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Author SHA1 Message Date
Chris Lattner
fe8f5b5ad7 Add testcase for when there is no loop header 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2611 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-10 22:43:26 +00:00
Chris Lattner
8672a4eb8c A basic test that LICM is working 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2610 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-10 22:27:49 +00:00
Chris Lattner
ee583d621b Run LICM tests 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2609 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-10 22:21:38 +00:00
Chris Lattner
511cbbeba2 run LICM tests 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2608 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-10 22:21:25 +00:00
Chris Lattner
dd63a37c87 Make sure to call the derived visit versions from the ranged iterator. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2607 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-10 22:21:05 +00:00
Chris Lattner
d6b60805e8 We actually need this code for the release build to prevent link errors, 
un#ifdef it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2606 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-10 18:54:35 +00:00
Chris Lattner
b498cce6b2 Add explicit abort so optimized build knows that the function does not return 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2605 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-10 18:53:55 +00:00
Chris Lattner
cba7a1545a Add an explicit abort so that the optimized build knows the function does 
not return.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2604 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-10 18:53:21 +00:00
Chris Lattner
18f4701b2b * 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??)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2603 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-10 18:51:54 +00:00
Chris Lattner
e04f4b60c6 Expose the lowerallocs pass 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2602 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-10 15:43:07 +00:00
Chris Lattner
3dec1f2722 Add support for printing out statistics information when -stats is added to 
the command line


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2601 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-10 15:38:35 +00:00
Chris Lattner
55547274bc Fix some bugs, straighten stuff out, more work needs to be done. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2600 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-10 15:37:35 +00:00
Chris Lattner
fa10fdf5eb Initial checkin of Statistic class 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2599 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-10 15:36:56 +00:00
Chris Lattner
f3f4fd50f2 Initial checkin of Statistic class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2598 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-10 15:36:46 +00:00
Chris Lattner
3c0193742a * 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2597 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-10 15:29:25 +00:00
Chris Lattner
c79260af6e New testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2596 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-10 15:14:54 +00:00
Chris Lattner
9f7fab5feb remove deprecated getInstType() method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2595 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-10 13:28:47 +00:00
Chris Lattner
2c0f3d23ae Expose the pi node insertion pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2594 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-10 05:41:49 +00:00
Chris Lattner
87fea85934 Initial checkin of the PiNodeInsertion pass 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2593 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-10 05:41:34 +00:00
Chris Lattner
531823f125 Add prototype for the PiNodeInserter pass 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2592 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-10 05:40:37 +00:00
Chris Lattner
38fc13149c Test the Pi node inserter 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2591 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-10 05:38:39 +00:00
Chris Lattner
8832c1e853 Initial checkin of testcases for Pi node inserter 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2590 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-10 05:38:18 +00:00
Chris Lattner
3af3ba8b38 Last minor cleanups, this code still does not work for all cases, but it 
works much better than it used to.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2588 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-09 21:31:18 +00:00
Chris Lattner
d0c668c380 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).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2587 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-09 21:18:38 +00:00
Chris Lattner
4fbf26d2fc * Remove CInstPrintVisitor class, incorporating it into the CWriter class 
* Reorder code in the file to make it more logically laid out.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2586 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-09 20:53:56 +00:00
Chris Lattner
497e19aee0 Remove CLocalVars data structure entirely, instead of building stuff and 
then printing it out, just print as we go.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2585 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-09 20:39:03 +00:00
Chris Lattner
7683a12e20 Simplify code by removing InstLocalVarsVisitor, replacing it with a simple 
inst_iterator.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2584 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-09 20:33:35 +00:00
Chris Lattner
1f02c8910a * 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2583 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-09 20:14:10 +00:00
Chris Lattner
53a5b57737 Handle setcc <global*>, 0 instructions, Global pointers are never null! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2582 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-09 20:11:54 +00:00
Chris Lattner
0aa7cd605d Give the longer name to the instruction that will probably be eliminated later 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2581 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-09 20:11:23 +00:00
Chris Lattner
0097e41993 New testcase for wierd combine opportunity found in bzip2 benchmark 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2580 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-09 19:52:36 +00:00
Chris Lattner
8c8a37061a Emit: 
l3_reg109 = l81_this->field0;
Instead of:
  l3_reg109 = l81_this[0u].field0;

where possible


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2579 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-09 15:59:50 +00:00
Chris Lattner
8c3c4bfcfe * 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)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2578 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-09 15:49:41 +00:00
Chris Lattner
deed7a5ae3 * 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2577 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-09 15:18:52 +00:00
Chris Lattner
3ef6dc7bdd Gut the type printing code so there is only one copy of it instead of 3 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2576 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-09 14:40:11 +00:00
Chris Lattner
2d05a1acb0 * 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2575 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-09 05:16:40 +00:00
Chris Lattner
2a7ab2e46d Remove gross "Operand" instance variable 
Remove lots of unneccesary arguments to methods


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2574 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-09 04:39:00 +00:00
Chris Lattner
2f49902374 Simplify and clean up function calls. 
Now indirect function calls work, except that function pointer types are not correct.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2573 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-09 04:21:21 +00:00
Chris Lattner
2f5eb4e9a5 * Remove dead function 
* Print C strings correctly
* Expand C escape sequences nicely (ie \n \t, etc get generated instead of hex escapes)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2572 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-09 03:56:52 +00:00
Chris Lattner
4440826cae Make Getelementptr, load & store all work the right way. 
Handle global variables correctly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2571 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-09 03:50:42 +00:00
Chris Lattner
2f5f51a852 Many random fixes: 
* Use binary operator logic for shifts instead of cloning code
 * Unary not is '~' not '!'


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2570 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-09 03:28:37 +00:00
Chris Lattner
f34ee81c5e 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2569 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-09 03:12:34 +00:00
Chris Lattner
b5af06a0ec 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2568 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-09 03:06:06 +00:00
Chris Lattner
16c7bb2c8f First wave of cleanups, looks like the first of many. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2567 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-09 02:28:59 +00:00
Chris Lattner
403717156b Add ability to transform (x - (y - z)) into (x + (z - y)) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2566 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-09 01:29:19 +00:00
Chris Lattner
8c7333e17c Fix broken testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2565 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-09 01:28:30 +00:00
Chris Lattner
aa3904faff Clean up dis so that it does not print out code in various traversal orders. 
Now it only output llvm or C code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2564 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-09 01:25:55 +00:00
Chris Lattner
d086fb20eb Add two new patterns that instcombine should or does handle 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2563 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-08 23:15:01 +00:00
Chris Lattner
4874680b65 Print out post dominance data structures more nicely 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2562 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-08 23:11:08 +00:00
Chris Lattner
5c4afb9034 * Combine: A-(-B) -> A + B 
* Bugfix:  A + -B and -A + B


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2561 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-05-08 22:46:53 +00:00