Commit Graph

7 Commits

Author SHA1 Message Date
Alastair Donaldson
502e982956
spirv-fuzz: Fix to TransformationInlineFunction (#3913)
This fixes a problem where TransformationInlineFunction could lead to
distinct instructions having identical unique ids. It adds a validity
check to detect this problem in general.

Fixes #3911.
2020-10-16 22:58:09 +01:00
Alastair Donaldson
3602287858
spirv-fuzz: Do not add synonyms involving irrelevant ids (#3890)
Fixes #3886.
2020-10-08 22:34:39 +01:00
Vasyl Teliman
16cc197c8c
spirv-fuzz: Refactor conditions in the fact manager (#3867)
Refactors conditions and names of some methods in the fact manager. Part of #3698.
2020-10-01 11:48:47 +01:00
Alastair Donaldson
fcb22ecf0f
spirv-fuzz: Report fresh ids in transformations (#3856)
Adds a virtual method, GetFreshIds(), to Transformation. Every
transformation uses this to indicate which ids in its protobuf message
are fresh ids. This means that when replaying a sequence of
transformations the replayer can obtain a smallest id that is not in
use by the module already and that will not be used by any
transformation by necessity. Ids greater than or equal to this id
can be used as overflow ids.

Fixes #3851.
2020-09-29 22:12:49 +01:00
Alastair Donaldson
9edeeafdb6
spirv-fuzz: Use unique_ptr<FactManager> in TransformationContext (#3844)
TransformationContext now holds a std::unique_ptr to a FactManager,
rather than a plain pointer. This makes it easier for clients of
TransformationContext to work with heap-allocated instances of
TransformationContext, which is needed in some upcoming work.
2020-09-24 17:28:49 +01:00
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
08291a3a9e
spirv-fuzz: Create synonym via OpPhi and existing synonyms (#3701)
A transformation that adds new OpPhi instructions to blocks with >=1
predecessors, so that its value depends on previously-defined ids of
the right type, which are all synonymous. This instruction is also
recorded as synonymous to the others.

The related fuzzer pass still needs to be implemented.

Fixes #3592 .
2020-08-27 15:59:54 +01:00