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f58e098889
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4843 Commits

Author SHA1 Message Date
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
Brian Gaeke
89478047a8 Turn off "attribute weak" to pacify Mac OS X's system compiler, which prints a 
warning whenever it sees it.

llvm-svn: 10391
 2003-12-11 00:24:36 +00:00
Brian Gaeke
7fe399f169 Fix typo in comment. Add prototype for getConstantExprValue(). 
llvm-svn: 10390
 2003-12-11 00:23:28 +00:00
Brian Gaeke
e7599245cb Add support for --debug-only=interpreter, to print out instrs before 
interpreting them.

Move support for getting the value of a ConstantExpr into
getConstantExprValue(), and add support for the rest of the different
kinds of ConstantExprs.  (I don't think I like ConstantExprs!)
This requires separate procedures executeShlInst() and executeShrInst().

Reduce the number of references to TheEE.

Get rid of an old comment mentioning annotations.

Fix exitCalled(), which was crashing the Interpreter. This was a
leftover from the return-value code refactoring.

llvm-svn: 10389
 2003-12-11 00:22:59 +00:00
John Criswell
ea48d9cd13 This appears to fix Bug 172 and does not break any other feature tests or 
regression tests.

llvm-svn: 10388
 2003-12-10 22:51:41 +00:00
Chris Lattner
6eae2a120e Fix bug: LICM/sink_multiple_exits.ll 
Thanks for pointing this out John  :)

llvm-svn: 10387
 2003-12-10 22:35:56 +00:00
Chris Lattner
9b1a0ca03b Don't allow dead instructions to stop sinking early. 
llvm-svn: 10386
 2003-12-10 20:43:29 +00:00
Chris Lattner
677f1ebb07 Fix bug: IndVarsSimplify/2003-12-10-RemoveInstrCrash.llx 
llvm-svn: 10385
 2003-12-10 20:43:04 +00:00
Chris Lattner
0b72993a49 Finegrainify namespacification 
Fix bug: LowerInvoke/2003-12-10-Crash.llx

llvm-svn: 10382
 2003-12-10 20:22:42 +00:00
John Criswell
8ddd42c6c1 Upon Chris's suggestion, moved the #ifdef's to the generated C code. 
This makes LLVM and the generated C code more portable.

llvm-svn: 10377
 2003-12-10 18:17:57 +00:00
Chris Lattner
2c641008e6 Finegrainify namespacification 
Reorder #includes
Implement: IndVarsSimplify/2003-12-10-IndVarDeadCode.ll

llvm-svn: 10376
 2003-12-10 18:06:47 +00:00
John Criswell
c299416f67 Fixed the CBE on Solaris/Sparc. We need to define the return value of 
the write() system call because it returns 64 bits on Solaris 64 bit,
and an implicit return value of int says it returns 32 bits.
Admittedly, this is a bit of a hack.

llvm-svn: 10375
 2003-12-10 18:06:34 +00:00
Chris Lattner
8c7f69563e Finegrainify namespacification 
Fix bug: LoopSimplify/2003-12-10-ExitBlocksProblem.ll

llvm-svn: 10373
 2003-12-10 17:20:35 +00:00
Chris Lattner
d6d41b5e23 Simplify code 
llvm-svn: 10371
 2003-12-10 16:58:24 +00:00
Chris Lattner
7eff699231 Avoid performing two identical lookups when one will suffice 
llvm-svn: 10370
 2003-12-10 16:57:24 +00:00
Chris Lattner
94944ee4aa Make LICM itself a bit more efficient, and make the generated code more efficient too: don't insert a store in every exit block, because a particular block may be exited to more than once by a loop 
llvm-svn: 10369
 2003-12-10 15:56:24 +00:00
Chris Lattner
035bd2ae32 Finegrainify namespacification 
llvm-svn: 10367
 2003-12-10 15:34:03 +00:00
Chris Lattner
090dd39b2c Finegrainify namespacification 
Provide a context module to WriteAsOperand

llvm-svn: 10366
 2003-12-10 15:33:59 +00:00
Chris Lattner
fe8fd04cce Implement instruction sinking out of loops. This still can do a little bit 
better job, but this is the majority of the work.  This implements
LICM/sink*.ll

llvm-svn: 10358
 2003-12-10 06:41:05 +00:00
Chris Lattner
c49a27b2b6 Do not insert one entry PHI nodes in split exit blocks! 
llvm-svn: 10348
 2003-12-09 23:12:55 +00:00
Chris Lattner
f5f65c4000 Refactor code a little bit, eliminating the gratuitous InstVisitor, which 
should make subsequent changes simpler.  This also allows us to hoist vaarg
and vanext instructions

llvm-svn: 10342
 2003-12-09 19:32:44 +00:00
Chris Lattner
2ffca818b6 Fine grainify namespacification 
Code cleanups
Make LICM::SafeToHoist marginally more efficient

llvm-svn: 10341
 2003-12-09 17:18:00 +00:00
Chris Lattner
a62c29757d Implement: TailCallElim/accum_recursion_constant_arg.ll 
Also make sure to clean up any PHI nodes that are inserted which are pointless.

llvm-svn: 10333
 2003-12-08 23:37:35 +00:00
Chris Lattner
647b7d8869 Implement: test/Regression/Transforms/TailCallElim/accum_recursion.ll 
We now insert accumulator variables as necessary to eliminate tail recursion
more aggressively.  This is still fairly limited, but allows us to transform
fib/factorial, and other functions into nice happy loops.  :)

llvm-svn: 10332
 2003-12-08 23:19:26 +00:00
Chris Lattner
369445aaa6 implement method 
llvm-svn: 10321
 2003-12-08 08:23:04 +00:00
Chris Lattner
23328c5f69 Use the new method, though noone currently implements it any better than before 
llvm-svn: 10320
 2003-12-08 08:22:48 +00:00
Chris Lattner
ebd5b871e4 Finegrainify namespacification 
llvm-svn: 10318
 2003-12-08 08:06:28 +00:00
Chris Lattner
be2b3fb417 Cleanup and restructure the code to make it easier to read and maintain. 
The only functionality change is that we now implement:
  Regression/Transforms/TailCallElim/intervening-inst.ll

Which is really kinda pointless, because it means that trivially dead code
does not interfere with -tce, but trivially dead code probably wouldn't be
around anytime when this pass is run anyway.

The point of including this change it to support other more aggressive
transformations when we have the analysis capabilities to do so.

llvm-svn: 10312
 2003-12-08 05:34:54 +00:00
Chris Lattner
0dbb3822a4 Implement RaiseAllocations/FreeCastConstantExpr.ll 
llvm-svn: 10305
 2003-12-07 01:42:08 +00:00
Chris Lattner
60dae0e7d9 * Finegrainify namespacification 
* Transform: free <ty>* (cast <ty2>* X to <ty>*) into free <ty2>* X

llvm-svn: 10303
 2003-12-07 01:24:23 +00:00
Chris Lattner
d4abe8d28a The recalclulate method was a nasty hack that was once used by the -cee pass, 
which never worked itself.  The cee pass still doesn't work, but it doesn't use
this method anymore anyway, so eliminate the method.

llvm-svn: 10302
 2003-12-07 00:55:32 +00:00
Chris Lattner
9eeb35760f Completely rewrite domset, idom, and domtree implementation. Now it is based 
on the algorithm for directly computing immediate dominators presented in this
paper:

  A Fast Algorithm for Finding Dominators in a Flowgraph
  T. Lengauer & R. Tarjan, ACM TOPLAS July 1979, pgs 121-141.

This _substantially_ speeds up construction of all dominator related information.
Post-dominators to follow.

llvm-svn: 10301
 2003-12-07 00:38:08 +00:00
Chris Lattner
5f0dc73b86 Finegrainify namespacification 
Move method out of generic dominators construction code

llvm-svn: 10299
 2003-12-07 00:35:42 +00:00
Alkis Evlogimenos
f3373f7bc9 Make assertion stricter. Since the source operands are allocated at 
this point, the second operand must be a physical register (it cannot
be a virtual one).

llvm-svn: 10292
 2003-12-05 11:31:39 +00:00
Alkis Evlogimenos
711ebbdd57 Fix bug in register spilling when a preallocated live range overlaps a 
potential register assignment.

llvm-svn: 10291
 2003-12-05 11:17:55 +00:00
Alkis Evlogimenos
229c2b9181 Move operator<<(std::ostream&, const LiveInterval&) out of the header file. 
llvm-svn: 10290
 2003-12-05 10:38:28 +00:00
Alkis Evlogimenos
52ec591c66 Sort live intervals by increasing start point. 
llvm-svn: 10289
 2003-12-05 10:32:01 +00:00