Commit Graph

23621 Commits

Author SHA1 Message Date
Owen Anderson
6b098dee28 Remember which MachineOperand we were processing, so we don't have to scan the list to find it again later.
This speeds up live intervals from 0.37s to 0.30s on instcombine.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52745 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-25 23:39:39 +00:00
Dan Gohman
48b0b882c7 Fix the text in an assert string.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52744 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-25 22:14:43 +00:00
Evan Cheng
ab26227c8c - Fix a x86 vector isel bug: illegal transformation of a vector_shuffle into a
shift.
- Add a readme entry for a missing vector_shuffle optimization that results in
  awful codegen.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52740 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-25 20:52:59 +00:00
Duncan Sands
041cde26ea Add support for expanding PPC 128 bit floats.
For this it is convenient to permit floats to
be used with EXTRACT_ELEMENT, so I tweaked
things to allow that.  I also added libcalls
for ppcf128 to i32 forms of FP_TO_XINT, since
they exist in libgcc and this case can certainly
occur (and does occur in the testsuite) - before
the i64 libcall was being used.  Also, the
XINT_TO_FP result seemed to be wrong when
the argument is an i128: the wrong fudge
factor was added (the i32 and i64 cases were
handled directly, but the i128 code fell
through to some generic softening code which
seemed to think it was i64 to f32!).  So I
fixed it by adding a fudge factor that I
found in my breakfast cereal.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52739 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-25 20:24:48 +00:00
Chris Lattner
18e0459837 Implement JIT support for global aliases, patch by David Chisnall!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52738 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-25 20:21:35 +00:00
Evan Cheng
890aaa8710 Restore DeadArgElim back to 52570. It's breaking 447.dealII.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52736 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-25 18:10:09 +00:00
Chris Lattner
bc52cada09 Switch the PPC backend and target-independent JIT to use the libsystem
InvalidateInstructionCache method instead of calling through
a hook on the JIT.  This is a host feature, not a target feature.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52734 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-25 17:18:44 +00:00
Chris Lattner
95f39009aa fix compilation errors in my previous patch
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52733 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-25 17:17:53 +00:00
Chris Lattner
93bb4aa0ce Add a new InvalidateInstructionCache method to sys::Memory.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52731 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-25 17:14:10 +00:00
Dan Gohman
44030ce66e SimpleInstructionSelector is here no more.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52725 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-25 16:38:59 +00:00
Duncan Sands
11ac797f5e Add/complete support for integer and float
select_cc and friends.  This code could be
factorized a bit but I'm not sure that it's
worth it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52724 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-25 16:34:21 +00:00
Duncan Sands
b58d211dbb Pacify gcc-4.3.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52723 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-25 16:31:18 +00:00
Dan Gohman
fd4418fc9b Remove the OrigVT member from AtomicSDNode, as it is redundant with
the base SDNode's VTList.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52722 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-25 16:07:49 +00:00
Mon P Wang
2887310630 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52706 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-25 08:15:39 +00:00
Matthijs Kooijman
ea9e516e86 Fix a (false) warning on darwin.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52705 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-25 08:12:16 +00:00
Matthijs Kooijman
177058b4bd Fix some cosmetics in comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52704 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-25 08:10:21 +00:00
Evan Cheng
e5334ea518 - Use O(1) check of basic block size limit.
- Avoid speculatively execute vector ops.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52703 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-25 07:50:12 +00:00
Chris Lattner
aa0bf52625 Fix PR2488, a case where we deleted stack restores too aggressively.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52702 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-25 05:59:28 +00:00
Evan Cheng
601ca4b434 Enable two-address remat by default.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52701 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-25 01:16:38 +00:00
Owen Anderson
e4f6ee590b Use push_back rather than operator[], which is incorrect in this cases. Unfortunately, this slow the testcase down a little bit,
but only marginally.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52700 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-25 01:05:05 +00:00
Dan Gohman
153d28a414 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52693 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-24 22:07:07 +00:00
Dale Johannesen
a68f9013f2 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 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-24 22:01:44 +00:00
Owen Anderson
45e3958941 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 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-24 21:58:29 +00:00
Owen Anderson
873e1b5642 Use SmallVector instead of std::vector for a minor compile time improvement.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52689 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-24 21:44:59 +00:00
Dan Gohman
8dbe7f832e 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 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-24 20:44:42 +00:00
Dan Gohman
2864ce6065 Fix a typo in a comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52687 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-24 18:00:21 +00:00
Dan Gohman
78f39da1e8 Use const_cast instead of a C-style cast.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52684 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-24 17:47:37 +00:00
Matthijs Kooijman
1d9a277761 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 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-24 16:30:26 +00:00
Matthijs Kooijman
4e78908b94 Rename a few variables to be more consistent.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52672 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-24 09:14:10 +00:00
Evan Cheng
9ef4ca2e81 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 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-24 07:10:51 +00:00
Dan Gohman
46e803b3e6 Fix some signed vs. unsigned issues in array and vector handling.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52664 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-24 01:17:52 +00:00
Dan Gohman
2d0d59380a Add a note about a potential PIC optimization.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52663 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-24 00:53:07 +00:00
Dan Gohman
db7991de75 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 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-24 00:50:01 +00:00
Dan Gohman
51cd9d6e07 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 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-23 23:51:16 +00:00
Bill Wendling
ebcba612b5 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 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-23 23:41:14 +00:00
Dan Gohman
aabdded3b4 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 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-23 23:40:09 +00:00
Dan Gohman
cb41e6bf52 Use use_empty() instead of getNumUses(), avoiding a use list traversal.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52651 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-23 23:23:49 +00:00
Owen Anderson
b3db9c90d2 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 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-23 22:12:23 +00:00
Dan Gohman
73b43b9b54 Fix spelling and grammar in a comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52648 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-23 22:11:52 +00:00
Dan Gohman
55e283c71e 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 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-23 21:29:41 +00:00
Evan Cheng
d17e44769f 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 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-23 21:24:32 +00:00
Evan Cheng
2e9f0b1a32 Disable PRE. It's breaking bootstrapping.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52643 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-23 21:22:35 +00:00
Dan Gohman
8cb8245cf1 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 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-23 21:15:00 +00:00
Evan Cheng
99ec779a93 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 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-23 21:03:19 +00:00
Wojciech Matyjewicz
300c6c5167 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 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-23 19:39:50 +00:00
Dan Gohman
180c1691c7 Update the .cvs files.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52637 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-23 18:43:26 +00:00
Dan Gohman
ebb5a971d9 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 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-23 18:40:28 +00:00
Owen Anderson
b70a571c99 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 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-23 17:49:45 +00:00
Chris Lattner
2a6a645709 minor tidying of comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52630 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-23 17:11:23 +00:00
Dan Gohman
2f27e174a9 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 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-23 16:48:17 +00:00