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Align chains semantics with the specification #43

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a75bb0e
Align chains semantics with the specification
natgavrilenko Jul 7, 2025
d68c60f
Chain tests cleanup and new test with decreasing avalability scope
natgavrilenko Jul 23, 2025
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8 changes: 4 additions & 4 deletions alloy/spirv.als
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Original file line number Diff line number Diff line change
Expand Up @@ -355,14 +355,14 @@ sig Exec {
// is not supported by ANDing with the identity relation.
avsg = stor[AVSG]
avwg = (chains & (rc[avsg . (hb & ssg & avvisinc)])) . (stor[AVWG])
avqf = (chains & (rc[avsg . (hb & ssg & avvisinc)]) . (rc[avwg . (hb & swg & avvisinc)])) . (stor[AVQF])
avsh = (chains & (rc[avsg . (hb & ssg & avvisinc)]) . (rc[avwg . (hb & swg & avvisinc)]) . (rc[avqf . (hb & sqf & avvisinc)])) . (stor[AVSHADER])
avqf = (chains & ((rc[avsg . (hb & ssg & avvisinc)]) + (rc[avwg . (hb & swg & avvisinc)]))) . (stor[AVQF])
avsh = (chains & ((rc[avsg . (hb & ssg & avvisinc)]) + (rc[avwg . (hb & swg & avvisinc)]) + (rc[avqf . (hb & sqf & avvisinc)]))) . (stor[AVSHADER])
avdv = stor[AVDEVICE]

vissg = stor[VISSG]
viswg = (stor[VISWG]) . (chains & (rc[(hb & ssg & avvisinc) . vissg]))
visqf = (stor[VISQF]) . (chains & (rc[(hb & swg & avvisinc) . viswg]) . (rc[(hb & ssg & avvisinc) . vissg]))
vissh = (stor[VISSHADER]) . (chains & (rc[(hb & sqf & avvisinc) . visqf]) . (rc[(hb & swg & avvisinc) . viswg]) . (rc[(hb & ssg & avvisinc) . vissg]))
visqf = (stor[VISQF]) . (chains & ((rc[(hb & swg & avvisinc) . viswg]) + (rc[(hb & ssg & avvisinc) . vissg])))
vissh = (stor[VISSHADER]) . (chains & ((rc[(hb & sqf & avvisinc) . visqf]) + (rc[(hb & swg & avvisinc) . viswg]) + (rc[(hb & ssg & avvisinc) . vissg])))
visdv = stor[VISDEVICE]

locord = sloc & // relates memory accesses to the same location
Expand Down
26 changes: 26 additions & 0 deletions alloy/tests/chains1.test
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Original file line number Diff line number Diff line change
@@ -0,0 +1,26 @@
// Copyright (c) 2025 Khronos Group. This work is licensed under a
// Creative Commons Attribution 4.0 International License; see
// http://creativecommons.org/licenses/by/4.0/

NEWWG
NEWSG
NEWTHREAD
st.atom.rel.scopesg.sc0.semsc0 a = 1
NEWTHREAD
ld.atom.acq.scopesg.sc0.semsc0 a = 1
st.atom.rel.scopesg.sc1.semsc0.semsc1.semav b = 1
NEWTHREAD
ld.atom.acq.scopesg.sc1.semsc1 b = 1
ld.atom.acq.scopesg.sc0.semsc0.semsc1.semvis a = 0
st.atom.rel.scopewg.sc0.semsc0.semsc1.semav c = 1
NEWSG
NEWTHREAD
ld.atom.acq.scopewg.sc0.semsc0 c = 1
st.atom.rel.scopeqf.sc1.semsc0.semsc1.semav d = 1
NEWWG
NEWSG
NEWTHREAD
ld.atom.acq.scopeqf.sc1.semsc0.semsc1 d = 1

SATISFIABLE consistent[X] && #dr=0
NOSOLUTION consistent[X] && #dr>0
26 changes: 26 additions & 0 deletions alloy/tests/chains2.test
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Original file line number Diff line number Diff line change
@@ -0,0 +1,26 @@
// Copyright (c) 2025 Khronos Group. This work is licensed under a
// Creative Commons Attribution 4.0 International License; see
// http://creativecommons.org/licenses/by/4.0/

NEWWG
NEWSG
NEWTHREAD
st.atom.rel.scopesg.sc0.semsc0 a = 1
NEWTHREAD
ld.atom.acq.scopesg.sc0.semsc0 a = 1
st.atom.rel.scopesg.sc1.semsc0.semsc1.semav b = 1
NEWTHREAD
ld.atom.acq.scopesg.sc1.semsc1 b = 1
st.atom.rel.scopewg.sc0.semsc0.semsc1.semav c = 1
NEWSG
NEWTHREAD
ld.atom.acq.scopewg.sc0.semsc0 c = 1
ld.atom.acq.scopewg.sc0.semsc0.semsc1.semvis a = 0
st.atom.rel.scopeqf.sc1.semsc0.semsc1.semav d = 1
NEWWG
NEWSG
NEWTHREAD
ld.atom.acq.scopeqf.sc1.semsc0.semsc1 d = 1

SATISFIABLE consistent[X] && #dr>0
NOSOLUTION consistent[X] && #dr=0
26 changes: 26 additions & 0 deletions alloy/tests/chains3.test
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Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,26 @@
// Copyright (c) 2025 Khronos Group. This work is licensed under a
// Creative Commons Attribution 4.0 International License; see
// http://creativecommons.org/licenses/by/4.0/

NEWWG
NEWSG
NEWTHREAD
st.atom.rel.scopesg.sc0.semsc0 a = 1
NEWTHREAD
ld.atom.acq.scopesg.sc0.semsc0 a = 1
st.atom.rel.scopesg.sc1.semsc0.semsc1.semav b = 1
NEWTHREAD
ld.atom.acq.scopesg.sc1.semsc1 b = 1
st.atom.rel.scopewg.sc0.semsc0.semsc1.semav c = 1
NEWSG
NEWTHREAD
ld.atom.acq.scopewg.sc0.semsc0 c = 1
st.atom.rel.scopeqf.sc1.semsc0.semsc1.semav d = 1
NEWWG
NEWSG
NEWTHREAD
ld.atom.acq.scopeqf.sc1.semsc0.semsc1 d = 1
ld.atom.acq.scopeqf.sc0.semsc0.semsc1.semvis a = 0

SATISFIABLE consistent[X] && #dr>0
NOSOLUTION consistent[X] && #dr=0
24 changes: 24 additions & 0 deletions alloy/tests/chains4.test
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Original file line number Diff line number Diff line change
@@ -0,0 +1,24 @@
// Copyright (c) 2025 Khronos Group. This work is licensed under a
// Creative Commons Attribution 4.0 International License; see
// http://creativecommons.org/licenses/by/4.0/

NEWQF
NEWWG
NEWSG
NEWTHREAD
st.atom.rel.scopesg.sc0.semsc0 a = 1
NEWTHREAD
ld.atom.acq.scopesg.sc0.semsc0 a = 1
st.atom.rel.scopewg.sc1.semsc0.semsc1.semav b = 1
NEWSG
NEWTHREAD
ld.atom.acq.scopewg.sc1.semsc1 b = 1
st.atom.rel.scopedev.sc0.semsc0.semsc1.semav c = 1
NEWQF
NEWWG
NEWSG
NEWTHREAD
ld.atom.acq.scopedev.sc0.semsc0 c = 1
ld.atom.scopedev.sc0 a = 0

NOSOLUTION consistent[X]
33 changes: 33 additions & 0 deletions alloy/tests/chains5.test
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Original file line number Diff line number Diff line change
@@ -0,0 +1,33 @@
// Copyright (c) 2025 Khronos Group. This work is licensed under a
// Creative Commons Attribution 4.0 International License; see
// http://creativecommons.org/licenses/by/4.0/

NEWWG
NEWSG
NEWTHREAD
st.atom.rel.scopewg.sc0.semsc0 a = 1
NEWSG
NEWTHREAD
ld.atom.acq.scopewg.sc0.semsc0 a = 1
st.atom.rel.scopesg.sc1.semsc0.semsc1.semav b = 1
NEWTHREAD
ld.atom.acq.scopesg.sc1.semsc1 b = 1
st.atom.rel.scopewg.sc0.semsc0.semsc1.semav c = 1
NEWSG
NEWTHREAD
ld.atom.acq.scopewg.sc0.semsc0 c = 1
st.atom.rel.scopeqf.sc1.semsc0.semsc1.semav d = 1
NEWWG
NEWSG
NEWTHREAD
ld.atom.acq.scopeqf.sc1.semsc1 d = 1
st.atom.rel.scopedev.sc0.semsc0.semsc1.semav e = 1
NEWQF
NEWWG
NEWSG
NEWTHREAD
ld.atom.acq.scopedev.sc0.semsc0 e = 1
ld.atom.acq.scopedev.sc0.semsc0.semsc1.semvis a = 0

SATISFIABLE consistent[X] && #dr>0
NOSOLUTION consistent[X] && #dr=0