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,
diff --git a/mlir/test/Target/LLVMIR/llvmir.mlir b/mlir/test/Target/LLVMIR/llvmir.mlir
--- a/mlir/test/Target/LLVMIR/llvmir.mlir
+++ b/mlir/test/Target/LLVMIR/llvmir.mlir
@@ -1,4 +1,4 @@
-// RUN: mlir-translate -mlir-to-llvmir -split-input-file %s | FileCheck %s
+// RUN: mlir-translate -mlir-to-llvmir -split-input-file %s | FileCheck %s --dump-input=always
 
 // CHECK: @global_aligned32 = private global i64 42, align 32
 "llvm.mlir.global"() ({}) {sym_name = "global_aligned32", global_type = i64, value = 42 : i64, linkage = #llvm.linkage<private>, alignment = 32} : () -> ()
@@ -944,6 +944,11 @@
   llvm.return %0 : vector<[4]xf32>
 }
 
+// CHECK-LABEL: @f8_ptrs(ptr {{%.*}}, ptr {{%.*}})
+llvm.func @f8_ptrs(%arg0: !llvm.ptr<f8E5M2>, %arg1: !llvm.ptr<f8E4M3FN>) {
+  llvm.return
+}
+
 // CHECK-LABEL: @ops
 llvm.func @ops(%arg0: f32, %arg1: f32, %arg2: i32, %arg3: i32) -> !llvm.struct<(f32, i32)> {
 // CHECK-NEXT: fsub float %0, %1