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Author SHA1 Message Date
Chris Lattner
1b769f2a94 Initial checkin of LICM pass 
llvm-svn: 2615
 2002-05-10 22:44:58 +00:00
Chris Lattner
b04d5ecc11 expose LICM pass 
llvm-svn: 2614
 2002-05-10 22:44:37 +00:00
Chris Lattner
97b501879c Add LICM pass to compiler 
llvm-svn: 2613
 2002-05-10 22:44:31 +00:00
Chris Lattner
5a85ea20e5 Add prototype for LICM pass 
llvm-svn: 2612
 2002-05-10 22:44:16 +00:00
Chris Lattner
1e198023b9 Add testcase for when there is no loop header 
llvm-svn: 2611
 2002-05-10 22:43:26 +00:00
Chris Lattner
717e99c79a A basic test that LICM is working 
llvm-svn: 2610
 2002-05-10 22:27:49 +00:00
Chris Lattner
c2766aada8 Run LICM tests 
llvm-svn: 2609
 2002-05-10 22:21:38 +00:00
Chris Lattner
1215378a67 run LICM tests 
llvm-svn: 2608
 2002-05-10 22:21:25 +00:00
Chris Lattner
708b869951 Make sure to call the derived visit versions from the ranged iterator. 
llvm-svn: 2607
 2002-05-10 22:21:05 +00:00
Chris Lattner
590bcc9629 We actually need this code for the release build to prevent link errors, 
un#ifdef it.

llvm-svn: 2606
 2002-05-10 18:54:35 +00:00
Chris Lattner
ff9f677248 Add explicit abort so optimized build knows that the function does not return 
llvm-svn: 2605
 2002-05-10 18:53:55 +00:00
Chris Lattner
625396c63a Add an explicit abort so that the optimized build knows the function does 
not return.

llvm-svn: 2604
 2002-05-10 18:53:21 +00:00
Chris Lattner
b9e591a7b5 * Allow a profile'd code build to be done with a simple 'make ENABLE_PROFILING=1' 
* Only build tags for include, lib, and tools, not tests
* Turn on verbose output from bison to get information about shift/reduce
  conficts (why isn't this the default??)

llvm-svn: 2603
 2002-05-10 18:51:54 +00:00
Chris Lattner
24656ee8e4 Expose the lowerallocs pass 
llvm-svn: 2602
 2002-05-10 15:43:07 +00:00
Chris Lattner
adba963886 Add support for printing out statistics information when -stats is added to 
the command line

llvm-svn: 2601
 2002-05-10 15:38:35 +00:00
Chris Lattner
1bf8912c74 Fix some bugs, straighten stuff out, more work needs to be done. 
llvm-svn: 2600
 2002-05-10 15:37:35 +00:00
Chris Lattner
a9e4b660ff Initial checkin of Statistic class 
llvm-svn: 2599
 2002-05-10 15:36:56 +00:00
Chris Lattner
8c131ef721 Initial checkin of Statistic class. 
llvm-svn: 2598
 2002-05-10 15:36:46 +00:00
Chris Lattner
0671b3db5d * Add support for the -stats command line option to report how much is changed 
* Make cast-of-self-ty DCE the dead cast instruction immediately instead of
  waiting for it to be DCE'd by another sweep over the function.  This speeds
  this up noticably.

llvm-svn: 2597
 2002-05-10 15:29:25 +00:00
Chris Lattner
d9e5159118 New testcase 
llvm-svn: 2596
 2002-05-10 15:14:54 +00:00
Chris Lattner
ca6c5955f4 remove deprecated getInstType() method 
llvm-svn: 2595
 2002-05-10 13:28:47 +00:00
Chris Lattner
25ae3ddf64 Expose the pi node insertion pass. 
llvm-svn: 2594
 2002-05-10 05:41:49 +00:00
Chris Lattner
2d91be1ab7 Initial checkin of the PiNodeInsertion pass 
llvm-svn: 2593
 2002-05-10 05:41:34 +00:00
Chris Lattner
93ba8ba0a9 Add prototype for the PiNodeInserter pass 
llvm-svn: 2592
 2002-05-10 05:40:37 +00:00
Chris Lattner
5295e03aa9 Test the Pi node inserter 
llvm-svn: 2591
 2002-05-10 05:38:39 +00:00
Chris Lattner
bfc208b405 Initial checkin of testcases for Pi node inserter 
llvm-svn: 2590
 2002-05-10 05:38:18 +00:00
Chris Lattner
a98304f4fa Last minor cleanups, this code still does not work for all cases, but it 
works much better than it used to.

llvm-svn: 2588
 2002-05-09 21:31:18 +00:00
Chris Lattner
4ece8deba5 Two Cleanups to generated C code: 
1. Avoid printing *(&globalvariable), instead print globalvariable alone
   as a special case.
2. Inline subexpressions into expressions as much as legal that preserves
   execution characteristics of expressions.  Now we get nice (but
   over-parenthesized, oh well) things like:

     ltmp_428_7 = spec__putc(((unsigned char )((bsBuff) >> 24)), (bsStream));

   instead of five seperate instructions (bsBuff & bsStream are globals).

llvm-svn: 2587
 2002-05-09 21:18:38 +00:00
Chris Lattner
9a9b801669 * Remove CInstPrintVisitor class, incorporating it into the CWriter class 
* Reorder code in the file to make it more logically laid out.

llvm-svn: 2586
 2002-05-09 20:53:56 +00:00
Chris Lattner
3fd3c03371 Remove CLocalVars data structure entirely, instead of building stuff and 
then printing it out, just print as we go.

llvm-svn: 2585
 2002-05-09 20:39:03 +00:00
Chris Lattner
5ed180c1bd Simplify code by removing InstLocalVarsVisitor, replacing it with a simple 
inst_iterator.

llvm-svn: 2584
 2002-05-09 20:33:35 +00:00
Chris Lattner
aa1d35be51 * Clean up how PHI nodes are handled 
* Correct global variable references
* Fix loads & stores with zero indices
* Do not emit an else part of a branch if there is no code (no phi node
  and a fallthrough branch), makes code more readable to get:
  if (l2_cond240) {
    goto l13_bb10;
  }

with no else{} branch

llvm-svn: 2583
 2002-05-09 20:14:10 +00:00
Chris Lattner
cd326f096f Handle setcc <global*>, 0 instructions, Global pointers are never null! 
llvm-svn: 2582
 2002-05-09 20:11:54 +00:00
Chris Lattner
9de1aeb91c Give the longer name to the instruction that will probably be eliminated later 
llvm-svn: 2581
 2002-05-09 20:11:23 +00:00
Chris Lattner
160b51de7d New testcase for wierd combine opportunity found in bzip2 benchmark 
llvm-svn: 2580
 2002-05-09 19:52:36 +00:00
Chris Lattner
94e4578db4 Emit: 
l3_reg109 = l81_this->field0;
Instead of:
  l3_reg109 = l81_this[0u].field0;

where possible

llvm-svn: 2579
 2002-05-09 15:59:50 +00:00
Chris Lattner
97ae8c039e * Print structures types correctly 
* Clean up generated code to not emit basic block labels and goto
  instructions if they are unneccesary (for example, fall throughs)

llvm-svn: 2578
 2002-05-09 15:49:41 +00:00
Chris Lattner
93fb65370c * Continue cleanup of type printing code 
* Print a newline after a malloc instruction
* Convert unprintable characters to x_ instead of _x so that we don't
  generate identifiers that start with underscores

llvm-svn: 2577
 2002-05-09 15:18:52 +00:00
Chris Lattner
b3acea93cf Gut the type printing code so there is only one copy of it instead of 3 
llvm-svn: 2576
 2002-05-09 14:40:11 +00:00
Chris Lattner
619c55baec * Remove dead "constant printing" code 
* Mangle names with only a prefix so that they are easier on the eyes.
* Put spaces around binary operators with low precedence to make them easier to read
* Don't prefix function names with &, although it's correct, it's unnecesary and
  easier to read without it.

llvm-svn: 2575
 2002-05-09 05:16:40 +00:00
Chris Lattner
cde698978f Remove gross "Operand" instance variable 
Remove lots of unneccesary arguments to methods

llvm-svn: 2574
 2002-05-09 04:39:00 +00:00
Chris Lattner
e8573f21c7 Simplify and clean up function calls. 
Now indirect function calls work, except that function pointer types are not correct.

llvm-svn: 2573
 2002-05-09 04:21:21 +00:00
Chris Lattner
72286b8a3b * Remove dead function 
* Print C strings correctly
* Expand C escape sequences nicely (ie \n \t, etc get generated instead of hex escapes)

llvm-svn: 2572
 2002-05-09 03:56:52 +00:00
Chris Lattner
c7b3367aad Make Getelementptr, load & store all work the right way. 
Handle global variables correctly.

llvm-svn: 2571
 2002-05-09 03:50:42 +00:00
Chris Lattner
2a4f66f21d Many random fixes: 
* Use binary operator logic for shifts instead of cloning code
 * Unary not is '~' not '!'

llvm-svn: 2570
 2002-05-09 03:28:37 +00:00
Chris Lattner
87d656d2a6 Incorporate and purge function before and after printing them so unnamed values 
have some hope of working right.

Function calls do not try to emit an lvalue if they return void.

llvm-svn: 2569
 2002-05-09 03:12:34 +00:00
Chris Lattner
80f7e2db14 Factor out the code to print a value to ONE place. 
It turns out that unnamed values DO NOT work at all, that's next on the list.

llvm-svn: 2568
 2002-05-09 03:06:06 +00:00
Chris Lattner
558771c658 First wave of cleanups, looks like the first of many. 
llvm-svn: 2567
 2002-05-09 02:28:59 +00:00
Chris Lattner
172488eb68 Add ability to transform (x - (y - z)) into (x + (z - y)) 
llvm-svn: 2566
 2002-05-09 01:29:19 +00:00
Chris Lattner
890652c8a2 Fix broken testcase 
llvm-svn: 2565
 2002-05-09 01:28:30 +00:00