Chris Lattner
5feab1631f
Add new test for inverting branches
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6598 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-04 04:37:46 +00:00
Chris Lattner
be0fe12f72
Test limited reassociation
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5742 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-11 00:10:59 +00:00
Chris Lattner
8408add00a
Add optimizations:
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- (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
1b77300154
* Add testcases for associative operators
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* 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
63a9548591
Add test for: (A|B)^B == A & (~B)
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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
5640f33331
test for a variety of new transformations:
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* 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
f63355327a
Modernize testcase
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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
2e217a7d96
This test was mistakenly matching 'predecessors' that the new asmwriter
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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
500888b7e8
Remove illegal test now that not instruction does not exist.
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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
42dbd3044c
xor x, ALLONES should -> not x
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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
4a6e4b30b4
These tests should not run -dce pass to cleanup instcombine.
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If instcombine is making dead instructions, ALL that should be used is -die
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3221 91177308-0d34-0410-b5e6-96231b3b80d8
2002-08-02 19:27:58 +00:00
Chris Lattner
829b79dd8c
More testcases I don't want to forget about
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2480 91177308-0d34-0410-b5e6-96231b3b80d8
2002-05-06 05:51:26 +00:00
Chris Lattner
33a90b18e0
New testcases so I don't forget about these algebraic simplifications
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2479 91177308-0d34-0410-b5e6-96231b3b80d8
2002-05-06 05:43:36 +00:00
