1 files changed, 9 insertions, 0 deletions
diff --git a/flang/lib/Frontend/CompilerInvocation.cpp b/flang/lib/Frontend/CompilerInvocation.cpp
index f794eb7..a75c04d 100644
--- a/flang/lib/Frontend/CompilerInvocation.cpp
+++ b/flang/lib/Frontend/CompilerInvocation.cpp
@@ -794,3 +794,12 @@ void CompilerInvocation::setSemanticsOpts(
       .set_warningsAreErrors(getWarnAsErr())
       .set_moduleFileSuffix(getModuleFileSuffix());
 }
+
+/// Set \p loweringOptions controlling lowering behavior based
+/// on the \p optimizationLevel.
+void CompilerInvocation::setLoweringOptions() {
+  const auto &codegenOpts = getCodeGenOpts();
+
+  // Lower TRANSPOSE as a runtime call under -O0.
+  loweringOpts.setOptimizeTranspose(codegenOpts.OptimizationLevel > 0);
+}