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20674 Commits

Author SHA1 Message Date
Ted Kremenek e33ba16368 Added versions of ReadPtr that takes an explicit SerializedPtrID. This allows 
clients of the Deserializer to read the pointer ID before they are ready
to deserialize the object (which can mean registering a pointer reference
with the backpatcher).

Changed some methods that took an argument "SerializedPtrID" to "const SerializedPtrID&" (pass-by-reference).  This is to accommodate a future
revision of SerializedPtrID where it may be much fatter than an unsigned
integer.

llvm-svn: 44021
 2007-11-12 19:11:15 +00:00
Owen Anderson c520c4b325 Break critical edges coming into blocks with PHI nodes. 
llvm-svn: 44019
 2007-11-12 17:27:27 +00:00
Owen Anderson 933b5b7e62 Add a flag for indirect branch instructions. 
Target maintainers: please check that the instructions for your target are correctly marked.

llvm-svn: 44012
 2007-11-12 07:39:39 +00:00
Evan Cheng be51f28e2b Refactor some code. 
llvm-svn: 44010
 2007-11-12 06:35:08 +00:00
Owen Anderson a1cd45213d As Chris and Evan pointed out, BreakCriticalMachineEdges doesn't really need 
to be a pass of its own.  Instead, move it out into a helper method.

llvm-svn: 44002
 2007-11-12 01:05:09 +00:00
Anton Korobeynikov 0644bb865e Clarify the meaning of '-2' register number 
llvm-svn: 43998
 2007-11-11 19:53:50 +00:00
Anton Korobeynikov 4edfea438a Use TableGen to emit information for dwarf register numbers. 
This makes DwarfRegNum to accept list of numbers instead.
Added three different "flavours", but only slightly tested on x86-32/linux.
Please check another subtargets if possible,

llvm-svn: 43997
 2007-11-11 19:50:10 +00:00
Dale Johannesen b988e7e8cd Add CCAssignToStackABISizeAlign for convenience in 
dealing with types whose size & alignment are
different on different subtargets.  Use it for x86 f80.

llvm-svn: 43988
 2007-11-10 22:07:15 +00:00
Ted Kremenek 195c478e1b Updated method signature to conform with the typedef in the method prototype. 
llvm-svn: 43982
 2007-11-10 19:19:32 +00:00
Arnold Schwaighofer d2c16ff905 Update tailcall code to include inline attribute operand for memcpy. 
llvm-svn: 43978
 2007-11-10 10:48:01 +00:00
Ted Kremenek 55e30be8ec Added "random access" to the Deserializer to allow a client to jump to any 
serialized block in the bitstream, including a block in an entirely different
nesting than the current block. This is useful for deserializing objects from
a bitstream in an order different from the order that they were serialized.

llvm-svn: 43973
 2007-11-10 02:02:34 +00:00
Hartmut Kaiser 67297144ab Fixed a strange construct. Please review. 
llvm-svn: 43960
 2007-11-09 19:59:00 +00:00
Evan Cheng fb13fd6f93 Unbreak x86-64 jumptable. 
llvm-svn: 43955
 2007-11-09 19:11:23 +00:00
Anton Korobeynikov 5db5e352b9 Silence a warning 
llvm-svn: 43954
 2007-11-09 19:06:14 +00:00
Dale Johannesen dfb85c7831 Revert previous rewrite per chris's comments. 
llvm-svn: 43950
 2007-11-09 18:07:11 +00:00
Chris Lattner f9c0fd7488 Tighten up a check for folding away loads from (newly constant) globals. This 
fixes a crash on Transforms/GlobalOpt/2007-11-09-GEP-GEP-Crash.ll and 
rdar://5585488.

llvm-svn: 43949
 2007-11-09 17:33:02 +00:00
Duncan Sands e795efea5b Move MinAlign to MathExtras.h. 
llvm-svn: 43944
 2007-11-09 13:41:39 +00:00
Anton Korobeynikov 550b98e147 Fix indent 
llvm-svn: 43941
 2007-11-09 12:34:20 +00:00
Anton Korobeynikov 98638aede6 Forget to commit users part of value mapper interface 
llvm-svn: 43940
 2007-11-09 12:27:04 +00:00
Anton Korobeynikov 8eeca1c252 And delete this one 
llvm-svn: 43939
 2007-11-09 12:22:04 +00:00
Duncan Sands e7a9ac929f Fix some load/store logic that would be wrong for 
apints on big-endian machines if the bitwidth is
not a multiple of 8.  Introduce a new helper,
MVT::getStoreSizeInBits, and use it.

llvm-svn: 43934
 2007-11-09 08:57:19 +00:00
Duncan Sands bab9dc9433 Add terminating newline. 
llvm-svn: 43933
 2007-11-09 08:30:21 +00:00
Evan Cheng 797d56ff17 Much improved pic jumptable codegen: 
Then:
        call    "L1$pb"
"L1$pb":
        popl    %eax
		...
LBB1_1: # entry
        imull   $4, %ecx, %ecx
        leal    LJTI1_0-"L1$pb"(%eax), %edx
        addl    LJTI1_0-"L1$pb"(%ecx,%eax), %edx
        jmpl    *%edx

        .align  2
        .set L1_0_set_3,LBB1_3-LJTI1_0
        .set L1_0_set_2,LBB1_2-LJTI1_0
        .set L1_0_set_5,LBB1_5-LJTI1_0
        .set L1_0_set_4,LBB1_4-LJTI1_0
LJTI1_0:
        .long    L1_0_set_3
        .long    L1_0_set_2

Now:
        call    "L1$pb"
"L1$pb":
        popl    %eax
		...
LBB1_1: # entry
        addl    LJTI1_0-"L1$pb"(%eax,%ecx,4), %eax
        jmpl    *%eax

		.align  2
		.set L1_0_set_3,LBB1_3-"L1$pb"
		.set L1_0_set_2,LBB1_2-"L1$pb"
		.set L1_0_set_5,LBB1_5-"L1$pb"
		.set L1_0_set_4,LBB1_4-"L1$pb"
LJTI1_0:
        .long    L1_0_set_3
        .long    L1_0_set_2

llvm-svn: 43924
 2007-11-09 01:32:10 +00:00
Evan Cheng f14006f4d6 Didn't mean to check these in. 
llvm-svn: 43923
 2007-11-09 01:28:33 +00:00
Evan Cheng 1bf166312b Bug fix. Passive nodes are not in SUnitMap. 
llvm-svn: 43922
 2007-11-09 01:27:11 +00:00
Dale Johannesen 04fd82088e Rewrite Dwarf number handling per review comments. 
llvm-svn: 43918
 2007-11-09 00:47:10 +00:00
Ted Kremenek 1d9406c1ca Updated Deserializer class to provide more information about the current 
block that is being visited in the bitstream.  The client can also now
skip blocks before reading them, and query the current abbreviation number
as seen from the perspective of the Deserializer.  This allows the client
to be more interactive in the deserialization process (if they so choose).

llvm-svn: 43916
 2007-11-09 00:43:51 +00:00
Owen Anderson 65d2fcdd2a This preserves critical edge breaking. 
llvm-svn: 43911
 2007-11-08 22:23:57 +00:00
Owen Anderson 3bc8124a66 Make BreakCriticalMachineEdges available as a pass that can be depended on. 
llvm-svn: 43910
 2007-11-08 22:20:23 +00:00
Ted Kremenek 67135ebaff Added typedef "SerializedPtrID" to represent the pointer handle written to disk 
instead of just using "unsigned".  This gives us more flexibility in changing
the definition of the handle later, and is more self-documenting.

Added tracking of block stack in the Deserializer.  Now clients can query
if they are still within a block using the methods GetCurrentBlockLocation()
and FinishedBlock().

llvm-svn: 43903
 2007-11-08 19:50:46 +00:00
Andrew Lenharth 19ca5c7021 Better check 
llvm-svn: 43897
 2007-11-08 18:45:15 +00:00
Andrew Lenharth 8cf11aa330 Fix PR1780 
llvm-svn: 43893
 2007-11-08 17:39:28 +00:00
Lauro Ramos Venancio f6a67bf700 [ARM] Implement __builtin_thread_pointer. 
llvm-svn: 43892
 2007-11-08 17:20:05 +00:00
Evan Cheng ece4c68b82 If both parts of smul_lohi, etc. are used, don't simplify. If only one part is used, try simplify it. 
llvm-svn: 43888
 2007-11-08 09:25:29 +00:00
Owen Anderson 0be8c1dafe Add the majority of machine-level critical edge breaking pass. Most of this was written by Fernando, cleanup and updating to TOT by me. 
This still needs a bit of work, particularly to handle jump tables properly.

llvm-svn: 43885
 2007-11-08 07:55:43 +00:00
Owen Anderson bfbc12973d Take another stab at getting isLiveIn() and isLiveOut() right. 
llvm-svn: 43869
 2007-11-08 01:32:45 +00:00
Owen Anderson 9d86ef12c8 Bring UsedBlocks back. StrongPHIElimination needs this information. 
llvm-svn: 43866
 2007-11-08 01:20:48 +00:00
Dale Johannesen 1b9de4dd6f Complete conditionalization of Dwarf reg numbers. 
Would somebody not on Darwin please make sure this
doesn't break anything.  Exception handling failures
would be the most likely symptom.

llvm-svn: 43844
 2007-11-07 21:48:35 +00:00
Ted Kremenek 81ad944c94 Implemented generic serialization of APFloat. 
llvm-svn: 43829
 2007-11-07 18:39:22 +00:00
Ted Kremenek cc88d37531 Implemented serialization of signed integers. 
llvm-svn: 43828
 2007-11-07 18:24:34 +00:00
Evan Cheng e742ee1dbe Simplify my (il)logic. 
llvm-svn: 43819
 2007-11-07 08:08:25 +00:00
Owen Anderson c6a5387d09 Add some more of StrongPHIElim. 
llvm-svn: 43805
 2007-11-07 05:17:15 +00:00
Dale Johannesen fbe69d2cd6 Interchange Dwarf numbers of ESP and EBP on x86 Darwin. 
Much improvement in exception handling.

llvm-svn: 43794
 2007-11-07 00:25:05 +00:00
Ted Kremenek bf75685321 Serializer no longer automatically emits a root-level block in the bitstream. 
llvm-svn: 43784
 2007-11-06 22:22:25 +00:00
Ted Kremenek cd0c32865c Augmented ReadPtr and ReadOwnedPtr to control whether or not a pointer is allowed to be backpatched 
or can be registered with the deserializer to backpatch other pointers.

llvm-svn: 43783
 2007-11-06 22:21:14 +00:00
Chris Lattner 581f006f5d make smallptrset more const and type correct, which caught a few 
minor bugs.

llvm-svn: 43782
 2007-11-06 22:12:43 +00:00
Dan Gohman ccfc028283 Remainder operations must be either integer or floating-point. 
llvm-svn: 43781
 2007-11-06 22:11:54 +00:00
Chris Lattner 8201a9bca0 fix const correctness, BB is const, so its predecessors are too 
llvm-svn: 43780
 2007-11-06 22:07:40 +00:00
Chris Lattner cbad11e027 don't put erase or query for non-allocainst pointers in an set of allocainsts*'s 
llvm-svn: 43779
 2007-11-06 22:07:22 +00:00
Chris Lattner d8515f8e80 Implement PR1777 by detecting dependent phis that 
all compute the same value.

llvm-svn: 43777
 2007-11-06 21:52:06 +00:00