[llvm] [InstrRef][NFC] Delete unused variables (PR #75501)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-debuginfo

Author: Felipe de Azevedo Piovezan (felipepiovezan)

<details>
<summary>Changes</summary>

`V` was unused, and all the other deletions follow from that observation.

---
Full diff: https://github.com/llvm/llvm-project/pull/75501.diff


1 Files Affected:

- (modified) llvm/lib/CodeGen/LiveDebugValues/InstrRefBasedImpl.cpp (+2-8) 


``````````diff
diff --git a/llvm/lib/CodeGen/LiveDebugValues/InstrRefBasedImpl.cpp b/llvm/lib/CodeGen/LiveDebugValues/InstrRefBasedImpl.cpp
index 87a0ba58b14c01..93002625807c4d 100644
--- a/llvm/lib/CodeGen/LiveDebugValues/InstrRefBasedImpl.cpp
+++ b/llvm/lib/CodeGen/LiveDebugValues/InstrRefBasedImpl.cpp
@@ -1375,15 +1375,9 @@ bool InstrRefBasedLDV::transferDebugValue(const MachineInstr &MI) {
   if (!MI.isDebugValue())
     return false;
 
-  const DILocalVariable *Var = MI.getDebugVariable();
-  const DIExpression *Expr = MI.getDebugExpression();
-  const DILocation *DebugLoc = MI.getDebugLoc();
-  const DILocation *InlinedAt = DebugLoc->getInlinedAt();
-  assert(Var->isValidLocationForIntrinsic(DebugLoc) &&
+  assert(MI.getDebugVariable()->isValidLocationForIntrinsic(MI.getDebugLoc()) &&
          "Expected inlined-at fields to agree");
 
-  DebugVariable V(Var, Expr, InlinedAt);
-  DbgValueProperties Properties(MI);
 
   // If there are no instructions in this lexical scope, do no location tracking
   // at all, this variable shouldn't get a legitimate location range.
@@ -1417,7 +1411,7 @@ bool InstrRefBasedLDV::transferDebugValue(const MachineInstr &MI) {
         }
       }
     }
-    VTracker->defVar(MI, Properties, DebugOps);
+    VTracker->defVar(MI, DbgValueProperties(MI), DebugOps);
   }
 
   // If performing final tracking of transfers, report this variable definition

``````````

</details>


https://github.com/llvm/llvm-project/pull/75501