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268 Commits

Author SHA1 Message Date
Chris Lattner
ffb08f569b add some notes about strlen craziness in eon. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61917 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-08 06:52:57 +00:00
Chris Lattner
d23b799d7d add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61513 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-31 00:54:13 +00:00
Chris Lattner
9cf8ef63c6 add some notes for simplifylibcalls optimizations 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61385 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-23 20:52:52 +00:00
Chris Lattner
582048d5b8 add some more notes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61033 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-15 08:32:28 +00:00
Chris Lattner
8f416f3afd Add a testcase for GCC PR 23455, which lpre handles now. Add some 
comments about why we're not getting other cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61032 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-15 07:49:24 +00:00
Chris Lattner
ef423ebdd1 gvn now hoists this load out of the hot non-call path. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61028 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-15 06:34:48 +00:00
Chris Lattner
2dae65d13b move an entry, add some notes, remove a completed item (IMPLICIT_DEF) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60821 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-10 01:30:48 +00:00
Chris Lattner
630c99fd21 improve a note. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60636 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 00:15:10 +00:00
Chris Lattner
6a09a74e46 some more PRE/GVN/DSE related notes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60633 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-06 22:52:12 +00:00
Chris Lattner
78a7e7c797 some random notes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60624 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-06 19:28:22 +00:00
Chris Lattner
88d84b245c add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60404 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-02 06:32:34 +00:00
Bill Wendling
3bdcda82a5 - Remove the buggy -X/C -> X/-C transform. This isn't valid when X isn't a 
constant. If X is a constant, then this is folded elsewhere.

- Added a note to Target/README.txt to indicate that we'd like to implement
  this when we're able.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60399 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-02 05:12:47 +00:00
Bill Wendling
b3833d1eb9 Implement ((A|B)&1)|(B&-2) -> (A&1) | B transformation. This also takes care of 
permutations of this pattern.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60312 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-01 01:07:11 +00:00
Bill Wendling
b01865c210 Add instruction combining for ((A&~B)|(~A&B)) -> A^B and all permutations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60291 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-30 13:52:49 +00:00
Bill Wendling
7f0ef6b325 Implement (A&((~A)|B)) -> A&B transformation in the instruction combiner. This 
takes care of all permutations of this pattern.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60290 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-30 13:08:13 +00:00
Eli Friedman
4e16b29a6b Moving potential optimizations out of PR2330 into lib/Target/README.txt. 
Hopefully this isn't too much stuff to dump into this file.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60285 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-30 07:36:04 +00:00
Nick Lewycky
d2f0db1b19 Also update the README. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60188 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-27 22:41:45 +00:00
Nick Lewycky
df563ca1f3 Add a synthetic missed optimization. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60186 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-27 22:12:22 +00:00
Torok Edwin
61df3b751a move the note to the correct README 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58104 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-24 19:23:07 +00:00
Torok Edwin
db1b3bc276 add note about va_arg code on x86 and x86-64 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58103 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-24 19:20:05 +00:00
Dan Gohman
cb747c558c This is now partly done. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57734 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-17 21:39:27 +00:00
Chris Lattner
3b364cb986 move PR1941 here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57586 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-15 16:33:52 +00:00
Chris Lattner
db03983238 move PR1604 here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57582 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-15 16:06:03 +00:00
Chris Lattner
f4fee2a976 move PR1488 into this file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57579 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-15 16:02:15 +00:00
Chris Lattner
b7fe708b32 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57557 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-15 05:53:25 +00:00
Chris Lattner
b1ac769873 this case is matched now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57096 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-05 02:16:12 +00:00
Chris Lattner
23f35bc3ae add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54985 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-19 06:22:16 +00:00
Chris Lattner
26e150f361 move some more stuff out of my email into readme.txt 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54603 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-10 01:14:08 +00:00
Chris Lattner
c90b866797 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54602 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-10 00:47:21 +00:00
Chris Lattner
10c5d36ca9 Add a note. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53535 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-14 00:19:59 +00:00
Nick Lewycky
517e1f5cd7 Peer through sext/zext when looking for not(cmp). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51819 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-31 19:01:33 +00:00
Nick Lewycky
4914db09a5 Yay us! Every one of these examples turns into icmp/zext/ret. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51818 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-31 18:20:26 +00:00
Chris Lattner
b5783106c4 trip count computation deficiency 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51222 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-17 15:37:38 +00:00
Nick Lewycky
8dd6505868 Moved from PR1570. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48965 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-30 19:07:11 +00:00
Chris Lattner
f70107fe1c add a note. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48583 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-20 04:46:13 +00:00
Chris Lattner
349155b671 various rotate fun. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48438 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-17 01:47:51 +00:00
Chris Lattner
53b7277917 another random note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47831 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-02 19:29:42 +00:00
Chris Lattner
a11deb0392 Move pr717 to here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47803 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-02 02:51:40 +00:00
Chris Lattner
e29536ca8d add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47720 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-28 17:21:27 +00:00
Chris Lattner
48840f8db9 target-indep codegen memcpy lowering issue. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47705 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-28 05:34:27 +00:00
Chris Lattner
7c4e9a44a4 upgrade some tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47280 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-18 18:46:39 +00:00
Nate Begeman
e9fe65c973 Add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47279 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-18 18:39:23 +00:00
Chris Lattner
65844fbd84 clarify a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45914 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-12 18:58:46 +00:00
Chris Lattner
497b7e97c0 add some notes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45854 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-11 06:17:47 +00:00
Chris Lattner
8372601521 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45837 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 18:25:41 +00:00
Chris Lattner
f61b63ec5b add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45766 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-09 00:17:57 +00:00
Chris Lattner
b3041948eb possible switch lowering improvement. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45720 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 21:38:14 +00:00
Chris Lattner
4e4e46143a add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45698 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 07:46:23 +00:00
Chris Lattner
a5e90d7b74 this is done. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45408 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-29 19:38:02 +00:00
Chris Lattner
92c06a01de expand note. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45393 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-29 01:05:01 +00:00
Chris Lattner
a1643ba71a add a note. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45388 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-28 22:30:05 +00:00
Chris Lattner
166a268656 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45377 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-28 04:42:05 +00:00
Christopher Lamb
30f017ad89 Fold certain additions through selects (and their compares) so as to eliminate subtractions. This code is often produced by the SMAX expansion in SCEV. 
This implements test/Transforms/InstCombine/2007-12-18-AddSelCmpSub.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45158 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-18 09:34:41 +00:00
Chris Lattner
fd2025e9db add a missed case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45141 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-18 01:19:18 +00:00
Chris Lattner
e70da20f9a implement a readme entry, compiling the code into: 
_foo:
	movl	$12, %eax
	andl	4(%esp), %eax
	movl	_array(%eax), %eax
	ret

instead of:

_foo:
	movl	4(%esp), %eax
	shrl	$2, %eax
	andl	$3, %eax
	movl	_array(,%eax,4), %eax
	ret

As it turns out, this triggers all the time, in a wide variety of
situations, for example, I see diffs like this in various programs:

-       movl    8(%eax), %eax
-       shll    $2, %eax
-       andl    $1020, %eax
-       movl    (%esi,%eax), %eax
+       movzbl  8(%eax), %eax
+       movl    (%esi,%eax,4), %eax


-       shll    $2, %edx
-       andl    $1020, %edx
-       movl    (%edi,%edx), %edx
+       andl    $255, %edx
+       movl    (%edi,%edx,4), %edx

Unfortunately, I also see stuff like this, which can be fixed in the
X86 backend:

-       andl    $85, %ebx
-       addl    _bit_count(,%ebx,4), %ebp
+       shll    $2, %ebx
+       andl    $340, %ebx
+       addl    _bit_count(%ebx), %ebp



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44656 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-06 07:33:36 +00:00
Chris Lattner
81f2d71d52 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44638 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-05 23:05:06 +00:00
Chris Lattner
e1bb6ab7b0 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42573 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-03 06:10:59 +00:00
Chris Lattner
f110a2bdb6 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36811 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-05 22:44:08 +00:00
Chris Lattner
5e14b0d3e6 the mason example is implemented. Move some examples out of llvm/test, 
upgrade the syntax of some other examples.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36806 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-05 22:29:06 +00:00
Chris Lattner
1a77a556cd add a bad case evan though of. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35296 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-24 06:01:32 +00:00
Chris Lattner
11a3a9d27d minor updates 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35143 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-18 22:41:33 +00:00
Nick Lewycky
7f4ba44f37 This is implemented. We now generate: 
entry:
        icmp ugt i32 %x, 4              ; <i1>:0 [#uses=1]
        br i1 %0, label %cond_true, label %cond_false

cond_true:              ; preds = %entry
        %tmp1 = tail call i32 (...)* @bar( i32 12 )             ; <i32> [#uses=0]
        ret void

cond_false:             ; preds = %entry
        switch i32 %x, label %cond_true15 [
                 i32 4, label %cond_true3
                 i32 3, label %cond_true7
                 i32 2, label %cond_true11
                 i32 0, label %cond_false17
        ]

...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35142 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-18 14:37:20 +00:00
Reid Spencer
ac9dcb94dd For PR1195: 
Change use of "packed" term to "vector" in comments, strings, variable
names, etc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34300 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-15 03:39:18 +00:00
Chris Lattner
36e37d2944 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34249 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-13 21:44:43 +00:00
Chris Lattner
03a6d96d32 add a note: we need whole-function selectiondags :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33252 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-16 06:39:48 +00:00
Reid Spencer
e4d87aa2de For PR950: 
This patch removes the SetCC instructions and replaces them with the ICmp
and FCmp instructions. The SetCondInst instruction has been removed and
been replaced with ICmpInst and FCmpInst.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32751 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-23 06:05:41 +00:00
Chris Lattner
a5546fbd10 Evan implemented the machineinstr improvements. 
The rot example works if the type is cast to ubyte.

Move sroa examples together and upgrade them to HEAD syntax.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32423 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-11 00:44:03 +00:00
Chris Lattner
f9bae438aa add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32347 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-08 02:01:32 +00:00
Chris Lattner
641c523599 done 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32013 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 07:21:46 +00:00
Chris Lattner
9b62b458c5 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31719 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-14 01:57:53 +00:00
Nick Lewycky
bf63734a1b Cute example from Chris Lattner. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31696 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-13 00:23:28 +00:00
Chris Lattner
578d2df84b add a note about viterbi 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31612 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-10 00:23:26 +00:00
Chris Lattner
8c97c07040 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31477 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-06 21:26:49 +00:00
Chris Lattner
d7c628de89 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31429 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-03 22:27:39 +00:00
Reid Spencer
1628cec4d7 For PR950: 
Make necessary changes to support DIV -> [SUF]Div. This changes llvm to
have three division instructions: signed, unsigned, floating point. The
bytecode and assembler are bacwards compatible, however.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31195 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-26 06:15:43 +00:00
Chris Lattner
cf10391a72 new bad case 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31156 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-24 16:12:47 +00:00
Chris Lattner
f308ea01d5 add a note about a general improvement to the code generator 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30642 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-28 06:01:17 +00:00
Chris Lattner
fb981f3fee more notes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30598 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-25 17:12:14 +00:00
Chris Lattner
f529b08c0d item done 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30483 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-19 06:19:03 +00:00
Chris Lattner
b33a42a21f This is closer to what we really want. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30451 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-18 04:54:35 +00:00
Chris Lattner
7ed96abc09 add a note noticed through source inspection 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30418 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-16 23:57:51 +00:00
Chris Lattner
cbce2f6c1b add a nate note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30399 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-15 20:31:36 +00:00
Chris Lattner
bf16982e86 We compile this into: 
_swap_16:
        slwi r2, r3, 24
        rlwimi r2, r3, 8, 8, 15
        srwi r3, r2, 16
        blr

now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29864 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-24 23:06:02 +00:00
Chris Lattner
ad69970c4a Owen implemented this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29863 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-24 23:03:33 +00:00
Chris Lattner
9e18ef5262 Add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28572 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-30 21:29:15 +00:00
Chris Lattner
e8263e6437 Add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28424 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-21 03:57:07 +00:00
Chris Lattner
f00f68ad0d Add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28402 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-19 21:01:38 +00:00
Chris Lattner
870cf1b715 Move a target-independent note out of the X86 readme. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28398 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-19 20:45:08 +00:00
Chris Lattner
16abfdfc22 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28384 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-18 18:26:13 +00:00
Chris Lattner
879acefed5 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27907 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-20 18:49:28 +00:00
Chris Lattner
5295122b0d New note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27337 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-02 01:47:20 +00:00
Chris Lattner
eaa7c06d86 ADd a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27324 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-01 04:08:29 +00:00
Evan Cheng
67d3d4c085 An entry about packed type alignments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27321 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-31 22:35:14 +00:00
Chris Lattner
e6cd96d467 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27076 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-24 19:59:17 +00:00
Chris Lattner
c04b423f14 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26950 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-22 07:33:46 +00:00
Evan Cheng
d3864b5743 Remind us of exit value substitution 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26862 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-19 06:09:23 +00:00
Nate Begeman
81e8097377 Remove BRTWOWAY* 
Make the PPC backend not dependent on BRTWOWAY_CC and make the branch
selector smarter about the code it generates, fixing a case in the
readme.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26814 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-17 01:40:33 +00:00
Chris Lattner
cbd3cdd239 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26762 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-14 19:31:24 +00:00
Chris Lattner
ad5a3a0265 transformation implemented 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26754 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-14 06:57:34 +00:00
Evan Cheng
e617b085fe Update 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26741 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-13 23:19:10 +00:00
Chris Lattner
2e8a77ff42 remove two implemented items 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26728 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-13 06:52:22 +00:00
Chris Lattner
74cfb7d7b3 add an example 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26709 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-11 20:20:40 +00:00
Chris Lattner
c20995e070 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26708 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-11 20:17:08 +00:00
Chris Lattner
82c78b2f7e add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26661 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-09 20:13:21 +00:00
Chris Lattner
549f27d235 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26583 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-07 02:46:26 +00:00
Chris Lattner
5b0fe7d91d add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26549 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-05 20:00:08 +00:00
Chris Lattner
9f17be690e Implemented. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26536 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-04 23:33:44 +00:00
Chris Lattner
ad01993194 Add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26523 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-04 08:44:51 +00:00
Chris Lattner
b27b69f283 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26513 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-04 01:19:34 +00:00
Chris Lattner
89188a1096 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26472 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-02 22:34:38 +00:00
Chris Lattner
a1532bc283 missed optzn 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26299 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-21 18:29:44 +00:00
Evan Cheng
fe1c31204e Remove an entry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26222 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-15 22:14:34 +00:00
Chris Lattner
5946fef1db new test 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26217 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-15 19:52:06 +00:00
Chris Lattner
33872c99be This xform isn't safe 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26007 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 08:26:16 +00:00
Chris Lattner
176f0416d1 some stuff is done 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26004 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 07:54:37 +00:00
Chris Lattner
e7b06c65ba another case Nate came up with 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25943 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-03 22:05:41 +00:00
Chris Lattner
f92bafa2ca add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25942 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-03 21:25:23 +00:00
Chris Lattner
086c014efe target independent notes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25929 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-03 06:21:43 +00:00