diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -5411,7 +5411,13 @@
 
         assert(PTy->canLosslesslyBitCastTo(FTy->getParamType(i)) &&
                "Must be able to losslessly bit cast to param");
-        ArgValue = Builder.CreateBitCast(ArgValue, PTy);
+        // Cast vector type (e.g., v256i32) to x86_amx, this only happen
+        // in amx intrinsics.
+        if (PTy->isX86_AMXTy())
+          ArgValue = Builder.CreateIntrinsic(Intrinsic::x86_cast_vector_to_tile,
+                                             {ArgValue->getType()}, {ArgValue});
+        else
+          ArgValue = Builder.CreateBitCast(ArgValue, PTy);
       }
 
       Args.push_back(ArgValue);
@@ -5435,7 +5441,13 @@
 
       assert(V->getType()->canLosslesslyBitCastTo(RetTy) &&
              "Must be able to losslessly bit cast result type");
-      V = Builder.CreateBitCast(V, RetTy);
+      // Cast x86_amx to vector type (e.g., v256i32), this only happen
+      // in amx intrinsics.
+      if (V->getType()->isX86_AMXTy())
+        V = Builder.CreateIntrinsic(Intrinsic::x86_cast_tile_to_vector, {RetTy},
+                                    {V});
+      else
+        V = Builder.CreateBitCast(V, RetTy);
     }
 
     return RValue::get(V);
diff --git a/clang/test/CodeGen/X86/amx_api.c b/clang/test/CodeGen/X86/amx_api.c
--- a/clang/test/CodeGen/X86/amx_api.c
+++ b/clang/test/CodeGen/X86/amx_api.c
@@ -11,9 +11,11 @@
 // This is an example code and integration test.
 void test_api(int cond, short row, short col) {
   //CHECK-LABEL: @test_api
-  //CHECK: call x86_amx @llvm.x86.tileloadd64.internal
-  //CHECK: call x86_amx @llvm.x86.tdpbssd.internal
-  //CHECK: call void @llvm.x86.tilestored64.internal
+  //CHECK-DAG: call x86_amx @llvm.x86.tileloadd64.internal
+  //CHECK-DAG: call <256 x i32> @llvm.x86.cast.tile.to.vector.v256i32(x86_amx {{%.*}})
+  //CHECK-DAG: call x86_amx @llvm.x86.cast.vector.to.tile.v256i32(<256 x i32> {{%.*}})
+  //CHECK-DAG: call x86_amx @llvm.x86.tdpbssd.internal
+  //CHECK-DAG: call void @llvm.x86.tilestored64.internal
   __tile1024i a = {row, 8};
   __tile1024i b = {8, col};
   __tile1024i c = {row, col};
@@ -33,65 +35,70 @@
 
 void test_tile_loadd(short row, short col) {
   //CHECK-LABEL: @test_tile_loadd
-  //CHECK: call x86_amx @llvm.x86.tileloadd64.internal
-  //CHECK-NEXT: {{%.*}} = bitcast x86_amx {{%.*}} to <256 x i32>
+  //CHECK-DAG: call x86_amx @llvm.x86.tileloadd64.internal
+  //CHECK-DAG: call <256 x i32> @llvm.x86.cast.tile.to.vector.v256i32(x86_amx {{%.*}})
   __tile1024i a = {row, col};
   __tile_loadd(&a, buf, STRIDE);
 }
 
 void test_tile_stream_loadd(short row, short col) {
   //CHECK-LABEL: @test_tile_stream_loadd
-  //CHECK: call x86_amx @llvm.x86.tileloaddt164.internal
-  //CHECK-NEXT: {{%.*}} = bitcast x86_amx {{%.*}} to <256 x i32>
+  //CHECK-DAG: call x86_amx @llvm.x86.tileloaddt164.internal
+  //CHECK-DAG: call <256 x i32> @llvm.x86.cast.tile.to.vector.v256i32(x86_amx {{%.*}})
   __tile1024i a = {row, col};
   __tile_stream_loadd(&a, buf, STRIDE);
 }
 
 void test_tile_dpbssd(__tile1024i a, __tile1024i b, __tile1024i c) {
   //CHECK-LABEL: @test_tile_dpbssd
-  //CHECK: call x86_amx @llvm.x86.tdpbssd.internal
-  //CHECK-NEXT: {{%.*}} = bitcast x86_amx {{%.*}} to <256 x i32>
+  //CHECK-DAG: call x86_amx @llvm.x86.cast.vector.to.tile.v256i32(<256 x i32> {{%.*}})
+  //CHECK-DAG: call x86_amx @llvm.x86.tdpbssd.internal
+  //CHECK-DAG: call <256 x i32> @llvm.x86.cast.tile.to.vector.v256i32(x86_amx {{%.*}})
   __tile_dpbssd(&c, a, b);
 }
 
 void test_tile_dpbsud(__tile1024i a, __tile1024i b, __tile1024i c) {
   //CHECK-LABEL: @test_tile_dpbsud
-  //CHECK: call x86_amx @llvm.x86.tdpbsud.internal
-  //CHECK-NEXT: {{%.*}} = bitcast x86_amx {{%.*}} to <256 x i32>
+  //CHECK-DAG: call x86_amx @llvm.x86.cast.vector.to.tile.v256i32(<256 x i32> {{%.*}})
+  //CHECK-DAG: call x86_amx @llvm.x86.tdpbsud.internal
+  //CHECK-DAG: call <256 x i32> @llvm.x86.cast.tile.to.vector.v256i32(x86_amx {{%.*}})
   __tile_dpbsud(&c, a, b);
 }
 
 void test_tile_dpbusd(__tile1024i a, __tile1024i b, __tile1024i c) {
   //CHECK-LABEL: @test_tile_dpbusd
-  //CHECK: call x86_amx @llvm.x86.tdpbusd.internal
-  //CHECK-NEXT: {{%.*}} = bitcast x86_amx {{%.*}} to <256 x i32>
+  //CHECK-DAG: call x86_amx @llvm.x86.cast.vector.to.tile.v256i32(<256 x i32> {{%.*}})
+  //CHECK-DAG: call x86_amx @llvm.x86.tdpbusd.internal
+  //CHECK-DAG: call <256 x i32> @llvm.x86.cast.tile.to.vector.v256i32(x86_amx {{%.*}})
   __tile_dpbusd(&c, a, b);
 }
 
 void test_tile_dpbuud(__tile1024i a, __tile1024i b, __tile1024i c) {
   //CHECK-LABEL: @test_tile_dpbuud
-  //CHECK: call x86_amx @llvm.x86.tdpbuud.internal
-  //CHECK-NEXT: {{%.*}} = bitcast x86_amx {{%.*}} to <256 x i32>
+  //CHECK-DAG: call x86_amx @llvm.x86.cast.vector.to.tile.v256i32(<256 x i32> {{%.*}})
+  //CHECK-DAG: call x86_amx @llvm.x86.tdpbuud.internal
+  //CHECK-DAG: call <256 x i32> @llvm.x86.cast.tile.to.vector.v256i32(x86_amx {{%.*}})
   __tile_dpbuud(&c, a, b);
 }
 
 void test_tile_stored(__tile1024i c) {
   //CHECK-LABEL: @test_tile_stored
-  //CHECK: {{%.*}} = bitcast <256 x i32> {{%.*}} to x86_amx
-  //CHECK-NEXT: call void @llvm.x86.tilestored64.internal
+  //CHECK-DAG: call x86_amx @llvm.x86.cast.vector.to.tile.v256i32(<256 x i32> {{%.*}})
+  //CHECK-DAG: call void @llvm.x86.tilestored64.internal
   __tile_stored(buf, STRIDE, c);
 }
 
 void test_tile_zero(__tile1024i c) {
   //CHECK-LABEL: @test_tile_zero
-  //CHECK: call x86_amx @llvm.x86.tilezero.internal
-  //CHECK-NEXT bitcast x86_amx {{%.*}} to <256 x i32>
+  //CHECK-DAG: call x86_amx @llvm.x86.tilezero.internal
+  //CHECK-DAG: call <256 x i32> @llvm.x86.cast.tile.to.vector.v256i32(x86_amx {{%.*}})
   __tile_zero(&c);
 }
 
 void test_tile_dpbf16ps(__tile1024i a, __tile1024i b, __tile1024i c) {
   //CHECK-LABEL: @test_tile_dpbf16ps
-  //CHECK: call x86_amx @llvm.x86.tdpbf16ps.internal
-  //CHECK-NEXT: {{%.*}} = bitcast x86_amx {{%.*}} to <256 x i32>
+  //CHECK-DAG: call x86_amx @llvm.x86.cast.vector.to.tile.v256i32(<256 x i32> {{%.*}})
+  //CHECK-DAG: call x86_amx @llvm.x86.tdpbf16ps.internal
+  //CHECK-DAG: call <256 x i32> @llvm.x86.cast.tile.to.vector.v256i32(x86_amx {{%.*}})
   __tile_dpbf16ps(&a, b, c);
 }