[flang-commits] [flang] [flang][OpenMP] Set OpenMP attributes in MLIR module in bbc before lo… (PR #82774)

[Krzysztof Parzyszek via flang-commits]

https://github.com/kparzysz created https://github.com/llvm/llvm-project/pull/82774

…wering

Right now attributes like OpenMP version or target attributes for offload are set after lowering in bbc. The flang frontend sets them before lowering, making them available in the lowering process.

This change sets them before lowering in bbc as well.

>From e7594ad2680c87343c8fe2d5de8d7778565fd0dd Mon Sep 17 00:00:00 2001
From: Krzysztof Parzyszek <Krzysztof.Parzyszek at amd.com>
Date: Mon, 29 Jan 2024 09:45:25 -0600
Subject: [PATCH] [flang][OpenMP] Set OpenMP attributes in MLIR module in bbc
 before lowering

Right now attributes like OpenMP version or target attributes for offload
are set after lowering in bbc. The flang frontend sets them before lowering,
making them available in the lowering process.

This change sets them before lowering in bbc as well.
---
 flang/tools/bbc/bbc.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/flang/tools/bbc/bbc.cpp b/flang/tools/bbc/bbc.cpp
index c9358c83e795c4..bdae1731260de1 100644
--- a/flang/tools/bbc/bbc.cpp
+++ b/flang/tools/bbc/bbc.cpp
@@ -359,7 +359,6 @@ static mlir::LogicalResult convertFortranSourceToMLIR(
       semanticsContext.targetCharacteristics(), parsing.allCooked(),
       targetTriple, kindMap, loweringOptions, {},
       semanticsContext.languageFeatures(), targetMachine);
-  burnside.lower(parseTree, semanticsContext);
   mlir::ModuleOp mlirModule = burnside.getModule();
   if (enableOpenMP) {
     if (enableOpenMPGPU && !enableOpenMPDevice) {
@@ -375,6 +374,7 @@ static mlir::LogicalResult convertFortranSourceToMLIR(
     setOffloadModuleInterfaceAttributes(mlirModule, offloadModuleOpts);
     setOpenMPVersionAttribute(mlirModule, setOpenMPVersion);
   }
+  burnside.lower(parseTree, semanticsContext);
   std::error_code ec;
   std::string outputName = outputFilename;
   if (!outputName.size())