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Author SHA1 Message Date
Jeff Cohen
023f10be12 Reuse induction variables created for strength-reduced GEPs by other similar GEPs. 
llvm-svn: 20466
 2005-03-05 22:40:34 +00:00
Chris Lattner
698c09c597 remove extraneous spaces from argument lists. 
llvm-svn: 20465
 2005-03-05 19:58:40 +00:00
Chris Lattner
b177010d51 remove all of the various setName implementations, consolidating them into 
Value::setName, which is no longer virtual.

llvm-svn: 20464
 2005-03-05 19:51:50 +00:00
Chris Lattner
1ccff5c8c7 second argument to Value::setName is now gone. 
llvm-svn: 20463
 2005-03-05 19:05:20 +00:00
Chris Lattner
05e4fe5ef3 Make sure the two arguments of a setcc instruction point to the same node. 
llvm-svn: 20462
 2005-03-05 19:04:31 +00:00
Chris Lattner
70ffed029e zap 
llvm-svn: 20461
 2005-03-05 19:04:07 +00:00
Chris Lattner
80ba99a8f6 2nd arg to setName goes away. 
llvm-svn: 20460
 2005-03-05 19:02:15 +00:00
Chris Lattner
2bd3d67a8d Constants never get names. 
llvm-svn: 20459
 2005-03-05 19:01:59 +00:00
Chris Lattner
005a4a476a Remove the 2nd argument to Value::setName 
llvm-svn: 20458
 2005-03-05 19:01:49 +00:00
Chris Lattner
93642ede7d Remove the second argument to Value::setName, it is never needed. 
llvm-svn: 20457
 2005-03-05 18:59:36 +00:00
Chris Lattner
3f3f3733e9 New testcase for PR533 
llvm-svn: 20456
 2005-03-05 18:47:28 +00:00
Chris Lattner
f70d80d026 don't break the build on 32-bit hosts. 
llvm-svn: 20455
 2005-03-05 17:47:38 +00:00
Chris Lattner
b6f52d064c This file is all commented out. 
llvm-svn: 20454
 2005-03-05 17:28:37 +00:00
Andrew Lenharth
ee4072f980 fix data size stuff for architectures with bit challenged data types 
llvm-svn: 20453
 2005-03-05 15:30:33 +00:00
Chris Lattner
cadc85daa5 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

llvm-svn: 20445
 2005-03-04 23:21:33 +00:00
Chris Lattner
454abb155b Testcase for a bug that caused us to miscompile ptrdist/ks on sparc. 
llvm-svn: 20444
 2005-03-04 23:20:46 +00:00
Andrew Lenharth
ad4380f06e fix up stack pointer adjustments 
llvm-svn: 20442
 2005-03-04 21:40:02 +00:00
Chris Lattner
0864ad52d4 Trivial cleanup patch 
llvm-svn: 20436
 2005-03-04 20:27:46 +00:00
Andrew Lenharth
458e6bcf28 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 
llvm-svn: 20434
 2005-03-04 20:09:23 +00:00
Jeff Cohen
29ecafb2e3 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.

llvm-svn: 20429
 2005-03-04 04:04:26 +00:00
Andrew Lenharth
e831777542 turn on IEEE for compares 
llvm-svn: 20425
 2005-03-03 22:12:11 +00:00
Andrew Lenharth
e6dbf989b3 beter Select on FP 
llvm-svn: 20424
 2005-03-03 21:47:53 +00:00
Chris Lattner
4439f1686f 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);
}

llvm-svn: 20423
 2005-03-03 21:12:04 +00:00
Andrew Lenharth
b5ddbc074d LSR cleanup patch 
llvm-svn: 20422
 2005-03-03 19:03:21 +00:00
Chris Lattner
8074739aa2 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.  :-(

llvm-svn: 20415
 2005-03-03 01:04:50 +00:00
Chris Lattner
4814696e7d Add an optional argument to lower to a specific constant value instead of 
to a "sizeof" expression.

llvm-svn: 20414
 2005-03-03 01:03:43 +00:00
Chris Lattner
f43446fb2f Add an argument. 
llvm-svn: 20413
 2005-03-03 01:03:10 +00:00
Misha Brukman
5b587350ee Fix the spelling of the word `the' 
llvm-svn: 20412
 2005-03-02 23:17:31 +00:00
Chris Lattner
f9597dc689 Print the module ID as a comment. 
llvm-svn: 20411
 2005-03-02 23:12:40 +00:00
Chris Lattner
b205d87afe cleanup the cfg after lsr 
llvm-svn: 20410
 2005-03-02 21:56:00 +00:00
Andrew Lenharth
1e213c7924 remove 32 sign extend after 32 sextload and handle small negative constant 
llvm-svn: 20408
 2005-03-02 17:23:03 +00:00
Andrew Lenharth
8fc5ba2e06 Added LSR as a beta pass for alpha 
llvm-svn: 20407
 2005-03-02 17:21:38 +00:00
Chris Lattner
798b18474c Add a temporary option for llc-beta: -enable-lsr-for-ppc, which turns on 
Loop Strength Reduction.

llvm-svn: 20399
 2005-03-02 06:19:22 +00:00
Reid Spencer
a5fbf1d659 Be slightly more accurate in an error message. 
llvm-svn: 20397
 2005-03-02 05:45:56 +00:00
Chris Lattner
0bb2828efb 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 :)

llvm-svn: 20394
 2005-03-02 03:54:43 +00:00
Chris Lattner
61e4645073 Now that type does not derive from Value, these do not need to be virtual. 
llvm-svn: 20393
 2005-03-02 03:43:55 +00:00
Misha Brukman
07b7f5303b Fix HTML-4.01 Strict compliance 
llvm-svn: 20386
 2005-03-01 17:19:21 +00:00
Misha Brukman
aa7c98645d Use a colon instead of a period since we're introducing a command list 
llvm-svn: 20385
 2005-03-01 17:15:23 +00:00
Reid Spencer
d61247f46e Correct a typo in Makefile.rules. 
Patch idea contributed by Vladimir Merzliakov.

llvm-svn: 20384
 2005-03-01 16:27:06 +00:00
Jeff Cohen
6d82d5b23e 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.

llvm-svn: 20383
 2005-03-01 03:46:11 +00:00
Alkis Evlogimenos
422af394b6 Lower llvm.isunordered(a, b) into a != a | b != b. 
llvm-svn: 20382
 2005-03-01 02:07:58 +00:00
Chris Lattner
af145bfdb2 cleanup my miswording 
llvm-svn: 20381
 2005-02-28 19:47:14 +00:00
Chris Lattner
9d57998cda Remove tabs from file. 
llvm-svn: 20380
 2005-02-28 19:36:15 +00:00
Chris Lattner
bc5b5ded4e Add a test for llvm.prefetch. 
llvm-svn: 20379
 2005-02-28 19:31:42 +00:00
Chris Lattner
b2720f5b57 Add support to the C backend for llvm.prefetch. Patch contributed by 
Justin Wick!

llvm-svn: 20378
 2005-02-28 19:29:46 +00:00
Chris Lattner
82480f68d7 recognize llvm.prefetch. Patch contributed by Justin Wick! 
llvm-svn: 20377
 2005-02-28 19:28:00 +00:00
Chris Lattner
c4205a6b93 Verify llvm.prefetch. 
llvm-svn: 20376
 2005-02-28 19:27:42 +00:00
Chris Lattner
9ccfcab3db Lower prefetch to a noop, patch contributed by Justin Wick! 
llvm-svn: 20375
 2005-02-28 19:27:23 +00:00
Chris Lattner
df11946bb8 Add a prefetch intrinsic, patch contributed by Justin Wick! 
llvm-svn: 20374
 2005-02-28 19:25:57 +00:00
Chris Lattner
e170bea312 Document llvm.prefetch, patch contributed by Justin Wick! 
llvm-svn: 20373
 2005-02-28 19:24:19 +00:00