Try to fix frontend `SimplifyDefUse` pass by kfcripps · Pull Request #6 · kfcripps/p4c

kfcripps · 2024-07-10T21:08:34Z

No description provided.

kfcripps · 2024-07-15T03:51:06Z

Breakpoint 1, Util::CompilerBug::CompilerBug<P4::ProgramPoint&> (this=0x14ba5bbf0, line=32767, file=0x7fffffffbf80 "", format=0x7ff8779f8108 "") at /local/kfcripps/repos/p4c/lib/exceptions.h:101
101         CompilerBug(int line, const char *file, const char *format, Args &&...args)
(gdb) bt
#0  Util::CompilerBug::CompilerBug<P4::ProgramPoint&> (this=0x14ba5bbf0, line=32767, file=0x7fffffffbf80 "", format=0x7ff8779f8108 "") at /local/kfcripps/repos/p4c/lib/exceptions.h:101
#1  0x0000555557176342 in P4::AllDefinitions::setDefinitionsAt (this=0x7ff879b9f480, point=..., defs=0x7ff879bb2280, overwrite=false) at /local/kfcripps/repos/p4c/frontends/p4/def_use.h:481
#2  0x0000555557310a6b in P4::ComputeWriteSet::setDefinitions (this=0x7ff879ba6380, defs=0x7ff879bb2280, node=0x0, overwrite=false) at /local/kfcripps/repos/p4c/frontends/p4/def_use.cpp:477
#3  0x0000555557314b94 in P4::ComputeWriteSet::preorder (this=0x7ff879ba6380, statement=0x7ff87799d640) at /local/kfcripps/repos/p4c/frontends/p4/def_use.cpp:940
#4  0x00005555573ddfa3 in IR::BlockStatement::apply_visitor_preorder (this=0x7ff87799d640, v=...) at /local/kfcripps/repos/p4c/ir/visitor.cpp:742
#5  0x000055555738fc96 in Inspector::apply_visitor (this=0x7ff879ba6380, n=0x7ff87799d640, name=0x0) at /local/kfcripps/repos/p4c/ir/visitor.cpp:513
#6  0x00005555569f8470 in Visitor::visit (this=0x7ff879ba64e8, n=@0x7fffffffc130: 0x7ff87799d640, name=0x0) at /local/kfcripps/repos/p4c/ir/visitor.h:124
#7  0x0000555557408dcb in Visitor::visit (this=0x7ff879ba64e8, n=@0x7ff87874fe48: 0x7ff87799d640, name=0x0) at /local/kfcripps/repos/p4c/ir/visitor.cpp:764
#8  0x0000555557315751 in P4::ComputeWriteSet::preorder (this=0x7ff879ba6380, statement=0x7ff879614b60) at /local/kfcripps/repos/p4c/frontends/p4/def_use.cpp:1007
#9  0x00005555573dea41 in IR::SwitchStatement::apply_visitor_preorder (this=0x7ff879614b60, v=...) at /local/kfcripps/repos/p4c/ir/visitor.cpp:742
#10 0x000055555738fc96 in Inspector::apply_visitor (this=0x7ff879ba6380, n=0x7ff879614b60, name=0x0) at /local/kfcripps/repos/p4c/ir/visitor.cpp:513
#11 0x00005555569f8470 in Visitor::visit (this=0x7ff879ba64e8, n=@0x7fffffffc340: 0x7ff879614b60, name=0x0) at /local/kfcripps/repos/p4c/ir/visitor.h:124
#12 0x00005555573ec467 in Visitor::visit (this=0x7ff879ba64e8, n=@0x7ff879991110: 0x7ff879614b60, name=0x0) at /local/kfcripps/repos/p4c/ir/visitor.cpp:764
#13 0x0000555556a06672 in IR::IndexedVector<IR::StatOrDecl>::visit_children (this=0x7ff8799c9048, v=...) at /local/kfcripps/repos/p4c/ir/ir-inline.h:182
#14 0x00005555569f85d6 in Visitor::visit (this=0x7ff879ba64e8, n=..., name=0x5555579a6e71 "components") at /local/kfcripps/repos/p4c/ir/visitor.h:151
#15 0x0000555557314b76 in P4::ComputeWriteSet::preorder (this=0x7ff879ba6380, statement=0x7ff8799c9000) at /local/kfcripps/repos/p4c/frontends/p4/def_use.cpp:939
#16 0x00005555573ddfa3 in IR::BlockStatement::apply_visitor_preorder (this=0x7ff8799c9000, v=...) at /local/kfcripps/repos/p4c/ir/visitor.cpp:742
#17 0x000055555738fc96 in Inspector::apply_visitor (this=0x7ff879ba6380, n=0x7ff8799c9000, name=0x0) at /local/kfcripps/repos/p4c/ir/visitor.cpp:513
#18 0x00005555569f8470 in Visitor::visit (this=0x7ff879ba64e8, n=@0x7fffffffc500: 0x7ff8799c9000, name=0x0) at /local/kfcripps/repos/p4c/ir/visitor.h:124
#19 0x0000555557408dcb in Visitor::visit (this=0x7ff879ba64e8, n=@0x7ff879a06748: 0x7ff8799c9000, name=0x0) at /local/kfcripps/repos/p4c/ir/visitor.cpp:764
#20 0x0000555557315751 in P4::ComputeWriteSet::preorder (this=0x7ff879ba6380, statement=0x7ff879a03460) at /local/kfcripps/repos/p4c/frontends/p4/def_use.cpp:1007
#21 0x00005555573dea41 in IR::SwitchStatement::apply_visitor_preorder (this=0x7ff879a03460, v=...) at /local/kfcripps/repos/p4c/ir/visitor.cpp:742
#22 0x000055555738fc96 in Inspector::apply_visitor (this=0x7ff879ba6380, n=0x7ff879a03460, name=0x0) at /local/kfcripps/repos/p4c/ir/visitor.cpp:513
#23 0x00005555569f8470 in Visitor::visit (this=0x7ff879ba64e8, n=@0x7fffffffc710: 0x7ff879a03460, name=0x0) at /local/kfcripps/repos/p4c/ir/visitor.h:124
#24 0x00005555573ec467 in Visitor::visit (this=0x7ff879ba64e8, n=@0x7ff8799911d0: 0x7ff879a03460, name=0x0) at /local/kfcripps/repos/p4c/ir/visitor.cpp:764
#25 0x0000555556a06672 in IR::IndexedVector<IR::StatOrDecl>::visit_children (this=0x7ff8799c9548, v=...) at /local/kfcripps/repos/p4c/ir/ir-inline.h:182
#26 0x00005555569f85d6 in Visitor::visit (this=0x7ff879ba64e8, n=..., name=0x5555579a6e71 "components") at /local/kfcripps/repos/p4c/ir/visitor.h:151
#27 0x0000555557314b76 in P4::ComputeWriteSet::preorder (this=0x7ff879ba6380, statement=0x7ff8799c9500) at /local/kfcripps/repos/p4c/frontends/p4/def_use.cpp:939
#28 0x00005555573ddfa3 in IR::BlockStatement::apply_visitor_preorder (this=0x7ff8799c9500, v=...) at /local/kfcripps/repos/p4c/ir/visitor.cpp:742
#29 0x000055555738fc96 in Inspector::apply_visitor (this=0x7ff879ba6380, n=0x7ff8799c9500, name=0x0) at /local/kfcripps/repos/p4c/ir/visitor.cpp:513
#30 0x00005555569f8470 in Visitor::visit (this=0x7ff879ba64e8, n=@0x7fffffffc8d0: 0x7ff8799c9500, name=0x0) at /local/kfcripps/repos/p4c/ir/visitor.h:124
#31 0x000055555740a6db in Visitor::visit (this=0x7ff879ba64e8, n=@0x7ff879ba66a0: 0x7ff8799c9500, name=0x0) at /local/kfcripps/repos/p4c/ir/visitor.cpp:764
#32 0x0000555557313bca in P4::ComputeWriteSet::preorder (this=0x7ff879ba6380, control=0x7ff879ba6540) at /local/kfcripps/repos/p4c/frontends/p4/def_use.cpp:852
#33 0x00005555573d7901 in IR::P4Control::apply_visitor_preorder (this=0x7ff879ba6540, v=...) at /local/kfcripps/repos/p4c/ir/visitor.cpp:742
#34 0x000055555738fc96 in Inspector::apply_visitor (this=0x7ff879ba6380, n=0x7ff879ba6540, name=0x0) at /local/kfcripps/repos/p4c/ir/visitor.cpp:513
#35 0x00005555569f8428 in Visitor::visit (this=0x7ff879ba64e8, n=@0x7fffffffcae8: 0x7ff879ba6540, name=0x0) at /local/kfcripps/repos/p4c/ir/visitor.h:122
#36 0x0000555557376f8c in IR::Node::apply (this=0x7ff879ba6540, v=..., ctxt=0x0) at /local/kfcripps/repos/p4c/ir/node.cpp:159
#37 0x0000555557378067 in PassManager::apply_visitor (this=0x7fffffffcce0, program=0x7ff879ba6540) at /local/kfcripps/repos/p4c/ir/pass_manager.cpp:82
#38 0x00005555569f8428 in Visitor::visit (this=0x7fffffffcd60, n=@0x7fffffffcc78: 0x7ff879ba6540, name=0x0) at /local/kfcripps/repos/p4c/ir/visitor.h:122
#39 0x0000555557376f8c in IR::Node::apply (this=0x7ff879ba6540, v=..., ctxt=0x0) at /local/kfcripps/repos/p4c/ir/node.cpp:159
#40 0x00005555571727ce in P4::DoSimplifyDefUse::process (this=0x7ff877a55620, node=0x7ff879ba6540) at /local/kfcripps/repos/p4c/frontends/p4/simplifyDefUse.cpp:1549
#41 0x00005555570bf0e9 in P4::DoSimplifyDefUse::postorder (this=0x7ff877a55620, control=0x7ff879ba6540) at /local/kfcripps/repos/p4c/frontends/p4/simplifyDefUse.h:47
#42 0x00005555573d7a73 in IR::P4Control::apply_visitor_postorder (this=0x7ff879ba6540, v=...) at /local/kfcripps/repos/p4c/ir/visitor.cpp:742
#43 0x000055555739032c in Transform::apply_visitor (this=0x7ff877a55620, n=0x7ff879a07540, name=0x0) at /local/kfcripps/repos/p4c/ir/visitor.cpp:576
#44 0x00005555569fb923 in IR::Vector<IR::Node>::visit_children (this=0x7ff879b61740, v=...) at /local/kfcripps/repos/p4c/ir/ir-inline.h:81
#45 0x00005555569373f4 in IR::P4Program::visit_children (this=0x7ff879b61700, v=...) at /local/kfcripps/repos/p4c/build/ninja/debug/ir/ir-generated.cpp:8460
#46 0x0000555557390305 in Transform::apply_visitor (this=0x7ff877a55620, n=0x7ff8799c72a0, name=0x0) at /local/kfcripps/repos/p4c/ir/visitor.cpp:575
#47 0x00005555569f8428 in Visitor::visit (this=0x7ff877a55650, n=@0x7fffffffd0f8: 0x7ff8799c72a0, name=0x0) at /local/kfcripps/repos/p4c/ir/visitor.h:122
#48 0x0000555557376f8c in IR::Node::apply (this=0x7ff8799c72a0, v=..., ctxt=0x0) at /local/kfcripps/repos/p4c/ir/node.cpp:159
#49 0x0000555557378067 in PassManager::apply_visitor (this=0x7ff877a5ee70, program=0x7ff8799c72a0) at /local/kfcripps/repos/p4c/ir/pass_manager.cpp:82
#50 0x0000555557378df3 in PassRepeated::apply_visitor (this=0x7ff877a5ee60, program=0x7ff8799c72a0, name=0x0) at /local/kfcripps/repos/p4c/ir/pass_manager.cpp:153
#51 0x00005555569f8428 in Visitor::visit (this=0x7ff877a5eeb8, n=@0x7fffffffd338: 0x7ff8799c72a0, name=0x0) at /local/kfcripps/repos/p4c/ir/visitor.h:122
#52 0x0000555557376f8c in IR::Node::apply (this=0x7ff8799c72a0, v=..., ctxt=0x0) at /local/kfcripps/repos/p4c/ir/node.cpp:159
#53 0x0000555557378067 in PassManager::apply_visitor (this=0x7ff877a5c7e0, program=0x7ff8799c72a0) at /local/kfcripps/repos/p4c/ir/pass_manager.cpp:82
#54 0x00005555569f8428 in Visitor::visit (this=0x7ff877a5c828, n=@0x7fffffffd4c8: 0x7ff8799c72a0, name=0x0) at /local/kfcripps/repos/p4c/ir/visitor.h:122
#55 0x0000555557376f8c in IR::Node::apply (this=0x7ff8799c72a0, v=..., ctxt=0x0) at /local/kfcripps/repos/p4c/ir/node.cpp:159
#56 0x0000555557378067 in PassManager::apply_visitor (this=0x7fffffffd750, program=0x7ff8799c72a0) at /local/kfcripps/repos/p4c/ir/pass_manager.cpp:82
#57 0x0000555557408990 in Visitor::visit (this=0x7fffffffd798, n=@0x7fffffffd678: 0x7ff877a47460, name=0x0) at /local/kfcripps/repos/p4c/ir/visitor.cpp:764
#58 0x0000555556937238 in IR::P4Program::apply (this=0x7ff877a47460, v=..., ctxt=0x0) at /local/kfcripps/repos/p4c/build/ninja/debug/ir/ir-generated.cpp:8447
#59 0x00005555570b6c3c in P4::FrontEnd::run (this=0x7fffffffdca0, options=..., program=0x7ff877a47460, outStream=0x0) at /local/kfcripps/repos/p4c/frontends/p4/frontend.cpp:282
#60 0x0000555556cccb8d in main (argc=4, argv=0x7fffffffe7a8) at /local/kfcripps/repos/p4c/backends/p4test/p4test.cpp:147

kfcripps · 2024-07-15T12:35:00Z

        300 - p4/testdata/p4_16_samples/header-stack-ops-bmv2.p4 (Failed)
        355 - p4/testdata/p4_16_samples/issue1127-bmv2.p4 (Failed)
        650 - p4/testdata/p4_16_samples/issue3650.p4 (Failed)
        660 - p4/testdata/p4_16_samples/issue3884.p4 (Failed)

kfcripps · 2024-07-16T00:15:37Z

        300 - p4/testdata/p4_16_samples/header-stack-ops-bmv2.p4 (Failed)
        355 - p4/testdata/p4_16_samples/issue1127-bmv2.p4 (Failed)
        650 - p4/testdata/p4_16_samples/issue3650.p4 (Failed)
        660 - p4/testdata/p4_16_samples/issue3884.p4 (Failed)
        1229 - p4/testdata/p4_16_samples/dash/dash-pipeline-pna-dpdk.p4 (Failed)
        1230 - p4/testdata/p4_16_samples/dash/dash-pipeline-v1model-bmv2.p4 (Failed)

…Expression*s Signed-off-by: Kyle Cripps <kyle@pensando.io>

…_set instead of std::set for cached_locs Signed-off-by: Kyle Cripps <kyle@pensando.io>

Signed-off-by: Kyle Cripps <kyle@pensando.io>

kfcripps changed the title ~~Try to fix frontend SimplifyDefUsa pass~~ Try to fix frontend SimplifyDefUse pass Jul 10, 2024

kfcripps force-pushed the simplify-def-use-context branch 13 times, most recently from abfffee to 2e76c92 Compare July 13, 2024 15:18

kfcripps force-pushed the simplify-def-use-context branch from 148e2d4 to 50c0f9f Compare July 17, 2024 22:55

asl force-pushed the simplify-def-use-context branch from 50c0f9f to 9d1fb35 Compare July 18, 2024 01:14

kfcripps added 5 commits July 19, 2024 08:41

Map written LocationSets to program locations (loc_t) instead of IR::…

b9ef6d9

…Expression*s Signed-off-by: Kyle Cripps <kyle@pensando.io>

Use hvec_map instead of ordered_map for writes and use std::unordered…

655b9c2

…_set instead of std::set for cached_locs Signed-off-by: Kyle Cripps <kyle@pensando.io>

Short-circuit when parents are equal

867382a

Signed-off-by: Kyle Cripps <kyle@pensando.io>

code cleanup

8e55157

Signed-off-by: Kyle Cripps <kyle@pensando.io>

Memoize loc_t hashes

6858f16

Signed-off-by: Kyle Cripps <kyle@pensando.io>

kfcripps force-pushed the simplify-def-use-context branch from 9d1fb35 to 6858f16 Compare July 19, 2024 15:41

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Try to fix frontend `SimplifyDefUse` pass - #6

Try to fix frontend `SimplifyDefUse` pass#6
kfcripps wants to merge 5 commits into
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simplify-def-use-context

kfcripps commented Jul 10, 2024

Uh oh!

kfcripps commented Jul 15, 2024

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kfcripps commented Jul 15, 2024

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kfcripps commented Jul 16, 2024

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kfcripps commented Jul 10, 2024

Uh oh!

kfcripps commented Jul 15, 2024

Uh oh!

kfcripps commented Jul 15, 2024

Uh oh!

kfcripps commented Jul 16, 2024

Uh oh!

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