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44817 Commits

Author SHA1 Message Date
Duncan Sands 49295b48eb Rename the operation of turning a float type into an 
integer of the same type.  Before it was "promotion",
but this is confusing because it is quite different
to promotion of integers.  Call it "softening" instead,
inspired by "soft float".

llvm-svn: 52546
 2008-06-20 17:49:55 +00:00
Dan Gohman 3792c470d5 Clean up some uses of std::distance, now that we have allnodes_size. 
llvm-svn: 52545
 2008-06-20 17:15:19 +00:00
Dan Gohman 3ada1e118b Clean up a use of std::distance. 
llvm-svn: 52544
 2008-06-20 17:11:32 +00:00
Dan Gohman a5dd67f002 Tidy up some commments and use the getAggregateOperand and 
getInsertedValueOperand accessors. Thanks Matthijs!

llvm-svn: 52543
 2008-06-20 16:41:17 +00:00
Dan Gohman b5210efb31 Fix the conditions under which SCCP should examine insertvalue 
instructions. Thanks to Matthijs Kooijman for pointing this out!

llvm-svn: 52542
 2008-06-20 16:39:44 +00:00
Dan Gohman 795e2943a2 Add an allnodes_size method. 
llvm-svn: 52541
 2008-06-20 16:03:16 +00:00
Matthijs Kooijman 48b282f03b Add testcase that checks that DeadArgElim doesn't touch stuff it shouldn't touch. 
llvm-svn: 52540
 2008-06-20 15:38:22 +00:00
Matthijs Kooijman c456f9dfc6 80 column and trailing whitespace fixes. 
llvm-svn: 52539
 2008-06-20 15:34:07 +00:00
Matthijs Kooijman 0c50b953c5 Don't let DeadArgumentElimination attempt to update callers when the return 
type wasn't changed.

llvm-svn: 52538
 2008-06-20 15:25:43 +00:00
Matthijs Kooijman 9dc59b7666 Don't let DeadArgElimination change the return type ({} into void and {T} 
into T) when no return values are actually dead.

llvm-svn: 52537
 2008-06-20 15:16:45 +00:00
Matthijs Kooijman 013b6a9a42 Explicitely track if any arguments or return values were removed in 
DeadArgumentElimination and assert that the function type does not change if
nothing was changed. This should catch subtle changes in function type that are
not intended.

llvm-svn: 52536
 2008-06-20 14:28:52 +00:00
Matthijs Kooijman e91aed6ce1 Remove debug output. 
llvm-svn: 52535
 2008-06-20 14:03:35 +00:00
Matthijs Kooijman 8d32dee428 Recommit r52459, rewriting of the dead argument elimination pass. 
This is a fixed version that no longer uses multimap::equal_range, which
resulted in a pointer invalidation problem.

Also, DAE::InspectedFunctions was not really necessary, so it got removed.

Lastly, this version no longer applies the extra arg hack on functions who did
not have any arguments to start with.

llvm-svn: 52532
 2008-06-20 09:36:16 +00:00
Owen Anderson 78fbcafb53 Really disable PRE. 
llvm-svn: 52531
 2008-06-20 08:59:13 +00:00
Chris Lattner 2616a7e0f7 "Just a small update for the project files for adding a missing preprocessor 
definition for VS2005 (without SP1). It suppress the (bogus) M$ deprecated
warning."

Patch by Cédric Venet!

llvm-svn: 52530
 2008-06-20 05:35:58 +00:00
Chris Lattner 54d26c6b12 Fix a warning, closing PR2452 
llvm-svn: 52529
 2008-06-20 05:33:29 +00:00
Chris Lattner 65ee4e3a5c Fix a warning. 
llvm-svn: 52528
 2008-06-20 05:31:04 +00:00
Chris Lattner d53bd2da98 Fix an error handling redefinition of linkonce functions where the 
types differ.  Patch by Nathan Keynes!

llvm-svn: 52527
 2008-06-20 05:29:39 +00:00
Chris Lattner ba00c761b7 fix a warning. 
llvm-svn: 52526
 2008-06-20 05:28:56 +00:00
Chris Lattner f3ecd2d290 Fix PR2471, which is a bug involving an invalid promotion from a conditional load. 
llvm-svn: 52525
 2008-06-20 05:12:56 +00:00
Chris Lattner 643b00a3e6 Fix typo, fix suggested by Nicholas Olsen 
llvm-svn: 52524
 2008-06-20 05:03:17 +00:00
Gordon Henriksen 9f337549a7 Add C binding for ExecutionEngine::addGlobalMapping. 
llvm-svn: 52523
 2008-06-20 02:16:11 +00:00
Dan Gohman 593a010c56 Teach ReturnInst lowering about aggregate return values. 
llvm-svn: 52522
 2008-06-20 01:29:26 +00:00
Owen Anderson 1b3ea963f7 Change around the data structures used to store availability sets, resulting in a GVN+PRE that is faster that GVN alone was before. 
llvm-svn: 52521
 2008-06-20 01:15:47 +00:00
Dan Gohman 041f9d03ff Teach SCCP about insertvalue and extractvalue, and about 
propagating constants across aggregate return values when
insertvalue and extractvalue are used.

llvm-svn: 52520
 2008-06-20 01:15:44 +00:00
Dan Gohman 3b18fd7b02 Teach InlineFunction how to differentiate between multiple-value 
return statements and aggregate returns so that it handles both
correctly.

llvm-svn: 52519
 2008-06-20 01:03:44 +00:00
Evan Cheng 9598f930f3 Disable PRE for now. It seems to be breaking llvm-gcc bootstrapping. 
llvm-svn: 52518
 2008-06-20 01:01:07 +00:00
Dan Gohman 44b2c57e2b Fix the index calculations for the extractvalue lowering code. 
llvm-svn: 52517
 2008-06-20 00:54:19 +00:00
Dan Gohman c7a32fc8ca Simplify the ComputeLinearIndex logic and fix a few bugs. 
llvm-svn: 52516
 2008-06-20 00:53:00 +00:00
Dan Gohman e8512ffba6 It's invalid to take the one-past-the-end address of a non-array 
object.

llvm-svn: 52515
 2008-06-20 00:49:21 +00:00
Dan Gohman d87e813e41 Simplify this code. Thanks Chris! 
llvm-svn: 52514
 2008-06-20 00:47:44 +00:00
Ted Kremenek e562289a0f Updated latest static analysis build. 
llvm-svn: 52512
 2008-06-19 23:20:00 +00:00
Ted Kremenek 940a738e77 Add DTD information. 
llvm-svn: 52511
 2008-06-19 23:14:24 +00:00
Evan Cheng be0429c558 ISD::UNDEF should be expanded recursively / iteratively. 
llvm-svn: 52508
 2008-06-19 22:01:11 +00:00
Mike Stump d7667bd8e0 Remove tabs. 
llvm-svn: 52507
 2008-06-19 20:57:50 +00:00
Owen Anderson e780d66657 Add a hidden -disable-pre flag for testing purposes. This should be removed 
once benchmarking is completed.

llvm-svn: 52506
 2008-06-19 19:57:25 +00:00
Owen Anderson fdf9f168b5 PRE requires that critical edges be split. 
llvm-svn: 52505
 2008-06-19 19:54:19 +00:00
Mike Stump 65643c6480 One more test checkin. 
Remove an extra space at the end of a line.

llvm-svn: 52504
 2008-06-19 19:52:46 +00:00
Mike Stump 01e07653d4 Test commit to see if new account works. 
I choose to remove extraneous whitespace at end of lines as a semantic
nop for the test.

llvm-svn: 52503
 2008-06-19 19:28:49 +00:00
Bill Wendling cd6fb1d0a8 Remove dead code causing a warning. 
llvm-svn: 52502
 2008-06-19 18:00:44 +00:00
Ted Kremenek 46c82ab994 Introduce initial transfer function support for __imag__ and __real__. We don't 
have complex RValues yet, so this logic is only fully implemented when __imag__
and __real__ are used on non-complex types.

llvm-svn: 52501
 2008-06-19 17:55:38 +00:00
Dan Gohman d6530872f3 Use the common API for adding instructions to basic blocks instead of 
using BasicBlock::getInstList.

llvm-svn: 52500
 2008-06-19 17:53:32 +00:00
Owen Anderson ff21db851d Be sure to remove values from the value numbering table after we delete them. 
This fixes a failure on povray.

llvm-svn: 52499
 2008-06-19 17:53:26 +00:00
Dan Gohman ed2250990a Use Instruction::moveBefore instead of manipulating the instruction list 
directly.

llvm-svn: 52498
 2008-06-19 17:47:47 +00:00
Dan Gohman 9eea470fcf Avoid using BasicBlock::getInstList directly in a few places. 
llvm-svn: 52497
 2008-06-19 17:37:25 +00:00
Owen Anderson 45d3701fce Revert support for insertvalue and extractvalue instructions for the moment. 
GVN expects that all inputs which to an instruction fall somewhere in the value
hierarchy, which isn't true for these.

llvm-svn: 52496
 2008-06-19 17:25:39 +00:00
Dan Gohman 6f880690b8 Use the transferSuccessors helper function. 
llvm-svn: 52495
 2008-06-19 17:22:29 +00:00
Dan Gohman 68f539e807 Delete dead code. 
llvm-svn: 52494
 2008-06-19 17:18:39 +00:00
Owen Anderson eb31adeba4 Add an idx_iterator to the insertvalue and extractvalue instructions. 
llvm-svn: 52493
 2008-06-19 17:15:57 +00:00
Dan Gohman 386c2f616f The inline keyword goes before the return type. This fixes a compiler warning. 
llvm-svn: 52492
 2008-06-19 16:16:06 +00:00