[llvm] [AArch64] Remove an unnecessary cast (NFC) (PR #148763)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-aarch64

Author: Kazu Hirata (kazutakahirata)

<details>
<summary>Changes</summary>

OpcA is already of unsigned.


---
Full diff: https://github.com/llvm/llvm-project/pull/148763.diff


1 Files Affected:

- (modified) llvm/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp (+1-1) 


``````````diff
diff --git a/llvm/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp b/llvm/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp
index 3b4c7a05d1d4b..782d62a7e5e13 100644
--- a/llvm/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp
+++ b/llvm/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp
@@ -1666,7 +1666,7 @@ static bool areCandidatesToMergeOrPair(MachineInstr &FirstMI, MachineInstr &MI,
          "Given Opc should be a Load or Store with an immediate");
   // OpcA will be the first instruction in the pair.
   if (NonSExtOpc == getMatchingNonSExtOpcode(OpcB, &PairIsValidLdStrOpc)) {
-    Flags.setSExtIdx(NonSExtOpc == (unsigned)OpcA ? 1 : 0);
+    Flags.setSExtIdx(NonSExtOpc == OpcA ? 1 : 0);
     return true;
   }
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/148763