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4879 Commits

Author SHA1 Message Date
Chris Lattner
c984af2771 Prune some #includes 
Add a statistic for # reloads

llvm-svn: 10518
 2003-12-18 20:25:31 +00:00
John Criswell
3304c39869 Reverted back to previous revision - this was previously merged 
according to the CVS log messages.

llvm-svn: 10517
 2003-12-18 17:19:19 +00:00
John Criswell
0659bb0c4a Merged in RELEASE_11. 
llvm-svn: 10516
 2003-12-18 16:43:17 +00:00
Alkis Evlogimenos
f6e9dd4942 Modify linear scan register allocator to use the two-address 
instruction pass. This also fixes all remaining bugs for this new
allocator to pass all tests under test/Programs.

llvm-svn: 10515
 2003-12-18 13:15:02 +00:00
Alkis Evlogimenos
9bb0ad1a37 Fix bug in reserved registers. DH actually aliases DX and EDX which 
are not reserved registers.

llvm-svn: 10514
 2003-12-18 13:12:18 +00:00
Alkis Evlogimenos
48d20cb328 Modify local register allocator to use the two-address instruction pass. 
llvm-svn: 10513
 2003-12-18 13:08:52 +00:00
Alkis Evlogimenos
90aeecae42 Add TwoAddressInstructionPass to handle instructions that have two or 
more operands and the two first operands are constrained to be the
same. The pass takes an instruction of the form:

        a = b op c

and transforms it into:

        a = b
        a = a op c

and also preserves live variables.

llvm-svn: 10512
 2003-12-18 13:06:04 +00:00
Alkis Evlogimenos
befef566f6 Rename LiveIntervals::expired() to LiveIntervals::expiredAt(). 
llvm-svn: 10511
 2003-12-18 08:56:11 +00:00
Alkis Evlogimenos
382bfbffeb When a variable is killed and redifined in a basic block only one 
killing instruction is tracked. This causes the LiveIntervals to
create bogus intervals. The workaound is to add a range to the
interval from the redefinition to the end of the basic block.

llvm-svn: 10510
 2003-12-18 08:53:43 +00:00
Alkis Evlogimenos
8e2fcc7d79 Handle multiple virtual register definitions gracefully. 
Move some of the longer LiveIntervals::Interval method out of the
header and add debug information to them. Fix bug and simplify range
merging code.

llvm-svn: 10509
 2003-12-18 08:48:48 +00:00
Chris Lattner
17122cbe7b When we delete instructions from the loop, make sure to remove them from the 
AliasSetTracker as well.

llvm-svn: 10507
 2003-12-18 08:12:32 +00:00
Chris Lattner
457dd0b6c7 Add a new AliassetTracker::remove method. Because we need to be able to remove 
a pointer from an AliasSet, maintain the pointer values on a doubly linked
list instead of a singly linked list, to permit efficient removal from the
middle of the list.

llvm-svn: 10506
 2003-12-18 08:11:56 +00:00
Misha Brukman
adac37e69b * Converted C-style comments to C++ 
* Doxygenified comments
* Reordered #includes

llvm-svn: 10503
 2003-12-17 22:08:20 +00:00
Misha Brukman
61860852dc Reordered #includes. 
llvm-svn: 10502
 2003-12-17 22:06:28 +00:00
Misha Brukman
9f2f87bb6b Doxygenified some comments, reduced extraneous space. 
llvm-svn: 10501
 2003-12-17 22:06:08 +00:00
Misha Brukman
fe533cc4e6 Reorganized the Sparc backend to be more modular -- each different 
implementation of a Target{RegInfo, InstrInfo, Machine, etc} now has a separate
header and a separate implementation file.

This means that instead of a massive SparcInternals.h that forces a
recompilation of the whole target whenever a minor detail is changed, you should
only recompile a few files.

Note that SparcInternals.h is still around; its contents should be minimized.

llvm-svn: 10500
 2003-12-17 22:04:00 +00:00
Brian Gaeke
81d68517ea Make getObjectType() smarter about ranlibbed Mac OS X archives. 
llvm-svn: 10493
 2003-12-17 00:18:18 +00:00
Chris Lattner
062d3a4ab5 Fix for PR185 & IndVarsSimplify/2003-12-15-Crash.llx 
llvm-svn: 10473
 2003-12-15 17:34:02 +00:00
Alkis Evlogimenos
657eb40294 Change preserve all claim to just preserve live variables and phielimination. 
llvm-svn: 10469
 2003-12-15 04:55:38 +00:00
Chris Lattner
5fc36a496f Refactor code just a little bit, allowing us to implement TailCallElim/return_constant.ll 
llvm-svn: 10467
 2003-12-14 23:57:39 +00:00
Chris Lattner
9047cde657 Finegrainify namespacification 
llvm-svn: 10465
 2003-12-14 23:25:48 +00:00
Chris Lattner
2fdf5e32aa Finegrainify namespacification 
llvm-svn: 10464
 2003-12-14 21:35:53 +00:00
Chris Lattner
30ae898eb7 Finegrainify namespacification 
Make the Timer code give correct user/system/user+system times when -track-memory is enabled

llvm-svn: 10463
 2003-12-14 21:27:33 +00:00
Alkis Evlogimenos
29127b8825 Change interface of MachineOperand as follows: 
a) remove opIsUse(), opIsDefOnly(), opIsDefAndUse()
    b) add isUse(), isDef()
    c) rename opHiBits32() to isHiBits32(),
              opLoBits32() to isLoBits32(),
              opHiBits64() to isHiBits64(),
              opLoBits64() to isLoBits64().

This results to much more readable code, for example compare
"op.opIsDef() || op.opIsDefAndUse()" to "op.isDef()" a pattern used
very often in the code.

llvm-svn: 10461
 2003-12-14 13:24:17 +00:00
Alkis Evlogimenos
b96436e679 Change preserve all claim to just preserve live variables and phielimination. 
llvm-svn: 10460
 2003-12-14 10:14:23 +00:00
Chris Lattner
0d3a8b1cb4 Do not promote volatile alias sets into registers 
llvm-svn: 10458
 2003-12-14 04:52:31 +00:00
Chris Lattner
a9d238d598 Finegrainify namespacification 
Add capability to represent volatile AliasSet's
Propagate this information from loads&stores into the aliassets

llvm-svn: 10457
 2003-12-14 04:52:11 +00:00
Alkis Evlogimenos
d58f58b351 When reserving a preallocated register spill the aliases of this 
register too.

llvm-svn: 10450
 2003-12-13 11:58:10 +00:00
Alkis Evlogimenos
f84f86137b Ignore non-allocatable physical registers in live interval analysis. 
llvm-svn: 10449
 2003-12-13 11:11:02 +00:00
Alkis Evlogimenos
18bf6b5ad7 Expire any active intervals left when register allocation is done. 
llvm-svn: 10448
 2003-12-13 05:50:19 +00:00
Alkis Evlogimenos
225fc9c6db Add instruction numbers to debugging output. 
llvm-svn: 10447
 2003-12-13 05:48:57 +00:00
Alkis Evlogimenos
5ca15c8f5e Add a floating point killer pass. This pass runs before register 
allocaton on the X86 to add information to the machine code denoting
that our floating point stackifier cannot handle virtual point
register that are alive across basic blocks. This pass adds an
implicit def of all virtual floating point register at the end of each
basic block.

llvm-svn: 10446
 2003-12-13 05:36:22 +00:00
Alkis Evlogimenos
2a41fcbef3 Handle explicit physical register defs. 
llvm-svn: 10445
 2003-12-13 05:26:39 +00:00
Alkis Evlogimenos
6e511754e5 Remove unecessary if statements when looping on ImplicitDefs. 
llvm-svn: 10444
 2003-12-13 01:20:58 +00:00
John Criswell
93c209e4ac Modified cast so that it converts the int to a long before casting to 
a pointer.  This evades a warning emitted by GCC when we cast from
unsigned int (32 bit) to void * (64 bit) on SparcV9.

llvm-svn: 10435
 2003-12-12 19:57:48 +00:00
Brian Gaeke
84101bcdb8 Dynamically get the right-sized member of a GenericValue to hold a size_t, and 
use it to return the result of strlen.

llvm-svn: 10433
 2003-12-12 15:38:06 +00:00
Chris Lattner
f58e098889 Implement the ExecutionEngine::getPointerToFunctionOrStub by forwarding the 
request on to the TargetMachine if it supports the getJITStubForFunction method

llvm-svn: 10431
 2003-12-12 07:12:02 +00:00
Chris Lattner
b750a0cf3a Implement the TargetMachine::getJITStubForFunction method for X86, finegrainify 
namespacification.

llvm-svn: 10430
 2003-12-12 07:11:18 +00:00
Brian Gaeke
fb0c4c3d39 Since we are using a gep_type_iterator, we apparently must get the type 
index by using I.getOperand() here. This was failing an assertion on
basically every struct access.

llvm-svn: 10426
 2003-12-12 05:13:05 +00:00
Brian Gaeke
94157211b6 Throw better error messages, by calling strerror(errno) when we 
get an error inside the bytecode reader.

llvm-svn: 10415
 2003-12-12 00:47:44 +00:00
Chris Lattner
f9c24d19cf Factor out some duplicated code, implement the rest of the cases in 
BasicAA/2003-12-11-ConstExprGEP.ll

llvm-svn: 10412
 2003-12-11 23:20:16 +00:00
Chris Lattner
2185bd56cc Fix PR86. This makes basicaa _SIGNIFICANLY_ more aggressive with getelementptr's 
llvm-svn: 10410
 2003-12-11 22:44:13 +00:00
Chris Lattner
1f7737b44f Fix LICM/2003-12-11-SinkingToPHI.ll, and quite possibly all of the other known problems in the universe. 
llvm-svn: 10409
 2003-12-11 22:23:32 +00:00
Chris Lattner
89c05af2e2 Finegrainify namespacification 
Add new -print-cfg-only pass

llvm-svn: 10407
 2003-12-11 21:48:18 +00:00
Chris Lattner
bba48ffc66 verifyFunction depends on dominator info, which levelraise does not declare 
that it needs.  This is pretty scary code!  This fixes

Regression.Transforms.LevelRaise.2002-07-16-SourceAndDestCrash
Regression.Transforms.LevelRaise.2002-07-31-AssertionFailure

llvm-svn: 10406
 2003-12-11 21:47:37 +00:00
Chris Lattner
a1ddf56288 Fix a glaring bug 
llvm-svn: 10400
 2003-12-11 06:06:28 +00:00
Chris Lattner
3245f523d9 Realize the gep P, <zeros> must aliases P. 
This is a partial fix for PR 86

llvm-svn: 10399
 2003-12-11 06:02:00 +00:00
Chris Lattner
99253d6580 With Brian's change to AA.h we can now clean out this uglyness 
llvm-svn: 10398
 2003-12-11 05:44:59 +00:00
Brian Gaeke
9b3f9806a2 IncludeFile hack to pull in BasicValueNumbering whenever ValueNumbering.h 
is included.

llvm-svn: 10397
 2003-12-11 05:05:56 +00:00
Brian Gaeke
e962a55ac5 In getObjectType(), doxygenify comment, and take a pointer to the 
beginning of the archive member data as an argument.

Get rid of ParseLongFilenameSection(), which is dead.

In ReadArchiveBuffer(), implement support for 4.4BSD/MacOSX long filenames.
This is kind of invasive, because they prepend the long filename to the archive
member data, and then lie about the size. So we have to keep track of the real
size.

llvm-svn: 10392
 2003-12-11 00:38:04 +00:00