[llvm] 7fc772b - [Scalar] Use std::optional in InductiveRangeCheckElimination.cpp (NFC)

[Kazu Hirata via llvm-commits]

Author: Kazu Hirata
Date: 2022-11-25T23:59:45-08:00
New Revision: 7fc772bbdc34ced480bef9aa6043f8e0980bb522

URL: https://github.com/llvm/llvm-project/commit/7fc772bbdc34ced480bef9aa6043f8e0980bb522
DIFF: https://github.com/llvm/llvm-project/commit/7fc772bbdc34ced480bef9aa6043f8e0980bb522.diff

LOG: [Scalar] Use std::optional in InductiveRangeCheckElimination.cpp (NFC)

This is part of an effort to migrate from llvm::Optional to
std::optional:

https://discourse.llvm.org/t/deprecating-llvm-optional-x-hasvalue-getvalue-getvalueor/63716

Added: 
    

Modified: 
    llvm/lib/Transforms/Scalar/InductiveRangeCheckElimination.cpp

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Transforms/Scalar/InductiveRangeCheckElimination.cpp b/llvm/lib/Transforms/Scalar/InductiveRangeCheckElimination.cpp
index 15a0e938c8ea..b50d197b5a30 100644
--- a/llvm/lib/Transforms/Scalar/InductiveRangeCheckElimination.cpp
+++ b/llvm/lib/Transforms/Scalar/InductiveRangeCheckElimination.cpp
@@ -93,6 +93,7 @@
 #include <cassert>
 #include <iterator>
 #include <limits>
+#include <optional>
 #include <utility>
 #include <vector>
 
@@ -547,8 +548,8 @@ class LoopConstrainer {
   // space of the main loop.
 
   struct SubRanges {
-    Optional<const SCEV *> LowLimit;
-    Optional<const SCEV *> HighLimit;
+    std::optional<const SCEV *> LowLimit;
+    std::optional<const SCEV *> HighLimit;
   };
 
   // Compute a safe set of limits for the main loop to run in -- effectively the