llvmbot wrote:

<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang-driver

Author: None (abidh)

<details>
<summary>Changes</summary>

Currently, -g defaults to line tables only. This PR changes that to full debug 
information. This will allow us to test/use the upcoming debug info changes.

---
Full diff: https://github.com/llvm/llvm-project/pull/89418.diff


3 Files Affected:

- (modified) clang/lib/Driver/ToolChains/Flang.cpp (+1-1) 
- (modified) flang/lib/Frontend/CompilerInvocation.cpp (+1) 
- (added) flang/test/Driver/debug-level.f90 (+7) 


``````````diff
diff --git a/clang/lib/Driver/ToolChains/Flang.cpp 
b/clang/lib/Driver/ToolChains/Flang.cpp
index b46bac24503ce1..abe0b931676005 100644
--- a/clang/lib/Driver/ToolChains/Flang.cpp
+++ b/clang/lib/Driver/ToolChains/Flang.cpp
@@ -118,7 +118,7 @@ void Flang::addOtherOptions(const ArgList &Args, 
ArgStringList &CmdArgs) const {
     Arg *gNArg = Args.getLastArg(options::OPT_gN_Group);
     DebugInfoKind = debugLevelToInfoKind(*gNArg);
   } else if (Args.hasArg(options::OPT_g_Flag)) {
-    DebugInfoKind = llvm::codegenoptions::DebugLineTablesOnly;
+    DebugInfoKind = llvm::codegenoptions::FullDebugInfo;
   } else {
     DebugInfoKind = llvm::codegenoptions::NoDebugInfo;
   }
diff --git a/flang/lib/Frontend/CompilerInvocation.cpp 
b/flang/lib/Frontend/CompilerInvocation.cpp
index e432c5a302754c..f1b7b53975398e 100644
--- a/flang/lib/Frontend/CompilerInvocation.cpp
+++ b/flang/lib/Frontend/CompilerInvocation.cpp
@@ -145,6 +145,7 @@ static bool 
parseDebugArgs(Fortran::frontend::CodeGenOptions &opts,
     }
     opts.setDebugInfo(val.value());
     if (val != llvm::codegenoptions::DebugLineTablesOnly &&
+        val != llvm::codegenoptions::FullDebugInfo &&
         val != llvm::codegenoptions::NoDebugInfo) {
       const auto debugWarning = diags.getCustomDiagID(
           clang::DiagnosticsEngine::Warning, "Unsupported debug option: %0");
diff --git a/flang/test/Driver/debug-level.f90 
b/flang/test/Driver/debug-level.f90
new file mode 100644
index 00000000000000..bc0aee166e6a37
--- /dev/null
+++ b/flang/test/Driver/debug-level.f90
@@ -0,0 +1,7 @@
+! RUN: %flang %s -g -c -### 2>&1 | FileCheck %s --check-prefix=FULL
+! RUN: %flang %s -g1 -c -### 2>&1 | FileCheck %s --check-prefix=LINE
+! RUN: %flang %s -gline-tables-only -c -### 2>&1 | FileCheck %s 
--check-prefix=LINE
+
+! LINE: -debug-info-kind=line-tables-only
+! FULL: -debug-info-kind=standalone
+

``````````

</details>


https://github.com/llvm/llvm-project/pull/89418
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