[mlir] Fix a warning

kazutakahirata · kazutakahirata · commit 936e5284652e · 2025-04-27T22:51:38.000-07:00
This patch fixes:

  mlir/lib/Dialect/LLVMIR/IR/NVVMDialect.cpp:1304:3: error: default
  label in switch which covers all enumeration values
  [-Werror,-Wcovered-switch-default]
diff --git a/mlir/lib/Dialect/LLVMIR/IR/NVVMDialect.cpp b/mlir/lib/Dialect/LLVMIR/IR/NVVMDialect.cpp
@@ -1301,8 +1301,6 @@ llvm::Intrinsic::ID CvtToF6x2Op::getIntrinsicID(NVVM::CVTFP6Type type,
     return CVT_TO_F6X2_ID_IMPL(e2m3x2, hasRelu);
   case NVVM::CVTFP6Type::E3M2:
     return CVT_TO_F6X2_ID_IMPL(e3m2x2, hasRelu);
-  default:
-    llvm_unreachable("Invalid CVTFP6Type for CvtToF6x2Op");
   }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -1301,8 +1301,6 @@ llvm::Intrinsic::ID CvtToF6x2Op::getIntrinsicID(NVVM::CVTFP6Type type,`
`1301`	`1301`	`return CVT_TO_F6X2_ID_IMPL(e2m3x2, hasRelu);`
`1302`	`1302`	`case NVVM::CVTFP6Type::E3M2:`
`1303`	`1303`	`return CVT_TO_F6X2_ID_IMPL(e3m2x2, hasRelu);`
`1304`		`- default:`
`1305`		`- llvm_unreachable("Invalid CVTFP6Type for CvtToF6x2Op");`
`1306`	`1304`	`}`
`1307`	`1305`	`}`
`1308`	`1306`