NFC: Suppress a -Wimplicit-fallthrough warning in InstructionUtils.cpp.

tshortli · tshortli · commit 95a3bb8bbfa0 · 2024-01-12T18:01:42.000-08:00
diff --git a/lib/SIL/Utils/InstructionUtils.cpp b/lib/SIL/Utils/InstructionUtils.cpp
@@ -917,7 +917,7 @@ RuntimeEffect swift::getRuntimeEffect(SILInstruction *inst, SILType &impactType)
     auto as = ApplySite(inst);
 
     switch (as.getSubstCalleeType()->getRepresentation()) {
-    case SILFunctionTypeRepresentation::ObjCMethod: {
+    case SILFunctionTypeRepresentation::ObjCMethod:
       if (auto *callee = as.getCalleeFunction()) {
         if (auto *clangDecl = callee->getClangDecl()) {
           if (auto clangMethodDecl = dyn_cast<clang::ObjCMethodDecl>(clangDecl)) {
@@ -927,7 +927,7 @@ RuntimeEffect swift::getRuntimeEffect(SILInstruction *inst, SILType &impactType)
           }
         }
       }
-    }
+      LLVM_FALLTHROUGH;
     case SILFunctionTypeRepresentation::Block:
       rt |= RuntimeEffect::ObjectiveC | RuntimeEffect::MetaData;
       break;

Original file line number	Diff line number	Diff line change
`@@ -917,7 +917,7 @@ RuntimeEffect swift::getRuntimeEffect(SILInstruction *inst, SILType &impactType)`
`917`	`917`	`auto as = ApplySite(inst);`
`918`	`918`
`919`	`919`	`switch (as.getSubstCalleeType()->getRepresentation()) {`
`920`		`- case SILFunctionTypeRepresentation::ObjCMethod: {`
	`920`	`+ case SILFunctionTypeRepresentation::ObjCMethod:`
`921`	`921`	`if (auto *callee = as.getCalleeFunction()) {`
`922`	`922`	`if (auto *clangDecl = callee->getClangDecl()) {`
`923`	`923`	`if (auto clangMethodDecl = dyn_cast<clang::ObjCMethodDecl>(clangDecl)) {`
`@@ -927,7 +927,7 @@ RuntimeEffect swift::getRuntimeEffect(SILInstruction *inst, SILType &impactType)`
`927`	`927`	`}`
`928`	`928`	`}`
`929`	`929`	`}`
`930`		`- }`
	`930`	`+ LLVM_FALLTHROUGH;`
`931`	`931`	`case SILFunctionTypeRepresentation::Block:`
`932`	`932`	`rt \|= RuntimeEffect::ObjectiveC \| RuntimeEffect::MetaData;`
`933`	`933`	`break;`