SPIRV disassembly glsl code containing separate texture and sampler types

draw.frag

#version 450

layout(location = 0) in vec2 v_TexCoord;
layout(location = 0) out vec4 o_Target;
layout(set = 0, binding = 1) uniform texture2D t_Color;
layout(set = 0, binding = 2) uniform sampler s_Color;

void main() {
    o_Target = texture(sampler2D(t_Color, s_Color), v_TexCoord);
}

draw.frag.spv.dis

; SPIR-V
; Version: 1.0
; Generator: Google Shaderc over Glslang; 7
; Bound: 25
; Schema: 0
               OpCapability Shader
          %1 = OpExtInstImport "GLSL.std.450"
               OpMemoryModel Logical GLSL450
               OpEntryPoint Fragment %main "main" %o_Target %v_TexCoord
               OpExecutionMode %main OriginUpperLeft
               OpSource GLSL 450
               OpSourceExtension "GL_GOOGLE_cpp_style_line_directive"
               OpSourceExtension "GL_GOOGLE_include_directive"
               OpName %main "main"
               OpName %o_Target "o_Target"
               OpName %t_Color "t_Color"
               OpName %s_Color "s_Color"
               OpName %v_TexCoord "v_TexCoord"
               OpDecorate %o_Target Location 0
               OpDecorate %t_Color DescriptorSet 0
               OpDecorate %t_Color Binding 1
               OpDecorate %s_Color DescriptorSet 0
               OpDecorate %s_Color Binding 2
               OpDecorate %v_TexCoord Location 0
       %void = OpTypeVoid
          %3 = OpTypeFunction %void
      %float = OpTypeFloat 32
    %v4float = OpTypeVector %float 4
%_ptr_Output_v4float = OpTypePointer Output %v4float
   %o_Target = OpVariable %_ptr_Output_v4float Output
         %10 = OpTypeImage %float 2D 0 0 0 1 Unknown
%_ptr_UniformConstant_10 = OpTypePointer UniformConstant %10
    %t_Color = OpVariable %_ptr_UniformConstant_10 UniformConstant
         %14 = OpTypeSampler
%_ptr_UniformConstant_14 = OpTypePointer UniformConstant %14
    %s_Color = OpVariable %_ptr_UniformConstant_14 UniformConstant
         %18 = OpTypeSampledImage %10
    %v2float = OpTypeVector %float 2
%_ptr_Input_v2float = OpTypePointer Input %v2float
 %v_TexCoord = OpVariable %_ptr_Input_v2float Input
       %main = OpFunction %void None %3
          %5 = OpLabel
         %13 = OpLoad %10 %t_Color
         %17 = OpLoad %14 %s_Color
         %19 = OpSampledImage %18 %13 %17
         %23 = OpLoad %v2float %v_TexCoord
         %24 = OpImageSampleImplicitLod %v4float %19 %23
               OpStore %o_Target %24
               OpReturn
               OpFunctionEnd