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Commit Graph

2624 Commits

Author SHA1 Message Date
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
Chris Lattner
c95479a283 Clean up dis so that it does not print out code in various traversal orders.
Now it only output llvm or C code.

llvm-svn: 2564
2002-05-09 01:25:55 +00:00
Chris Lattner
70dd3548b3 Add two new patterns that instcombine should or does handle
llvm-svn: 2563
2002-05-08 23:15:01 +00:00
Chris Lattner
a39fc03021 Print out post dominance data structures more nicely
llvm-svn: 2562
2002-05-08 23:11:08 +00:00