Fix MSVC "not all control paths return a value" warning

RKSimon · RKSimon · commit e3d4cac2bcbd · 2024-02-21T13:53:48.000Z
diff --git a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
@@ -13397,6 +13397,7 @@ struct NodeExtensionHelper {
     case ExtKind::FPExt:
       return RISCVISD::FP_EXTEND_VL;
     }
+    llvm_unreachable("Unknown ExtKind enum");
   }
 
   /// Get or create a value that can feed \p Root with the given extension \p

Original file line number	Diff line number	Diff line change
`@@ -13397,6 +13397,7 @@ struct NodeExtensionHelper {`
`13397`	`13397`	`case ExtKind::FPExt:`
`13398`	`13398`	`return RISCVISD::FP_EXTEND_VL;`
`13399`	`13399`	`}`
	`13400`	`+ llvm_unreachable("Unknown ExtKind enum");`
`13400`	`13401`	`}`
`13401`	`13402`
`13402`	`13403`	`/// Get or create a value that can feed \p Root with the given extension \p`