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36560 Commits

Author SHA1 Message Date
Evan Cheng a13e5146d4 Update this test case. 
llvm-svn: 46526
 2008-01-29 19:30:05 +00:00
Duncan Sands 032a5d2690 When expanding an operand, it's not the result value 
type that matters but the operand type.  This fixes
2008-01-08-IllegalCMP.ll which crashed with the new
legalize infrastructure because SETCC with result
type i8 and operand type i64 was being custom expanded
by the X86 backend.  With this fix, the gcc build gets
as far as the first libcall.

llvm-svn: 46525
 2008-01-29 19:29:08 +00:00
Chris Lattner ade0abb498 Don't let globalopt hack on volatile loads or stores. 
llvm-svn: 46523
 2008-01-29 19:01:37 +00:00
Ted Kremenek 31cfda76cd Altered ctor for APSInt to accept an optional "isUnsigned" flag. Default 
behavior is unchanged.

llvm-svn: 46521
 2008-01-29 18:55:14 +00:00
Dan Gohman 70de4cb1cd Use empty() instead of comparing size() with zero. 
llvm-svn: 46514
 2008-01-29 13:02:09 +00:00
Dan Gohman cf8827a282 Fix a typo in a comment. 
llvm-svn: 46513
 2008-01-29 12:43:50 +00:00
Dan Gohman d63d9feadd Update this file for 2.0 syntax. 
llvm-svn: 46512
 2008-01-29 12:35:50 +00:00
Dan Gohman 06d31580fb Add comments describing what the loop depth values mean. Also, make a 
minor simplification to the loop depth calculation code.

llvm-svn: 46511
 2008-01-29 12:12:40 +00:00
Dan Gohman 929391a19a Fix 80-col violations. 
llvm-svn: 46510
 2008-01-29 12:09:55 +00:00
Dan Gohman b456a15a5b Remove top-level const qualifiers from casts, avoiding associated 
compiler warnings.

llvm-svn: 46509
 2008-01-29 12:08:20 +00:00
Dan Gohman cd170a7017 Fix a typo in a comment. 
llvm-svn: 46508
 2008-01-29 12:07:11 +00:00
Dan Gohman 57eb1b5711 Fix a typo in a comment. 
llvm-svn: 46507
 2008-01-29 12:06:33 +00:00
Dan Gohman 242223abd5 Add explicit keywords. 
llvm-svn: 46506
 2008-01-29 11:36:12 +00:00
Chris Lattner 00d7cb9942 llvm.sqrt(-0.0) is defined. 
llvm-svn: 46500
 2008-01-29 07:00:44 +00:00
Chris Lattner 17819d971e eliminate additions of 0.0 when they are obviously dead. This has to be careful to 
avoid turning -0.0 + 0.0 -> -0.0 which is incorrect.

llvm-svn: 46499
 2008-01-29 06:52:45 +00:00
Owen Anderson 95bf1d4d7b Add a testcase for eliminating memcpy's at the end of functions. Forgot to commit this with my last commit. 
llvm-svn: 46497
 2008-01-29 06:40:32 +00:00
Chris Lattner f4e5e556fd Add target triples to these so they don't fail on linux. 
llvm-svn: 46496
 2008-01-29 06:26:07 +00:00
Duncan Sands 05837edae7 Use getPreferredAlignmentLog or getPreferredAlignment 
to get the alignment of global variables, rather than
using hand-made versions.

llvm-svn: 46495
 2008-01-29 06:23:44 +00:00
Owen Anderson 48d37806e2 Add support for eliminating memcpy's at the end of functions. Also fix some errors I noticed in 
the handling of eliminating stores to byval arguments.

llvm-svn: 46494
 2008-01-29 06:18:36 +00:00
Duncan Sands 1e7ec74ad3 This would be better done as an executable test. 
llvm-svn: 46493
 2008-01-29 06:04:54 +00:00
Duncan Sands aaaeee2ac0 After recent changes we fail to optimize this test 
sufficiently to have it pass.  I'm removing it from
the testsuite and adding it to PR452 instead.

llvm-svn: 46492
 2008-01-29 05:57:23 +00:00
Owen Anderson 5aa1615add RegAllocBigBlock doesn't need LiveVariables either. 
llvm-svn: 46488
 2008-01-29 02:32:13 +00:00
Scott Michel 167502a508 Fix to bug 1951: tblgen gratuitously renames variables when no temporary was 
generated. This feature would only show up in fairly complex patterns, such
as this one in CellSPU:

  def : Pat<(add (SPUhi tconstpool:$in, 0), (SPUlo tconstpool:$in, 0)),
	    (IOHLlo (ILHUhi tconstpool:$in), tconstpool:$in)>;

which generated the following emit code:

SDNode *Emit_0(const SDOperand &N, unsigned Opc0, unsigned Opc1, MVT::ValueType VT0, MVT::ValueType VT1) DISABLE_INLINE {
  SDOperand N0 = N.getOperand(0);
  SDOperand N00 = N0.getOperand(0);
  SDOperand N01 = N0.getOperand(1);
  SDOperand N1 = N.getOperand(1);
  SDOperand N10 = N1.getOperand(0);
  SDOperand N11 = N1.getOperand(1);
  SDOperand Tmp3(CurDAG->getTargetNode(Opc0, VT0, N00), 0);
  return CurDAG->SelectNodeTo(N.Val, Opc1, VT1, Tmp3, Tmp2); /* Tmp2 s/b N00 */
}

Tested against the test suites without incident.

llvm-svn: 46487
 2008-01-29 02:29:31 +00:00
Nate Begeman ef33767efb Properly expand extract-element for non-power-of-2 codegen 
llvm-svn: 46486
 2008-01-29 02:24:00 +00:00
Dale Johannesen 2b3bc30420 Handle 'X' constraint in asm's better. 
llvm-svn: 46485
 2008-01-29 02:21:21 +00:00
Devang Patel 67fa0521b6 Filter loops that subtract induction variables. 
These loops are not yet handled.

Fix PR 1912.

llvm-svn: 46484
 2008-01-29 02:20:41 +00:00
Scott Michel ceae3bbf4d Overhaul Cell SPU's addressing mode internals so that there are now 
only two addressing mode nodes, SPUaform and SPUindirect (vice the
three previous ones, SPUaform, SPUdform and SPUxform). This improves
code somewhat because we now avoid using reg+reg addressing when
it can be avoided. It also simplifies the address selection logic,
which was the main point for doing this.

Also, for various global variables that would be loaded using SPU's
A-form addressing, prefer D-form offs[reg] addressing, keeping the
base in a register if the variable is used more than once.

llvm-svn: 46483
 2008-01-29 02:16:57 +00:00
Devang Patel 7bcf58f8a4 New test. 
llvm-svn: 46479
 2008-01-29 01:10:04 +00:00
Bill Wendling f0b7d4993f Add test to make sure that #pragma mark/error doesn't error if there are 
unbalanced quotes.

llvm-svn: 46476
 2008-01-29 00:41:29 +00:00
Ted Kremenek 9fd577a22c Added destructor for template class FoldingSetNodeWrapper. 
Added getValue() to FoldingSetNodeWrapper.

llvm-svn: 46465
 2008-01-28 22:05:23 +00:00
Lauro Ramos Venancio 0f54a09163 Simplify the code and fix a typo. 
llvm-svn: 46458
 2008-01-28 20:02:51 +00:00
Duncan Sands 2a80ba8c7c Pure/const functions with ByVal parameters cannot 
be marked readonly either.

llvm-svn: 46456
 2008-01-28 19:25:47 +00:00
Lauro Ramos Venancio 99929d20e7 Fix fpcmp infinite loop when comparing "29-266" with "29-268". 
llvm-svn: 46455
 2008-01-28 18:23:23 +00:00
Chris Lattner a116071547 this test is now compiled into the right thing. 
llvm-svn: 46454
 2008-01-28 17:38:46 +00:00
Duncan Sands 9f6f4d39f7 Unbreak builds with differing object and source 
directories.  Patch by Sam Bishop.

llvm-svn: 46453
 2008-01-28 17:38:30 +00:00
Duncan Sands 54af54fe08 Make this more likely to be passed byval. 
llvm-svn: 46451
 2008-01-28 10:35:11 +00:00
Bill Wendling 96a1b810ec If the function has no machine instructions, then emit a "nop" so that 
the function label isn't associated with something it shouldn't be.

llvm-svn: 46449
 2008-01-28 09:15:03 +00:00
Chris Lattner a8b4a56061 Transform calls to memcpy into llvm.memcpy calls, patch by Eli Friedman. 
llvm-svn: 46433
 2008-01-28 04:41:43 +00:00
Chris Lattner 6379fc68ff reduce duplicate -I flags passed to the compiler, cleaning up the VERBOSE 
output.  Patch contributed by Sam Bishop!

llvm-svn: 46432
 2008-01-28 04:18:41 +00:00
Nick Lewycky 8ea81e8ba4 Handle some more combinations of extend and icmp. Fixes PR1940. 
llvm-svn: 46431
 2008-01-28 03:48:02 +00:00
Chris Lattner 710b441174 Fix PR1932 by disabling an xform invalid for fdiv. 
llvm-svn: 46429
 2008-01-28 00:58:18 +00:00
Chris Lattner 2f2427e5aa make handling of overflow and undefined results much more clear. 
Patch by Eli Friedman, thanks!

llvm-svn: 46428
 2008-01-28 00:36:27 +00:00
Chris Lattner 1b706dd680 Fix PR1938 by forcing the code that uses an undefined value to branch one 
way or the other.  Rewriting the code itself prevents subsequent analysis
passes from making contradictory conclusions about the code that could 
cause an infeasible path to be made feasible.

llvm-svn: 46427
 2008-01-28 00:32:30 +00:00
Chris Lattner 9422fb70fe Always for PACKAGEVERSION to 'mainline' for teh llvm web page. 
llvm-svn: 46425
 2008-01-27 23:43:26 +00:00
Chris Lattner 2ee91f4300 Fix PowerPC/./2007-10-18-PtrArithmetic.ll 
llvm-svn: 46424
 2008-01-27 23:32:17 +00:00
Chris Lattner 34d6b6a319 Update this test. Due to dag combiner improvements, we now compile 
f7/f11 to:

_f7:
	eor r0, r0, #2, 2 @ -2147483648
	bx lr
_f11:
	bic r0, r0, #2, 2 @ -2147483648
	bx lr

instead of:

_f7:
	fmsr s0, r0
	fnegs s0, s0
	fmrs r0, s0
	bx lr

_f11:
	fmsr s0, r0
	fabss s0, s0
	fmrs r0, s0
	bx lr

llvm-svn: 46423
 2008-01-27 23:26:37 +00:00
Chris Lattner d0496d0433 fix a crash on CodeGen/X86/vector-rem.ll 
llvm-svn: 46422
 2008-01-27 23:21:58 +00:00
Chris Lattner d329270854 Add support for frameworks. Patch by Shantonu Sen! 
llvm-svn: 46421
 2008-01-27 22:58:59 +00:00
Owen Anderson 9a8c890c02 Reg alloc doesn't really need LiveVariables. 
llvm-svn: 46420
 2008-01-27 22:00:00 +00:00
Owen Anderson e913aad94e Fixes for BreakCriticalMachineCodeEdge by Fernando. 
llvm-svn: 46419
 2008-01-27 19:51:03 +00:00