Comments (3)
Probably we could first try hard to simplify the quries sent to the solver? I have a little concern about hiding bugs because I had a very bad experience on that when I did our optimization harvester stuff long time ago.
from souper.
I agree that hiding bugs is very bad. Perhaps there is some reliable way to distinguish OOM errors. I'll think about it. Yang, I'm sure you remember from Csmith/C-Reduce how hard it can be to determine why something crashed, though here we're solving a more constrained problem.
I'm personally not interested in trying to simplify queries. Solvers such as Z3 already have very sophisticated optimizers.
We should, of course, ensure that Souper's output is not gratuitously stupid in any way.
from souper.
You are right. I agree that we shouldn't put more effort on simplifying queries.
from souper.
Related Issues (20)
- Souper crash in codegen from valid transformation HOT 5
- Assertion failed: (EB.get(&I)->hasOrigin(&I)), function ExtractExprCandidates, file .../lib/Extractor/Candidates.cpp, line 1025 HOT 6
- ICE: Assertion `false && "Phi with muliple arguments unimplemented"' failed HOT 1
- Instruction does not dominate all uses!
- Not deterministic SMT query string HOT 1
- Build failure HOT 1
- use error HOT 5
- LLVM Test Suite test failure with NO_INFER
- Build failure HOT 2
- futur m1 support ?
- Better spreading SMT solver load?
- [alive2] `IfNonPoison` removed upstream HOT 1
- Souper fails to turn multiplication by a power of two into a shift? HOT 3
- building for m1 HOT 2
- Packaging Souper HOT 1
- Possible bugs when generating inputs for dataflow pruning HOT 3
- Rgiht way to use souper HOT 2
- Hi, Is this superoptimizer hardware irrelvant? HOT 4
- Question about Souper IR's advantage compare to LLVM IR? HOT 1
- not found klee and alive2
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from souper.