- Fix 'default label in switch' build failure

kmclaughlin-arm · kmclaughlin-arm · commit f5de33d9e1df · 2025-09-05T10:27:14.000Z
diff --git a/mlir/lib/Dialect/ArmSME/IR/Utils.cpp b/mlir/lib/Dialect/ArmSME/IR/Utils.cpp
@@ -24,9 +24,9 @@ unsigned getSizeInBytes(TypeSize type) {
     return 4;
   case arm_sme::TypeSize::Double:
     return 8;
-  default:
-    llvm_unreachable("unknown type size");
   }
+  llvm_unreachable("unknown type size");
+  return 0;
 }
 
 unsigned getSMETileSliceMinNumElts(Type type) {

Original file line number	Diff line number	Diff line change
`@@ -24,9 +24,9 @@ unsigned getSizeInBytes(TypeSize type) {`
`24`	`24`	`return 4;`
`25`	`25`	`case arm_sme::TypeSize::Double:`
`26`	`26`	`return 8;`
`27`		`- default:`
`28`		`- llvm_unreachable("unknown type size");`
`29`	`27`	`}`
	`28`	`+ llvm_unreachable("unknown type size");`
	`29`	`+ return 0;`
`30`	`30`	`}`
`31`	`31`
`32`	`32`	`unsigned getSMETileSliceMinNumElts(Type type) {`