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3 Commits

Author SHA1 Message Date
Vasyl Teliman
36185f8b09
spirv-fuzz: Move IRContext parameter into constructor (#3837) 
This PR converts IRContext parameter in fact managers into a class field. Part of #3698.
 2020-09-24 12:27:59 +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
Stefano Milizia
3daabd3212
spirv-fuzz: Transformation to replace the use of an irrelevant id (#3697) 
A transformation that replaces the use of an irrelevant id with
another id of the same type.

The related fuzzer pass, for every use of an irrelevant id,
checks whether the id can be replaced in that use by another
id of the same type and randomly decides whether to replace
it.

Fixes #3503.
 2020-09-01 16:28:04 +01:00