[llvm] [CodeGen] Remove an unnecessary cast (NFC) (PR #148764)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-selectiondag

Author: Kazu Hirata (kazutakahirata)

<details>
<summary>Changes</summary>

getExpression() already returns DIExpression *.


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Full diff: https://github.com/llvm/llvm-project/pull/148764.diff


1 Files Affected:

- (modified) llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp (+1-1) 


``````````diff
diff --git a/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp b/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp
index 03d3e8eab35d0..85efb1bd8aed9 100644
--- a/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp
@@ -784,7 +784,7 @@ MachineInstr *
 InstrEmitter::EmitDbgInstrRef(SDDbgValue *SD,
                               VRBaseMapType &VRBaseMap) {
   MDNode *Var = SD->getVariable();
-  const DIExpression *Expr = (DIExpression *)SD->getExpression();
+  const DIExpression *Expr = SD->getExpression();
   DebugLoc DL = SD->getDebugLoc();
   const MCInstrDesc &RefII = TII->get(TargetOpcode::DBG_INSTR_REF);
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/148764