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Author SHA1 Message Date
Owen Anderson 9bfa6fec06 JumpThreading keeps LazyValueInfo up to date, so we don't need to rerun it 
if we schedule another LVI-using pass afterwards.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112722 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 18:27:22 +00:00
Eric Christopher 4e68c7cca4 Add some more load types in. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112721 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 18:01:32 +00:00
Eric Christopher adc581f5cb Speculatively revert 112699 and 112702, they seem to be causing 
self host errors on clang-x86-64.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112719 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 17:29:10 +00:00
Chris Lattner f636aa9c7e have the makefiles check the llvm-config error code instead of charging 
on an producing weird link errors.  Patch by Yuri Gribov!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112714 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 16:11:17 +00:00
Chris Lattner 0b5b18340b dead code patrol 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112713 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 16:06:39 +00:00
Chris Lattner 14ab39e43f zap dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112712 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 16:04:34 +00:00
Chris Lattner 5bcb8a6112 temporarily revert r112664, it is causing a decoding conflict, and 
the testcases should be merged.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112711 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 16:00:50 +00:00
Chris Lattner a51d89ce16 zap dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112708 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 15:44:05 +00:00
Chris Lattner 8861e275d0 remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112707 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 15:39:31 +00:00
Dan Gohman d4c454317a Make tool_output_file's raw_ostream instance a member variable instead 
of a base class.

This makes it possible to unregister the file from FilesToRemove when
the file is done. Also, this eliminates the need for
formatted_tool_output_file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112706 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 14:20:41 +00:00
Dan Gohman 41154114f6 Add an interface for unregistering a file from the FilesToRemove list. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112705 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 14:17:34 +00:00
Michael J. Spencer 2ad12a0e2a COFF: Update tests to reflect changes in last commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112704 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 14:15:31 +00:00
Michael J. Spencer 4563704c21 COFF: Fix incorrect SCT_COMPLEX_TYPE_SHIFT. Add a few constants. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112703 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 14:09:36 +00:00
Duncan Sands fb4e8ab200 Use the SSAUpdator to turn calls to eh.exception that are not in a 
landing pad into uses of registers rather than loads from a stack
slot.  Doesn't touch the 'orrible hack code - Bill needs to persuade
me harder :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112702 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 14:07:47 +00:00
Dan Gohman e3955df639 Make the iterator form of erase return void, since it always succeeds, 
and since this is what std::map and std::set do.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112701 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 14:00:35 +00:00
Duncan Sands f8ff40c059 Define LLVM_GLOBAL_VISIBILITY to be __declspec(dllexport) on 
windows systems.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112700 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 13:07:11 +00:00
Duncan Sands 4d588bceb0 If PrototypeValue is erased in the middle of using the SSAUpdator 
then the SSAUpdator may access freed memory.  Instead, simply pass
in the type and name explicitly, which is all that was used anyway.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112699 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 10:29:33 +00:00
Duncan Sands 248e7592b5 Add convenience class for working with eh.exception calls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112698 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 09:26:00 +00:00
Dale Johannesen 64a4e9a94c Attempt to fix buildbot. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112697 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 05:19:06 +00:00
Chris Lattner 91abace4ef add a gross hack to work around a problem that Argiris reported 
on llvmdev: SRoA is introducing MMX datatypes like <1 x i64>,
which then cause random problems because the X86 backend is
producing mmx stuff without inserting proper emms calls.

In the short term, force off MMX datatypes.  In the long term,
the X86 backend should not select generic vector types to MMX
registers.  This is being worked on, but won't be done in time
for 2.8.  rdar://8380055


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112696 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 05:14:33 +00:00
Chris Lattner 54d24025d6 filecheckize 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112695 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 05:10:14 +00:00
Bruno Cardoso Lopes 56098f5d26 Use movlps, movlpd, movss and movsd specific nodes instead of pattern matching with movlp pattern fragment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112694 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 05:08:25 +00:00
Dan Gohman 191bd64a39 Revert 112442 and 112440 until the compile time problems introduced 
by 112440 are resolved.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112692 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 01:45:53 +00:00
Bruno Cardoso Lopes 9cfad89a68 minor change, simplify some logic 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112689 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 00:57:08 +00:00
Bruno Cardoso Lopes e654b56eb1 Move some functions around so they can be used for some other to come function 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112687 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 00:51:36 +00:00
Dale Johannesen c88d829c87 Add some MMX intrinsics that duplicate functionality 
available in normal llvm operators.  We aren't going to
use those for MMX any more because it's unsafe for the
optimizers to synthesize new MMX instructions.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112685 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 00:40:09 +00:00
Devang Patel ae84d5b9ba Use absolute label for DW_AT_stmt_list if a target does not prefer offset here. 
This patch was developed on top of original patch by Artur Pietrek.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112678 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 23:50:19 +00:00
Dale Johannesen a6d050df14 Testcase for llvm checkin 112674. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112675 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 23:43:55 +00:00
Benjamin Kramer 47b7efc082 Remove noisy semicolon. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112673 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 23:38:13 +00:00
Chris Lattner 2ac6e2354a licm is wasting time hoisting constant foldable operations, 
instead of hoisting them, just fold them away.  This occurs in the
testcase for PR8041, for example.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112669 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 23:00:16 +00:00
Kevin Enderby 232ab949d5 This is the second of three patches to implement support for the .loc directive 
and output the dwarf line number tables.  This takes the current loc info after
an instruction is assembled and saves the needed info into an object that has
vector and for each section.  These objects will be used for the final patch to 
build and emit the encoded dwarf line number tables.  Again for now this is only
in the Mach-O streamer but at some point will move to a more generic place.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112668 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 22:55:11 +00:00
Dan Gohman 3f19c091bf Reapply r112432, now that the real problem is addressed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112667 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 22:53:17 +00:00
Dan Gohman 6a0c125ed5 Reapply r112433, now that the real problem is addressed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112666 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 22:52:12 +00:00
Dan Gohman 90b5f25e8d Revert r110916. This patch is buggy because the code inside the 
inner loop doesn't update all the variables in the outer loop.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112665 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 22:50:31 +00:00
Bill Wendling 43a6c5e2fc We have a chance for an optimization. Consider this code: 
int x(int t) {
  if (t & 256)
    return -26;
  return 0;
}

We generate this:

     tst.w   r0, #256
     mvn     r0, #25
     it      eq
     moveq   r0, #0

while gcc generates this:

     ands    r0, r0, #256
     it      ne
     mvnne   r0, #25
     bx      lr

Scandalous really!

During ISel time, we can look for this particular pattern. One where we have a
"MOVCC" that uses the flag off of a CMPZ that itself is comparing an AND
instruction to 0. Something like this (greatly simplified):

  %r0 = ISD::AND ...
  ARMISD::CMPZ %r0, 0         @ sets [CPSR]
  %r0 = ARMISD::MOVCC 0, -26  @ reads [CPSR]

All we have to do is convert the "ISD::AND" into an "ARM::ANDS" that sets [CPSR]
when it's zero. The zero value will all ready be in the %r0 register and we only
need to change it if the AND wasn't zero. Easy!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112664 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 22:41:22 +00:00
Anton Korobeynikov 1d76ab7f56 Some fixes for NetBSD 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112662 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 22:38:00 +00:00
Bruno Cardoso Lopes 013bb3dee9 Use x86 specific MOVSLDUP node, add more patterns to match it and remove useless load nodes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112661 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 22:35:05 +00:00
Devang Patel 0b48eade42 Reapply r112623. Included additional check for unused byval argument. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112659 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 22:22:42 +00:00
Bruno Cardoso Lopes 5023ef281c Use x86 specific MOVSHDUP node and add more patterns to match it 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112657 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 22:22:11 +00:00
Bill Wendling 2d811d38d4 And ANDS pattern to match the t2ANDS pattern. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112654 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 22:05:37 +00:00
Jakob Stoklund Olesen 297907f3a0 Stack slot access methods are in TargetInstrInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112653 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 22:01:07 +00:00
Dale Johannesen dd120f936a Comment typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112652 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 21:53:15 +00:00
Jakob Stoklund Olesen 63b1dbaadd Make %EFLAGS unallocatable. 
No CCR virtual registers should exist, and %EFLAGS is used in ways that can
surprise RegAllocFast.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112650 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 21:51:07 +00:00
Jakob Stoklund Olesen f14a648d80 Track liveness of unallocatable, unreserved registers in machine DCE. 
Reserved registers are unpredictable, and are treated as always live by machine
DCE.

Allocatable registers are never reserved, and can be used for virtual registers.

Unreserved, unallocatable registers can not be used for virtual registers, but
otherwise behave like a normal allocatable register. Most targets only have
the flag register in this set.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112649 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 21:51:05 +00:00
Bruno Cardoso Lopes 7ff30bb1a5 Use MOVHLPS node instead of matching using movhlps and movhlps_undef pattern fragments 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112644 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 21:38:49 +00:00
Chris Lattner b5d84d13bc tidy up 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112643 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 21:21:25 +00:00
Bruno Cardoso Lopes f2db5b48d0 Use MOVLHPS and MOVHLPS x86 nodes whenever possible. Also remove some useless nodes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112642 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 21:15:21 +00:00
Dan Gohman 26125c65b9 Revert r112432. It appears to be exposing a problem in the emacs build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112638 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 20:58:44 +00:00
Owen Anderson e1aa33f2a2 Merge 2010-08-31-InfiniteRecursion.ll into crash.ll. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112635 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 20:27:17 +00:00
Owen Anderson 0eb355ab6b More cleanups of my JumpThreading transforms, including extracting some duplicated code into a helper function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112634 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 20:26:04 +00:00