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1099 Commits

Author SHA1 Message Date
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
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
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
0d57e06a37 Finegrainify namespacification 
Fix regressions ScalarRepl/basictest.ll & arraytest.ll

llvm-svn: 10287
 2003-12-02 17:43:55 +00:00
Chris Lattner
a29f6743a1 Fix test: Transforms/LevelRaise/2003-11-28-IllegalTypeConversion.ll 
Some gep generalization changes

llvm-svn: 10252
 2003-11-29 05:31:25 +00:00
Chris Lattner
7b895914a2 Do not use index type to determine what it is indexing into! 
llvm-svn: 10226
 2003-11-25 21:09:18 +00:00
Chris Lattner
7d794a8431 Delete dead line 
llvm-svn: 10164
 2003-11-22 02:26:17 +00:00
Chris Lattner
87e444b65b Fix bug: Transforms/PruneEH/2003-11-21-PHIUpdate.llx 
llvm-svn: 10163
 2003-11-22 02:20:36 +00:00
Chris Lattner
a88e567e00 Do not crash when deleing a region with a dead invoke instruction 
llvm-svn: 10161
 2003-11-22 02:13:08 +00:00
Chris Lattner
3b71386e30 Finegrainify namespacification 
The module stripping pass should not strip symbols on external globals

llvm-svn: 10157
 2003-11-22 01:29:35 +00:00
Chris Lattner
c837881d43 Considering that CI is not even IN SCOPE here, I wooda thought the compiler 
would have caught this.  *sigh*

llvm-svn: 10142
 2003-11-21 21:57:29 +00:00
Chris Lattner
9ae9c45d43 Finegrainify namespacification 
llvm-svn: 10138
 2003-11-21 21:54:22 +00:00
Chris Lattner
ebbe1376b3 Get rid of using decls, finegrainify namespacification 
llvm-svn: 10137
 2003-11-21 21:52:10 +00:00
Chris Lattner
5f38817de9 * Finegrainify namespacification 
* Make the cost metric for passing constants in as arguments to functions MUCH
  more accurate, by actually estimating the amount of code that will be constant
  propagated away.

llvm-svn: 10136
 2003-11-21 21:46:09 +00:00
Chris Lattner
4a92f545ba Finegrainify namespacification 
Print out the costs for functions that AREN'T inlined as well

llvm-svn: 10135
 2003-11-21 21:45:31 +00:00
Chris Lattner
2b7309dd1c Minor cleanups and simplifications 
llvm-svn: 10127
 2003-11-21 16:52:05 +00:00
Chris Lattner
01ab0d2d7b * Finegrainify namespacification 
* Implement FuncResolve/2003-11-20-BogusResolveWarning.ll
   ... which eliminates a large number of annoying warnings.  I know misha
   will miss them though!

llvm-svn: 10123
 2003-11-20 21:21:31 +00:00
Chris Lattner
feeb3261f2 Start using the nicer terminator auto-insertion API 
llvm-svn: 10111
 2003-11-20 18:25:24 +00:00
Chris Lattner
071bf19ef5 Spew symbolic types! 
llvm-svn: 10110
 2003-11-20 18:23:14 +00:00
Chris Lattner
0128ea6e23 When spewing out warnings during function resolution, do not vomit out pages 
and pages of non-symbolic types.

llvm-svn: 10109
 2003-11-20 18:19:35 +00:00
Misha Brukman
4eedd560a6 This file was somehow missing a top-level comment line. 
llvm-svn: 10055
 2003-11-17 19:35:17 +00:00
Chris Lattner
04d122be8f Fix PR116 
llvm-svn: 10032
 2003-11-16 21:39:27 +00:00
Chris Lattner
fe4e3f7108 Implement feature: InstCombine/2003-11-13-ConstExprCastCall.ll 
llvm-svn: 9981
 2003-11-13 19:17:02 +00:00
Brian Gaeke
d25f86d683 Put all LLVM code into the llvm namespace, as per bug 109. 
llvm-svn: 9903
 2003-11-11 22:41:34 +00:00
Chris Lattner
7dd63c59d1 Reorganize code for locality, improve comments 
llvm-svn: 9857
 2003-11-10 04:42:42 +00:00
Chris Lattner
e0d83d79e4 Adjust to new critical edge interface 
llvm-svn: 9853
 2003-11-10 04:10:50 +00:00
Chris Lattner
953f23925f Do NOT inline self recursive calls into other functions. This is causing the 
pool allocator no end of trouble, and doesn't make a lot of sense anyway.  This
does not solve the problem with mutually recursive functions, but they are much less common.

llvm-svn: 9828
 2003-11-09 05:05:36 +00:00
Chris Lattner
a1040ce57e Untypo 
llvm-svn: 9827
 2003-11-09 05:04:25 +00:00
Misha Brukman
acc53cc7c6 Declare FunctionPasses as such so that they can be used in FunctionPassManager. 
llvm-svn: 9768
 2003-11-07 17:20:18 +00:00
Chris Lattner
8e2385eb4d Various cleanups and efficiency improvements 
llvm-svn: 9753
 2003-11-06 19:46:29 +00:00
Chris Lattner
8321e79ea6 Fix bug: PR93 
llvm-svn: 9752
 2003-11-06 19:18:49 +00:00
Chris Lattner
58016b49ef Fix the problem with running cleanups in bugpoint: We were deleting arguments 
of intrinsic functions, causing the verifier to fail.

llvm-svn: 9745
 2003-11-05 21:53:41 +00:00
Chris Lattner
f7304f3379 Split behavior into two pieces 
llvm-svn: 9741
 2003-11-05 21:43:02 +00:00
Chris Lattner
a8d3699eb3 Yet more fixes for constant expr shifts 
llvm-svn: 9739
 2003-11-05 20:43:58 +00:00
Chris Lattner
dba798775b Further fixes for PR93 
llvm-svn: 9738
 2003-11-05 20:37:01 +00:00
Chris Lattner
9b9fdd0f17 Fix flawed logic that was breaking several SPEC benchmarks, including gzip and crafty. 
llvm-svn: 9731
 2003-11-05 17:31:36 +00:00
Chris Lattner
f7a909f914 Be gcc 3.4 clean 
llvm-svn: 9725
 2003-11-05 06:12:18 +00:00
Chris Lattner
fd8ec07a8e Fix bug with previous implementation: 
-      // ~(c-X) == X-(c-1) == X+(-c+1)
+      // ~(c-X) == X-c-1 == X+(-c-1)

Implement: C - ~X == X + (1+C)
llvm-svn: 9715
 2003-11-05 01:06:05 +00:00
Chris Lattner
ac2e4e15dd Minor cleanup, plus implement InstCombine/xor.ll:test17 
llvm-svn: 9711
 2003-11-04 23:50:51 +00:00
Chris Lattner
a309338bd4 Implement InstCombine/xor.ll:test(15|16) 
llvm-svn: 9708
 2003-11-04 23:37:10 +00:00
John Criswell
3e30e40801 Checking in Chris's suggestions: 
Added assert() to ensure symbol table is well formed.
Added code to remember the value that was found; resolving types can change
the symbol table and invalidate the value of the iterator.
Added comments to the ResolveTypes() function (mainly for my own benefit).
Please feel free to correct the comments if they are not accurate.

llvm-svn: 9693
 2003-11-04 15:22:26 +00:00