[mlir] Fix a warning

kazutakahirata · kazutakahirata · commit f179daf77b18 · 2025-03-18T07:52:46.000-07:00
This patch fixes:

  mlir/lib/Target/LLVMIR/Dialect/NVVM/NVVMToLLVMIRTranslation.cpp:121:3:
  error: default label in switch which covers all enumeration values
  [-Werror,-Wcovered-switch-default]
diff --git a/mlir/lib/Target/LLVMIR/Dialect/NVVM/NVVMToLLVMIRTranslation.cpp b/mlir/lib/Target/LLVMIR/Dialect/NVVM/NVVMToLLVMIRTranslation.cpp
@@ -118,8 +118,6 @@ static llvm::Intrinsic::ID getMatchSyncIntrinsicId(Type valType,
     // the latter as that's the variant exposed by CUDA API.
     return valType.isInteger(32) ? llvm::Intrinsic::nvvm_match_all_sync_i32p
                                  : llvm::Intrinsic::nvvm_match_all_sync_i64p;
-  default:
-    llvm_unreachable("unknown match sync kind");
   }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -118,8 +118,6 @@ static llvm::Intrinsic::ID getMatchSyncIntrinsicId(Type valType,`
`118`	`118`	`// the latter as that's the variant exposed by CUDA API.`
`119`	`119`	`return valType.isInteger(32) ? llvm::Intrinsic::nvvm_match_all_sync_i32p`
`120`	`120`	`: llvm::Intrinsic::nvvm_match_all_sync_i64p;`
`121`		`- default:`
`122`		`- llvm_unreachable("unknown match sync kind");`
`123`	`121`	`}`
`124`	`122`	`}`
`125`	`123`