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8408add00a
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78 Commits

Author SHA1 Message Date
Chris Lattner
8408add00a Add optimizations: 
- (A & C1)+(B & C2) -> (A & C1)|(B & C2) iff C1&C2 == 0
 - (A & C1)^(B & C2) -> (A & C1)|(B & C2) iff C1&C2 == 0


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5741 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-10 23:52:54 +00:00
Chris Lattner
533741a764 Add testcases for negated multiplies 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5739 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-10 23:22:50 +00:00
Chris Lattner
0cec701eb2 Add test for demorgans law with constants 
Add test for other form of demorgans


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5737 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-10 23:13:32 +00:00
Chris Lattner
1b77300154 * Add testcases for associative operators 
* Add testcase for or ubyte, 255 which was broken before


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5735 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-10 22:43:56 +00:00
Chris Lattner
2bd37807d0 Modernize testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5732 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-10 19:44:01 +00:00
Chris Lattner
c232870b6f Add a bunch of new tests 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5730 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-10 19:16:20 +00:00
Chris Lattner
63a9548591 Add test for: (A|B)^B == A & (~B) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5727 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-10 18:24:04 +00:00
Chris Lattner
a66e2fa195 Modernize testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5726 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-10 18:20:53 +00:00
Chris Lattner
556b50c193 Add a link to source of inspiration 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5707 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-05 23:02:25 +00:00
Chris Lattner
2fc36e42ca New testcase for pow builtin recognition 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5706 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-05 22:56:59 +00:00
Chris Lattner
8e019aa9c9 Add another testcase that may eventually be handled... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5705 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-05 22:50:55 +00:00
Chris Lattner
4872eaf189 Add testcase for new instcombine xform 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5703 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-05 22:32:48 +00:00
Chris Lattner
fa59079c3c Add new testcases 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5591 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-18 19:55:31 +00:00
Chris Lattner
b19fa8d3d6 Modernize testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5590 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-18 19:43:53 +00:00
Chris Lattner
e14e50d76b Modernize testcases 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5589 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-18 19:43:21 +00:00
Chris Lattner
5640f33331 test for a variety of new transformations: 
* A & ~A == 0
  * A / (2^c) == A >> c  if unsigned
  * 0 / A == 0
  * 1.0 * A == A
  * A * (2^c) == A << c
  * A ^ ~A == -1
  * A | ~A == -1
  * 0 % X = 0
  * A % (2^c) == A & (c-1) if unsigned
  * A - (A & B) == A & ~B
  * -1 - A == ~A


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5588 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-18 19:28:47 +00:00
Chris Lattner
07928ef7f5 modernize testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5586 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-18 19:16:45 +00:00
Chris Lattner
f63355327a Modernize testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5585 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-02-18 18:06:44 +00:00
Chris Lattner
c41ab22492 New testcase pointed out by Casey Carter 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4934 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-05 22:25:47 +00:00
Chris Lattner
a3c4ba427b Add new getelementptr elimination test 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4535 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-11-04 16:35:14 +00:00
Chris Lattner
0eaaa56f1f New testcase for malloc promotion 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4533 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-11-04 16:18:07 +00:00
Chris Lattner
af1b4ad24c Add new testcase for arithmetic shr of -1 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4069 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-08 16:10:35 +00:00
Chris Lattner
2e217a7d96 This test was mistakenly matching 'predecessors' that the new asmwriter 
spits out


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4068 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-08 16:09:47 +00:00
Chris Lattner
aaab467e44 Convert to using long indexes instead of uint 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3898 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-23 23:41:53 +00:00
Chris Lattner
a30b70f381 Add some more testcases for things to get optimized away 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3896 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-23 23:39:17 +00:00
Chris Lattner
44404ec89d New regression test 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3782 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-17 21:02:24 +00:00
Chris Lattner
db5e5df43a Convert to use long indexes instead of uint 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3781 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-17 20:47:46 +00:00
Chris Lattner
dabb94adc1 Check for cannonicalization of shl X, 1 -> add X, X 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3670 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-10 23:03:10 +00:00
Chris Lattner
5862173c84 Testcase no longer applicable since shifts of pointers are no longer allowed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3629 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-09 03:43:09 +00:00
Chris Lattner
e083a1d695 Eliminate multiply of pointer type 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3628 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-09 03:42:14 +00:00
Chris Lattner
05eb9581b2 New testcase for a bug identified by Vikram 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3625 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-08 21:37:49 +00:00
Chris Lattner
31901f80f8 Test that demorgan's law is instcombined successfully 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3494 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-23 18:31:18 +00:00
Chris Lattner
b81258c278 Add new testcases for instcombine 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3477 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-22 21:26:15 +00:00
Chris Lattner
472e8086cc Convert testcases to not use indexed loads/stores 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3459 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-22 16:39:12 +00:00
Chris Lattner
d92ac5ae01 Add testcase for the not (setcc A, B) case 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3418 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-21 17:11:18 +00:00
Chris Lattner
41ca3f8ee4 Fix buggy testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3403 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-20 17:07:02 +00:00
Chris Lattner
dce9427985 New testcase for instcombine 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3396 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-20 15:27:45 +00:00
Chris Lattner
edf6a84a75 Add new testcase for gep instruction -> get constexpr promotion 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3364 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-16 21:18:21 +00:00
Chris Lattner
9edfe8aa18 Add another testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3355 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-15 19:38:03 +00:00
Chris Lattner
8decbcbbfe Add a bunch of testcases for cast-of-casts that should be removed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3345 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-15 16:13:29 +00:00
Chris Lattner
8360d0922a Fix testcase to actually test what we think we are 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3338 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-14 23:01:19 +00:00
Chris Lattner
500888b7e8 Remove illegal test now that not instruction does not exist. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3312 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-14 17:44:00 +00:00
Chris Lattner
3a6c063699 Make sure there is SOME output always so the test is not rerun when unneccesary. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3311 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-14 17:38:15 +00:00
Chris Lattner
23fbe30bc3 The not instruction is just a specialized form of XOR 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3310 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-14 17:37:04 +00:00
Chris Lattner
ad1023b3cc Add comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3287 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-12 19:18:49 +00:00
Chris Lattner
42dbd3044c xor x, ALLONES should -> not x 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3285 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-09 23:34:39 +00:00
Chris Lattner
22fae29835 setcc of booleans should always be eliminated 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3284 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-09 23:34:18 +00:00
Chris Lattner
f8e2cf9221 Add more strength reduction testcases 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3283 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-09 23:33:58 +00:00
Chris Lattner
7d20fe3727 Testcase for stuff instcombine should do eventually 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3240 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-03 20:30:26 +00:00
Chris Lattner
d3e7929626 Add some more features that we could instcombine away 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3239 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-08-03 20:24:58 +00:00