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Author SHA1 Message Date
Evan Cheng
b4162fd393 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40076 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-20 00:27:43 +00:00
Evan Cheng
102dc195b6 No need for noResults anymore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40075 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-20 00:21:23 +00:00
Evan Cheng
d5f181a665 Oops. These stores actually produce results. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40074 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-20 00:20:46 +00:00
Evan Cheng
66746741a7 New test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40073 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-19 23:53:50 +00:00
Evan Cheng
158622cca3 Try fixing it again. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40072 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-19 23:53:29 +00:00
Evan Cheng
d4d01b71a7 Fix custom lowering of SSE FXOR. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40071 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-19 23:36:01 +00:00
Evan Cheng
31d3a65052 Fix patterns so we isel the xorps, etc. for floating pt logical SSE ops. DAG combiner may fold away the (bit_convert (load)). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40070 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-19 23:34:10 +00:00
Reid Spencer
9445e9aaa0 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40069 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-19 23:13:04 +00:00
Reid Spencer
087b72d1bc 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40066 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-19 21:05:30 +00:00
Owen Anderson
b83e56f6b6 Make val_replace fail early, which reduces the time to optimize 403.gcc to 14.8s. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40064 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-19 19:57:13 +00:00
Bill Wendling
3b1c0994a0 Don't need the "&&" to glue lines together. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40063 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-19 18:06:26 +00:00
Devang Patel
58e0ef1e90 Verify loop info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40062 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-19 18:02:32 +00:00
Anton Korobeynikov
6b8337392c Properly initialize value :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40059 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-19 15:32:47 +00:00
Duncan Sands
20d824b7df Replace mysterious code causing a g++-4.2 warning 
with hopefully correct code that pleases g++-4.2.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40051 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-19 09:42:01 +00:00
Duncan Sands
1d572db21e 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40050 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-19 09:38:34 +00:00
Duncan Sands
70d0bd1624 As pointed out by g++-4.2, the original code didn't do 
what it thought it was doing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40044 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-19 07:31:58 +00:00
Owen Anderson
71a1e57d18 Remember to free the heap allocated array if we're not going to use it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40043 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-19 06:45:33 +00:00
Owen Anderson
19bc4a8acd Use SmallVector and DenseMap in even more places. 
With this, the time to optimize 403.gcc is down to 15.1s.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40042 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-19 06:37:56 +00:00
Bill Wendling
74430e7b0e Testcase for PR1549 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40041 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-19 06:31:11 +00:00
Owen Anderson
fb66541e63 Change ValueTable to use a DenseMap for mapping expressions to value numbers. 
This results in a slight speedup for 403.gcc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40040 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-19 06:13:15 +00:00
Devang Patel
9750b5d577 Set up ground work to verify preserved analysis info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40039 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-19 05:36:09 +00:00
Owen Anderson
b97819852a Move some sets and maps to SmallPtrSet and DenseMap respectively. This 
reduces the time to optimize 403.gcc from 17.6s to 16.4s.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40036 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-19 03:32:44 +00:00
Devang Patel
a8a8a36629 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40035 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-19 02:29:24 +00:00
Devang Patel
72ea8d9060 Now this temp. fix is not required. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40034 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-19 02:22:21 +00:00
Evan Cheng
64d80e3387 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))]>;


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40033 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-19 01:14:50 +00:00
Evan Cheng
4558b807a2 Only adjust esp around calls in presence of alloca. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40030 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-19 00:42:58 +00:00
Evan Cheng
7e7bbf8271 Only adjust esp around calls in presence of alloca. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40028 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-19 00:42:05 +00:00
Devang Patel
24857a3fac Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40025 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-18 23:50:19 +00:00
Devang Patel
31ad75329e Fix dominator info update to accommodate CFG changes. 
This fixes PR1559.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40024 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-18 23:48:20 +00:00
Devang Patel
a8d507d970 New test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40023 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-18 23:47:02 +00:00
Evan Cheng
273288c888 Add comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40022 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-18 23:34:48 +00:00
Evan Cheng
ccb21fdbb6 New test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40020 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-18 21:39:16 +00:00
Evan Cheng
3c46eefba2 Use MOV instead of LEA to restore ESP if callee-saved frame size is 0; if previous instruction updates esp, fold it in. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40018 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-18 21:26:06 +00:00
Dan Gohman
6ab2d18f5e Add constructor overloads for LoadInst and StoreInst that insert at the 
end of a BasicBlock and have an alignment parameter.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40016 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-18 20:51:11 +00:00
Dan Gohman
4106f3714e Implement initial memory alignment awareness for SSE instructions. Vector loads 
and stores that have a specified alignment of less than 16 bytes now use
instructions that support misaligned memory references.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40015 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-18 20:23:34 +00:00
Owen Anderson
b54b315251 Fix an issue where assignments that caused a SmallPtrSet to become non-small 
would result in calling realloc() on a null pointer.  Instead, if we encounter
this situation, make a normal call to malloc().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40014 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-18 19:54:15 +00:00
Dan Gohman
48613b930a It's not necessary to do rounding for alloca operations when the requested 
alignment is equal to the stack alignment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-18 16:29:46 +00:00
Evan Cheng
b5cd24973c New entry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@39998 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-18 08:21:49 +00:00
Reid Spencer
cbb7ec7396 Fix a sys::Path API error caught by a gcc 4.2 warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@39995 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-18 05:27:33 +00:00
Chris Lattner
ad8c531e20 Work around a bogus gcc 4.2 warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@39993 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-18 04:51:57 +00:00
Reid Spencer
531ec1e7a2 Fix this test to not rely on the path but to use the 
configured llvm-gcc instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@39992 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-18 04:37:24 +00:00
Reid Spencer
9a9d03dac1 The property is svn:executable not svn:execute. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@39991 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-18 04:26:05 +00:00
Nick Lewycky
254aa7cf2b Alphabetize. Document -mlimit parameter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@39990 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-18 04:24:20 +00:00
Owen Anderson
b63c7b695f Turn on FastDSE by default. 
Note: FastDSE now equals or exceeds the results of old DSE on all of SPEC2000 and SPEC2006. Unless major problems
show up in the testers, it will likely completely replace old DSE in the near future.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@39986 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-17 21:59:21 +00:00
Evan Cheng
9b8c674432 Fold prologue esp update when possible. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@39984 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-17 21:26:42 +00:00
Andrew Lenharth
0af32251c7 support poolalloc as checked out from svn 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@39983 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-17 20:37:35 +00:00
Evan Cheng
74b1e1424c Change sroa threshold back. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@39980 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-17 20:07:21 +00:00
Evan Cheng
f99002c143 Dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@39979 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-17 20:01:19 +00:00
Evan Cheng
5b3332cc27 Make sure not to break eh_return. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@39978 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-17 18:40:47 +00:00
Evan Cheng
698b63862c Update. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@39977 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-17 18:39:45 +00:00