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3 Commits

Author SHA1 Message Date
Alastair Donaldson
60ce96e2ff
spirv-fuzz: Add pass recommendations (#3757) 
This change introduces various strategies for controlling the manner
in which fuzzer passes are applied repeatedly, including infrastructure
to allow fuzzer passes to be recommended based on which passes ran
previously.
 2020-09-18 15:51:35 +01:00
Stefano Milizia
2945963cce
spirv-fuzz: Consider all ids from dead blocks irrelevant (#3795) 
This PR modifies the FactManager methods IdIsIrrelevant and GetIrrelevantIds so
that an id is always considered irrelevant if it comes from a dead block.

Fixes #3733.
 2020-09-18 11:45:02 +01:00
Antoni Karpiński
a711c594b8
spirv-fuzz: add FuzzerPassAddCompositeInserts (#3606) 
Adds FuzzerPassAddCompositeInserts, which randomly adds new
OpCompositeInsert instructions. Each OpCompositeInsert instruction
yields a copy of an original composite with one subcomponent replaced
with an existing or newly added object. Synonym facts are added for the
unchanged components in the original and added composite, and for the
replaced subcomponent and the object, if possible.

Fixes #2859
 2020-08-19 13:56:03 +01:00