https://github.com/usx95 updated https://github.com/llvm/llvm-project/pull/98320
>From 03cc5fbebaf0c0c737e9304b8b3310ab4908fcaa Mon Sep 17 00:00:00 2001
From: Utkarsh Saxena <u...@google.com>
Date: Wed, 10 Jul 2024 13:52:46 +0000
Subject: [PATCH 1/6] Add an option to add source file info to -ftime-trace
---
clang/include/clang/Driver/Options.td | 4 ++++
clang/include/clang/Frontend/FrontendOptions.h | 3 +++
clang/lib/Sema/SemaTemplateInstantiate.cpp | 2 ++
clang/lib/Sema/SemaTemplateInstantiateDecl.cpp | 2 ++
4 files changed, 11 insertions(+)
diff --git a/clang/include/clang/Driver/Options.td
b/clang/include/clang/Driver/Options.td
index be7c3b60c20f1..c15f1b57bafc9 100644
--- a/clang/include/clang/Driver/Options.td
+++ b/clang/include/clang/Driver/Options.td
@@ -3989,6 +3989,10 @@ def ftime_trace_EQ : Joined<["-"], "ftime-trace=">,
Group<f_Group>,
HelpText<"Similar to -ftime-trace. Specify the JSON file or a directory
which will contain the JSON file">,
Visibility<[ClangOption, CC1Option, CLOption, DXCOption]>,
MarshallingInfoString<FrontendOpts<"TimeTracePath">>;
+def ftime_trace_add_filename : Flag<["-"], "ftime-trace-add-filename">,
Group<f_Group>,
+ HelpText<"Adds filename to event details wherever supported. Eg: For
template instantiation A<int>, details would include A<int>@source_file.h.">,
+ Visibility<[ClangOption, CLOption, DXCOption]>;
+ MarshallingInfoString<FrontendOpts<"TimeTraceAddFilename">>;
def fproc_stat_report : Joined<["-"], "fproc-stat-report">, Group<f_Group>,
HelpText<"Print subprocess statistics">;
def fproc_stat_report_EQ : Joined<["-"], "fproc-stat-report=">, Group<f_Group>,
diff --git a/clang/include/clang/Frontend/FrontendOptions.h
b/clang/include/clang/Frontend/FrontendOptions.h
index 5e5034fe01eb5..019a6737f8129 100644
--- a/clang/include/clang/Frontend/FrontendOptions.h
+++ b/clang/include/clang/Frontend/FrontendOptions.h
@@ -583,6 +583,9 @@ class FrontendOptions {
/// Path which stores the output files for -ftime-trace
std::string TimeTracePath;
+ /// Adds filename to event details wherever supported
+ bool TimeTraceAddFilename = false;
+
/// Output Path for module output file.
std::string ModuleOutputPath;
diff --git a/clang/lib/Sema/SemaTemplateInstantiate.cpp
b/clang/lib/Sema/SemaTemplateInstantiate.cpp
index a7bc6749c5852..f0fa7fd427906 100644
--- a/clang/lib/Sema/SemaTemplateInstantiate.cpp
+++ b/clang/lib/Sema/SemaTemplateInstantiate.cpp
@@ -3430,6 +3430,8 @@ Sema::InstantiateClass(SourceLocation
PointOfInstantiation,
llvm::raw_string_ostream OS(Name);
Instantiation->getNameForDiagnostic(OS, getPrintingPolicy(),
/*Qualified=*/true);
+ if (llvm::timeTraceAddFilename())
+ OS << "@" << SourceMgr.getFilename(Instantiation->getLocation());
return Name;
});
diff --git a/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
b/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
index 88f6af80cbc55..ba55db4117c34 100644
--- a/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
+++ b/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
@@ -4966,6 +4966,8 @@ void Sema::InstantiateFunctionDefinition(SourceLocation
PointOfInstantiation,
llvm::raw_string_ostream OS(Name);
Function->getNameForDiagnostic(OS, getPrintingPolicy(),
/*Qualified=*/true);
+ if (llvm::timeTraceAddFilename())
+ OS << "@" << SourceMgr.getFilename(Function->getLocation());
return Name;
});
>From ae991f8c88c21a0872a5fa63219b3cb9b2787d9a Mon Sep 17 00:00:00 2001
From: Utkarsh Saxena <u...@google.com>
Date: Wed, 10 Jul 2024 15:52:55 +0000
Subject: [PATCH 2/6] Add tests
---
clang/include/clang/Driver/Options.td | 4 ----
clang/include/clang/Frontend/FrontendOptions.h | 3 ---
clang/lib/Sema/SemaTemplateInstantiate.cpp | 3 +--
clang/lib/Sema/SemaTemplateInstantiateDecl.cpp | 3 +--
clang/test/Driver/ftime-trace-sections.py | 16 +++++++++++++++-
5 files changed, 17 insertions(+), 12 deletions(-)
diff --git a/clang/include/clang/Driver/Options.td
b/clang/include/clang/Driver/Options.td
index c15f1b57bafc9..be7c3b60c20f1 100644
--- a/clang/include/clang/Driver/Options.td
+++ b/clang/include/clang/Driver/Options.td
@@ -3989,10 +3989,6 @@ def ftime_trace_EQ : Joined<["-"], "ftime-trace=">,
Group<f_Group>,
HelpText<"Similar to -ftime-trace. Specify the JSON file or a directory
which will contain the JSON file">,
Visibility<[ClangOption, CC1Option, CLOption, DXCOption]>,
MarshallingInfoString<FrontendOpts<"TimeTracePath">>;
-def ftime_trace_add_filename : Flag<["-"], "ftime-trace-add-filename">,
Group<f_Group>,
- HelpText<"Adds filename to event details wherever supported. Eg: For
template instantiation A<int>, details would include A<int>@source_file.h.">,
- Visibility<[ClangOption, CLOption, DXCOption]>;
- MarshallingInfoString<FrontendOpts<"TimeTraceAddFilename">>;
def fproc_stat_report : Joined<["-"], "fproc-stat-report">, Group<f_Group>,
HelpText<"Print subprocess statistics">;
def fproc_stat_report_EQ : Joined<["-"], "fproc-stat-report=">, Group<f_Group>,
diff --git a/clang/include/clang/Frontend/FrontendOptions.h
b/clang/include/clang/Frontend/FrontendOptions.h
index 019a6737f8129..5e5034fe01eb5 100644
--- a/clang/include/clang/Frontend/FrontendOptions.h
+++ b/clang/include/clang/Frontend/FrontendOptions.h
@@ -583,9 +583,6 @@ class FrontendOptions {
/// Path which stores the output files for -ftime-trace
std::string TimeTracePath;
- /// Adds filename to event details wherever supported
- bool TimeTraceAddFilename = false;
-
/// Output Path for module output file.
std::string ModuleOutputPath;
diff --git a/clang/lib/Sema/SemaTemplateInstantiate.cpp
b/clang/lib/Sema/SemaTemplateInstantiate.cpp
index f0fa7fd427906..69f46a77d8067 100644
--- a/clang/lib/Sema/SemaTemplateInstantiate.cpp
+++ b/clang/lib/Sema/SemaTemplateInstantiate.cpp
@@ -3430,8 +3430,7 @@ Sema::InstantiateClass(SourceLocation
PointOfInstantiation,
llvm::raw_string_ostream OS(Name);
Instantiation->getNameForDiagnostic(OS, getPrintingPolicy(),
/*Qualified=*/true);
- if (llvm::timeTraceAddFilename())
- OS << "@" << SourceMgr.getFilename(Instantiation->getLocation());
+ OS << "@" << SourceMgr.getFilename(Instantiation->getLocation());
return Name;
});
diff --git a/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
b/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
index ba55db4117c34..d835a217802ac 100644
--- a/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
+++ b/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
@@ -4966,8 +4966,7 @@ void Sema::InstantiateFunctionDefinition(SourceLocation
PointOfInstantiation,
llvm::raw_string_ostream OS(Name);
Function->getNameForDiagnostic(OS, getPrintingPolicy(),
/*Qualified=*/true);
- if (llvm::timeTraceAddFilename())
- OS << "@" << SourceMgr.getFilename(Function->getLocation());
+ OS << "@" << SourceMgr.getFilename(Function->getLocation());
return Name;
});
diff --git a/clang/test/Driver/ftime-trace-sections.py
b/clang/test/Driver/ftime-trace-sections.py
index 02afa4ac54eb7..cfec77fc97a8e 100644
--- a/clang/test/Driver/ftime-trace-sections.py
+++ b/clang/test/Driver/ftime-trace-sections.py
@@ -1,6 +1,6 @@
#!/usr/bin/env python
-import json, sys, time
+import json, sys, time, re
def is_inside(range1, range2):
@@ -16,12 +16,18 @@ def is_before(range1, range2):
c = range2["ts"]
return b <= c
+instantiation_pattern = re.compile("^.*<.*>@.*.cpp$")
+
+def is_valid_instantiation(instantiation):
+ return instantiation_pattern.match(instantiation["args"]["detail"])
+
log_contents = json.loads(sys.stdin.read())
events = log_contents["traceEvents"]
codegens = [event for event in events if event["name"] == "CodeGen Function"]
frontends = [event for event in events if event["name"] == "Frontend"]
backends = [event for event in events if event["name"] == "Backend"]
+instantiations = [event for event in events if
event["name"].startswith("Instantiate")]
beginning_of_time = log_contents["beginningOfTime"] / 1000000
seconds_since_epoch = time.time()
@@ -48,3 +54,11 @@ def is_before(range1, range2):
]
):
sys.exit("Not all Frontend section are before all Backend sections!")
+
+if not all(
+ [
+ is_valid_instantiation(instantiation)
+ for instantiation in instantiations
+ ]
+):
+ sys.exit("Not all Frontend section are before all Backend sections!")
>From afdaaddcb490668d0565c4a0a4de1bc49b9f41e9 Mon Sep 17 00:00:00 2001
From: Utkarsh Saxena <u...@google.com>
Date: Wed, 10 Jul 2024 15:57:55 +0000
Subject: [PATCH 3/6] use , file: as separator
---
clang/lib/Sema/SemaTemplateInstantiate.cpp | 2 +-
clang/lib/Sema/SemaTemplateInstantiateDecl.cpp | 2 +-
clang/test/Driver/ftime-trace-sections.py | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/clang/lib/Sema/SemaTemplateInstantiate.cpp
b/clang/lib/Sema/SemaTemplateInstantiate.cpp
index 69f46a77d8067..3105f3eefa0ba 100644
--- a/clang/lib/Sema/SemaTemplateInstantiate.cpp
+++ b/clang/lib/Sema/SemaTemplateInstantiate.cpp
@@ -3430,7 +3430,7 @@ Sema::InstantiateClass(SourceLocation
PointOfInstantiation,
llvm::raw_string_ostream OS(Name);
Instantiation->getNameForDiagnostic(OS, getPrintingPolicy(),
/*Qualified=*/true);
- OS << "@" << SourceMgr.getFilename(Instantiation->getLocation());
+ OS << ", file:" << SourceMgr.getFilename(Instantiation->getLocation());
return Name;
});
diff --git a/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
b/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
index d835a217802ac..88390d82260f5 100644
--- a/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
+++ b/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
@@ -4966,7 +4966,7 @@ void Sema::InstantiateFunctionDefinition(SourceLocation
PointOfInstantiation,
llvm::raw_string_ostream OS(Name);
Function->getNameForDiagnostic(OS, getPrintingPolicy(),
/*Qualified=*/true);
- OS << "@" << SourceMgr.getFilename(Function->getLocation());
+ OS << ", file:" << SourceMgr.getFilename(Function->getLocation());
return Name;
});
diff --git a/clang/test/Driver/ftime-trace-sections.py
b/clang/test/Driver/ftime-trace-sections.py
index cfec77fc97a8e..cec62db6b0d7b 100644
--- a/clang/test/Driver/ftime-trace-sections.py
+++ b/clang/test/Driver/ftime-trace-sections.py
@@ -16,7 +16,7 @@ def is_before(range1, range2):
c = range2["ts"]
return b <= c
-instantiation_pattern = re.compile("^.*<.*>@.*.cpp$")
+instantiation_pattern = re.compile("^.*<.*>, file:.*.cpp$")
def is_valid_instantiation(instantiation):
return instantiation_pattern.match(instantiation["args"]["detail"])
>From f3a5c475935f8519d85332750bb43c4ac99d7668 Mon Sep 17 00:00:00 2001
From: Utkarsh Saxena <u...@google.com>
Date: Wed, 10 Jul 2024 16:01:08 +0000
Subject: [PATCH 4/6] format and fix error messages
---
clang/test/Driver/ftime-trace-sections.py | 12 +++++-------
1 file changed, 5 insertions(+), 7 deletions(-)
diff --git a/clang/test/Driver/ftime-trace-sections.py
b/clang/test/Driver/ftime-trace-sections.py
index cec62db6b0d7b..c42fa3c406ff4 100644
--- a/clang/test/Driver/ftime-trace-sections.py
+++ b/clang/test/Driver/ftime-trace-sections.py
@@ -16,8 +16,10 @@ def is_before(range1, range2):
c = range2["ts"]
return b <= c
+
instantiation_pattern = re.compile("^.*<.*>, file:.*.cpp$")
+
def is_valid_instantiation(instantiation):
return instantiation_pattern.match(instantiation["args"]["detail"])
@@ -55,10 +57,6 @@ def is_valid_instantiation(instantiation):
):
sys.exit("Not all Frontend section are before all Backend sections!")
-if not all(
- [
- is_valid_instantiation(instantiation)
- for instantiation in instantiations
- ]
-):
- sys.exit("Not all Frontend section are before all Backend sections!")
+for instantiation in instantiations:
+ if not is_valid_instantiation(instantiation):
+ sys.exit("Invalid instantiation: " + str(instantiation))
>From ecb326f79facf5287cf6cfa345d3c7c6d6ad3464 Mon Sep 17 00:00:00 2001
From: Utkarsh Saxena <u...@google.com>
Date: Tue, 16 Jul 2024 15:57:25 +0000
Subject: [PATCH 5/6] add filename as structured json
---
clang/lib/Sema/SemaTemplateInstantiate.cpp | 8 ++--
.../lib/Sema/SemaTemplateInstantiateDecl.cpp | 8 ++--
clang/test/Driver/ftime-trace-sections.py | 5 +--
llvm/include/llvm/Support/TimeProfiler.h | 14 +++++++
llvm/lib/Support/TimeProfiler.cpp | 38 +++++++++++++++++--
5 files changed, 57 insertions(+), 16 deletions(-)
diff --git a/clang/lib/Sema/SemaTemplateInstantiate.cpp
b/clang/lib/Sema/SemaTemplateInstantiate.cpp
index 3105f3eefa0ba..71880641e33af 100644
--- a/clang/lib/Sema/SemaTemplateInstantiate.cpp
+++ b/clang/lib/Sema/SemaTemplateInstantiate.cpp
@@ -3426,12 +3426,12 @@ Sema::InstantiateClass(SourceLocation
PointOfInstantiation,
return true;
llvm::TimeTraceScope TimeScope("InstantiateClass", [&]() {
- std::string Name;
- llvm::raw_string_ostream OS(Name);
+ llvm::TimeTraceMetadata M;
+ llvm::raw_string_ostream OS(M.Details);
Instantiation->getNameForDiagnostic(OS, getPrintingPolicy(),
/*Qualified=*/true);
- OS << ", file:" << SourceMgr.getFilename(Instantiation->getLocation());
- return Name;
+ M.Filename = SourceMgr.getFilename(Instantiation->getLocation());
+ return M;
});
Pattern = PatternDef;
diff --git a/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
b/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
index 88390d82260f5..e3f12b37d45c7 100644
--- a/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
+++ b/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
@@ -4962,12 +4962,12 @@ void Sema::InstantiateFunctionDefinition(SourceLocation
PointOfInstantiation,
}
llvm::TimeTraceScope TimeScope("InstantiateFunction", [&]() {
- std::string Name;
- llvm::raw_string_ostream OS(Name);
+ llvm::TimeTraceMetadata M;
+ llvm::raw_string_ostream OS(M.Details);
Function->getNameForDiagnostic(OS, getPrintingPolicy(),
/*Qualified=*/true);
- OS << ", file:" << SourceMgr.getFilename(Function->getLocation());
- return Name;
+ M.Filename = SourceMgr.getFilename(Function->getLocation());
+ return M;
});
// If we're performing recursive template instantiation, create our own
diff --git a/clang/test/Driver/ftime-trace-sections.py
b/clang/test/Driver/ftime-trace-sections.py
index c42fa3c406ff4..ab05f90a1358d 100644
--- a/clang/test/Driver/ftime-trace-sections.py
+++ b/clang/test/Driver/ftime-trace-sections.py
@@ -17,11 +17,8 @@ def is_before(range1, range2):
return b <= c
-instantiation_pattern = re.compile("^.*<.*>, file:.*.cpp$")
-
-
def is_valid_instantiation(instantiation):
- return instantiation_pattern.match(instantiation["args"]["detail"])
+ return instantiation["args"]["filename"].endswith(".cpp")
log_contents = json.loads(sys.stdin.read())
diff --git a/llvm/include/llvm/Support/TimeProfiler.h
b/llvm/include/llvm/Support/TimeProfiler.h
index 31f7df10916db..d669c0d2a5e23 100644
--- a/llvm/include/llvm/Support/TimeProfiler.h
+++ b/llvm/include/llvm/Support/TimeProfiler.h
@@ -83,6 +83,12 @@ namespace llvm {
class raw_pwrite_stream;
+struct TimeTraceMetadata {
+ std::string Details;
+ // Source file information for the event.
+ std::string Filename;
+};
+
struct TimeTraceProfiler;
TimeTraceProfiler *getTimeTraceProfilerInstance();
@@ -128,6 +134,10 @@ TimeTraceProfilerEntry *
timeTraceProfilerBegin(StringRef Name,
llvm::function_ref<std::string()> Detail);
+TimeTraceProfilerEntry *
+timeTraceProfilerBegin(StringRef Name,
+ llvm::function_ref<TimeTraceMetadata()> MetaData);
+
/// Manually begin a time section, with the given \p Name and \p Detail.
/// This starts Async Events having \p Name as a category which is shown
/// separately from other traces. See
@@ -164,6 +174,10 @@ class TimeTraceScope {
if (getTimeTraceProfilerInstance() != nullptr)
Entry = timeTraceProfilerBegin(Name, Detail);
}
+ TimeTraceScope(StringRef Name, llvm::function_ref<TimeTraceMetadata()>
Metadata) {
+ if (getTimeTraceProfilerInstance() != nullptr)
+ Entry = timeTraceProfilerBegin(Name, Metadata);
+ }
~TimeTraceScope() {
if (getTimeTraceProfilerInstance() != nullptr)
timeTraceProfilerEnd(Entry);
diff --git a/llvm/lib/Support/TimeProfiler.cpp
b/llvm/lib/Support/TimeProfiler.cpp
index 9612db7d30f98..4b0466b265db4 100644
--- a/llvm/lib/Support/TimeProfiler.cpp
+++ b/llvm/lib/Support/TimeProfiler.cpp
@@ -73,12 +73,20 @@ struct llvm::TimeTraceProfilerEntry {
const TimePointType Start;
TimePointType End;
const std::string Name;
- const std::string Detail;
+ TimeTraceMetadata Metadata;
+
const bool AsyncEvent = false;
TimeTraceProfilerEntry(TimePointType &&S, TimePointType &&E, std::string &&N,
std::string &&Dt, bool Ae)
+ : Start(std::move(S)), End(std::move(E)), Name(std::move(N)), Metadata(),
+ AsyncEvent(Ae) {
+ Metadata.Details = std::move(Dt);
+ }
+
+ TimeTraceProfilerEntry(TimePointType &&S, TimePointType &&E, std::string &&N,
+ TimeTraceMetadata &&Mt, bool Ae)
: Start(std::move(S)), End(std::move(E)), Name(std::move(N)),
- Detail(std::move(Dt)), AsyncEvent(Ae) {}
+ Metadata(std::move(Mt)), AsyncEvent(Ae) {}
// Calculate timings for FlameGraph. Cast time points to microsecond
precision
// rather than casting duration. This avoids truncation issues causing inner
@@ -113,6 +121,15 @@ struct llvm::TimeTraceProfiler {
return Stack.back().get();
}
+ TimeTraceProfilerEntry *begin(std::string Name,
+
llvm::function_ref<TimeTraceMetadata()>Metadata,
+ bool AsyncEvent = false) {
+ Stack.emplace_back(std::make_unique<TimeTraceProfilerEntry>(
+ ClockType::now(), TimePointType(), std::move(Name), Metadata(),
+ AsyncEvent));
+ return Stack.back().get();
+ }
+
void end() {
assert(!Stack.empty() && "Must call begin() first");
end(*Stack.back());
@@ -184,8 +201,13 @@ struct llvm::TimeTraceProfiler {
J.attribute("dur", DurUs);
}
J.attribute("name", E.Name);
- if (!E.Detail.empty()) {
- J.attributeObject("args", [&] { J.attribute("detail", E.Detail); });
+ if (!E.Metadata.Details.empty()) {
+ J.attributeObject("args",
+ [&] { J.attribute("detail", E.Metadata.Details);
});
+ }
+ if (!E.Metadata.Filename.empty()) {
+ J.attributeObject(
+ "args", [&] { J.attribute("filename", E.Metadata.Filename); });
}
});
@@ -381,6 +403,14 @@ llvm::timeTraceProfilerBegin(StringRef Name,
return nullptr;
}
+TimeTraceProfilerEntry *
+llvm::timeTraceProfilerBegin(StringRef Name,
+ llvm::function_ref<TimeTraceMetadata()> Metadata)
{
+ if (TimeTraceProfilerInstance != nullptr)
+ return TimeTraceProfilerInstance->begin(std::string(Name), Metadata,
false);
+ return nullptr;
+}
+
TimeTraceProfilerEntry *llvm::timeTraceAsyncProfilerBegin(StringRef Name,
StringRef Detail) {
if (TimeTraceProfilerInstance != nullptr)
>From 7032c5c7bf8f65eb4792bf9e5fdc5ba9b762c846 Mon Sep 17 00:00:00 2001
From: Utkarsh Saxena <u...@google.com>
Date: Tue, 16 Jul 2024 15:59:20 +0000
Subject: [PATCH 6/6] prep for rebase. ignore ftime-trace-sections.py
---
clang/test/Driver/ftime-trace-sections.py | 11 +----------
1 file changed, 1 insertion(+), 10 deletions(-)
diff --git a/clang/test/Driver/ftime-trace-sections.py
b/clang/test/Driver/ftime-trace-sections.py
index ab05f90a1358d..02afa4ac54eb7 100644
--- a/clang/test/Driver/ftime-trace-sections.py
+++ b/clang/test/Driver/ftime-trace-sections.py
@@ -1,6 +1,6 @@
#!/usr/bin/env python
-import json, sys, time, re
+import json, sys, time
def is_inside(range1, range2):
@@ -17,16 +17,11 @@ def is_before(range1, range2):
return b <= c
-def is_valid_instantiation(instantiation):
- return instantiation["args"]["filename"].endswith(".cpp")
-
-
log_contents = json.loads(sys.stdin.read())
events = log_contents["traceEvents"]
codegens = [event for event in events if event["name"] == "CodeGen Function"]
frontends = [event for event in events if event["name"] == "Frontend"]
backends = [event for event in events if event["name"] == "Backend"]
-instantiations = [event for event in events if
event["name"].startswith("Instantiate")]
beginning_of_time = log_contents["beginningOfTime"] / 1000000
seconds_since_epoch = time.time()
@@ -53,7 +48,3 @@ def is_valid_instantiation(instantiation):
]
):
sys.exit("Not all Frontend section are before all Backend sections!")
-
-for instantiation in instantiations:
- if not is_valid_instantiation(instantiation):
- sys.exit("Invalid instantiation: " + str(instantiation))
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