[mlir][NVVM] Fix default label unreachable warning in getVoteSyncIntrinsicId (#134600)

jtuyls · web-flow · commit 96de8435b90e · 2025-04-07T13:13:02.000+02:00
Fixes the following warning after the changes in #134309: ``` llvm-project/mlir/lib/Target/LLVMIR/Dialect/NVVM/NVVMToLLVMIRTranslation.cpp:134:3: warning: default label in switch which covers all enumeration values [-Wcovered-switch-default] default: ^ 1 warning generated. ```
diff --git a/mlir/lib/Target/LLVMIR/Dialect/NVVM/NVVMToLLVMIRTranslation.cpp b/mlir/lib/Target/LLVMIR/Dialect/NVVM/NVVMToLLVMIRTranslation.cpp
@@ -131,9 +131,8 @@ static llvm::Intrinsic::ID getVoteSyncIntrinsicId(NVVM::VoteSyncKind kind) {
     return llvm::Intrinsic::nvvm_vote_ballot_sync;
   case NVVM::VoteSyncKind::uni:
     return llvm::Intrinsic::nvvm_vote_uni_sync;
-  default:
-    llvm_unreachable("unsupported vote kind");
   }
+  llvm_unreachable("unsupported vote kind");
 }
 
 /// Return the intrinsic ID associated with ldmatrix for the given paramters.

Original file line number	Diff line number	Diff line change
`@@ -131,9 +131,8 @@ static llvm::Intrinsic::ID getVoteSyncIntrinsicId(NVVM::VoteSyncKind kind) {`
`131`	`131`	`return llvm::Intrinsic::nvvm_vote_ballot_sync;`
`132`	`132`	`case NVVM::VoteSyncKind::uni:`
`133`	`133`	`return llvm::Intrinsic::nvvm_vote_uni_sync;`
`134`		`- default:`
`135`		`- llvm_unreachable("unsupported vote kind");`
`136`	`134`	`}`
	`135`	`+ llvm_unreachable("unsupported vote kind");`
`137`	`136`	`}`
`138`	`137`
`139`	`138`	`/// Return the intrinsic ID associated with ldmatrix for the given paramters.`