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Author SHA1 Message Date
Evan Cheng
53cb03b583 No more noResults. 
llvm-svn: 40132
 2007-07-21 00:34:19 +00:00
Dan Gohman
ac8ccab48f Don't assume that only Uses can be kills. Defs are marked as kills initially 
when there are no uses. This fixes a dangling-pointer bug, where pointers to
deleted instructions were not removed from kills lists. More info here:
http://lists.cs.uiuc.edu/pipermail/llvmdev/2007-July/009749.html

llvm-svn: 40131
 2007-07-20 23:17:34 +00:00
Dan Gohman
d1cc67ea8d Simplify the logic for setVolatile. 
llvm-svn: 40130
 2007-07-20 23:14:50 +00:00
Duncan Sands
925762f19b Need -O1 or better to have these builtins lowered to 
llvm intrinsics in llvm-gcc-4.2.  This is because
get_pointer_alignment bails out: it relies on TER
to compute accurate alignment information.

llvm-svn: 40128
 2007-07-20 22:39:06 +00:00
Chris Lattner
c157b172c1 zext(undef) = 0 and sext(undef) = 0, not undef. 
This hopefully fixes a miscompilation of TargetData.cpp when self hosting.

llvm-svn: 40125
 2007-07-20 22:09:02 +00:00
Chris Lattner
9663eb4a5b this xform is already done by the constant folder. 
llvm-svn: 40124
 2007-07-20 22:06:41 +00:00
Evan Cheng
cdb4e7949f Added -print-emitted-asm to print out JIT generated asm to cerr. 
llvm-svn: 40123
 2007-07-20 21:56:13 +00:00
Reid Spencer
d46e64cae9 Update to include clean and install commands. 
llvm-svn: 40119
 2007-07-20 20:54:41 +00:00
Chandler Carruth
e5c617b3a0 No longer referencing "shared memory" as this can confuse people. The memory is 
clearly shared between processors if these instructions are being used, no 
further specification of what type of memory is necessary.

llvm-svn: 40118
 2007-07-20 20:14:52 +00:00
Reid Spencer
63e429d8bf Silly HTML 
llvm-svn: 40117
 2007-07-20 20:03:33 +00:00
Reid Spencer
491c2963bd Fix validation errors. 
llvm-svn: 40116
 2007-07-20 19:59:11 +00:00
Chandler Carruth
33a4d149d6 This introduces the atomic operation intrinsics into the documentation. This is 
a preview for the intrinsics that are going to be implemented over the next few 
weeks.

llvm-svn: 40115
 2007-07-20 19:34:37 +00:00
Owen Anderson
2ceefaf94d Make the heuristic for shrinking DenseMap smarter. 
llvm-svn: 40114
 2007-07-20 18:56:46 +00:00
Devang Patel
133b5cb6b6 Use SmallVector instead of std::vector. 
llvm-svn: 40109
 2007-07-20 18:04:54 +00:00
Chandler Carruth
ae2ae3b023 Fixing some differences between CVS and SVN diff'ing. Reid fixed these already, 
but I think it got lost in the conversion mess.

llvm-svn: 40107
 2007-07-20 17:21:54 +00:00
Dan Gohman
87107326f6 Optimize alignment of loads and stores. 
llvm-svn: 40102
 2007-07-20 16:34:21 +00:00
Dan Gohman
df9edb66c2 Update these regression tests to accomodate X86InstrSSE.td now using movups/movaps 
for everything.

llvm-svn: 40101
 2007-07-20 16:31:26 +00:00
Owen Anderson
07f3b97796 Have DenseMap auto-shrink itself on clear(). This improves the time to optimize 
403.gcc from 15.2s to 14.3s.

llvm-svn: 40100
 2007-07-20 16:15:24 +00:00
Duncan Sands
4b390d541e Place SCCPSolver also in the anonymous namespace. This 
pacifies g++-4.2.

llvm-svn: 40089
 2007-07-20 08:56:21 +00:00
Owen Anderson
89afa507b1 Fix a bug where we were marking GEP expressions with the wrong opcode. 
llvm-svn: 40085
 2007-07-20 08:19:20 +00:00
Owen Anderson
3a92d35e62 When removing instructions from the analysis, be sure to check the confirmed 
flag when determining what to do with dependencies.

llvm-svn: 40079
 2007-07-20 06:16:07 +00:00
Evan Cheng
d846db5ab8 New test. 
llvm-svn: 40077
 2007-07-20 00:27:56 +00:00
Evan Cheng
ac92a8149e Because we promote SSE logical ops and loads to v2i64, we often end up generate 
code that cross integer / floating point domains (e.g. generate pxor / pand for
logical ops on floating point value, movdqa to load / store floating point SSE
values). Given that, it's better to use movaps instead of movdqa and movups
instead of movdqu. They have the same latency but the "aps" variants are one
byte shorter.
If the domain crossing problem is a real performance issue, then we will have to
fix it with dynamic programming based isel.

llvm-svn: 40076
 2007-07-20 00:27:43 +00:00
Evan Cheng
3c78aadb70 No need for noResults anymore. 
llvm-svn: 40075
 2007-07-20 00:21:23 +00:00
Evan Cheng
f8d66a1eec Oops. These stores actually produce results. 
llvm-svn: 40074
 2007-07-20 00:20:46 +00:00
Evan Cheng
d7a079b7e2 New test. 
llvm-svn: 40073
 2007-07-19 23:53:50 +00:00
Evan Cheng
b95db5ea4b Try fixing it again. 
llvm-svn: 40072
 2007-07-19 23:53:29 +00:00
Evan Cheng
ba990bbc3f Fix custom lowering of SSE FXOR. 
llvm-svn: 40071
 2007-07-19 23:36:01 +00:00
Evan Cheng
f11cf2cad8 Fix patterns so we isel the xorps, etc. for floating pt logical SSE ops. DAG combiner may fold away the (bit_convert (load)). 
llvm-svn: 40070
 2007-07-19 23:34:10 +00:00
Reid Spencer
44d34e9b61 For PR1553: 
Change the keywords for the zext and sext parameter attributes to be 
zeroext and signext so they don't conflict with the keywords for the
instructions of the same name. This gets around the ambiguity.

llvm-svn: 40069
 2007-07-19 23:13:04 +00:00
Reid Spencer
bcbcea4547 Hush a noisy warning from GCC 4.2 about overflow during conversion by using 
the type "unsigned" instead of uintptr_t for a 1-bit structure field.

llvm-svn: 40066
 2007-07-19 21:05:30 +00:00
Owen Anderson
3b1129af78 Make val_replace fail early, which reduces the time to optimize 403.gcc to 14.8s. 
llvm-svn: 40064
 2007-07-19 19:57:13 +00:00
Bill Wendling
649bfb8c03 Don't need the "&&" to glue lines together. 
llvm-svn: 40063
 2007-07-19 18:06:26 +00:00
Devang Patel
45675e56ad Verify loop info. 
llvm-svn: 40062
 2007-07-19 18:02:32 +00:00
Anton Korobeynikov
609ef3bdb9 Properly initialize value :) 
llvm-svn: 40059
 2007-07-19 15:32:47 +00:00
Duncan Sands
8c6657894f Replace mysterious code causing a g++-4.2 warning 
with hopefully correct code that pleases g++-4.2.

llvm-svn: 40051
 2007-07-19 09:42:01 +00:00
Duncan Sands
f5054e4d83 Fix this test. We produce pretty cruddy code for this 
nowadays, unfortunately it's not so easy to get good
code here while still producing correct code in exotic
situations.

llvm-svn: 40050
 2007-07-19 09:38:34 +00:00
Duncan Sands
840594467f As pointed out by g++-4.2, the original code didn't do 
what it thought it was doing.

llvm-svn: 40044
 2007-07-19 07:31:58 +00:00
Owen Anderson
21e3bd1cdc Remember to free the heap allocated array if we're not going to use it. 
llvm-svn: 40043
 2007-07-19 06:45:33 +00:00
Owen Anderson
57d33add2c Use SmallVector and DenseMap in even more places. 
With this, the time to optimize 403.gcc is down to 15.1s.

llvm-svn: 40042
 2007-07-19 06:37:56 +00:00
Bill Wendling
ca081ee3f7 Testcase for PR1549 
llvm-svn: 40041
 2007-07-19 06:31:11 +00:00
Owen Anderson
7a4b965739 Change ValueTable to use a DenseMap for mapping expressions to value numbers. 
This results in a slight speedup for 403.gcc.

llvm-svn: 40040
 2007-07-19 06:13:15 +00:00
Devang Patel
9c100bc7e9 Set up ground work to verify preserved analysis info. 
llvm-svn: 40039
 2007-07-19 05:36:09 +00:00
Owen Anderson
c32df0bc73 Move some sets and maps to SmallPtrSet and DenseMap respectively. This 
reduces the time to optimize 403.gcc from 17.6s to 16.4s.

llvm-svn: 40036
 2007-07-19 03:32:44 +00:00
Devang Patel
fe0ef94227 After a basic block is split into two parts, 
second part dominates all the blocks dominated
by original basic block. And first part dominates
second part.

llvm-svn: 40035
 2007-07-19 02:29:24 +00:00
Devang Patel
4020116257 Now this temp. fix is not required. 
llvm-svn: 40034
 2007-07-19 02:22:21 +00:00
Evan Cheng
8312ed6f77 Change instruction description to split OperandList into OutOperandList and 
InOperandList. This gives one piece of important information: # of results
produced by an instruction.
An example of the change:
def ADD32rr  : I<0x01, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
                 "add{l} {$src2, $dst|$dst, $src2}",
                 [(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
=>
def ADD32rr  : I<0x01, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
                 "add{l} {$src2, $dst|$dst, $src2}",
                 [(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;

llvm-svn: 40033
 2007-07-19 01:14:50 +00:00
Evan Cheng
45eb268032 Only adjust esp around calls in presence of alloca. 
llvm-svn: 40030
 2007-07-19 00:42:58 +00:00
Evan Cheng
30e121adf6 Only adjust esp around calls in presence of alloca. 
llvm-svn: 40028
 2007-07-19 00:42:05 +00:00
Devang Patel
ef7c515e9a Fix typo. 
llvm-svn: 40025
 2007-07-18 23:50:19 +00:00