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75159 Commits

Author SHA1 Message Date
Dan Gohman feeced4104 Use a pointer type rather than MVT::Other for the ExternalSymbol node used 
in an inline asm.

llvm-svn: 92512
 2010-01-04 21:00:54 +00:00
Dan Gohman 5d1987f9a0 Remove some README.txt entries which are now implemented. 
llvm-svn: 92511
 2010-01-04 20:55:05 +00:00
Devang Patel 63cdd6fcf3 Remove oversimplified test case. 
llvm-svn: 92510
 2010-01-04 20:54:06 +00:00
Dan Gohman 52183c3cc9 Add some tests and update an existing test to reflect recent 
x86 isel peeps.

llvm-svn: 92509
 2010-01-04 20:53:54 +00:00
Dan Gohman 0f960aed68 A use by operand 1 or 2 of a SELECT is not a FLAGS use. This 
lets the test-elimination work in more conditional-move cases.

llvm-svn: 92508
 2010-01-04 20:52:50 +00:00
Dan Gohman 85d4fdfe37 Flags-producing add, and, or, etc. have the same profibility 
rules as normal add, and, or, etc.

llvm-svn: 92507
 2010-01-04 20:51:50 +00:00
Dan Gohman 71671131c3 Add SDNPCommutative and SDNPAssociative to several X86 target nodes. 
This lets isel fold loads into them in more cases.

llvm-svn: 92506
 2010-01-04 20:51:05 +00:00
Devang Patel 530a075f17 Fix begin and end markers for nested scopes. 
llvm-svn: 92505
 2010-01-04 20:44:00 +00:00
Dan Gohman 673e23558b Replace some special-case code which probably was buggy with an assertion 
verifying that the special case does not occur.

llvm-svn: 92504
 2010-01-04 20:36:57 +00:00
Dan Gohman b91411c9b9 Remove the CPAttrParentAsRoot code, which is unused, and inconvenient 
for a refactoring I'm working on.

llvm-svn: 92503
 2010-01-04 20:31:55 +00:00
David Greene af5b9a2d62 Change errs() to dbgs(). 
llvm-svn: 92502
 2010-01-04 19:57:26 +00:00
Fariborz Jahanian d6cba5065f More rewriting of __block declared objective-c/block pointers. 
This is wip.

llvm-svn: 92501
 2010-01-04 19:50:07 +00:00
Douglas Gregor 51af7f628c Turn on code-completion for macros within CIndex 
llvm-svn: 92500
 2010-01-04 19:45:17 +00:00
Devang Patel a7c8e58d95 The test, derived from optimzed IR, does not mention "bar" in debug info anywhere so the dwarf writer is not expected to emit any debug info for function "bar". 
llvm-svn: 92499
 2010-01-04 19:41:13 +00:00
David Greene 94cfbe1ddd Change errs() to dbgs(). 
llvm-svn: 92498
 2010-01-04 19:36:42 +00:00
Douglas Gregor 9882a5aac6 Teach Preprocessor::macro_begin/macro_end to lazily load all macro 
definitions from a precompiled header. This ensures that
code-completion with macro names behaves the same with or without
precompiled headers.

llvm-svn: 92497
 2010-01-04 19:18:44 +00:00
David Greene 7af1efc1ae Change errs() to dbgs(). 
llvm-svn: 92496
 2010-01-04 19:10:20 +00:00
Chris Lattner a751d09c08 Truncate GEP indexes larger than the pointer size down to pointer size 
when doing this transform if the GEP is not inbounds.  No testcase because
it is very difficult to trigger this: instcombine already canonicalizes
GEP indices to pointer size, so it relies specific permutations of the
instcombine worklist.

Thanks to Duncan for pointing this possible problem out.

llvm-svn: 92495
 2010-01-04 18:57:15 +00:00
Chris Lattner 2cb08e69b1 silence a bogus 'might be used uninit' warning from GCC. 
llvm-svn: 92494
 2010-01-04 18:48:26 +00:00
Daniel Dunbar d443c0a02a Revert r92431, this code isn't dead and broke the ntfs build. 
llvm-svn: 92493
 2010-01-04 18:47:06 +00:00
Dan Gohman fc76441623 Add a comment. 
llvm-svn: 92492
 2010-01-04 18:38:39 +00:00
Daniel Dunbar 5b9019515a Fix -Asserts warning. 
llvm-svn: 92491
 2010-01-04 18:02:28 +00:00
David Greene 96b90539d6 Change errs() to dbgs(). 
llvm-svn: 92490
 2010-01-04 17:47:05 +00:00
Douglas Gregor 40f7a007e9 When declaring an Objective-C implementation without a corresponding 
interface, suggest correction of typos. For example, given:

  @interface NSString
  @end

  @implementation NSstring
  @end

we'll warn with:

t.m:4:19: warning: cannot find interface declaration for 'NSstring';
    did you mean 'NSString'?
  @implementation NSstring
                  ^

However, since this is just a warning, we don't provide a fix-it
hint. Good idea, Ted!

llvm-svn: 92488
 2010-01-04 17:27:12 +00:00
Anton Korobeynikov d91a14dba5 Fix invalid chain folding for memory variant of sdiv / udiv 
llvm-svn: 92472
 2010-01-04 10:31:54 +00:00
Chris Lattner 59d95743c8 move some more cast-related stuff 
llvm-svn: 92471
 2010-01-04 07:59:07 +00:00
Mikhail Glushenkov 6a8ac8ce8f 80-col violations, trailing whitespace. 
llvm-svn: 92470
 2010-01-04 07:55:25 +00:00
Chris Lattner 92be2adba6 move the [Can]EvaluateInDifferentType functions out to InstCombineCasts.cpp 
llvm-svn: 92469
 2010-01-04 07:54:59 +00:00
Chris Lattner 2b295a0eba split 943 lines of instcombine out to a new InstCombineCasts.cpp 
file.  InstructionCombining.cpp is now down to a svelte 9300 lines :)

llvm-svn: 92468
 2010-01-04 07:53:58 +00:00
Chris Lattner 2188e40e4c split instcombine of compares (visit[FI]Cmp) out to 
a new InstCombineCompares.cpp file.

llvm-svn: 92467
 2010-01-04 07:37:31 +00:00
Chris Lattner 6ea40f1542 update cmakefile 
llvm-svn: 92466
 2010-01-04 07:19:55 +00:00
Chris Lattner 7e0449172c move the 'SimplifyDemandedFoo' methods out to their own file, cutting 1K lines out of instcombine.cpp 
llvm-svn: 92465
 2010-01-04 07:17:19 +00:00
Mikhail Glushenkov 9081dc6b12 Fix the Emacs mode string. 
Also trailing whitespace & 80-col violations.

llvm-svn: 92464
 2010-01-04 07:16:12 +00:00
Chris Lattner 35522b7465 split the instcombine class definition out to a header shared 
among the instcombine library.

llvm-svn: 92463
 2010-01-04 07:12:23 +00:00
Chris Lattner b8906bda13 remove a ton of unneeded LLVMContext stuff. 
llvm-svn: 92462
 2010-01-04 07:02:48 +00:00
Chris Lattner 66c2e54bcd move InstCombineWorklist out to its own header. 
llvm-svn: 92461
 2010-01-04 06:30:00 +00:00
Chris Lattner e2b9da98b0 forgot to svn add these. 
llvm-svn: 92460
 2010-01-04 06:28:20 +00:00
Chris Lattner c0e6640d3a move instcombine to its own library, it's past time. 
llvm-svn: 92459
 2010-01-04 06:23:24 +00:00
Chris Lattner 2d91231d82 implement an instcombine xform needed by clang's codegen 
on the example in PR4216.  This doesn't trigger in the testsuite,
so I'd really appreciate someone scrutinizing the logic for
correctness.

llvm-svn: 92458
 2010-01-04 06:03:59 +00:00
Chris Lattner 1dae8766b1 fix PR5930, allowing the asmprinter to emit difference between 
two labels as a truncate.

llvm-svn: 92455
 2010-01-03 18:33:18 +00:00
Benjamin Kramer 0128f668a9 __builtin_object_size(ptr, type) returns -1 for type = {0,1} if there are any side-effects. 
llvm-svn: 92453
 2010-01-03 18:18:37 +00:00
Chris Lattner fd11f49b4e it isn't safe to speculative load from a malloc, it might have 
returned null, and may not have been big enough in any case.  
Thanks to Jay Foad for pointing this out!

llvm-svn: 92452
 2010-01-03 18:14:24 +00:00
Chris Lattner f6a585fc2f add PR# 
llvm-svn: 92451
 2010-01-03 18:10:58 +00:00
Chris Lattner a7cfc43af8 differences between two blockaddress's don't cause a 
global variable initializer to require relocations.

llvm-svn: 92450
 2010-01-03 18:09:40 +00:00
Douglas Gregor 35b0bac8c5 Implement typo correction for a variety of Objective-C-specific 
constructs:

  - Instance variable lookup ("foo->ivar" and, in instance methods, "ivar")
  - Property name lookup ("foo.prop")
  - Superclasses
  - Various places where a class name is required
  - Protocol names (e.g., id<proto>)

This seems to cover many of the common places where typos could occur.

llvm-svn: 92449
 2010-01-03 18:01:57 +00:00
Chris Lattner 48218e42cd pull my debug hooks out, I'm done with this xform for now. 
llvm-svn: 92446
 2010-01-03 06:58:48 +00:00
Nick Lewycky 475d3d1215 Small cleanups, refactor some duplicated code into a single method. No 
functionality change.

llvm-svn: 92445
 2010-01-03 04:39:07 +00:00
Chris Lattner fca0c8f93a generalize the previous transformation to handle indexing into 
arrays of structs and other arrays, so long as all the subsequent
indexes are constants.  This triggers frequently for stuff like:

@divisions = internal constant [29 x [2 x i32]] [[2 x i32] zeroinitializer, [2 x i32] [i32 0, i32 1], [2 x i32] [i32 0, i32 2], [2 x i32] [i32 0, i32 1], [2 x i32] zeroinitializer, [2 x i32] [i32 0, i32 1], [2 x i32] [i32 0, i32 1], [2 x i32] [i32 0, i32 2], [2 x i32] [i32 0, i32 2], [2 x i32] zeroinitializer, [2 x i32] zeroinitializer, [2 x i32] zeroinitializer, [2 x i32] [i32 0, i32 2], [2 x i32] [i32 0, i32 1], [2 x i32] zeroinitializer, [2 x i32] [i32 1, i32 0], [2 x i32] [i32 1, i32 1], [2 x i32] [i32 1, i32 1], [2 x i32] [i32 1, i32 2], [2 x i32] [i32 1, i32 1], [2 x i32] [i32 1, i32 0], [2 x i32] [i32 1, i32 2], [2 x i32] [i32 1, i32 2], [2 x i32] [i32 1, i32 0], [2 x i32] [i32 1, i32 0], [2 x i32] [i32 1, i32 0], [2 x i32] [i32 1, i32 1], [2 x i32] [i32 1, i32 2], [2 x i32] [i32 1, i32 2]], align 32 ; <[29 x [2 x i32]]*> [#uses=50]

	  %623 = getelementptr inbounds [29 x [2 x i32]]* @divisions, i64 0, i64 %619, i64 0 ; <i32*> [#uses=1]
	   %684 = icmp eq i32 %683, 999 

also for the "my_defs" table in 'gs', etc.

llvm-svn: 92444
 2010-01-03 03:03:27 +00:00
Eli Friedman c6f59b1c49 Better coverage for -dump-record-layouts and -print-decl-contexts. 
llvm-svn: 92441
 2010-01-03 02:01:11 +00:00
Eli Friedman 50f6aa11cf Improve coverage for test. 
llvm-svn: 92440
 2010-01-03 01:20:41 +00:00