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Author SHA1 Message Date
Mon P Wang
7d89d61387 Added MemOperands to Atomic operations since Atomics touches memory. 
Added abstract class MemSDNode for any Node that have an associated MemOperand
Changed atomic.lcs => atomic.cmp.swap, atomic.las => atomic.load.add, and
atomic.lss => atomic.load.sub

llvm-svn: 52706
 2008-06-25 08:15:39 +00:00
Matthijs Kooijman
45bffc6580 Fix a (false) warning on darwin. 
llvm-svn: 52705
 2008-06-25 08:12:16 +00:00
Matthijs Kooijman
9b78534b71 Fix some cosmetics in comments. 
llvm-svn: 52704
 2008-06-25 08:10:21 +00:00
Evan Cheng
9a3db8fb91 - Use O(1) check of basic block size limit. 
- Avoid speculatively execute vector ops.

llvm-svn: 52703
 2008-06-25 07:50:12 +00:00
Chris Lattner
73b52018e9 Fix PR2488, a case where we deleted stack restores too aggressively. 
llvm-svn: 52702
 2008-06-25 05:59:28 +00:00
Evan Cheng
bab5925a0b Enable two-address remat by default. 
llvm-svn: 52701
 2008-06-25 01:16:38 +00:00
Owen Anderson
968d4e2444 Use push_back rather than operator[], which is incorrect in this cases. Unfortunately, this slow the testcase down a little bit, 
but only marginally.

llvm-svn: 52700
 2008-06-25 01:05:05 +00:00
Gabor Greif
c940b5b51e Use present tense when talking about User layout. It is implemented now. 
llvm-svn: 52699
 2008-06-25 00:10:22 +00:00
Dan Gohman
a08868acb3 Append to the ActiveTimers std::vector before looking at the timer instead 
of after, so that any reallocation it does doesn't get counted for the pass
being timed.  This probably doesn't account for a timing discrepancy I was
looking into, but I'm fixing it anyway.

llvm-svn: 52693
 2008-06-24 22:07:07 +00:00
Dale Johannesen
244433ebb1 v2f32 is now a valid (MMX) type which breaks this 
test (doesn't work for any MMX vector types, it's
not me).  Rewritten to use v2i16 which is generic
and going to stay that way; I think that preserves
the point of the test.

llvm-svn: 52692
 2008-06-24 22:03:36 +00:00
Dale Johannesen
fdf8fe6c03 Add v2f32 (MMX) type to X86. Support is primitive: 
load,store,call,return,bitcast.  This is enough to
make call and return work.

llvm-svn: 52691
 2008-06-24 22:01:44 +00:00
Owen Anderson
673cae8561 In ConstantArray::getAsString(), we know the size of the resultant string in advance so we can pre-allocate it and just fill in 
the entries.  This improves the time for the AsmPrinter on InstructionCombining.cpp from 0.4248s to 0.3370s.

llvm-svn: 52690
 2008-06-24 21:58:29 +00:00
Owen Anderson
8b2f51618a Use SmallVector instead of std::vector for a minor compile time improvement. 
llvm-svn: 52689
 2008-06-24 21:44:59 +00:00
Dan Gohman
b9384c5e87 Revert 52645, the loop unroller changes. It caused a regression in 252.eon. 
llvm-svn: 52688
 2008-06-24 20:44:42 +00:00
Dan Gohman
e9f0a28c64 Fix a typo in a comment. 
llvm-svn: 52687
 2008-06-24 18:00:21 +00:00
Dan Gohman
7ee5cc0883 Make Allocate<T>() return a T* instead of a void*. And use 
static_cast instead of reinterpret_cast.

llvm-svn: 52686
 2008-06-24 17:49:26 +00:00
Tanya Lattner
84ca4e44d4 Regenerate configure. 
llvm-svn: 52685
 2008-06-24 17:49:13 +00:00
Dan Gohman
fcb2dc2dd6 Use const_cast instead of a C-style cast. 
llvm-svn: 52684
 2008-06-24 17:47:37 +00:00
Dan Gohman
12c7695dcf Correct a comment. 
llvm-svn: 52683
 2008-06-24 17:46:48 +00:00
Chris Lattner
7fdc625548 Add support for building on solaris, working around namespace 
polution problems from system headers.  Patch by Nathan Keynes!

llvm-svn: 52682
 2008-06-24 17:44:42 +00:00
Dan Gohman
d1ec941698 Pass std::string by reference. Thanks Chris! 
llvm-svn: 52678
 2008-06-24 16:40:22 +00:00
Matthijs Kooijman
ff03ea8aeb Commit the new DeadArgElim pass again, this time with the gcc bootstrap failures fixed. 
Also add a testcase to reproduce the gcc bootstrap failure in very much reduced form.

llvm-svn: 52677
 2008-06-24 16:30:26 +00:00
Matthijs Kooijman
cc3a96959e Allow the test suite to be checked out into projects/test-suite. 
We will keep the old projects/llvm-test working for existing installs.

The changes to configure are made manually, since I lack autoconf-2.6. Someone
might want to run AutoGen.sh to see if that changes anything.

llvm-svn: 52675
 2008-06-24 13:01:57 +00:00
Matthijs Kooijman
7f316e0d59 Update testing documentation with more consistent terminology. 
All of LLVM's testing features are now referred to as the "Testing
infrastructure", the DejaGNU tests are just that, and the whole program tests
are referred to as the "test suite".

llvm-svn: 52674
 2008-06-24 12:58:31 +00:00
Matthijs Kooijman
bb456f6b42 Rename a few variables to be more consistent. 
llvm-svn: 52672
 2008-06-24 09:14:10 +00:00
Evan Cheng
a62f5f0f82 If it's determined safe, remat MOV32r0 (i.e. xor r, r) and others as it is instead of using the longer MOV32ri instruction. 
llvm-svn: 52670
 2008-06-24 07:10:51 +00:00
Dan Gohman
29c5903a80 Fix some signed vs. unsigned issues in array and vector handling. 
llvm-svn: 52664
 2008-06-24 01:17:52 +00:00
Dan Gohman
9941a2dab3 Add a note about a potential PIC optimization. 
llvm-svn: 52663
 2008-06-24 00:53:07 +00:00
Dan Gohman
ebc59c90b7 Fixes for being compiled PIC on Linux. This isn't the most 
general solution possible, but it's a fairly simple one.
Based on a patch from the OpenGTL project!

llvm-svn: 52662
 2008-06-24 00:50:01 +00:00
Owen Anderson
501d3ab521 Remove an incorrect comment. 
llvm-svn: 52660
 2008-06-24 00:15:10 +00:00
Owen Anderson
dffc50e90f Use InstrSlots::NUM rather than pre-dividing by four. Also, mark this const. 
llvm-svn: 52659
 2008-06-24 00:08:35 +00:00
Dan Gohman
13e2ffe637 Comment fixes, and make Schedule() pure virtual. 
llvm-svn: 52658
 2008-06-24 00:02:44 +00:00
Dan Gohman
0e992740a0 A brief survey of priority_queue usage in the tree turned this up 
as a questionable case, but the code isn't actually needed.

llvm-svn: 52657
 2008-06-23 23:51:16 +00:00
Dan Gohman
490250e7f2 Add a clear() method to PriorityQueue. 
llvm-svn: 52656
 2008-06-23 23:47:46 +00:00
Bill Wendling
2501066409 This situation can occur: 
,------.
    |      |
    |      v
    |   t2 = phi ... t1 ...
    |      |
    |      v
    |   t1 = ...
    |  ... = ... t1 ...
    |      |
    `------'

where there is a use in a PHI node that's a predecessor to the defining
block. We don't want to mark all predecessors as having the value "alive" in
this case. Also, the assert was too restrictive and didn't handle this case.

llvm-svn: 52655
 2008-06-23 23:41:14 +00:00
Dan Gohman
95743e3078 Use the new PriorityQueue in ScheduleDAGList too, which also 
needs arbitrary-element removal.

llvm-svn: 52654
 2008-06-23 23:40:09 +00:00
Owen Anderson
df17544cd3 Add getScaledIntervalSize, which gives a measure of the size of an interval that is independent of the scaling of 
the function due to empty index slots.  This is suitable for use in backend heuristics that need to reason about the density
of an interval.

llvm-svn: 52652
 2008-06-23 23:25:37 +00:00
Dan Gohman
11d367fd0c Use use_empty() instead of getNumUses(), avoiding a use list traversal. 
llvm-svn: 52651
 2008-06-23 23:23:49 +00:00
Owen Anderson
f2386cff4f Use getMBBEndIdx rather than assuming that the end is right after the last instruction in the block. 
llvm-svn: 52649
 2008-06-23 22:12:23 +00:00
Dan Gohman
24ec9f54bc Fix spelling and grammar in a comment. 
llvm-svn: 52648
 2008-06-23 22:11:52 +00:00
Bill Wendling
d71e7e4f8e Extract the x86_64 part for the executables. 
llvm-svn: 52647
 2008-06-23 22:08:30 +00:00
Dan Gohman
512bf41c02 Simplify erase_one slightly. It's not necessary to preserve 
the value of the element to be erased while the heap is
being updated.

llvm-svn: 52646
 2008-06-23 21:46:21 +00:00
Dan Gohman
7f6ee1cd4b Revamp the loop unroller, extending it to correctly update PHI nodes 
in the presence of out-of-loop users of in-loop values and the trip
count is not a known multiple of the unroll count, and to be a bit
simpler overall. This fixes PR2253.

llvm-svn: 52645
 2008-06-23 21:29:41 +00:00
Evan Cheng
73bdede529 Remove option used to debug stack coloring bugs. It's no longer needed since stack coloring is now bug free. 
llvm-svn: 52644
 2008-06-23 21:24:32 +00:00
Evan Cheng
174f11c202 Disable PRE. It's breaking bootstrapping. 
llvm-svn: 52643
 2008-06-23 21:22:35 +00:00
Dan Gohman
71a0e81d0b Move a DenseMap's declaration outside of a loop, and just call 
clear() on each iteration. This avoids allocating and deallocating
all of DenseMap's memory on each iteration.

llvm-svn: 52642
 2008-06-23 21:15:00 +00:00
Dan Gohman
a989f4f916 Use StringMap instead of std::map<std::string, SDNode*>. 
llvm-svn: 52641
 2008-06-23 21:08:32 +00:00
Dan Gohman
54b67be86a Add methods to StringMap to erase entries by key. 
llvm-svn: 52640
 2008-06-23 21:07:03 +00:00
Evan Cheng
6e5a126667 Instead of adding an isSS field to LiveInterval to denote stack slot. Use top bit of 'reg' instead. If the top bit is set, than the LiveInterval represents a stack slot live interval. 
llvm-svn: 52639
 2008-06-23 21:03:19 +00:00
Wojciech Matyjewicz
1de28ac425 First step to fix PR2088. Implement routine to compute the 
multiplicative inverse of a given number. Modify udivrem to allow input and 
output pairs of arguments to overlap. Patch is based on the work by Chandler
Carruth.

llvm-svn: 52638
 2008-06-23 19:39:50 +00:00