[PATCH] D88221: [flang][OpenMP] Parallel region codegen support

[Sourabh Singh Tomar via Phabricator via llvm-commits]

SouraVX created this revision.
SouraVX added reviewers: schweitz, kiranchandramohan, kiranktp.
Herald added subscribers: llvm-commits, guansong, yaxunl.
Herald added a reviewer: DavidTruby.
Herald added a project: LLVM.
SouraVX requested review of this revision.
Herald added a reviewer: jdoerfert.
Herald added a subscriber: sstefan1.

This patch reflects the work that can be upstreamed from PR(merged)
PR: https://github.com/flang-compiler/f18-llvm-project/pull/424


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D88221

Files:
  flang/lib/Lower/OpenMP.cpp


Index: flang/lib/Lower/OpenMP.cpp
===================================================================
--- flang/lib/Lower/OpenMP.cpp
+++ flang/lib/Lower/OpenMP.cpp
@@ -87,7 +87,6 @@
   if (parallelDirective.v == llvm::omp::OMPD_parallel) {
     auto &firOpBuilder = converter.getFirOpBuilder();
     auto currentLocation = converter.getCurrentLocation();
-    auto insertPt = firOpBuilder.saveInsertionPoint();
 
     // Clauses.
     // FIXME: Add support for other clauses.
@@ -117,7 +116,9 @@
     firOpBuilder.setInsertionPointToStart(&block);
     // Ensure the block is well-formed.
     firOpBuilder.create<mlir::omp::TerminatorOp>(currentLocation);
-    firOpBuilder.restoreInsertionPoint(insertPt);
+
+    // Place the insertion point to the start of the first block.
+    firOpBuilder.setInsertionPointToStart(&block);
   }
 }
 


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