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0c80389498
Commit Graph

2011 Commits

Author SHA1 Message Date
Brian Gaeke
0c80389498 Regenerated using autoheader-2.57. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11657 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-20 06:40:58 +00:00
Alkis Evlogimenos
39a0d5c112 Too many changes in one commit: 
1. LiveIntervals now implement a 4 slot per instruction model. Load,
   Use, Def and a Store slot. This is required in order to correctly
   represent caller saved register clobbering on function calls,
   register reuse in the same instruction (def resues last use) and
   also spill code added later by the allocator. The previous
   representation (2 slots per instruction) was insufficient and as a
   result was causing subtle bugs.

2. Fixes in spill code generation. This was the major cause of
   failures in the test suite.

3. Linear scan now has core support for folding memory operands. This
   is untested and not enabled (the live interval update function does
   not attempt to fold loads/stores in instructions).

4. Lots of improvements in the debugging output of both live intervals
   and linear scan. Give it a try... it is beautiful :-)

In summary the above fixes all the issues with the recent reserved
register elimination changes and get the allocator very close to the
next big step: folding memory operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11654 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-20 06:15:40 +00:00
Chris Lattner
bbdfe40ba7 Add a method useful for updating DSA 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11636 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-19 21:27:50 +00:00
Chris Lattner
9717ee9e6c Add a new function 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11630 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-19 20:03:08 +00:00
Chris Lattner
da8ab2ea45 ADd a method for when an instruction moves 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11626 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-19 18:28:22 +00:00
Chris Lattner
5e61fa9519 Add a MachineBasicBlock::getParent() method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11622 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-19 16:13:54 +00:00
Alkis Evlogimenos
1d29a6d6c7 Make ToolExecutionError inherit std::exception and implement its 
interface: getMessage() is gone, use what() instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11621 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-19 07:39:26 +00:00
Alkis Evlogimenos
04319bb2bd This is needed by assignment verification in linear-scan. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11618 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-19 01:10:55 +00:00
Chris Lattner
f03715c6a8 Add support for just compiling a program 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11610 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-18 23:24:29 +00:00
Alkis Evlogimenos
52f8f56ef4 Move unused typedefs in private section. Add method to return interval 
given a register.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11608 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-18 23:14:52 +00:00
Chris Lattner
c8580b2aee Byebye method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11598 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-18 20:38:12 +00:00
Chris Lattner
8c56be5e2b When an error occurs executing a tool, we now throw an exception instead 
of calling exit(1).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11593 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-18 20:21:57 +00:00
Chris Lattner
f5c8146a7c Change the order of the arguments to the ctor, allowing us to make the boolean default to true 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11592 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-18 20:20:52 +00:00
Chris Lattner
f1e3285f3a Move a helper class out of bugpoint to here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11582 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-18 17:16:17 +00:00
Chris Lattner
9b2c31c5cb eliminate a pair of really inefficient methods now that noone uses them 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11579 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-18 16:45:22 +00:00
Chris Lattner
df2cf418a8 The CBE is no longer in llvm-dis 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11532 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 06:39:48 +00:00
Chris Lattner
8026a6982e Simplify and document the new interface 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11524 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 05:54:26 +00:00
Alkis Evlogimenos
7093d37304 Add LiveIntervals::Interval::empty() member function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11520 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 05:14:37 +00:00
Alkis Evlogimenos
b499866c05 Add API to check and fold memory operands into instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11519 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 04:33:18 +00:00
Chris Lattner
fcdb2c2a7f Add two missing pieces from last checkin 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11513 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 03:03:36 +00:00
Chris Lattner
3e3bcbd222 Rearrange code to eliminate warnings 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11512 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-17 02:58:36 +00:00
Alkis Evlogimenos
aad5c05051 Add LeakDetection to MachineInstr. 
Move out of line member functions of MachineBasicBlock to
MachineBasicBlock.cpp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11497 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-16 07:17:43 +00:00
Alkis Evlogimenos
843b160a20 Eliminate the use of spill (reserved) registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11476 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-15 10:24:21 +00:00
Chris Lattner
40bbeb5d07 Add a new ConstantAggregateZero class, to fix PR239. This makes zero 
initializers for constant structs and arrays take constant space, instead of
space proportinal to the number of elements.  This reduces the memory usage of
the LLVM compiler by hundreds of megabytes when compiling some nasty SPEC95
benchmarks.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11470 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-15 05:53:04 +00:00
Chris Lattner
46ccf6d382 finegrainify namespacification 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11469 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-15 05:52:36 +00:00
Chris Lattner
ca705fa31d ConstantArray::get and ConstantStruct::get now just return pointers to 
'Constant', instead of specific subclass pointers.  In the future, these will
return an instance of ConstantAggregateZero if all of the inputs are zeros.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11467 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-15 04:14:47 +00:00
Chris Lattner
8604e75721 The prologue/epilogue related method calls have no reason to return a value, 
make them return void.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11447 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-14 19:49:05 +00:00
Chris Lattner
cf89908381 Add llvm.memset/frameaddress/returnaddress intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11431 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-14 02:47:17 +00:00
Alkis Evlogimenos
bc79471be1 Add next() and prior() iterator utility functions. Unlike std::advance 
they do not modify the passed iterator but return a copy.

next(myIt) returns copy of myIt incremented once
next(myIt, n) returns copy of myIt incremented n times
prior(myIt) returns copy of myIt decremented once
prior(myIt, n) returns copy of myIt decremented n times

While at it remove obsolete implementation of mapped_iterator.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11429 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-14 01:17:28 +00:00
Chris Lattner
d11e647257 Add method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11425 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-14 00:30:31 +00:00
Chris Lattner
8ff9a8639a Make sure to provide a prototype for the cbackend 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11419 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-13 23:36:03 +00:00
Chris Lattner
8e3eb5542b The cbackend has never had anything to do with llvm assembly writing 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11411 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-13 23:19:51 +00:00
Chris Lattner
208d638fa4 Change access to the cwriter 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11406 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-13 23:00:45 +00:00
Alkis Evlogimenos
be766c7246 Remove getAllocatedRegNum(). Use getReg() instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11393 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-13 21:01:20 +00:00
Alkis Evlogimenos
903b22cd51 Mark MachineBasicBlock::operator[] deprecated. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11392 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-13 20:05:56 +00:00
Alkis Evlogimenos
87af94b291 Add getNumVirtualRegs(). 
Whitespace cleanups.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11388 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-13 18:07:06 +00:00
Misha Brukman
a92666decd Fix spelling of `tendency'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11378 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-13 16:23:14 +00:00
Chris Lattner
fdd13f6afe Expose a pass ID for lower-invoke 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11377 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-13 16:16:35 +00:00
Brian Gaeke
a0031cc08c Update the example here in the header file. 
I don't know about you guys, but I rarely read the .html manuals :-)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11366 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-13 04:49:04 +00:00
Brian Gaeke
f13a3f4dd1 Include <iosfwd>. 
Add prototypes for MachineBasicBlock's dump() and print() methods.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11365 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-13 04:40:15 +00:00
Alkis Evlogimenos
94dc07728f Move ilist_trairs<MachineInstr> in MachineBasicBlock. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11358 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-12 19:12:03 +00:00
Alkis Evlogimenos
ab8672c8bb Add parent pointer to MachineInstr that points to owning 
MachineBasicBlock. Also change opcode to a short and numImplicitRefs
to an unsigned char so that overall MachineInstr's size stays the
same.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11357 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-12 18:49:07 +00:00
Chris Lattner
0eb51b440c Add support for the llvm.memmove intrinsic. 
Patch graciously contributed by Reid Spencer!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11354 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-12 18:10:10 +00:00
Chris Lattner
5ab827ff4a Urg, check in header I forgot. :( 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11353 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-12 17:57:11 +00:00
Chris Lattner
2a90ba6017 Rename the opCode instance variable to Opcode 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11348 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-12 16:09:53 +00:00
Chris Lattner
9fc77d1358 Remove a dead field from MachineInstr! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11347 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-12 16:05:03 +00:00
Alkis Evlogimenos
024126ee23 Change interface so that we can add to the end of a basic block 
without getting an assertion from ilist that we are dereferencing
ilist<T>::end().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11345 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-12 08:11:04 +00:00
Brian Gaeke
0eda78a372 Add one more doxygen comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11344 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-12 04:26:49 +00:00
Brian Gaeke
56aa531f93 Express one of MachineOperand's many constructors in terms of another, by means of default arguments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11343 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-12 04:15:00 +00:00
Brian Gaeke
2d58f0691e Remove these MachineOpCodeFlags and their accessor - they are never set. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11341 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-12 04:00:55 +00:00