00
Reid Spencer
bbb6c7b698 Partial update for Release 1.9
llvm-svn: 31350
2006-11-01 16:15:04 +00:00
Rafael Espindola
3ae2b33d17 print null values in bss
llvm-svn: 31349
2006-11-01 14:26:44 +00:00
Rafael Espindola
a52f709418 implement zextload bool and truncstore bool
llvm-svn: 31348
2006-11-01 14:13:27 +00:00
Evan Cheng
83b0827a2e Add a printSetLabel that takes two id's.
llvm-svn: 31347
2006-11-01 09:23:08 +00:00
Chris Lattner
2cedfa5156 Factor gep instructions through phi nodes.
llvm-svn: 31346
2006-11-01 07:43:41 +00:00
Chris Lattner
01a3d12bda remove a testcase for a marginal feature
llvm-svn: 31345
2006-11-01 07:15:44 +00:00
Chris Lattner
61ea2af8fe Turn a phi of many loads into a phi of the address and a single load of the
result.  This can significantly shrink code and exposes identities more
aggressively.

llvm-svn: 31344
2006-11-01 07:13:54 +00:00
Evan Cheng
790d5c7697 Fix ldmxcsr JIT encoding.
llvm-svn: 31343
2006-11-01 06:53:52 +00:00
Chris Lattner
e43c3b1681 Fix a bug in the previous patch
llvm-svn: 31342
2006-11-01 04:55:47 +00:00
Chris Lattner
7211110992 Fold things like "phi [add (a,b), add(c,d)]" into two phi's and one add.
This triggers thousands of times on multisource.

llvm-svn: 31341
2006-11-01 04:51:18 +00:00
Evan Cheng
67c04b1f2a Print jumptable index.
llvm-svn: 31340
2006-11-01 04:48:30 +00:00
Reid Spencer
a47902dc6f Remove unnecessary sign conversions made possible by last patch.
llvm-svn: 31339
2006-11-01 03:45:43 +00:00
Reid Spencer
ea7b487e03 Fix a bug in the interpreter where divides of unmatched signed operands
would fail. E.g. udiv sint X, Y  or sdiv uint X, Y would fail to find a
type match in the switch statement and fail the operation.

llvm-svn: 31338
2006-11-01 03:41:05 +00:00
Chris Lattner
b459c08384 make tail merging more aggressive. If two blocks share a common tail, but the
tail is not an entire block for either of them, pick one, split it, then
merge the common part.

llvm-svn: 31336
2006-11-01 01:16:12 +00:00
Chris Lattner
5651528580 enable branch folding with an option
llvm-svn: 31335
2006-11-01 00:38:31 +00:00
Evan Cheng
a585562f95 Not meant to be checked in.
llvm-svn: 31334
2006-11-01 00:27:59 +00:00
Evan Cheng
c566892bd5 Add operand constraints to TargetInstrInfo.
llvm-svn: 31333
2006-11-01 00:27:05 +00:00
Evan Cheng
f49cb35d90 Add constraints to Instruction class.
llvm-svn: 31332
2006-11-01 00:26:27 +00:00