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[DebugInfo][RemoveDIs] Add flag to use "new" debug-info in opt #71937

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Merged
merged 4 commits into from
Nov 14, 2023
Merged

[DebugInfo][RemoveDIs] Add flag to use "new" debug-info in opt #71937

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9e5cf9c
[DebugInfo][RemoveDIs] Add flag to use "new" debug-info in opt
jmorse Nov 10, 2023
93b94f5
Check flags after we've parsed the command line
jmorse Nov 13, 2023
d426d29
Simplify away some un-necessary lines
jmorse Nov 13, 2023
4f8c8ea
Clang-format
jmorse Nov 13, 2023
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18 changes: 18 additions & 0 deletions llvm/tools/opt/opt.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -279,6 +279,13 @@ static cl::list<std::string>
PassPlugins("load-pass-plugin",
cl::desc("Load passes from plugin library"));

static cl::opt<bool> TryUseNewDbgInfoFormat(
"try-experimental-debuginfo-iterators",
cl::desc("Enable debuginfo iterator positions, if they're built in"),
cl::init(false));

extern cl::opt<bool> UseNewDbgInfoFormat;

//===----------------------------------------------------------------------===//
// CodeGen-related helper functions.
//
Expand Down Expand Up @@ -452,6 +459,17 @@ int main(int argc, char **argv) {
cl::ParseCommandLineOptions(argc, argv,
"llvm .bc -> .bc modular optimizer and analysis printer\n");

// RemoveDIs debug-info transition: tests may request that we /try/ to use the
// new debug-info format, if it's built in.
#ifdef EXPERIMENTAL_DEBUGINFO_ITERATORS
if (TryUseNewDbgInfoFormat) {
// If LLVM was built with support for this, turn the new debug-info format
// on.
UseNewDbgInfoFormat = true;
}
#endif
(void)TryUseNewDbgInfoFormat;

LLVMContext Context;

// TODO: remove shouldForceLegacyPM().
Expand Down