| Issue |
130885
|
| Summary |
How to get all fine grained optimization options of the LLVM optimizer opt -Ox (O1/O2/Os/O3...)
|
| Labels |
new issue
|
| Assignees |
|
| Reporter |
cpython-java
|
I found an opt-Ox bug, but I don't know which optimization step is causing the bug, in order to figure this out, I need to know all the fine-grained optimization options for opt-Ox, and then verify which optimization step the bug is in by trying to disable some of the fine-grained options.
I tried one way:
opt -Ox -debug -debug-pass=Arguments
However, this command does not work with all versions of opt, for some versions of opt it will report errors, and even for versions that do not report errors, I am not sure whether the output of this command is all optimization options and does not include non-optimization necessary execution options.
Hope a friend can help me!
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