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39483 Commits

Author SHA1 Message Date
Owen Anderson bbc6352d1f Make some predicates static. 
llvm-svn: 45718
 2008-01-07 21:30:40 +00:00
Fariborz Jahanian 6917870be5 Verify/add code to make sure types passed to interfaceTypesAreCompatible 
are canonical. Asst in interfaceTypesAreCompatible if they are not.

llvm-svn: 45717
 2008-01-07 20:12:21 +00:00
Chris Lattner a30be59fa2 Fix a nasty corner case that Neil noticed in PR1900, where we would 
incorrectly apply the multiple include optimization to files with 
guards like:

#if !defined(x) MACRO

where MACRO could expand to different things in different contexts.
Thanks Neil!

llvm-svn: 45716
 2008-01-07 19:50:27 +00:00
Ted Kremenek 1b0ea82459 Substituted all instances of the string "Objc" for "ObjC". This fixes 
some naming inconsistencies in the names of classes pertaining to Objective-C
support in clang.

llvm-svn: 45715
 2008-01-07 19:49:32 +00:00
Duncan Sands c50c210d76 I doubt the address of the Error string was intended 
to be used for the force_interpreter parameter...
Spotted by gcc-4.2.

llvm-svn: 45714
 2008-01-07 19:14:42 +00:00
Fariborz Jahanian 699e638e4f Make interfaceTypesAreCompatible a private method. 
llvm-svn: 45713
 2008-01-07 19:13:39 +00:00
Duncan Sands d19a6f4836 Add missing newline at EOF. 
llvm-svn: 45712
 2008-01-07 19:13:36 +00:00
Ted Kremenek 9dbf8a93a7 Renamed SimulVertex, SimulGraph, and SimulEngine to: 
ExplodedNode, ExplodedGraph  (to match the vocabulary in the RHS paper)
  ReachabilityEngine
  
The implementation of the core of the path-sensitive dataflow solver has
been de-templatized and places in ReachabilityEngine.cpp.

The solver is still incomplete.

llvm-svn: 45711
 2008-01-07 19:08:42 +00:00
Ted Kremenek dabea046f6 Minor tweak to serialization of ObjcForCollectionStmt: the three owned pointers 
are now emitted in a batch, which reduces the metadata overhead in the
serialized bitcode.

llvm-svn: 45710
 2008-01-07 18:35:04 +00:00
Fariborz Jahanian d5450b7f07 Limit type of foreach's element and collection to be a pointer to 
objc object type.

llvm-svn: 45709
 2008-01-07 18:14:04 +00:00
Fariborz Jahanian fef287cb67 Issue diagnostics if more than one declaration in objectove-c's foreach-stmt header. 
llvm-svn: 45708
 2008-01-07 17:52:35 +00:00
Nate Begeman 281653b25e Update the comment on scalar to vector to be a bit more clear. 
llvm-svn: 45707
 2008-01-07 17:52:24 +00:00
Chris Lattner f5c973d061 minor cleanup. 
llvm-svn: 45706
 2008-01-07 17:51:46 +00:00
Nate Begeman d3d49df3f1 Update test to catch recent x86 insert regression and improvements 
llvm-svn: 45705
 2008-01-07 17:49:23 +00:00
Duncan Sands b18c30acec Small cleanup for handling of type/parameter attribute 
incompatibility.

llvm-svn: 45704
 2008-01-07 17:16:06 +00:00
Duncan Sands d8d4170f84 Unbreak x86-32 darwin long double! 
llvm-svn: 45703
 2008-01-07 16:36:38 +00:00
Duncan Sands 28bf7ac219 Fix long double support on x86-32 linux. 
llvm-svn: 45701
 2008-01-07 13:44:22 +00:00
Gordon Henriksen 24db8d383d Pruning includes. 
llvm-svn: 45700
 2008-01-07 13:30:38 +00:00
Bill Wendling a3bdad153f Operand 1 should be a register. We don't care if it's a preg, vreg, or 0. 
llvm-svn: 45699
 2008-01-07 08:05:29 +00:00
Chris Lattner d7857eafd0 add a note 
llvm-svn: 45698
 2008-01-07 07:46:23 +00:00
Chris Lattner f3efadcb5b remove #includage 
llvm-svn: 45697
 2008-01-07 07:42:25 +00:00
Chris Lattner 69fc766f63 split TargetInstrDesc out into its own header file. 
llvm-svn: 45696
 2008-01-07 07:33:08 +00:00
Chris Lattner 03ad885039 rename TargetInstrDescriptor -> TargetInstrDesc. 
Make MachineInstr::getDesc return a reference instead
of a pointer, since it can never be null.

llvm-svn: 45695
 2008-01-07 07:27:27 +00:00
Chris Lattner 3ef160b15a remove a dead method. 
llvm-svn: 45694
 2008-01-07 06:47:10 +00:00
Chris Lattner fd2e338b85 simplify some code. 
llvm-svn: 45693
 2008-01-07 06:47:00 +00:00
Chris Lattner e99a6caee4 Rename all the M_* flags to be namespace qualified enums, and switch 
all clients over to using predicates instead of these flags directly.
These are now private values which are only to be used to statically
initialize the tables.

llvm-svn: 45692
 2008-01-07 06:42:05 +00:00
Chris Lattner d004f54155 use predicate. 
llvm-svn: 45691
 2008-01-07 06:37:29 +00:00
Chris Lattner 08a69ac2f5 add more and significantly better comments to the rest of the machineinstr 
flags that can be set.  Add predicates for the ones lacking it, and switch
some clients over to using the predicates instead of Flags directly.

llvm-svn: 45690
 2008-01-07 06:21:53 +00:00
Chris Lattner 769c86bf63 simplify some code using new predicates 
llvm-svn: 45689
 2008-01-07 05:40:58 +00:00
Chris Lattner c5c63ff9d7 add some mroe comments, add a isImplicitDef() method, add 
isConditionalBranch() and isUnconditionalBranch() methods.

llvm-svn: 45688
 2008-01-07 05:38:38 +00:00
Chris Lattner f376c99ea0 rename hasVariableOperands() -> isVariadic(). Add some comments. 
Evan, please review the comments I added to getNumDefs to make sure
that they are accurate, thx.

llvm-svn: 45687
 2008-01-07 05:19:29 +00:00
Chris Lattner fd548c96cc Move M_* flags down in the file. Move SchedClass up in the 
TargetInstrDescriptor class and shrink to 16-bits, saving a 
word in TargetInstrDescriptor.  Add some comments.

llvm-svn: 45686
 2008-01-07 05:06:49 +00:00
Chris Lattner 8c69898157 remove a dead field. 
llvm-svn: 45685
 2008-01-07 04:57:42 +00:00
Chris Lattner 6f8713decb the name field of instructions is never set to a non-empty string, 
just unconditionally use the def name of the instruction.

llvm-svn: 45684
 2008-01-07 04:57:31 +00:00
Chris Lattner 6077962101 no need to explicitly clear these fields. 
llvm-svn: 45683
 2008-01-07 04:55:09 +00:00
Nate Begeman f7c3ff6f80 Fix typo 
llvm-svn: 45682
 2008-01-07 04:01:26 +00:00
Gordon Henriksen c75405bdb3 Removing a leaked file. 
llvm-svn: 45681
 2008-01-07 03:23:52 +00:00
Chris Lattner b0d06b4381 Move a bunch more accessors from TargetInstrInfo to TargetInstrDescriptor 
llvm-svn: 45680
 2008-01-07 03:13:06 +00:00
Chris Lattner f0f438a517 remove MachineOpCode typedef. 
llvm-svn: 45679
 2008-01-07 02:48:55 +00:00
Chris Lattner d34c47653e remove some uses of MachineOpCode, move getSchedClass 
into TargetInstrDescriptor from TargetInstrInfo.

llvm-svn: 45678
 2008-01-07 02:46:03 +00:00
Chris Lattner e55e115616 Add predicates methods to TargetOperandInfo, and switch all clients 
over to using them, instead of diddling Flags directly.  Change the
various flags from const variables to enums.

llvm-svn: 45677
 2008-01-07 02:39:19 +00:00
Gordon Henriksen c7e991b7c3 Setting GlobalDirective in TargetAsmInfo by default rather than 
providing a misleading facility. It's used once in the MIPS backend
and hardcoded as "\t.globl\t" everywhere else.

llvm-svn: 45676
 2008-01-07 02:31:11 +00:00
Gordon Henriksen efb08802ec Deleting an empty file. Thanks, /usr/bin/patch! 
llvm-svn: 45675
 2008-01-07 02:29:04 +00:00
Chris Lattner a98c679de0 Rename MachineInstr::getInstrDescriptor -> getDesc(), which reflects 
that it is cheap and efficient to get.

Move a variety of predicates from TargetInstrInfo into 
TargetInstrDescriptor, which makes it much easier to query a predicate
when you don't have TII around.  Now you can use MI->getDesc()->isBranch()
instead of going through TII, and this is much more efficient anyway. Not
all of the predicates have been moved over yet.

Update old code that used MI->getInstrDescriptor()->Flags to use the
new predicates in many places.

llvm-svn: 45674
 2008-01-07 01:56:04 +00:00
Owen Anderson 0ec92e9d64 Update CodeGen for MRegisterInfo --> TargetInstrInfo changes. 
llvm-svn: 45673
 2008-01-07 01:35:56 +00:00
Owen Anderson 2a3be7bb6c Move even more functionality from MRegisterInfo into TargetInstrInfo. 
Some day I'll get it all moved over...

llvm-svn: 45672
 2008-01-07 01:35:02 +00:00
Gordon Henriksen 2d684b1fbf Ammending r45669 with a missing file. 
llvm-svn: 45671
 2008-01-07 01:33:09 +00:00
Gordon Henriksen 6047b6e140 With this patch, the LowerGC transformation becomes the 
ShadowStackCollector, which additionally has reduced overhead with
no sacrifice in portability.

Considering a function @fun with 8 loop-local roots,
ShadowStackCollector introduces the following overhead
(x86):

; shadowstack prologue
        movl    L_llvm_gc_root_chain$non_lazy_ptr, %eax
        movl    (%eax), %ecx
        movl    $___gc_fun, 20(%esp)
        movl    $0, 24(%esp)
        movl    $0, 28(%esp)
        movl    $0, 32(%esp)
        movl    $0, 36(%esp)
        movl    $0, 40(%esp)
        movl    $0, 44(%esp)
        movl    $0, 48(%esp)
        movl    $0, 52(%esp)
        movl    %ecx, 16(%esp)
        leal    16(%esp), %ecx
        movl    %ecx, (%eax)

; shadowstack loop overhead
        (none)

; shadowstack epilogue
        movl    48(%esp), %edx
        movl    %edx, (%ecx)

; shadowstack metadata
        .align  3
___gc_fun:                              # __gc_fun
        .long   8
        .space  4

In comparison to LowerGC:

; lowergc prologue
        movl    L_llvm_gc_root_chain$non_lazy_ptr, %eax
        movl    (%eax), %ecx
        movl    %ecx, 48(%esp)
        movl    $8, 52(%esp)
        movl    $0, 60(%esp)
        movl    $0, 56(%esp)
        movl    $0, 68(%esp)
        movl    $0, 64(%esp)
        movl    $0, 76(%esp)
        movl    $0, 72(%esp)
        movl    $0, 84(%esp)
        movl    $0, 80(%esp)
        movl    $0, 92(%esp)
        movl    $0, 88(%esp)
        movl    $0, 100(%esp)
        movl    $0, 96(%esp)
        movl    $0, 108(%esp)
        movl    $0, 104(%esp)
        movl    $0, 116(%esp)
        movl    $0, 112(%esp)

; lowergc loop overhead
        leal    44(%esp), %eax
        movl    %eax, 56(%esp)
        leal    40(%esp), %eax
        movl    %eax, 64(%esp)
        leal    36(%esp), %eax
        movl    %eax, 72(%esp)
        leal    32(%esp), %eax
        movl    %eax, 80(%esp)
        leal    28(%esp), %eax
        movl    %eax, 88(%esp)
        leal    24(%esp), %eax
        movl    %eax, 96(%esp)
        leal    20(%esp), %eax
        movl    %eax, 104(%esp)
        leal    16(%esp), %eax
        movl    %eax, 112(%esp)

; lowergc epilogue
        movl    48(%esp), %edx
        movl    %edx, (%ecx)

; lowergc metadata
        (none)

llvm-svn: 45670
 2008-01-07 01:30:53 +00:00
Gordon Henriksen 5180e85675 Enabling the target-independent garbage collection infrastructure by hooking it 
up to the various compiler pipelines.

This doesn't actually add support for any GC algorithms, which means it 
temporarily breaks a few tests. To be fixed shortly.

llvm-svn: 45669
 2008-01-07 01:30:38 +00:00
Chris Lattner b296b0f1c1 The pic base can't be duplicated. 
llvm-svn: 45668
 2008-01-06 23:49:32 +00:00