[llvm-branch-commits] [flang] [Flang][OpenMP] Access full list of entry block syms and vars (NFC) (PR #113681)

[Sergio Afonso via llvm-branch-commits]

https://github.com/skatrak created 
https://github.com/llvm/llvm-project/pull/113681

This patch adds methods to `EntryBlockArgs` to access the full list of entry 
block argument-related symbols and variables, in their standard order. This 
helps centralizing this logic in as few places as possible to avoid future 
inconsistencies.

>From 1e73f9391304043806276e0fb19d8089feb70f38 Mon Sep 17 00:00:00 2001
From: Sergio Afonso <safon...@amd.com>
Date: Fri, 25 Oct 2024 11:33:50 +0100
Subject: [PATCH] [Flang][OpenMP] Access full list of entry block syms and vars
 (NFC)

This patch adds methods to `EntryBlockArgs` to access the full list of entry
block argument-related symbols and variables, in their standard order. This
helps centralizing this logic in as few places as possible to avoid future
inconsistencies.
---
 flang/lib/Lower/OpenMP/OpenMP.cpp | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/flang/lib/Lower/OpenMP/OpenMP.cpp 
b/flang/lib/Lower/OpenMP/OpenMP.cpp
index fc54da8babe63e..e2545a68241004 100644
--- a/flang/lib/Lower/OpenMP/OpenMP.cpp
+++ b/flang/lib/Lower/OpenMP/OpenMP.cpp
@@ -76,6 +76,18 @@ struct EntryBlockArgs {
            reduction.isValid() && taskReduction.isValid() &&
            useDeviceAddr.isValid() && useDevicePtr.isValid();
   }
+
+  auto getSyms() const {
+    return llvm::concat<const semantics::Symbol *const>(
+        inReduction.syms, map.syms, priv.syms, reduction.syms,
+        taskReduction.syms, useDeviceAddr.syms, useDevicePtr.syms);
+  }
+
+  auto getVars() const {
+    return llvm::concat<const mlir::Value>(
+        inReduction.vars, map.vars, priv.vars, reduction.vars,
+        taskReduction.vars, useDeviceAddr.vars, useDevicePtr.vars);
+  }
 };
 } // namespace
 
@@ -1506,8 +1518,7 @@ genParallelOp(lower::AbstractConverter &converter, 
lower::SymMap &symTable,
     genEntryBlock(converter, args, op->getRegion(0));
     bindEntryBlockArgs(
         converter, llvm::cast<mlir::omp::BlockArgOpenMPOpInterface>(op), args);
-    return llvm::to_vector(llvm::concat<const semantics::Symbol *const>(
-        args.priv.syms, args.reduction.syms));
+    return llvm::to_vector(args.getSyms());
   };
 
   assert((!enableDelayedPrivatization || dsp) &&
@@ -1581,11 +1592,11 @@ genSectionsOp(lower::AbstractConverter &converter, 
lower::SymMap &symTable,
   mlir::Operation *terminator =
       lower::genOpenMPTerminator(builder, sectionsOp, loc);
 
-  auto reductionCallback = [&](mlir::Operation *op) {
+  auto genRegionEntryCB = [&](mlir::Operation *op) {
     genEntryBlock(converter, args, op->getRegion(0));
     bindEntryBlockArgs(
         converter, llvm::cast<mlir::omp::BlockArgOpenMPOpInterface>(op), args);
-    return reductionSyms;
+    return llvm::to_vector(args.getSyms());
   };
 
   // Generate nested SECTION constructs.
@@ -1611,7 +1622,7 @@ genSectionsOp(lower::AbstractConverter &converter, 
lower::SymMap &symTable,
         OpWithBodyGenInfo(converter, symTable, semaCtx, loc, nestedEval,
                           llvm::omp::Directive::OMPD_section)
             .setClauses(&sectionQueue.begin()->clauses)
-            .setGenRegionEntryCb(reductionCallback),
+            .setGenRegionEntryCb(genRegionEntryCB),
         sectionQueue, sectionQueue.begin());
   }
 

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