History log of /external/llvm/lib/CodeGen/SlotIndexes.cpp
Revision Date Author Comments (<<< Hide modified files) (Show modified files >>>)
dce4a407a24b04eebc6a376f8e62b41aaa7b071f 29-May-2014 Stephen Hines <srhines@google.com> Update LLVM for 3.5 rebase (r209712).

Change-Id: I149556c940fb7dc92d075273c87ff584f400941f
/external/llvm/lib/CodeGen/SlotIndexes.cpp
36b56886974eae4f9c5ebc96befd3e7bfe5de338 24-Apr-2014 Stephen Hines <srhines@google.com> Update to LLVM 3.5a.

Change-Id: Ifadecab779f128e62e430c2b4f6ddd84953ed617
/external/llvm/lib/CodeGen/SlotIndexes.cpp
79f5ab1931e5abf6e9c304db25e50d592dd8f5b8 23-Feb-2013 Cameron Zwarich <zwarich@apple.com> Make some fixes for LiveInterval repair with debug info. Debug value
MachineInstrs don't have a slot index.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175961 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp
c5b6135fb55362f5c052625043ebf3286f799f86 20-Feb-2013 Cameron Zwarich <zwarich@apple.com> Find anchoring end points for repairIntervalsInRange and repairIndexesInRange
automatically.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175673 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp
349cf349987a65be89078913e34126898bcdd138 20-Feb-2013 Cameron Zwarich <zwarich@apple.com> Add SlotIndexes::repairIndexesInRange(), which repairs SlotIndexes after adding
and removing instructions. The implementation seems more complicated than it
needs to be, but I couldn't find something simpler that dealt with all of the
corner cases.

Also add a call to repairIndexesInRange() from repairIntervalsInRange().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175601 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp
b720be6a50f4e1b3280d2b029ee38dda14577525 12-Sep-2012 Manman Ren <mren@apple.com> Release build: guard dump functions with
"#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)"

No functional change. Update r163339.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163653 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp
77e300e8f0b8db8eec448cae9c87d7c5bfad9757 06-Sep-2012 Manman Ren <mren@apple.com> Release build: guard dump functions with "ifndef NDEBUG"

No functional change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163339 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp
a0b0219a9e13ecd193eee604ab22ffc74b516b02 25-Apr-2012 Jakob Stoklund Olesen <stoklund@2pi.dk> Remove more dead code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155566 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp
613dfb219c167717576b2383ee57573f4d8f53cf 17-Apr-2012 Lang Hames <lhames@gmail.com> SlotIndexes used to store the index list in a crufty custom linked-list. I can't
for the life of me remember why I wrote it this way, but I can't see any good
reason for it now. This patch replaces the custom linked list with an ilist.

This change should preserve the existing numberings exactly, so no generated code
should change (if it does, file a bug!).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154904 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp
1ce6a36610f06a1fb4047ddde1e9bc2f071c0bfb 25-Jan-2012 Jakob Stoklund Olesen <stoklund@2pi.dk> Use the standard MachineFunction::print() after SlotIndexes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148878 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp
2debd48ca790ac01be6e12e094fdf4fdcadc8364 13-Nov-2011 Jakob Stoklund Olesen <stoklund@2pi.dk> Rename SlotIndexes to match how they are used.

The old naming scheme (load/use/def/store) can be traced back to an old
linear scan article, but the names don't match how slots are actually
used.

The load and store slots are not needed after the deferred spill code
insertion framework was deleted.

The use and def slots don't make any sense because we are using
half-open intervals as is customary in C code, but the names suggest
closed intervals. In reality, these slots were used to distinguish
early-clobber defs from normal defs.

The new naming scheme also has 4 slots, but the names match how the
slots are really used. This is a purely mechanical renaming, but some
of the code makes a lot more sense now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144503 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp
a122eaaee22750c4f92c33672e149eb2f0c538cb 02-Apr-2011 Jakob Stoklund Olesen <stoklund@2pi.dk> Use basic block numbers as indexes when mapping slot index ranges.

This is more compact and faster than using DenseMap.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128763 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp
979869c28e5bc68e2d4d546c7019525177f1d399 04-Mar-2011 Jakob Stoklund Olesen <stoklund@2pi.dk> Renumber slot indexes locally when possible.

Initially, slot indexes are quad-spaced. There is room for inserting up to 3
new instructions between the original instructions.

When we run out of indexes between two instructions, renumber locally using
double-spaced indexes. The original quad-spacing means that we catch up quickly,
and we only have to renumber a handful of instructions to get a monotonic
sequence. This is much faster than renumbering the whole function as we did
before.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127023 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp
f0cf2d357cf5540f21400e330028045e65e60835 04-Mar-2011 Jakob Stoklund Olesen <stoklund@2pi.dk> Number SlotIndexes uniformly without looking at the number of defs on each instruction.

You can't really predict how many indexes will be needed from the number of
defs, so let's keep it simple.

Also remove an extra empty index that was inserted after each basic block. It
was intended for live-out ranges, but it was never used that way.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127014 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp
10c5f2dad5e11e2502ebc0b9e9ea56e449f42d16 04-Mar-2011 Jakob Stoklund Olesen <stoklund@2pi.dk> Add SlotIndex statistics.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127007 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp
2c11eb333c37edd5b15c1d05394861fdfc0eab90 03-Mar-2011 Jakob Stoklund Olesen <stoklund@2pi.dk> Renumber slot indexes uniformly instead of spacing according to the number of defs.

There are probably much larger speedups to be had by renumbering locally instead
of looping over the whole function. For now, the greedy register allocator is
25% faster.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126926 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp
f37712f48642bcca04c77083c0579e7fe8d4d916 03-Mar-2011 Jakob Stoklund Olesen <stoklund@2pi.dk> Represent sentinel slot indexes with a null pointer.

This is much faster than using a pointer to a ManagedStatic object accessed with
a function call. The greedy register allocator is 5% faster overall just from
the SlotIndex default constructor savings.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126925 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp
97af98678cc943050cf23951a66c89e922cf21c4 03-Feb-2011 Jakob Stoklund Olesen <stoklund@2pi.dk> Tweak debug output from SlotIndexes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124814 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp
1e8e72d72a71ec3fb6c81bd35a34261f34436900 11-Nov-2010 Jakob Stoklund Olesen <stoklund@2pi.dk> Insert two blank SlotIndexes between basic blocks instead of just one.

This is the first small step towards using closed intervals for liveness instead
of the half-open intervals we're using now.

We want to be able to distinguish between a SlotIndex that represents a variable
being live-out of a basic block, and an index representing a variable live-in to
its successor.

That requires two separate indexes between blocks. One for live-outs and one for
live-ins.

With this change, getMBBEndIdx(MBB).getPrevSlot() becomes stable so it stays
greater than any instructions inserted at the end of MBB.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118747 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp
ce665bd2e2b581ab0858d1afe359192bac96b868 08-Oct-2010 Owen Anderson <resistor@mac.com> Now with fewer extraneous semicolons!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115996 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp
011e5910719265ba5d41e8af2290e55c5eb50526 25-Sep-2010 Jakob Stoklund Olesen <stoklund@2pi.dk> Remove SlotIndex::PHI_BIT. It is no longer used by anything.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114779 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp
1803b37bad85cca19a15c0040979719240f48626 25-Sep-2010 Jakob Stoklund Olesen <stoklund@2pi.dk> Terminator gaps were unused. Might as well delete them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114776 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp
d13db2c59cc94162d6cf0a04187d408bfef6d4a7 22-Jul-2010 Owen Anderson <resistor@mac.com> Fix batch of converting RegisterPass<> to INTIALIZE_PASS().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109045 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp
eec418d26f08e9cf32b8eab03da59d6cd5dd7faa 24-Jun-2010 Jakob Stoklund Olesen <stoklund@2pi.dk> Print the LSBs of a SlotIndex symbolically using letters referring to the
[L]oad, [u]se, [d]ef, or [S]tore slots.

This makes it easier to see if two indices refer to the same instruction,
avoiding mental mod 4 calculations.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106766 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp
f451cb870efcf9e0302d25ed05f4cac6bb494e42 10-Feb-2010 Dan Gohman <gohman@apple.com> Fix "the the" and similar typos.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95781 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp
518bb53485df640d7b7e3f6b0544099020c42aa7 09-Feb-2010 Chris Lattner <sabre@nondot.org> move target-independent opcodes out of TargetInstrInfo
into TargetOpcodes.h. #include the new TargetOpcodes.h
into MachineInstr. Add new inline accessors (like isPHI())
to MachineInstr, and start using them throughout the
codebase.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95687 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp
1caedd056dbc3eda1537ad8251323bd985819b80 22-Jan-2010 Dale Johannesen <dalej@apple.com> Ignore DEBUG_VALUE when building live intervals;
this makes the code work transparently the same
whether they're there or not.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94240 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp
87b0efc86dcc1dac30fcd6b4d1c51110f707a28c 05-Jan-2010 David Greene <greened@obbligato.org> Change errs() to dbgs().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92589 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp
74ab5eeffbd70f2387338e3ee8195be9f73e6dd8 22-Dec-2009 Lang Hames <lhames@gmail.com> Changed slot index ranges for MachineBasicBlocks to be exclusive of endpoint.
This fixes an in-place update bug where code inserted at the end of basic blocks may not be covered by existing intervals which were live across the entire block. It is also consistent with the way ranges are specified for live intervals.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91859 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp
b3661585c0f87b6045f0d65b5cac16921ae27086 14-Nov-2009 Lang Hames <lhames@gmail.com> Added an API to the SlotIndexes pass to allow new instructions to be inserted into the numbering.

PreAllocSplitting is now using this API to insert code.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88725 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp
81cf4325698b48b02eddab921ac333c7f25005c3 10-Nov-2009 Jeffrey Yasskin <jyasskin@google.com> Fix DenseMap iterator constness.

This patch forbids implicit conversion of DenseMap::const_iterator to
DenseMap::iterator which was possible because DenseMapIterator inherited
(publicly) from DenseMapConstIterator. Conversion the other way around is now
allowed as one may expect.

The template DenseMapConstIterator is removed and the template parameter
IsConst which specifies whether the iterator is constant is added to
DenseMapIterator.

Actually IsConst parameter is not necessary since the constness can be
determined from KeyT but this is not relevant to the fix and can be addressed
later.

Patch by Victor Zverovich!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86636 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp
16dcaf59960d699735a57b1623092d561c18a165 08-Nov-2009 Lang Hames <lhames@gmail.com> Moved some ManagedStatics out of the SlotIndexes header.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86446 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp
d6ef7fac1a020c58ec61cad2325e5f6afd0bbee6 07-Nov-2009 Lang Hames <lhames@gmail.com> Update some globals to use ManagedStatic.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86342 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp
fbb8fa247ec13067d9ad3f0c426e2029d15222b2 05-Nov-2009 Lang Hames <lhames@gmail.com> Added support for renumbering existing index list elements. Removed some junk from the initial numbering code in runOnMachineFunction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86184 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp
0368e500eb7f5f03313e1a7af5b8fa48465c0560 04-Nov-2009 Lang Hames <lhames@gmail.com> Handle empty/tombstone keys for LiveIndex more cleanly. Check for index sanity when constructing index list entries.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86049 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp
233a60ec40b41027ff429e2f2c27fa2be762f2e9 04-Nov-2009 Lang Hames <lhames@gmail.com> The Indexes Patch.

This introduces a new pass, SlotIndexes, which is responsible for numbering
instructions for register allocation (and other clients). SlotIndexes numbering
is designed to match the existing scheme, so this patch should not cause any
changes in the generated code.

For consistency, and to avoid naming confusion, LiveIndex has been renamed
SlotIndex.

The processImplicitDefs method of the LiveIntervals analysis has been moved
into its own pass so that it can be run prior to SlotIndexes. This was
necessary to match the existing numbering scheme.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85979 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/CodeGen/SlotIndexes.cpp