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0604e0c00f
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Author SHA1 Message Date
Bill Wendling
0604e0c00f Silence a warning saying that the variables always resolve to "true" in an 
expression.

llvm-svn: 43610
 2007-11-01 09:38:19 +00:00
Bill Wendling
df2eaa8a55 Silence, accersed warning 
llvm-svn: 43609
 2007-11-01 08:51:44 +00:00
Bill Wendling
51375114ca Get rid of compilation warning during release builds 
llvm-svn: 43608
 2007-11-01 08:24:40 +00:00
Chris Lattner
a5a3acd512 Add the start of chapter 6, still much to go. 
llvm-svn: 43607
 2007-11-01 06:49:54 +00:00
Evan Cheng
7c2d41dcc1 - Coalesce extract_subreg when both intervals are relatively small. 
- Some code clean up.

llvm-svn: 43606
 2007-11-01 06:22:48 +00:00
Owen Anderson
594b0fe9e2 Fix test/Transforms/DeadStoreElimination/PartialStore.ll, which had been 
silently failing because of an incorrect run line for some time.

llvm-svn: 43605
 2007-11-01 05:29:16 +00:00
Chris Lattner
4618bf2f11 remove verifier command line option: this should be part of the API, not 
a command line optn.

llvm-svn: 43603
 2007-11-01 04:43:13 +00:00
Chris Lattner
6e527ae16f add a broken gcc version, thanks to P. Durante for pointing this out. 
llvm-svn: 43602
 2007-11-01 04:20:16 +00:00
Owen Anderson
8eb7b6ed84 Now with less tabs! 
llvm-svn: 43601
 2007-11-01 03:54:23 +00:00
Dale Johannesen
c125d9b4e8 Test that expand_vector_elt(v2i64) works in 32-bit mode. 
llvm-svn: 43598
 2007-11-01 02:38:24 +00:00
Chris Lattner
38a21a25f2 Fix InstCombine/2007-10-31-StringCrash.ll by removing an obvious 
(in hindsight) infinite recursion.  Simplify the code.

llvm-svn: 43597
 2007-11-01 02:30:35 +00:00
Chris Lattner
d29624e11a Fix InstCombine/2007-10-31-RangeCrash.ll 
llvm-svn: 43596
 2007-11-01 02:18:41 +00:00
Ted Kremenek
88302abf8a Rewrote backpatcher. Backpatcher now stores the "has final pointer" 
flag in the **key** of the backpatch map, as opposed to the mapped
value which contains either the final pointer, or a pointer to a chain
of pointers that need to be backpatched.  The bit flag was moved to
the key because we were erroneously assuming that the backpatched
pointers would be at an alignment of >= 2 bytes, which obviously
doesn't work for character strings.  Now we just steal the bit from the key.

llvm-svn: 43595
 2007-11-01 00:57:37 +00:00
Ted Kremenek
5517254faa Added typedef "value_type" to DenseMap (similar typedef appears in std::map). 
Added method FindAndConstruct() to DenseMap, which does the same thing as
operator[], except that it refers value_type& (a reference to both the
key and mapped data pair).  This method is useful for clients that wish
to access the stored key value, as opposed to the key used to do the
actual lookup (these need not always be the same).

Redefined operator[] to use FindAndConstruct() (same logic).

llvm-svn: 43594
 2007-11-01 00:54:57 +00:00
Ted Kremenek
b94840e211 constified several pointer arguments for methods in the Deserializer. 
llvm-svn: 43583
 2007-10-31 22:42:03 +00:00
Dan Gohman
a9d080508e Fix a regression in test/CodeGen/X86/2007-04-24-VectorCrash.ll introduced 
by r43510. Gracefully handle constants with vector type that aren't
ConstantVector or ConstantAggregateZero.

llvm-svn: 43579
 2007-10-31 21:36:31 +00:00
Owen Anderson
89dee120a1 Add a preverifier pass to check that every basic block ends in a terminator, so that we don't segfault when verifying invalid code. 
llvm-svn: 43578
 2007-10-31 21:04:18 +00:00
Ted Kremenek
deeab7cc87 Implemented deserialization of references. References are handled 
just like pointers, except that they cannot be backpatched.  This
means that references are essentially non-owning pointers where the
referred object must be deserialized prior to the reference being
deserialized.  Because of the nature of references, this ordering of
objects is always possible.

Fixed a bug in backpatching code (returning the backpatched pointer
would accidentally include a bit flag).

llvm-svn: 43570
 2007-10-31 19:58:32 +00:00
Ted Kremenek
f6f2eb1c4f Added Serializer::EmitRef to deal with emitting arbitrary references. 
Modified Serializer::EmitPtr to handle const pointers.

llvm-svn: 43565
 2007-10-31 18:23:21 +00:00
Ted Kremenek
4284b7c63c Changed access control within FoldingSet for some ivars from "private" 
to "protected".  This allows iterators to work.

llvm-svn: 43559
 2007-10-31 17:12:47 +00:00
Rafael Espindola
27a8907a7c Make ARM and X86 LowerMEMCPY identical by moving the isThumb check into getMaxInlineSizeThreshold 
and by restructuring the X86 version.

New I just have to move this to a common place :-)

llvm-svn: 43554
 2007-10-31 14:39:58 +00:00
Dan Gohman
51cadc3b59 Fix a typo in a comment. 
llvm-svn: 43553
 2007-10-31 14:35:39 +00:00
Rafael Espindola
fae98471a9 Make ARM an X86 memcpy expansion more similar to each other. 
Now both subtarget define getMaxInlineSizeThreshold and the expansion uses it.

This should not change generated code.

llvm-svn: 43552
 2007-10-31 11:52:06 +00:00
Duncan Sands
b86535ad9a Promotion of sdiv/srem/udiv/urem. 
llvm-svn: 43551
 2007-10-31 08:57:43 +00:00
Duncan Sands
c945dfa9af Add a newline at the end of the file. 
llvm-svn: 43550
 2007-10-31 08:49:24 +00:00
Chris Lattner
4c331443c8 fix validation 
llvm-svn: 43549
 2007-10-31 07:30:39 +00:00
Chris Lattner
945b810036 okay, fine, make me finish this chapter. :) 
Feedback appreciated!

llvm-svn: 43548
 2007-10-31 07:29:43 +00:00
Chris Lattner
b2b616f4d5 add the code for expression code that we'll add, though most of the 
description is missing.

llvm-svn: 43547
 2007-10-31 06:47:39 +00:00
Chris Lattner
e94d86d349 Add the first half of chapter 5: if/then/else. 
To come: for statement.

llvm-svn: 43546
 2007-10-31 06:30:21 +00:00
Chris Lattner
5082217e07 __main is dead along with llvm-gcc3. 
llvm-svn: 43545
 2007-10-31 05:53:31 +00:00
Owen Anderson
ae0530aaf4 Add the skeleton of a better PHI elimination pass. 
llvm-svn: 43542
 2007-10-31 03:37:57 +00:00
Owen Anderson
4314cf9d58 Some fixes to get MachineDomTree working better. 
llvm-svn: 43541
 2007-10-31 03:30:14 +00:00
Dale Johannesen
9bc04ae496 Make i64=expand_vector_elt(v2i64) work in 32-bit mode. 
llvm-svn: 43535
 2007-10-31 00:32:36 +00:00
Evan Cheng
06ec64fcda At end of LSR, replace uses of now constant (as result of SplitCriticalEdge) PHI node with the constant value. 
llvm-svn: 43533
 2007-10-30 23:45:15 +00:00
Ted Kremenek
d3e5310f68 Added member function "size()" to FoldingSet to return the number of 
nodes in the FoldingSet.

llvm-svn: 43531
 2007-10-30 23:35:55 +00:00
Devang Patel
d646b31441 New test. 
llvm-svn: 43527
 2007-10-30 23:07:47 +00:00
Evan Cheng
5e058e94b5 It's not safe to tell SplitCriticalEdge to merge identical edges. It may delete the phi instruction that's being processed. 
llvm-svn: 43524
 2007-10-30 22:27:26 +00:00
Dale Johannesen
7167117945 Add missing SSE builtins: CVTPD2PI, CVTPS2PI, 
CVTTPD2PI, CVTTPS2PI, CVTPI2PD, CVTPI2PS.

llvm-svn: 43523
 2007-10-30 22:15:38 +00:00
Evan Cheng
1fef4e369a Typo. 
llvm-svn: 43511
 2007-10-30 20:11:21 +00:00
Dan Gohman
9365affecc Add support for folding binary operators with vector zero operands. 
llvm-svn: 43510
 2007-10-30 19:00:49 +00:00
Duncan Sands
f6837e8634 Fix for visibility warnings generated by gcc-4.2. 
llvm-svn: 43500
 2007-10-30 13:14:37 +00:00
Duncan Sands
7f83f63eef Add support for expanding trunc stores. Consider 
storing an i170 on a 32 bit machine.  This is first
promoted to a trunc-i170 store of an i256.  On a
little-endian machine this expands to a store of
an i128 and a trunc-i42 store of an i128.  The
trunc-i42 store is further expanded to a trunc-i42
store of an i64, then to a store of an i32 and a
trunc-i10 store of an i32.  At this point the operand
type is legal (i32) and expansion stops (legalization
of the trunc-i10 needs to be handled in LegalizeDAG.cpp).
On big-endian machines the high bits are stored first,
and some bit-fiddling is needed in order to generate
aligned stores.

llvm-svn: 43499
 2007-10-30 12:50:39 +00:00
Duncan Sands
d095f59cde If a call to getTruncStore is for a normal store, 
offload to getStore rather than trying to handle
both cases at once (the assertions for example
assume the store really is truncating).

llvm-svn: 43498
 2007-10-30 12:40:58 +00:00
Dale Johannesen
c4bfe4a99e Fix argument types for PSLLQ, PSRLQ. 
llvm-svn: 43490
 2007-10-30 01:44:33 +00:00
Dale Johannesen
461a0c47f8 Add missing MMX PSUBQ. 
llvm-svn: 43488
 2007-10-30 01:18:38 +00:00
Evan Cheng
633cd3e84d - Bug fixes. 
- Allow icmp rewrite using an iv / stride of a smaller integer type.

llvm-svn: 43480
 2007-10-29 22:07:18 +00:00
Hartmut Kaiser
5ff0631910 Updated VC++ build system 
llvm-svn: 43479
 2007-10-29 21:56:15 +00:00
Dan Gohman
02b8beff5f Fix a DAGCombiner abort on a bitcast from a scalar to a vector. 
llvm-svn: 43470
 2007-10-29 20:44:42 +00:00
Dan Gohman
1c499173c8 Don't bitcast from pointer-to-vector to pointer-to-array when 
lowering load and store instructions.

llvm-svn: 43468
 2007-10-29 20:34:35 +00:00
Dan Gohman
8f74d7f5c0 Use an array instead of a fixed-length std::vector. 
llvm-svn: 43467
 2007-10-29 20:24:00 +00:00