Chris Lattner
8fce16ef1a
Do not return success after checking only the FIRST USE of a gep instruction.
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Instead, check all uses.
This fixes bug: ScalarRepl/2003-09-12-IncorrectPromote.ll
This also fixes the miscompilation of Ptrdist/bc
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8493 91177308-0d34-0410-b5e6-96231b3b80d8
2003-09-12 16:02:12 +00:00
Chris Lattner
fe7ea0da17
Minor optimization efficiency improvement:
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- Run mem2reg promotion first
- Only rerun passes if the previous thing changed something
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8490 91177308-0d34-0410-b5e6-96231b3b80d8
2003-09-12 15:36:03 +00:00
Misha Brukman
3cfb6b13c0
Apostrophes are only used for possession and quoting.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8473 91177308-0d34-0410-b5e6-96231b3b80d8
2003-09-11 16:58:31 +00:00
Chris Lattner
38aec32560
Integrate functionality of the mem2reg pass directly into this pass to make
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the combination more effective
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8471 91177308-0d34-0410-b5e6-96231b3b80d8
2003-09-11 16:45:55 +00:00
Chris Lattner
a15854c9fe
ScalarRepl does not modify the CFG. Say so!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8243 91177308-0d34-0410-b5e6-96231b3b80d8
2003-08-31 00:45:13 +00:00
Chris Lattner
6806f5614d
DEBUG got moved to Support/Debug.h
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7492 91177308-0d34-0410-b5e6-96231b3b80d8
2003-08-01 22:15:03 +00:00
Chris Lattner
c07736a397
Simplify code by using ConstantInt::getRawValue instead of checking to see
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whether the constant is signed or unsigned, then casting
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7252 91177308-0d34-0410-b5e6-96231b3b80d8
2003-07-23 15:22:26 +00:00
Chris Lattner
b37923f9a1
Okay totally give up on trying to optimize aggregates that cannot be completely
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broken up into their elements. Too many programs break because of this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6440 91177308-0d34-0410-b5e6-96231b3b80d8
2003-05-30 19:22:14 +00:00
Chris Lattner
26d2ca1d13
add a check that allows the SRoA pass to avoid breaking programs, even if their
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behavior is technically undefined
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6438 91177308-0d34-0410-b5e6-96231b3b80d8
2003-05-30 18:09:57 +00:00
Chris Lattner
261d686737
Fix bug: ScalarRepl/2003-05-30-MultiLevel.ll
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6428 91177308-0d34-0410-b5e6-96231b3b80d8
2003-05-30 05:26:30 +00:00
Chris Lattner
5e062a1eda
Fix bug: ScalarRepl/2003-05-29-ArrayFail.ll
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6425 91177308-0d34-0410-b5e6-96231b3b80d8
2003-05-30 04:15:41 +00:00
Chris Lattner
d10376bee5
* Actually USE the statistic that we made
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* Implement SRoA for arrays
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6349 91177308-0d34-0410-b5e6-96231b3b80d8
2003-05-27 16:09:27 +00:00
Chris Lattner
ed7b41ea90
Implementation of the simple "scalar replacement of aggregates" transformation
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6346 91177308-0d34-0410-b5e6-96231b3b80d8
2003-05-27 15:45:27 +00:00
