diff --git a/cmake/external/composable_kernel.cmake b/cmake/external/composable_kernel.cmake
index b388a01209f4e..badd4011ac72d 100644
--- a/cmake/external/composable_kernel.cmake
+++ b/cmake/external/composable_kernel.cmake
@@ -1,12 +1,14 @@
 set(PATCH_CLANG ${PROJECT_SOURCE_DIR}/patches/composable_kernel/Fix_Clang_Build.patch)
 set(PATCH_GFX12X ${PROJECT_SOURCE_DIR}/patches/composable_kernel/Add_gfx12x_support.patch)
+set(PATCH_Clang20 ${PROJECT_SOURCE_DIR}/patches/composable_kernel/Fix_Clang20_error.patch)
 
 include(FetchContent)
 FetchContent_Declare(composable_kernel
   URL ${DEP_URL_composable_kernel}
   URL_HASH SHA1=${DEP_SHA1_composable_kernel}
   PATCH_COMMAND ${Patch_EXECUTABLE} --binary --ignore-whitespace -p1 < ${PATCH_CLANG} &&
-                ${Patch_EXECUTABLE} --binary --ignore-whitespace -p1 < ${PATCH_GFX12X}
+                ${Patch_EXECUTABLE} --binary --ignore-whitespace -p1 < ${PATCH_GFX12X} &&
+                ${Patch_EXECUTABLE} --binary --ignore-whitespace -p1 < ${PATCH_Clang20}
 )
 
 FetchContent_GetProperties(composable_kernel)
diff --git a/cmake/patches/composable_kernel/Fix_Clang20_error.patch b/cmake/patches/composable_kernel/Fix_Clang20_error.patch
new file mode 100644
index 0000000000000..7519a91dcf296
--- /dev/null
+++ b/cmake/patches/composable_kernel/Fix_Clang20_error.patch
@@ -0,0 +1,358 @@
+diff --git a/include/ck/tensor_operation/gpu/block/blockwise_gemm_pipeline_xdlops.hpp b/include/ck/tensor_operation/gpu/block/blockwise_gemm_pipeline_xdlops.hpp
+index 5d137e67..758f25a5 100644
+--- a/include/ck/tensor_operation/gpu/block/blockwise_gemm_pipeline_xdlops.hpp
++++ b/include/ck/tensor_operation/gpu/block/blockwise_gemm_pipeline_xdlops.hpp
+@@ -406,7 +406,7 @@ struct BlockwiseGemmXdlops_pipeline_v4
+     }
+
+     template <>
+-    __device__ static constexpr auto TailScheduler<1>()
++    __device__ constexpr auto TailScheduler<1>()
+     {
+         // schedule
+         constexpr auto num_ds_read_inst =
+@@ -433,7 +433,7 @@ struct BlockwiseGemmXdlops_pipeline_v4
+     }
+
+     template <>
+-    __device__ static constexpr auto TailScheduler<2>()
++    __device__ constexpr auto TailScheduler<2>()
+     {
+         // schedule
+         constexpr auto num_ds_read_inst =
+diff --git a/include/ck/tensor_operation/gpu/warp/dpp_gemm.hpp b/include/ck/tensor_operation/gpu/warp/dpp_gemm.hpp
+index a1844316..409bb9f6 100644
+--- a/include/ck/tensor_operation/gpu/warp/dpp_gemm.hpp
++++ b/include/ck/tensor_operation/gpu/warp/dpp_gemm.hpp
+@@ -324,55 +324,55 @@ struct DppSelector
+     static constexpr auto GetDpp();
+
+     template <>
+-    static constexpr auto GetDpp<half_t, 8, 32>()
++    constexpr auto GetDpp<half_t, 8, 32>()
+     {
+         return DppInstr::dpp8_f16_8x32x2;
+     }
+
+     template <>
+-    static constexpr auto GetDpp<half_t, 8, 16>()
++    constexpr auto GetDpp<half_t, 8, 16>()
+     {
+         return DppInstr::dpp8_f16_8x16x2;
+     }
+
+     template <>
+-    static constexpr auto GetDpp<half_t, 16, 16>()
++    constexpr auto GetDpp<half_t, 16, 16>()
+     {
+         return DppInstr::dpp8_f16_16x16x2;
+     }
+
+     template <>
+-    static constexpr auto GetDpp<half_t, 32, 8>()
++    constexpr auto GetDpp<half_t, 32, 8>()
+     {
+         return DppInstr::dpp8_f16_32x8x2;
+     }
+
+     template <>
+-    static constexpr auto GetDpp<half_t, 1, 32>()
++    constexpr auto GetDpp<half_t, 1, 32>()
+     {
+         return DppInstr::dpp8_f16_1x32x2;
+     }
+
+     template <>
+-    static constexpr auto GetDpp<half_t, 2, 32>()
++    constexpr auto GetDpp<half_t, 2, 32>()
+     {
+         return DppInstr::dpp8_f16_2x32x2;
+     }
+
+     template <>
+-    static constexpr auto GetDpp<half_t, 2, 16>()
++    constexpr auto GetDpp<half_t, 2, 16>()
+     {
+         return DppInstr::dpp8_f16_2x16x2;
+     }
+
+     template <>
+-    static constexpr auto GetDpp<half_t, 4, 16>()
++    constexpr auto GetDpp<half_t, 4, 16>()
+     {
+         return DppInstr::dpp8_f16_4x16x2;
+     }
+
+     template <>
+-    static constexpr auto GetDpp<half_t, 4, 32>()
++    constexpr auto GetDpp<half_t, 4, 32>()
+     {
+         return DppInstr::dpp8_f16_4x32x2;
+     }
+diff --git a/include/ck/tensor_operation/gpu/warp/wmma_gemm.hpp b/include/ck/tensor_operation/gpu/warp/wmma_gemm.hpp
+index 9a9ebf55..b435a2a1 100644
+--- a/include/ck/tensor_operation/gpu/warp/wmma_gemm.hpp
++++ b/include/ck/tensor_operation/gpu/warp/wmma_gemm.hpp
+@@ -415,7 +415,7 @@ struct WmmaSelector
+     static constexpr auto GetWmma();
+
+     template <>
+-    static constexpr auto GetWmma<half_t, half_t, float, 16, 16>()
++    constexpr auto GetWmma<half_t, half_t, float, 16, 16>()
+     {
+ #ifdef __gfx12__
+         return WmmaInstr::wmma_f32_16x16x16_f16_gfx12;
+@@ -425,7 +425,7 @@ struct WmmaSelector
+     }
+
+     template <>
+-    static constexpr auto GetWmma<bhalf_t, bhalf_t, float, 16, 16>()
++    constexpr auto GetWmma<bhalf_t, bhalf_t, float, 16, 16>()
+     {
+ #ifdef __gfx12__
+         return WmmaInstr::wmma_f32_16x16x16_bf16_gfx12;
+@@ -435,19 +435,19 @@ struct WmmaSelector
+     }
+
+     template <>
+-    static constexpr auto GetWmma<half_t, half_t, half_t, 16, 16>()
++    constexpr auto GetWmma<half_t, half_t, half_t, 16, 16>()
+     {
+         return WmmaInstr::wmma_f16_16x16x16_f16;
+     }
+
+     template <>
+-    static constexpr auto GetWmma<bhalf_t, bhalf_t, bhalf_t, 16, 16>()
++    constexpr auto GetWmma<bhalf_t, bhalf_t, bhalf_t, 16, 16>()
+     {
+         return WmmaInstr::wmma_bf16_16x16x16_bf16;
+     }
+
+     template <>
+-    static constexpr auto GetWmma<int8_t, int8_t, int, 16, 16>()
++    constexpr auto GetWmma<int8_t, int8_t, int, 16, 16>()
+     {
+ #ifdef __gfx12__
+         return WmmaInstr::wmma_i32_16x16x16_iu8_gfx12;
+@@ -458,7 +458,7 @@ struct WmmaSelector
+
+ #ifdef CK_EXPERIMENTAL_BIT_INT_EXTENSION_INT4
+     template <>
+-    static constexpr auto GetWmma<int4_t, int4_t, int, 16, 16>()
++    constexpr auto GetWmma<int4_t, int4_t, int, 16, 16>()
+     {
+         return WmmaInstr::wmma_i32_16x16x16_iu4;
+     }
+diff --git a/include/ck/tensor_operation/gpu/warp/xdlops_gemm.hpp b/include/ck/tensor_operation/gpu/warp/xdlops_gemm.hpp
+index 835075b7..24fac91e 100644
+--- a/include/ck/tensor_operation/gpu/warp/xdlops_gemm.hpp
++++ b/include/ck/tensor_operation/gpu/warp/xdlops_gemm.hpp
+@@ -651,97 +651,97 @@ struct MfmaSelector
+     static constexpr auto GetMfma();
+
+     template <>
+-    static constexpr auto GetMfma<double, 16, 16>()
++    constexpr auto GetMfma<double, 16, 16>()
+     {
+         return MfmaInstr::mfma_f64_16x16x4f64;
+     }
+
+     template <>
+-    static constexpr auto GetMfma<float, 64, 64>()
++    constexpr auto GetMfma<float, 64, 64>()
+     {
+         return MfmaInstr::mfma_f32_32x32x1xf32;
+     }
+
+     template <>
+-    static constexpr auto GetMfma<float, 32, 64>()
++    constexpr auto GetMfma<float, 32, 64>()
+     {
+         return MfmaInstr::mfma_f32_32x32x1xf32;
+     }
+
+     template <>
+-    static constexpr auto GetMfma<float, 16, 64>()
++    constexpr auto GetMfma<float, 16, 64>()
+     {
+         return MfmaInstr::mfma_f32_16x16x1xf32;
+     }
+
+     template <>
+-    static constexpr auto GetMfma<float, 8, 64>()
++    constexpr auto GetMfma<float, 8, 64>()
+     {
+         return MfmaInstr::mfma_f32_4x4x1xf32;
+     }
+
+     template <>
+-    static constexpr auto GetMfma<float, 4, 64>()
++    constexpr auto GetMfma<float, 4, 64>()
+     {
+         return MfmaInstr::mfma_f32_4x4x1xf32;
+     }
+
+     template <>
+-    static constexpr auto GetMfma<float, 32, 32>()
++    constexpr auto GetMfma<float, 32, 32>()
+     {
+         return MfmaInstr::mfma_f32_32x32x2xf32;
+     }
+
+     template <>
+-    static constexpr auto GetMfma<float, 16, 16>()
++    constexpr auto GetMfma<float, 16, 16>()
+     {
+         return MfmaInstr::mfma_f32_16x16x4xf32;
+     }
+
+     template <>
+-    static constexpr auto GetMfma<half_t, 64, 64>()
++    constexpr auto GetMfma<half_t, 64, 64>()
+     {
+         return MfmaInstr::mfma_f32_32x32x4f16;
+     }
+
+     template <>
+-    static constexpr auto GetMfma<half_t, 32, 64>()
++    constexpr auto GetMfma<half_t, 32, 64>()
+     {
+         return MfmaInstr::mfma_f32_32x32x4f16;
+     }
+
+     template <>
+-    static constexpr auto GetMfma<half_t, 32, 32>()
++    constexpr auto GetMfma<half_t, 32, 32>()
+     {
+         return MfmaInstr::mfma_f32_32x32x8f16;
+     }
+
+     template <>
+-    static constexpr auto GetMfma<half_t, 16, 16>()
++    constexpr auto GetMfma<half_t, 16, 16>()
+     {
+         return MfmaInstr::mfma_f32_16x16x16f16;
+     }
+
+     template <>
+-    static constexpr auto GetMfma<half_t, 16, 64>()
++    constexpr auto GetMfma<half_t, 16, 64>()
+     {
+         return MfmaInstr::mfma_f32_16x16x4f16;
+     }
+
+     template <>
+-    static constexpr auto GetMfma<half_t, 8, 64>()
++    constexpr auto GetMfma<half_t, 8, 64>()
+     {
+         return MfmaInstr::mfma_f32_4x4x4f16;
+     }
+
+     template <>
+-    static constexpr auto GetMfma<half_t, 4, 64>()
++    constexpr auto GetMfma<half_t, 4, 64>()
+     {
+         return MfmaInstr::mfma_f32_4x4x4f16;
+     }
+
+     template <>
+-    static constexpr auto GetMfma<bhalf_t, 32, 32>()
++    constexpr auto GetMfma<bhalf_t, 32, 32>()
+     {
+ #if defined(CK_USE_AMD_MFMA_BF16_1K_OP)
+         return MfmaInstr::mfma_f32_32x32x8bf16_1k;
+@@ -751,7 +751,7 @@ struct MfmaSelector
+     }
+
+     template <>
+-    static constexpr auto GetMfma<bhalf_t, 16, 16>()
++    constexpr auto GetMfma<bhalf_t, 16, 16>()
+     {
+ #if defined(CK_USE_AMD_MFMA_BF16_1K_OP)
+         return MfmaInstr::mfma_f32_16x16x16bf16_1k;
+@@ -762,72 +762,72 @@ struct MfmaSelector
+
+ #if defined(CK_USE_AMD_MFMA_GFX940)
+     template <>
+-    static constexpr auto GetMfma<int8_t, 32, 32>()
++    constexpr auto GetMfma<int8_t, 32, 32>()
+     {
+         return MfmaInstr::mfma_i32_32x32x16i8;
+     }
+     template <>
+-    static constexpr auto GetMfma<int8_t, 16, 16>()
++    constexpr auto GetMfma<int8_t, 16, 16>()
+     {
+         return MfmaInstr::mfma_i32_16x16x32i8;
+     }
+ #else
+     template <>
+-    static constexpr auto GetMfma<int8_t, 32, 32>()
++    constexpr auto GetMfma<int8_t, 32, 32>()
+     {
+         return MfmaInstr::mfma_i32_32x32x8i8;
+     }
+     template <>
+-    static constexpr auto GetMfma<int8_t, 16, 16>()
++    constexpr auto GetMfma<int8_t, 16, 16>()
+     {
+         return MfmaInstr::mfma_i32_16x16x16i8;
+     }
+ #endif
+
+     template <>
+-    static constexpr auto GetMfma<f8_t, 32, 32>()
++    constexpr auto GetMfma<f8_t, 32, 32>()
+     {
+         return MfmaInstr::mfma_f32_32x32x16f8f8;
+     }
+
+     template <>
+-    static constexpr auto GetMfma<f8_t, 16, 16>()
++    constexpr auto GetMfma<f8_t, 16, 16>()
+     {
+         return MfmaInstr::mfma_f32_16x16x32f8f8;
+     }
+
+     template <>
+-    static constexpr auto GetMfma<bf8_t, 32, 32>()
++    constexpr auto GetMfma<bf8_t, 32, 32>()
+     {
+         return MfmaInstr::mfma_f32_32x32x16bf8bf8;
+     }
+
+     template <>
+-    static constexpr auto GetMfma<bf8_t, 16, 16>()
++    constexpr auto GetMfma<bf8_t, 16, 16>()
+     {
+         return MfmaInstr::mfma_f32_16x16x32bf8bf8;
+     }
+
+     template <>
+-    static constexpr auto GetMfma<f8_t, 32, 32, bf8_t>()
++    constexpr auto GetMfma<f8_t, 32, 32, bf8_t>()
+     {
+         return MfmaInstr::mfma_f32_32x32x16f8bf8;
+     }
+
+     template <>
+-    static constexpr auto GetMfma<f8_t, 16, 16, bf8_t>()
++    constexpr auto GetMfma<f8_t, 16, 16, bf8_t>()
+     {
+         return MfmaInstr::mfma_f32_16x16x32f8bf8;
+     }
+
+     template <>
+-    static constexpr auto GetMfma<bf8_t, 32, 32, f8_t>()
++    constexpr auto GetMfma<bf8_t, 32, 32, f8_t>()
+     {
+         return MfmaInstr::mfma_f32_32x32x16bf8f8;
+     }
+
+     template <>
+-    static constexpr auto GetMfma<bf8_t, 16, 16, f8_t>()
++    constexpr auto GetMfma<bf8_t, 16, 16, f8_t>()
+     {
+         return MfmaInstr::mfma_f32_16x16x32bf8f8;
+     }
+