Dale Johannesen [Tue, 24 Jun 2008 22:01:44 +0000 (22:01 +0000)]
Add v2f32 (MMX) type to X86. Support is primitive:
load,store,call,return,bitcast. This is enough to
make call and return work.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52691
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Owen Anderson [Tue, 24 Jun 2008 21:58:29 +0000 (21:58 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52690
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Owen Anderson [Tue, 24 Jun 2008 21:44:59 +0000 (21:44 +0000)]
Use SmallVector instead of std::vector for a minor compile time improvement.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52689
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Dan Gohman [Tue, 24 Jun 2008 20:44:42 +0000 (20:44 +0000)]
Revert 52645, the loop unroller changes. It caused a regression in 252.eon.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52688
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Dan Gohman [Tue, 24 Jun 2008 18:00:21 +0000 (18:00 +0000)]
Fix a typo in a comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52687
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Dan Gohman [Tue, 24 Jun 2008 17:49:26 +0000 (17:49 +0000)]
Make Allocate<T>() return a T* instead of a void*. And use
static_cast instead of reinterpret_cast.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52686
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Tanya Lattner [Tue, 24 Jun 2008 17:49:13 +0000 (17:49 +0000)]
Regenerate configure.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52685
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Dan Gohman [Tue, 24 Jun 2008 17:47:37 +0000 (17:47 +0000)]
Use const_cast instead of a C-style cast.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52684
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Dan Gohman [Tue, 24 Jun 2008 17:46:48 +0000 (17:46 +0000)]
Correct a comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52683
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Chris Lattner [Tue, 24 Jun 2008 17:44:42 +0000 (17:44 +0000)]
Add support for building on solaris, working around namespace
polution problems from system headers. Patch by Nathan Keynes!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52682
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Dan Gohman [Tue, 24 Jun 2008 16:40:22 +0000 (16:40 +0000)]
Pass std::string by reference. Thanks Chris!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52678
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Matthijs Kooijman [Tue, 24 Jun 2008 16:30:26 +0000 (16:30 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52677
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Matthijs Kooijman [Tue, 24 Jun 2008 13:01:57 +0000 (13:01 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52675
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Matthijs Kooijman [Tue, 24 Jun 2008 12:58:31 +0000 (12:58 +0000)]
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".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52674
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Matthijs Kooijman [Tue, 24 Jun 2008 09:14:10 +0000 (09:14 +0000)]
Rename a few variables to be more consistent.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52672
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Evan Cheng [Tue, 24 Jun 2008 07:10:51 +0000 (07:10 +0000)]
If it's determined safe, remat MOV32r0 (i.e. xor r, r) and others as it is instead of using the longer MOV32ri instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52670
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Dan Gohman [Tue, 24 Jun 2008 01:17:52 +0000 (01:17 +0000)]
Fix some signed vs. unsigned issues in array and vector handling.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52664
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Dan Gohman [Tue, 24 Jun 2008 00:53:07 +0000 (00:53 +0000)]
Add a note about a potential PIC optimization.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52663
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Dan Gohman [Tue, 24 Jun 2008 00:50:01 +0000 (00:50 +0000)]
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!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52662
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Owen Anderson [Tue, 24 Jun 2008 00:15:10 +0000 (00:15 +0000)]
Remove an incorrect comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52660
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Owen Anderson [Tue, 24 Jun 2008 00:08:35 +0000 (00:08 +0000)]
Use InstrSlots::NUM rather than pre-dividing by four. Also, mark this const.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52659
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Dan Gohman [Tue, 24 Jun 2008 00:02:44 +0000 (00:02 +0000)]
Comment fixes, and make Schedule() pure virtual.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52658
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Dan Gohman [Mon, 23 Jun 2008 23:51:16 +0000 (23:51 +0000)]
A brief survey of priority_queue usage in the tree turned this up
as a questionable case, but the code isn't actually needed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52657
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Dan Gohman [Mon, 23 Jun 2008 23:47:46 +0000 (23:47 +0000)]
Add a clear() method to PriorityQueue.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52656
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Bill Wendling [Mon, 23 Jun 2008 23:41:14 +0000 (23:41 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52655
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Dan Gohman [Mon, 23 Jun 2008 23:40:09 +0000 (23:40 +0000)]
Use the new PriorityQueue in ScheduleDAGList too, which also
needs arbitrary-element removal.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52654
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Owen Anderson [Mon, 23 Jun 2008 23:25:37 +0000 (23:25 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52652
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Dan Gohman [Mon, 23 Jun 2008 23:23:49 +0000 (23:23 +0000)]
Use use_empty() instead of getNumUses(), avoiding a use list traversal.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52651
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Owen Anderson [Mon, 23 Jun 2008 22:12:23 +0000 (22:12 +0000)]
Use getMBBEndIdx rather than assuming that the end is right after the last instruction in the block.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52649
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Dan Gohman [Mon, 23 Jun 2008 22:11:52 +0000 (22:11 +0000)]
Fix spelling and grammar in a comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52648
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Bill Wendling [Mon, 23 Jun 2008 22:08:30 +0000 (22:08 +0000)]
Extract the x86_64 part for the executables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52647
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Dan Gohman [Mon, 23 Jun 2008 21:46:21 +0000 (21:46 +0000)]
Simplify erase_one slightly. It's not necessary to preserve
the value of the element to be erased while the heap is
being updated.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52646
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Dan Gohman [Mon, 23 Jun 2008 21:29:41 +0000 (21:29 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52645
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Evan Cheng [Mon, 23 Jun 2008 21:24:32 +0000 (21:24 +0000)]
Remove option used to debug stack coloring bugs. It's no longer needed since stack coloring is now bug free.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52644
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Evan Cheng [Mon, 23 Jun 2008 21:22:35 +0000 (21:22 +0000)]
Disable PRE. It's breaking bootstrapping.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52643
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Dan Gohman [Mon, 23 Jun 2008 21:15:00 +0000 (21:15 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52642
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Dan Gohman [Mon, 23 Jun 2008 21:08:32 +0000 (21:08 +0000)]
Use StringMap instead of std::map<std::string, SDNode*>.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52641
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Dan Gohman [Mon, 23 Jun 2008 21:07:03 +0000 (21:07 +0000)]
Add methods to StringMap to erase entries by key.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52640
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Evan Cheng [Mon, 23 Jun 2008 21:03:19 +0000 (21:03 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52639
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Wojciech Matyjewicz [Mon, 23 Jun 2008 19:39:50 +0000 (19:39 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52638
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Dan Gohman [Mon, 23 Jun 2008 18:43:26 +0000 (18:43 +0000)]
Update the .cvs files.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52637
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Dan Gohman [Mon, 23 Jun 2008 18:40:28 +0000 (18:40 +0000)]
Fix the types for NumElements variables, and add a comment
explaining why empty array constants use ValID::createUndef().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52636
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Owen Anderson [Mon, 23 Jun 2008 17:49:45 +0000 (17:49 +0000)]
Tighten the conditions under which we do PRE, remove some unneeded code, and correct our preserved analyses list, since we
do now change the CFG by splitting critical edges during PRE.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52631
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Chris Lattner [Mon, 23 Jun 2008 17:11:23 +0000 (17:11 +0000)]
minor tidying of comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52630
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Dan Gohman [Mon, 23 Jun 2008 16:48:17 +0000 (16:48 +0000)]
Remove two convenience constructors because they're now private, and the
private implementation doesn't really need the convenience.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52629
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Dan Gohman [Mon, 23 Jun 2008 16:45:24 +0000 (16:45 +0000)]
Use std::copy instead of a loop.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52628
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Dan Gohman [Mon, 23 Jun 2008 16:39:44 +0000 (16:39 +0000)]
More changes from Chris' review: simplify getIndices and avoid
copying its return value.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52627
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Dan Gohman [Mon, 23 Jun 2008 16:38:10 +0000 (16:38 +0000)]
Remove an unnecessary cast.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52626
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Dan Gohman [Mon, 23 Jun 2008 15:29:14 +0000 (15:29 +0000)]
Duncan pointed out this code could be tidied.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52624
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Dan Gohman [Mon, 23 Jun 2008 15:26:37 +0000 (15:26 +0000)]
Fix the syntax of insertvalue in the example.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52623
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Duncan Sands [Mon, 23 Jun 2008 15:15:44 +0000 (15:15 +0000)]
Port some integer multiplication fixes from LegalizeDAG.
Bail out with an error if there is no libcall available
for the given size of integer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52622
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Duncan Sands [Mon, 23 Jun 2008 15:08:15 +0000 (15:08 +0000)]
Support for expanding the result of EXTRACT_ELEMENT.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52621
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Duncan Sands [Mon, 23 Jun 2008 14:19:45 +0000 (14:19 +0000)]
Cleanup up LegalizeTypes handling of loads and
stores.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52620
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Bill Wendling [Mon, 23 Jun 2008 06:16:31 +0000 (06:16 +0000)]
Make test work on non-x86 machines (like my G4 PPC).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52619
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Owen Anderson [Mon, 23 Jun 2008 06:13:12 +0000 (06:13 +0000)]
At Chris' suggestion, move the liveness and worklist datastructures into
instance variables so they can be allocated just once, and reuse the worklist
as the dead list as well.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52618
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Dan Gohman [Sun, 22 Jun 2008 20:44:02 +0000 (20:44 +0000)]
Improve LSR's dead-phi detection to handle use-def cycles
with more than two nodes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52617
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Dan Gohman [Sun, 22 Jun 2008 20:18:58 +0000 (20:18 +0000)]
Use Loop::block_iterator.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52616
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Dan Gohman [Sun, 22 Jun 2008 19:56:46 +0000 (19:56 +0000)]
Generalize createSCEV to be able to form SCEV expressions from
ConstantExprs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52615
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Dan Gohman [Sun, 22 Jun 2008 19:23:09 +0000 (19:23 +0000)]
Use SCEVAddRecExpr::isAffine.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52614
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Dan Gohman [Sun, 22 Jun 2008 19:21:26 +0000 (19:21 +0000)]
Remove unnecessary #includes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52613
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Dan Gohman [Sun, 22 Jun 2008 19:09:18 +0000 (19:09 +0000)]
Move a few more SCEVExpander methods out-of-line.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52612
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Chris Lattner [Sun, 22 Jun 2008 17:46:21 +0000 (17:46 +0000)]
Fix PR2369 by making scalarrepl more careful about promoting
structures. Its default threshold is to promote things that are
smaller than 128 bytes, which is sane. However, it is not sane
to do this for things that turn into 128 *registers*. Add a cap
on the number of registers introduced, defaulting to 128/4=32.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52611
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Duncan Sands [Sun, 22 Jun 2008 09:42:16 +0000 (09:42 +0000)]
Make custom lowering of ADD work correctly. This
fixes PR2476; patch by Richard Osborne. The same
problem exists for a bunch of other operators, but
I'm ignoring this because they will be automagically
fixed when the new LegalizeTypes infrastructure lands,
since it already solves this problem centrally.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52610
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Eli Friedman [Sat, 21 Jun 2008 23:36:13 +0000 (23:36 +0000)]
Fix for PR2479: correctly optimize expressions like (a > 13) & (a ==
15).
See also PR1800, which is about the signed case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52608
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Dan Gohman [Sat, 21 Jun 2008 22:08:46 +0000 (22:08 +0000)]
Use Instruction::eraseFromParent().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52606
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Dan Gohman [Sat, 21 Jun 2008 22:06:54 +0000 (22:06 +0000)]
Use Function's arg_size() and size() methods.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52605
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Dan Gohman [Sat, 21 Jun 2008 22:06:07 +0000 (22:06 +0000)]
Simplify some getNode calls.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52604
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Dan Gohman [Sat, 21 Jun 2008 22:05:24 +0000 (22:05 +0000)]
canClobberPhysRegDefs shouldn't called without checking hasPhysRegDefs;
check this with an assert.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52603
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Dan Gohman [Sat, 21 Jun 2008 22:03:12 +0000 (22:03 +0000)]
Avoid creating a redundant zero APInt.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52602
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Dan Gohman [Sat, 21 Jun 2008 22:02:15 +0000 (22:02 +0000)]
Use clear() to zero an existing APInt.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52601
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Dan Gohman [Sat, 21 Jun 2008 22:00:54 +0000 (22:00 +0000)]
Use back() instead of [size()-1].
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52600
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Duncan Sands [Sat, 21 Jun 2008 20:26:50 +0000 (20:26 +0000)]
This file is empty.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52596
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Duncan Sands [Sat, 21 Jun 2008 20:22:58 +0000 (20:22 +0000)]
Turn off llvm-gcc warnings when running "make check".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52595
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Dan Gohman [Sat, 21 Jun 2008 20:21:19 +0000 (20:21 +0000)]
Use MachineBasicBlock::transferSuccessors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52594
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Dan Gohman [Sat, 21 Jun 2008 20:17:03 +0000 (20:17 +0000)]
Use static_cast instead of reinterpret_cast for casting void*.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52592
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Chris Lattner [Sat, 21 Jun 2008 19:49:01 +0000 (19:49 +0000)]
Fix warning when assertions disabled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52590
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Chris Lattner [Sat, 21 Jun 2008 19:48:22 +0000 (19:48 +0000)]
fix warning when assertions disabled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52589
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Chris Lattner [Sat, 21 Jun 2008 19:47:44 +0000 (19:47 +0000)]
fix warning when assertion disabled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52588
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Chris Lattner [Sat, 21 Jun 2008 19:47:03 +0000 (19:47 +0000)]
fix some warnings when assertions are disabled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52587
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Dan Gohman [Sat, 21 Jun 2008 19:34:57 +0000 (19:34 +0000)]
Remove a redundant return.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52585
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Dan Gohman [Sat, 21 Jun 2008 19:26:15 +0000 (19:26 +0000)]
Reorder some fields in SDNode. This avoids padding,
reducings its size from 80 to 72 on 64-bit hosts.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52584
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Dan Gohman [Sat, 21 Jun 2008 19:18:17 +0000 (19:18 +0000)]
Remove ScheduleDAG's SUnitMap altogether. Instead, use SDNode's NodeId
field, which is otherwise unused after instruction selection, as an index
into the SUnit array.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52583
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Dan Gohman [Sat, 21 Jun 2008 18:35:25 +0000 (18:35 +0000)]
Add a priority queue class, which is a wrapper around std::priority_queue
and provides fairly efficient removal of arbitrary elements. Switch
ScheduleDAGRRList from std::set to this new priority queue.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52582
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Duncan Sands [Sat, 21 Jun 2008 17:00:47 +0000 (17:00 +0000)]
Support for load/store of expanded float types. I
don't know if a truncating store is possible here,
but added support for it anyway.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52577
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Dan Gohman [Sat, 21 Jun 2008 15:52:51 +0000 (15:52 +0000)]
Change ScheduleDAG's SUnitMap from DenseMap<SDNode*, vector<SUnit*> >
to DenseMap<SDNode*, SUnit*>, and adjust the way cloned SUnit nodes are
handled so that only the original node needs to be in the map.
This speeds up llc on 447.dealII.llvm.bc by about 2%.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52576
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Evan Cheng [Sat, 21 Jun 2008 07:26:53 +0000 (07:26 +0000)]
Enable PRE.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52574
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Evan Cheng [Sat, 21 Jun 2008 06:45:54 +0000 (06:45 +0000)]
Undo spill weight tweak. Need to investigate the performance regressions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52572
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Dan Gohman [Sat, 21 Jun 2008 01:08:22 +0000 (01:08 +0000)]
Simplify some template parameterization.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52571
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Evan Cheng [Sat, 21 Jun 2008 00:31:44 +0000 (00:31 +0000)]
Back out Matthijs' DAE patches. It's miscompiling gcc driver.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52570
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Ted Kremenek [Fri, 20 Jun 2008 22:19:12 +0000 (22:19 +0000)]
Updated VS build system. Patch provided by Cedric Venet:
http://lists.cs.uiuc.edu/pipermail/llvmdev/2008-June/015446.html
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52564
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Evan Cheng [Fri, 20 Jun 2008 21:45:16 +0000 (21:45 +0000)]
Enhanced heuristic to determine the *best* register to spill. Instead of picking the register with the lowest spill weight. Consider (up to) 2 additional registers with spill weights that are close to the lowest spill weight. The one with fewest defs and uses that conflicts with the current interval (weighted by loop depth) is the spill candidate.
This is not always a win, but there are much more wins than loses and wins tend to be more noticeable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52554
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Chris Lattner [Fri, 20 Jun 2008 20:50:48 +0000 (20:50 +0000)]
integer types are not primitive, they are derived.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52551
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Owen Anderson [Fri, 20 Jun 2008 20:05:57 +0000 (20:05 +0000)]
llvmc doesn't exist anymore, and llvmc2 doesn't have a special license file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52550
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Owen Anderson [Fri, 20 Jun 2008 20:05:17 +0000 (20:05 +0000)]
Remove empty directory.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52549
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Duncan Sands [Fri, 20 Jun 2008 18:40:50 +0000 (18:40 +0000)]
Share some code that is common between integer and
float expansion (and sometimes vector splitting too).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52548
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Duncan Sands [Fri, 20 Jun 2008 18:34:30 +0000 (18:34 +0000)]
Add some methods for querying the nature of a
store, like the methods for loads (and neaten
those up a bit while there).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52547
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Duncan Sands [Fri, 20 Jun 2008 17:49:55 +0000 (17:49 +0000)]
Rename the operation of turning a float type into an
integer of the same type. Before it was "promotion",
but this is confusing because it is quite different
to promotion of integers. Call it "softening" instead,
inspired by "soft float".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52546
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Dan Gohman [Fri, 20 Jun 2008 17:15:19 +0000 (17:15 +0000)]
Clean up some uses of std::distance, now that we have allnodes_size.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52545
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Dan Gohman [Fri, 20 Jun 2008 17:11:32 +0000 (17:11 +0000)]
Clean up a use of std::distance.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52544
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Dan Gohman [Fri, 20 Jun 2008 16:41:17 +0000 (16:41 +0000)]
Tidy up some commments and use the getAggregateOperand and
getInsertedValueOperand accessors. Thanks Matthijs!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52543
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