Silence a "not all control paths return a value" warning; NFC

AaronBallman · AaronBallman · commit 86cdb2929cce · 2022-04-18T08:54:08.000-04:00
diff --git a/llvm/lib/Transforms/IPO/AttributorAttributes.cpp b/llvm/lib/Transforms/IPO/AttributorAttributes.cpp
@@ -3346,6 +3346,7 @@ struct AANoAliasCallSiteArgument final : AANoAliasImpl {
         Follow = true;
         return true;
       }
+      llvm_unreachable("unknown UseCaptureKind");
     };
 
     if (!NoCaptureAA.isAssumedNoCaptureMaybeReturned()) {

Original file line number	Diff line number	Diff line change
`@@ -3346,6 +3346,7 @@ struct AANoAliasCallSiteArgument final : AANoAliasImpl {`
`3346`	`3346`	`Follow = true;`
`3347`	`3347`	`return true;`
`3348`	`3348`	`}`
	`3349`	`+ llvm_unreachable("unknown UseCaptureKind");`
`3349`	`3350`	`};`
`3350`	`3351`
`3351`	`3352`	`if (!NoCaptureAA.isAssumedNoCaptureMaybeReturned()) {`