[llvm] [OpenMP] [IR Builder] Changes to Support Scan Operation (PR #136035)

[Michael Kruse via llvm-commits]

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@@ -5349,6 +5350,100 @@ TEST_F(OpenMPIRBuilderTest, CreateReductions) {
   EXPECT_TRUE(findGEPZeroOne(ReductionFn->getArg(1), FirstRHS, SecondRHS));
 }
 
+void createScan(llvm::Value *scanVar, llvm::Type *scanType,
+                OpenMPIRBuilder &OMPBuilder, IRBuilder<> &Builder,
+                OpenMPIRBuilder::LocationDescription Loc,
+                OpenMPIRBuilder::InsertPointTy &allocaIP) {
+  using InsertPointTy = OpenMPIRBuilder::InsertPointTy;
+  ASSERT_EXPECTED_INIT(
+      InsertPointTy, retIp,
+      OMPBuilder.createScan(Loc, allocaIP, {scanVar}, {scanType}, true));
+  Builder.restoreIP(retIp);
+}
+
+TEST_F(OpenMPIRBuilderTest, ScanReduction) {
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Meinersbur wrote:

Could you add some pseudocode of what this function builds?

https://github.com/llvm/llvm-project/pull/136035