Fix debug location while creating instructions in RLE

The insert point may not have RegularKind debug location.
So, use an auto-generated RegularKind debug location.

Author: meg-gupta

include/swift/SILOptimizer/Utils/LoadStoreOptUtils.h

@@ -271,7 +271,9 @@ class LSValue : public LSBase {
       Res = makeCopiedValueAvailable(Res, Inst->getParent());
       Builder.emitEndBorrowOperation(InsertPt->getLoc(), Val);
       // Insert a destroy on the Base
-      SILBuilderWithScope(Inst).emitDestroyValueOperation(Inst->getLoc(), Base);
+      SILBuilderWithScope builder(Inst);
+      builder.emitDestroyValueOperation(
+          RegularLocation::getAutoGeneratedLocation(), Base);
     }
     return Res;
   }

lib/SILOptimizer/Utils/InstOptUtils.cpp

@@ -1983,8 +1983,9 @@ SILValue swift::makeCopiedValueAvailable(SILValue value, SILBasicBlock *inBlock)
     return value;
 
   auto insertPt = getInsertAfterPoint(value).getValue();
-  auto *copy =
-      SILBuilderWithScope(insertPt).createCopyValue(insertPt->getLoc(), value);
+  SILBuilderWithScope builder(insertPt);
+  auto *copy = builder.createCopyValue(
+      RegularLocation::getAutoGeneratedLocation(), value);
 
   return makeNewValueAvailable(copy, inBlock);
 }
@@ -2009,13 +2010,15 @@ SILValue swift::makeNewValueAvailable(SILValue value, SILBasicBlock *inBlock) {
         assert(loopBlock == inBlock);
         auto front = loopBlock->begin();
         SILBuilderWithScope newBuilder(front);
-        controlEqCopy = newBuilder.createCopyValue(front->getLoc(), value);
+        controlEqCopy = newBuilder.createCopyValue(
+            RegularLocation::getAutoGeneratedLocation(), value);
       },
       [&](SILBasicBlock *postDomBlock) {
         // Insert a destroy_value in the leaking block
         auto front = postDomBlock->begin();
         SILBuilderWithScope newBuilder(front);
-        newBuilder.createDestroyValue(front->getLoc(), value);
+        newBuilder.createDestroyValue(
+            RegularLocation::getAutoGeneratedLocation(), value);
       });
 
   return controlEqCopy ? controlEqCopy : value;