================
@@ -3236,9 +3240,57 @@ void CodeViewDebug::emitDebugInfoForUDTs(
}
}
+void CodeViewDebug::collectGlobalOrStaticLocalVariableInfo(
+ const DIGlobalVariableExpression *GVE) {
+ const DIGlobalVariable *DIGV = GVE->getVariable();
+ const DIExpression *DIE = GVE->getExpression();
+ // Don't emit string literals in CodeView, as the only useful parts are
+ // generally the filename and line number, which isn't possible to output
+ // in CodeView. String literals should be the only unnamed GlobalVariable
+ // with debug info.
+ if (DIGV->getName().empty())
+ return;
+
+ if ((DIE->getNumElements() == 2) &&
+ (DIE->getElement(0) == dwarf::DW_OP_plus_uconst))
+ // Record the constant offset for the variable.
+ //
+ // A Fortran common block uses this idiom to encode the offset
+ // of a variable from the common block's starting address.
+ CVGlobalVariableOffsets.insert(std::make_pair(DIGV, DIE->getElement(1)));
+
+ // Emit constant global variables in a global symbol section.
+ if (GlobalMap.count(GVE) == 0 && DIE->isConstant()) {
----------------
chbessonova wrote:
```
if (!GlobalMap.count(GVE) && DIE->isConstant())
GlobalVariables.emplace_back(CVGlobalVariable{DIGV, DIE});
```
https://github.com/llvm/llvm-project/pull/187927
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