[NVVMReflect] Improve folding inside of the NVVMReflect pass #81253
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Summary: The previous patch did very simple folding that only worked for driectly used branches. This patch improves this by traversing the use-def chain to sipmlify every constant subexpression until it reaches a terminator we can delete. The support should work for all expected cases now.
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Summary:
The previous patch did very simple folding that only worked for driectly
used branches. This patch improves this by traversing the use-def chain
to sipmlify every constant subexpression until it reaches a terminator
we can delete. The support should work for all expected cases now.