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9445 Commits

Author SHA1 Message Date
Chris Lattner
f1b4d1dee6 rename insertEntry to insert 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20484 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-06 05:55:40 +00:00
Chris Lattner
e4c872a8fa Merge SymbolTable::removeEntry into SymbolTable::remove, its only caller 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20483 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-06 05:51:09 +00:00
Chris Lattner
c27aa8ddb2 Delete the really inefficient method: void remove(const Type* Typ); 
Speed up the symbol stripping code by avoiding a linear search of the
type table.

Get rid of removeEntry(type_iterator), since 'remove' is exactly the same
operation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20481 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-06 05:46:41 +00:00
Chris Lattner
82aa566795 Make this MUCH faster by avoiding a linear search in the symbol table code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20479 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-06 05:42:36 +00:00
Chris Lattner
a98cbe57ea Remove some really gross and hard to understand code now that 
InternallyInconsistent is always false.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20477 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-06 05:21:40 +00:00
Chris Lattner
ee4da939b0 Simplify some code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20476 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-06 05:13:42 +00:00
Chris Lattner
921c565888 remove these methods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20474 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-06 02:37:47 +00:00
Chris Lattner
af4a9bb2ba simplify and speed up some code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20472 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-06 02:32:00 +00:00
Chris Lattner
b15fde2b78 simplify some code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20471 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-06 02:28:23 +00:00
Chris Lattner
04cb800c32 This fixes PR531, a crash when running the CBE on a bytecode file. 
The problem is that Function::renameLocalSymbols is iterating through
the symbol table planes, occasionally calling setName to rename a value
(which used to do a symbol table remove/insert pair).

The problem is that if there is only a single value in a particular type
plane that the remove will nuke the symbol table plane, and the insert
will create and insert a new one.  This hoses Function::renameLocalSymbols
because it has an iterator to the old plane, under the (very reasonable)
assumption that simply renaming a value won't cause the type plane to
disappear.

This patch fixes the bug by making the rename operation a single atomic
operation, which has a side effect of making the whole thing faster too. :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20469 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-06 02:14:28 +00:00
Jeff Cohen
e43dd1b8e7 Reformat comments to fix 80 columns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20467 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-05 22:45:40 +00:00
Jeff Cohen
b21bf9a8d5 Reuse induction variables created for strength-reduced GEPs by other similar GEPs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20466 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-05 22:40:34 +00:00
Chris Lattner
0d1e40728d remove all of the various setName implementations, consolidating them into 
Value::setName, which is no longer virtual.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20464 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-05 19:51:50 +00:00
Chris Lattner
7acff25f7f second argument to Value::setName is now gone. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20463 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-05 19:05:20 +00:00
Chris Lattner
3267265d78 Make sure the two arguments of a setcc instruction point to the same node. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20462 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-05 19:04:31 +00:00
Chris Lattner
262bb9ae5e zap 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20461 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-05 19:04:07 +00:00
Chris Lattner
8e1b8473eb 2nd arg to setName goes away. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20460 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-05 19:02:15 +00:00
Chris Lattner
ffdb920ec2 Constants never get names. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20459 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-05 19:01:59 +00:00
Chris Lattner
18221ed507 Remove the 2nd argument to Value::setName 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20458 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-05 19:01:49 +00:00
Chris Lattner
569d54d4fa don't break the build on 32-bit hosts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20455 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-05 17:47:38 +00:00
Andrew Lenharth
3ee6041ab3 fix data size stuff for architectures with bit challenged data types 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20453 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-05 15:30:33 +00:00
Chris Lattner
8b9081081b Do not compute 1ULL << 64, which is undefined. This fixes Ptrdist/ks on the 
sparc, and testcase Regression/Transforms/InstCombine/2005-03-04-ShiftOverflow.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20445 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-04 23:21:33 +00:00
Andrew Lenharth
f69a98cea3 fix up stack pointer adjustments 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20442 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-04 21:40:02 +00:00
Chris Lattner
f57cc3b7e2 Trivial cleanup patch 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20436 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-04 20:27:46 +00:00
Andrew Lenharth
3381913322 fix FCMOVxx typo, set rem and div to hardcode target reg to be the same as the one the assembler uese, update ISel to put values in regs used by assembler for rem and div 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20434 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-04 20:09:23 +00:00
Jeff Cohen
2f3c9b7562 Add support for not strength reducing GEPs where the element size is a small 
power of two.  This emphatically includes the zeroeth power of two.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20429 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-04 04:04:26 +00:00
Andrew Lenharth
8d46a268c5 turn on IEEE for compares 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20425 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-03 22:12:11 +00:00
Andrew Lenharth
4585969e87 beter Select on FP 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20424 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-03 21:47:53 +00:00
Chris Lattner
6d9b69fd5f Print -X like this: 
double test(double l1_X) {
  return (-l1_X);
}

instead of like this:

double test(double l1_X) {
  return (-0x0p+0 - l1_X);
}


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20423 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-03 21:12:04 +00:00
Andrew Lenharth
f3f475efee LSR cleanup patch 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20422 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-03 19:03:21 +00:00
Chris Lattner
f7fe494c19 Do not lower malloc's to pass "sizeof" expressions like this: 
ltmp_0_7 = malloc(((unsigned )(&(((signed char (*)[784])/*NULL*/0)[1u]))));

Instead, just emit the literal constant, like this:

  ltmp_0_7 = malloc(784u);

This works around a bug in ICC 8.1 compiling the CBE generated code.  :-(


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20415 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-03 01:04:50 +00:00
Chris Lattner
5f792c2c53 Add an optional argument to lower to a specific constant value instead of 
to a "sizeof" expression.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20414 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-03 01:03:43 +00:00
Misha Brukman
0fbd914362 Fix the spelling of the word `the' 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20412 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-02 23:17:31 +00:00
Chris Lattner
31ab1b3d74 Print the module ID as a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20411 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-02 23:12:40 +00:00
Chris Lattner
4318a3d0e9 cleanup the cfg after lsr 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20410 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-02 21:56:00 +00:00
Andrew Lenharth
74d00d860e remove 32 sign extend after 32 sextload and handle small negative constant 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20408 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-02 17:23:03 +00:00
Andrew Lenharth
e4f161c909 Added LSR as a beta pass for alpha 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20407 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-02 17:21:38 +00:00
Chris Lattner
0c7490617a Add a temporary option for llc-beta: -enable-lsr-for-ppc, which turns on 
Loop Strength Reduction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20399 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-02 06:19:22 +00:00
Reid Spencer
1af69a8131 Be slightly more accurate in an error message. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20397 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-02 05:45:56 +00:00
Chris Lattner
ded3613fef Fix a nasty order of evaluation bug that Gabor Greif ran into. Here's an 
explanation from IRC:

	|sabre|	I think it's an order of evaluation thing
	|sabre|	for me, the RHS of the assignment is evaluated first
	|sabre|	getTypeDescription checks to see if ConcreteTypeDescription[Ty] contains anything
	|sabre|	since it doesn't, it computes and returns the value
	|sabre|	this gets put into the map.
	|sabre|	For you, the LHS is evaluated first.
	|sabre|	Map[Ty] (aka ConcreteTypeDescriptions[Ty]) inserts an empty string into the map, returning a reference
	|sabre|	getTypeDesc then sees the empty string in the map
	|sabre|	and returns it
	|sabre|	bork :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20394 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-02 03:54:43 +00:00
Jeff Cohen
0456e4a079 Fixed the following LSR bugs: 
* Loop invariant code does not dominate the loop header, but rather
    the end of the loop preheader.

  * The base for a reduced GEP isn't a constant unless all of its
    operands (preceding the induction variable) are constant.

  * Allow induction variable elimination for the simple case after all.

Also made changes recommended by Chris for properly deleting
instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20383 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-01 03:46:11 +00:00
Alkis Evlogimenos
d0656fc94d Lower llvm.isunordered(a, b) into a != a | b != b. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20382 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-01 02:07:58 +00:00
Chris Lattner
ca76f357b9 Remove tabs from file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20380 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-28 19:36:15 +00:00
Chris Lattner
33e9d29b3b Add support to the C backend for llvm.prefetch. Patch contributed by 
Justin Wick!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20378 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-28 19:29:46 +00:00
Chris Lattner
edac2d1a80 recognize llvm.prefetch. Patch contributed by Justin Wick! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20377 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-28 19:28:00 +00:00
Chris Lattner
6f72282e02 Verify llvm.prefetch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20376 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-28 19:27:42 +00:00
Chris Lattner
0942b7caf1 Lower prefetch to a noop, patch contributed by Justin Wick! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20375 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-28 19:27:23 +00:00
Andrew Lenharth
e699e95571 fix integer division and stuff 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20372 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-28 17:22:18 +00:00
Jeff Cohen
14dc638081 Fix crash in LSR due to attempt to remove original induction variable. However, 
for reasons explained in the comments, I also deactivated this code as it needs
more thought.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20367 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-28 00:08:56 +00:00
Jeff Cohen
5e1e5e13ff PHI nodes were incorrectly placed when more than one GEP is reduced in a loop. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20360 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-02-27 21:08:04 +00:00