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Author SHA1 Message Date
Duraid Madina
64a52fc615 fix and cleanup constmul code a bit, this fixes mediabench/toast and 
probably a couple of other tests.

llvm-svn: 21814
 2005-05-09 13:18:34 +00:00
Chris Lattner
e91ac6383d tweak test to accept the (good) code emitted by the pattern isel 
llvm-svn: 21812
 2005-05-09 05:54:27 +00:00
Chris Lattner
3094cec3c9 Wrap long lines, remove dead code that is now handled by legalize 
llvm-svn: 21811
 2005-05-09 05:40:26 +00:00
Chris Lattner
5d291fa443 Fix FP -> bool casts 
llvm-svn: 21810
 2005-05-09 05:33:18 +00:00
Chris Lattner
d3bb28d97a implement and.ll:test33 
llvm-svn: 21809
 2005-05-09 04:58:36 +00:00
Chris Lattner
540a321165 New testcase 
llvm-svn: 21808
 2005-05-09 04:54:18 +00:00
Reid Spencer
5eba8c27f0 Add note to self to complete the testing of all intrinsic functions as 
specified in the LangRef document.

llvm-svn: 21807
 2005-05-09 04:47:32 +00:00
Chris Lattner
a1e633ef7a Don't use the load/store instruction as the source pointer, use the pointer 
being stored/loaded through!

llvm-svn: 21806
 2005-05-09 04:28:51 +00:00
Chris Lattner
bfbefe0837 memoize all nodes, even null Value* nodes. Do not add two token chain outputs 
llvm-svn: 21805
 2005-05-09 04:14:13 +00:00
Chris Lattner
b85030373d wrap long lines 
llvm-svn: 21804
 2005-05-09 04:08:33 +00:00
Chris Lattner
6ffae1a3ec Print SrcValue nodes correctly 
llvm-svn: 21803
 2005-05-09 04:08:27 +00:00
Chris Lattner
65d61d9d44 Fix X86/2005-05-08-FPStackifierPHI.ll: ugly gross hack. 
llvm-svn: 21801
 2005-05-09 03:36:39 +00:00
Chris Lattner
86997483e2 New testcase that crashes the pattern isel 
llvm-svn: 21800
 2005-05-09 03:36:11 +00:00
Chris Lattner
a2edd7e449 Preserve CC's when linking modules 
llvm-svn: 21799
 2005-05-09 01:09:39 +00:00
Chris Lattner
2d9c054f4e Preserve calling conventions when doing IPO 
llvm-svn: 21798
 2005-05-09 01:05:50 +00:00
Chris Lattner
eff214d7de wrap long lines, preserve calling conventions when cloning functions and 
turning calls into invokes

llvm-svn: 21797
 2005-05-09 01:04:34 +00:00
Chris Lattner
5a7f1642b7 By definition, 'tail' calls cannot access the stack frame of their caller. 
Expose this as a simple form of mod/ref information.  This implements
BasicAA/tailcall-modref.ll

llvm-svn: 21796
 2005-05-08 23:58:12 +00:00
Chris Lattner
d1969cf8c2 New testacse for information exposed by the 'tail' call marker. 
llvm-svn: 21795
 2005-05-08 23:57:34 +00:00
Chris Lattner
fb4a99b117 Verify that varargs functions all have ccc 
llvm-svn: 21792
 2005-05-08 22:27:09 +00:00
Chris Lattner
b57ab2e975 Convert non-address taken functions with C calling conventions to fastcc. 
llvm-svn: 21791
 2005-05-08 22:18:06 +00:00
Chris Lattner
f30a6e0fbc If loopextract breaks the program provide output so that we can repro the 
problem.

llvm-svn: 21790
 2005-05-08 21:54:56 +00:00
Chris Lattner
e717a9dca2 add a testcase for a case we do not handle yet 
llvm-svn: 21789
 2005-05-08 21:47:42 +00:00
Chris Lattner
d5a353a675 Implement Reassociate/mul-neg-add.ll 
llvm-svn: 21788
 2005-05-08 21:41:35 +00:00
Chris Lattner
5bef0b7bc6 new testcase 
llvm-svn: 21787
 2005-05-08 21:41:18 +00:00
Chris Lattner
f535f6e808 Bail out earlier 
llvm-svn: 21786
 2005-05-08 21:33:47 +00:00
Chris Lattner
39f74def7f Teach reassociate that 0-X === X*-1 
llvm-svn: 21785
 2005-05-08 21:28:52 +00:00
Chris Lattner
0fb59cec82 new testcase 
llvm-svn: 21784
 2005-05-08 21:28:33 +00:00
Chris Lattner
319ac8f822 Fix PR557 and basictest[34].ll. 
This makes reassociate realize that loads should be treated as unmovable, and
gives distinct ranks to distinct values defined in the same basic block, allowing
reassociate to do its thing.

llvm-svn: 21783
 2005-05-08 20:57:04 +00:00
Chris Lattner
ab1fdcec7d new testcases for PR557 
llvm-svn: 21782
 2005-05-08 20:56:02 +00:00
Chris Lattner
b5de308c5f Add debugging information 
llvm-svn: 21781
 2005-05-08 20:09:57 +00:00
Chris Lattner
e74082156b eliminate gotos 
llvm-svn: 21780
 2005-05-08 19:48:43 +00:00
Chris Lattner
6d85b91b24 Wrap long lines. Fix "warning: conflicting types for built-in function 'memset'" 
warning from the CBE+GCC.

llvm-svn: 21779
 2005-05-08 19:46:29 +00:00
Chris Lattner
a9d5fdd4fd Improve reassociation handling of inverses, implementing inverses.ll. 
llvm-svn: 21778
 2005-05-08 18:59:37 +00:00
Chris Lattner
d7a835fcba new testcase 
llvm-svn: 21777
 2005-05-08 18:54:40 +00:00
Chris Lattner
afbdc0b969 clean up and modernize this pass. 
llvm-svn: 21776
 2005-05-08 18:45:26 +00:00
Chris Lattner
7b41539f32 Strength reduce SAR into SHR if there is no way sign bits could be shifted 
in.  This tends to get cases like this:

  X = cast ubyte to int
  Y = shr int X, ...

Tested by: shift.ll:test24

llvm-svn: 21775
 2005-05-08 17:34:56 +00:00
Chris Lattner
5fe4e982b8 new testcase 
llvm-svn: 21774
 2005-05-08 17:31:24 +00:00
Jeff Cohen
913578a3e1 Update my info 
llvm-svn: 21773
 2005-05-08 01:07:48 +00:00
Chris Lattner
c2670a0da6 Refactor some code 
llvm-svn: 21772
 2005-05-08 00:19:31 +00:00
Chris Lattner
cd7caaa866 Handle some simple cases where we can see that values get annihilated. 
llvm-svn: 21771
 2005-05-08 00:08:33 +00:00
Chris Lattner
1e84d885b7 Fix a miscompilation of crafty by clobbering the "A" variable. 
llvm-svn: 21770
 2005-05-07 23:49:08 +00:00
Chris Lattner
ae62d64e6c Move licm after reassociate, add some cond-propagate passes 
llvm-svn: 21769
 2005-05-07 22:45:35 +00:00
Chris Lattner
5662127ed6 Rewrite the guts of the reassociate pass to be more efficient and logical. Instead 
of trying to do local reassociation tweaks at each level, only process an expression
tree once (at its root).  This does not improve the reassociation pass in any real way.

llvm-svn: 21768
 2005-05-07 21:59:39 +00:00
Reid Spencer
bd4efef3eb * Break tests into individual cases so its easier to see what's going on. 
* Add four new cases to handle the new optimizations for strlen, dealing
  with:
    strlen(x) != 0 -> *x != 0
    strlen(x) == 0 -> *x == 0
  for each of two cases: strlen(x) != 0 and strlen(x) == 0

llvm-svn: 21767
 2005-05-07 20:21:04 +00:00
Reid Spencer
b4fdf14d34 * Add two strlen optimizations: 
strlen(x) != 0 -> *x != 0
    strlen(x) == 0 -> *x == 0
* Change nested statistics to use style of other LLVM statistics so that
  only the name of the optimization (simplify-libcalls) is used as the
  statistic name, and the description indicates which specific all is
  optimized. Cuts down on some redundancy and saves a few bytes of space.
* Make note of stpcpy optimization that could be done.

llvm-svn: 21766
 2005-05-07 20:15:59 +00:00
Reid Spencer
65d553cd03 Don't increment the counter unless the debug flag is set. 
llvm-svn: 21762
 2005-05-07 04:59:45 +00:00
Chris Lattner
3edf09a5eb Convert shifts to muls to assist reassociation. This implements 
Reassociate/shifttest.ll

llvm-svn: 21761
 2005-05-07 04:24:13 +00:00
Chris Lattner
e265bf6fe5 test that reassociate can handle shifts 
llvm-svn: 21760
 2005-05-07 04:23:29 +00:00
Chris Lattner
b1ea71fbcd Simplify the code and rearrange it. No major functionality changes here. 
llvm-svn: 21759
 2005-05-07 04:08:02 +00:00
Jeff Cohen
eafa15885e Silence VC++ warnings about unsafe mixing of ints and bools with the | operator. 
llvm-svn: 21758
 2005-05-07 02:44:04 +00:00