JLInstSimplify: argument embarassing bugfix

Author: wsmoses

enzyme/Enzyme/JLInstSimplify.cpp

@@ -113,10 +113,10 @@ bool jlInstSimplify(llvm::Function &F, TargetLibraryInfo &TLI,
             for (int i = 0; i < 2; i++) {
               Value *start = (i == 0) ? lhsv : rhsv;
               Instruction *starti = dyn_cast<Instruction>(start);
-              if (!isa<Argument>(starti))
+              if (!isa<Argument>(start))
                 continue;
               if (!starti) {
-                starti = &cast<Argument>(starti)
+                starti = &cast<Argument>(start)
                               ->getParent()
                               ->getEntryBlock()
                               .front();