diff --git a/mlir/lib/Dialect/LLVMIR/IR/LLVMTypes.cpp b/mlir/lib/Dialect/LLVMIR/IR/LLVMTypes.cpp
--- a/mlir/lib/Dialect/LLVMIR/IR/LLVMTypes.cpp
+++ b/mlir/lib/Dialect/LLVMIR/IR/LLVMTypes.cpp
@@ -731,6 +731,8 @@
       Float64Type,
       Float80Type,
       Float128Type,
+      Float8E4M3FNType,
+      Float8E5M2Type,
       LLVMArrayType,
       LLVMFunctionType,
       LLVMLabelType,
@@ -801,6 +803,8 @@
             Float64Type,
             Float80Type,
             Float128Type,
+            Float8E4M3FNType,
+            Float8E5M2Type,
             LLVMLabelType,
             LLVMMetadataType,
             LLVMPPCFP128Type,