MSL: Add test for fixes to MSL constant expression type down-casting.
diff --git a/reference/opt/shaders-msl/comp/type_casting_i64.msl22.comp b/reference/opt/shaders-msl/comp/type_casting_i64.msl22.comp
new file mode 100644
index 0000000..6820b07
--- /dev/null
+++ b/reference/opt/shaders-msl/comp/type_casting_i64.msl22.comp
@@ -0,0 +1,27 @@
+#include <metal_stdlib>
+#include <simd/simd.h>
+
+using namespace metal;
+
+struct dst_buff_t
+{
+ int m0[1];
+};
+
+struct src_buff_t
+{
+ int m0[1];
+};
+
+constant int base_val_tmp [[function_constant(0)]];
+constant int base_val = is_function_constant_defined(base_val_tmp) ? base_val_tmp : 0;
+constant long shift_val_tmp [[function_constant(1)]];
+constant long shift_val = is_function_constant_defined(shift_val_tmp) ? shift_val_tmp : 0l;
+constant int offset = (base_val >> int(shift_val));
+constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(1u);
+
+kernel void main0(device dst_buff_t& dst_buff [[buffer(0)]], device src_buff_t& src_buff [[buffer(1)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]])
+{
+ dst_buff.m0[gl_GlobalInvocationID.x] = src_buff.m0[gl_GlobalInvocationID.x] + offset;
+}
+
diff --git a/reference/shaders-msl/comp/type_casting_i64.msl22.comp b/reference/shaders-msl/comp/type_casting_i64.msl22.comp
new file mode 100644
index 0000000..6820b07
--- /dev/null
+++ b/reference/shaders-msl/comp/type_casting_i64.msl22.comp
@@ -0,0 +1,27 @@
+#include <metal_stdlib>
+#include <simd/simd.h>
+
+using namespace metal;
+
+struct dst_buff_t
+{
+ int m0[1];
+};
+
+struct src_buff_t
+{
+ int m0[1];
+};
+
+constant int base_val_tmp [[function_constant(0)]];
+constant int base_val = is_function_constant_defined(base_val_tmp) ? base_val_tmp : 0;
+constant long shift_val_tmp [[function_constant(1)]];
+constant long shift_val = is_function_constant_defined(shift_val_tmp) ? shift_val_tmp : 0l;
+constant int offset = (base_val >> int(shift_val));
+constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(1u);
+
+kernel void main0(device dst_buff_t& dst_buff [[buffer(0)]], device src_buff_t& src_buff [[buffer(1)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]])
+{
+ dst_buff.m0[gl_GlobalInvocationID.x] = src_buff.m0[gl_GlobalInvocationID.x] + offset;
+}
+
diff --git a/shaders-msl/comp/type_casting_i64.msl22.comp b/shaders-msl/comp/type_casting_i64.msl22.comp
new file mode 100644
index 0000000..45e682e
--- /dev/null
+++ b/shaders-msl/comp/type_casting_i64.msl22.comp
@@ -0,0 +1,23 @@
+#version 450
+#extension GL_ARB_gpu_shader_int64 : require
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+
+layout(constant_id = 0) const int base_val = 0;
+layout(constant_id = 1) const int64_t shift_val = 0;
+const int offset = base_val >> shift_val;
+
+layout(set = 0, binding = 0, std430) buffer src_buff_t
+{
+ int m0[];
+} src_buff;
+
+layout(set = 0, binding = 1, std430) buffer dst_buff_t
+{
+ int m0[];
+} dst_buff;
+
+void main()
+{
+ dst_buff.m0[gl_GlobalInvocationID.x] = src_buff.m0[gl_GlobalInvocationID.x] + offset;
+}
+
