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Author SHA1 Message Date
Evan Cheng
168a66b21e A number of LSR fixes: 
- ChangeCompareStride only reuse stride that is larger than current stride. It
  will let the general reuse mechanism to try to reuse a smaller stride.
- Watch out for multiplication overflow in ChangeCompareStride.
- Replace std::set with SmallPtrSet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43408 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-26 23:08:19 +00:00
Ted Kremenek
cd9c2ba7f7 Added SerializeAPInt.cpp and DeserializeAPInt.cpp to the XCode project. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43406 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-26 21:53:37 +00:00
Ted Kremenek
1a43e5ffe1 Added serialization support for APInt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43405 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-26 21:50:10 +00:00
Ted Kremenek
7f46734b66 Fixed incorrect "path name" in preamble (comment) of header file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43402 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-26 20:44:02 +00:00
Ted Kremenek
02760ed19a Fixed incorrect "path name" in preamble (comment) of header file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43401 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-26 20:42:45 +00:00
Bill Wendling
61297f960e On second thought. Remove this as it should never be generated in the first 
place.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43400 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-26 20:34:37 +00:00
Bill Wendling
984e986929 - Remove the hacky code that forces a memcpy. Alignment is taken care of in the 
FE.
- Explicitly pass in the alignment of the load & store.
- XFAIL 2007-10-23-UnalignedMemcpy.ll because llc has a bug that crashes on
  unaligned pointers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43398 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-26 20:24:42 +00:00
Ted Kremenek
6a13dfdc6d Added default implementation of SerializeTrait<> that dispatches to 
calling member functions of the target type to perform type-specific
serialization.
                         
Added version of ReadPtr that allows passing references to uintptr_t
(useful for smart pointers).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43396 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-26 20:23:27 +00:00
Evan Cheng
f1fc54f951 Fix a crash. Make sure TLI is not null. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43384 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-26 17:24:46 +00:00
Anton Korobeynikov
8d9d74eaa8 Fix off-by-one stack offset computations (dwarf information) for callee-saved 
registers in case, when FP pointer was eliminated. This should fixes misc. random
EH-related crahses, when stuff is compiled with -fomit-frame-pointer.
Thanks Duncan for nailing this bug!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43381 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-26 09:13:24 +00:00
Eric Christopher
3c999a270e clo/clz aren't supported on mips I. Keep them around for when we'll 
want them later (mips32/64).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43380 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-26 04:00:13 +00:00
Owen Anderson
ef15029258 Make a comment better. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43379 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-26 03:47:14 +00:00
Gordon Henriksen
55cbec317d More fleshing out of docs/Passes.html, plus some typo fixes and 
improved wording in source files.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43377 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-26 03:03:51 +00:00
Evan Cheng
2bd122c4d9 Loosen up iv reuse to allow reuse of the same stride but a larger type when truncating from the larger type to smaller type is free. 
e.g.
Turns this loop:
LBB1_1: # entry.bb_crit_edge
        xorl    %ecx, %ecx
        xorw    %dx, %dx
        movw    %dx, %si
LBB1_2: # bb
        movl    L_X$non_lazy_ptr, %edi
        movw    %si, (%edi)
        movl    L_Y$non_lazy_ptr, %edi
        movw    %dx, (%edi)
		addw    $4, %dx
		incw    %si
		incl    %ecx
		cmpl    %eax, %ecx
		jne     LBB1_2  # bb
	
into

LBB1_1: # entry.bb_crit_edge
        xorl    %ecx, %ecx
        xorw    %dx, %dx
LBB1_2: # bb
        movl    L_X$non_lazy_ptr, %esi
        movw    %cx, (%esi)
        movl    L_Y$non_lazy_ptr, %esi
        movw    %dx, (%esi)
        addw    $4, %dx
		incl    %ecx
        cmpl    %eax, %ecx
        jne     LBB1_2  # bb


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43375 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-26 01:56:11 +00:00
Hartmut Kaiser
081fdf238b Silenced a VC++ warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43374 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 23:49:14 +00:00
Ted Kremenek
3bd9dcc08f Updated backpatching during object deserialization to support "smart" 
pointers that employ unused bits in a pointer to store extra data.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43373 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 23:40:35 +00:00
Hartmut Kaiser
8df77a9e0f Clarified operator precedence. 
Silenced VC++ warning.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43372 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 23:15:31 +00:00
Hartmut Kaiser
0fcf68a5e0 Disambiguated variable name to comply with VC++'s archaic variable scoping rules. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43369 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 22:57:48 +00:00
Hartmut Kaiser
3faa173448 Updated VC++ build system 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43368 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 22:56:13 +00:00
Evan Cheng
5f8ebaa5c0 Do not rewrite compare instruction using iv of a different stride if the new 
stride may be rewritten using the stride of the compare instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43367 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 22:45:20 +00:00
Dale Johannesen
ca4571e79f Support non-POSIX hosts by removing use of strncasecmp. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43364 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 21:54:43 +00:00
Bill Wendling
da6efc5268 Changed XXX to FIXME, and added comment to the README file 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43359 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 19:49:32 +00:00
Ted Kremenek
2423e03ca8 Added special treatment of serializing NULL pointers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43357 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 18:42:52 +00:00
Evan Cheng
2c8ca5c415 Remove code that's commented out. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43356 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 18:38:24 +00:00
Bill Wendling
0713a22423 Added comment explaining why we are doing this check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43353 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 18:23:45 +00:00
Ted Kremenek
3b8ac40e63 Created header file to include minimal forward references needed for 
object serialization.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43352 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 18:19:29 +00:00
Chris Lattner
e949512dfa typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43351 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 18:05:29 +00:00
Chris Lattner
7271423a99 some minor edits, link to Passes.html, make one point 
I forgot about yesterday.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43350 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 17:52:39 +00:00
Ted Kremenek
89a354d7fa Added Serialization.h, Serialize.h, Deserialize.h, Serialize.cpp, and 
Deserialize.cpp to the XCode project.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43345 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 16:09:09 +00:00
Duncan Sands
2e606cfc7a Small formatting changes. Add a sanity check. 
Use NVT rather than looking it up, since we have
it to hand.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43341 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 12:35:51 +00:00
Duncan Sands
cac99db7da Promote SETCC operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43340 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 12:32:31 +00:00
Duncan Sands
a3d10d808e Correctly extract the ValueType from a VTSDNode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43339 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 12:30:51 +00:00
Duncan Sands
b36904be91 Fix comment typos. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43338 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 12:28:12 +00:00
Gordon Henriksen
0e15dc26ec Fleshing out docs/Passes.html for some analyses. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43337 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 10:18:27 +00:00
Evan Cheng
cdf43b1fad If a loop termination compare instruction is the only use of its stride, 
and the compaison is against a constant value, try eliminate the stride
by moving the compare instruction to another stride and change its
constant operand accordingly. e.g.

loop:
...
v1 = v1 + 3
v2 = v2 + 1
if (v2 < 10) goto loop
=>
loop:
...
v1 = v1 + 3
if (v1 < 30) goto loop


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43336 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 09:11:16 +00:00
Gordon Henriksen
ddaa61d8b5 Passes.html now 'passes' validation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43335 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 08:58:56 +00:00
Gordon Henriksen
1f5cce0b7b Bringing Passes.html structurally up-to-date, and enabling 
semi-automated maintenance.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43334 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 08:46:12 +00:00
Owen Anderson
6867aec148 Fix an obvious typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43333 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 06:50:30 +00:00
Owen Anderson
18f09925a2 More tutorial cleanups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43332 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 06:49:29 +00:00
Owen Anderson
34ba67adf0 Add proper footers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43331 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 06:45:01 +00:00
Owen Anderson
5339f85715 Don't bother providing code samples. Maintaining zip files in the repository is a pain. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43330 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 06:41:23 +00:00
Chris Lattner
118749e02c Add chapter 4, feedback appreciated. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43329 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 06:23:36 +00:00
Chris Lattner
33819d9704 remove unimplemented ctor, add some comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43328 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 05:19:24 +00:00
Chris Lattner
d9b8616c27 Run the verifier on generated code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43327 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 04:30:35 +00:00
Owen Anderson
f92ff03f71 Fix for PR1741. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43326 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 02:36:18 +00:00
Dale Johannesen
691645e90f Testcase for PR 1397. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43323 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 00:50:14 +00:00
Owen Anderson
4d6d5783d8 Make it possible for DomTreeBase to be constructed from MachineFunction's as well as just Function's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43321 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 00:16:57 +00:00
Ted Kremenek
fe2a012338 Implemented prototype serialization of pointers, including support 
for backpatching.

Added Deserialize::ReadVal.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43319 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-25 00:10:21 +00:00
Dale Johannesen
8eadd5a6db Another expansion for i64 multiply, suitable for PPC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43314 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-24 22:26:08 +00:00
Dale Johannesen
0bd5fcf49f This was failing on Darwin, which defaults to PIC; 
no lea was generated.  I think this follows the intent.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43312 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-24 20:58:14 +00:00