================
@@ -1698,6 +1701,64 @@ void OpenMPIRBuilder::createTaskyield(const
LocationDescription &Loc) {
emitTaskyieldImpl(Loc);
}
+// Processes the dependencies in Dependencies and does the following
+// - Allocates space on the stack of an array of DependInfo objects
+// - Populates each DependInfo object with relevant information of
+// the corresponding dependence.
+// - All code is inserted in the entry block of the current function.
+static Value *
+emitDepArray(OpenMPIRBuilder &OMPBuilder,
+ SmallVector<OpenMPIRBuilder::DependData> &Dependencies) {
+ // Early return if we have no dependencies to process
+ if (!Dependencies.size())
+ return nullptr;
+
+ IRBuilderBase &Builder = OMPBuilder.Builder;
+ Type *DependInfo = OMPBuilder.DependInfo;
+ Module &M = OMPBuilder.M;
+
+ Value *DepArray = nullptr;
+ if (Dependencies.size()) {
+ OpenMPIRBuilder::InsertPointTy OldIP = Builder.saveIP();
+ Builder.SetInsertPoint(
+ &OldIP.getBlock()->getParent()->getEntryBlock().back());
+
+ Type *DepArrayTy = ArrayType::get(DependInfo, Dependencies.size());
+ DepArray = Builder.CreateAlloca(DepArrayTy, nullptr, ".dep.arr.addr");
+
+ unsigned P = 0;
+ for (const OpenMPIRBuilder::DependData &Dep : Dependencies) {
----------------
ergawy wrote:
I see there is a similar loop in `OpenMPIRBuilder::createTask`. Can we outline
this to a shared util used in both locations?
https://github.com/llvm/llvm-project/pull/93977
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