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driver glue for invoking use-def construction

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Vern Paxson 2021-02-06 10:58:56 -08:00
parent 372fb8b197
commit 94b85e3527
1 changed files with 15 additions and 0 deletions
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15
src/script_opt/ScriptOpt.cc
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@ -8,6 +8,7 @@
#include "zeek/script_opt/Inline.h" #include "zeek/script_opt/Inline.h"
#include "zeek/script_opt/Reduce.h" #include "zeek/script_opt/Reduce.h"
#include "zeek/script_opt/GenRDs.h" #include "zeek/script_opt/GenRDs.h"
#include "zeek/script_opt/UseDefs.h"
namespace zeek::detail { namespace zeek::detail {
@ -76,11 +77,25 @@ void optimize_func(ScriptFunc* f, std::shared_ptr<ProfileFunc> pf,
f->ReplaceBody(body, new_body); f->ReplaceBody(body, new_body);
body = new_body; body = new_body;
// Profile the new body.
pf = std::make_shared<ProfileFunc>(false);
body->Traverse(pf.get()); body->Traverse(pf.get());
// Compute its reaching definitions.
RD_Decorate reduced_rds(pf); RD_Decorate reduced_rds(pf);
reduced_rds.TraverseFunction(f, scope, body); reduced_rds.TraverseFunction(f, scope, body);
rc->SetDefSetsMgr(reduced_rds.GetDefSetsMgr());
auto ud = std::make_unique<UseDefs>(body, rc);
ud->Analyze();
if ( analysis_options.dump_uds )
ud->Dump();
ud->RemoveUnused();
int new_frame_size = int new_frame_size =
scope->Length() + rc->NumTemps() + rc->NumNewLocals(); scope->Length() + rc->NumTemps() + rc->NumNewLocals();