shaders-msl-no-opt/asm/comp/arithmetic-conversion-signs.asm.comp

; SPIR-V
; Version: 1.0
; Generator: Khronos Glslang Reference Front End; 7
; Bound: 76
; Schema: 0
               OpCapability Shader
               OpCapability Int16
               OpCapability StorageBuffer16BitAccess
               OpExtension "SPV_KHR_16bit_storage"
          %1 = OpExtInstImport "GLSL.std.450"
               OpMemoryModel Logical GLSL450
               OpEntryPoint GLCompute %main "main"
               OpExecutionMode %main LocalSize 1 1 1
               OpSource GLSL 450
               OpSourceExtension "GL_EXT_shader_explicit_arithmetic_types_int16"
               OpName %main "main"
               OpName %SSBO "SSBO"
               OpMemberName %SSBO 0 "s32"
               OpMemberName %SSBO 1 "u32"
               OpMemberName %SSBO 2 "s16"
               OpMemberName %SSBO 3 "u16"
               OpMemberName %SSBO 4 "f32"
               OpName %_ ""
               OpMemberDecorate %SSBO 0 Offset 0
               OpMemberDecorate %SSBO 1 Offset 4
               OpMemberDecorate %SSBO 2 Offset 8
               OpMemberDecorate %SSBO 3 Offset 10
               OpMemberDecorate %SSBO 4 Offset 12
               OpDecorate %SSBO BufferBlock
               OpDecorate %_ DescriptorSet 0
               OpDecorate %_ Binding 0
       %void = OpTypeVoid
          %3 = OpTypeFunction %void
        %int = OpTypeInt 32 1
       %uint = OpTypeInt 32 0
      %short = OpTypeInt 16 1
     %ushort = OpTypeInt 16 0
      %float = OpTypeFloat 32
       %SSBO = OpTypeStruct %int %uint %short %ushort %float
%_ptr_Uniform_SSBO = OpTypePointer Uniform %SSBO
          %_ = OpVariable %_ptr_Uniform_SSBO Uniform
      %int_2 = OpConstant %int 2
      %int_0 = OpConstant %int 0
%_ptr_Uniform_int = OpTypePointer Uniform %int
%_ptr_Uniform_short = OpTypePointer Uniform %short
      %int_1 = OpConstant %int 1
%_ptr_Uniform_uint = OpTypePointer Uniform %uint
      %int_3 = OpConstant %int 3
%_ptr_Uniform_ushort = OpTypePointer Uniform %ushort
      %int_4 = OpConstant %int 4
%_ptr_Uniform_float = OpTypePointer Uniform %float
       %main = OpFunction %void None %3
          %5 = OpLabel
         %ptr_s32 = OpAccessChain %_ptr_Uniform_int %_ %int_0
         %ptr_u32 = OpAccessChain %_ptr_Uniform_uint %_ %int_1
         %ptr_s16 = OpAccessChain %_ptr_Uniform_short %_ %int_2
         %ptr_u16 = OpAccessChain %_ptr_Uniform_ushort %_ %int_3
         %ptr_f32 = OpAccessChain %_ptr_Uniform_float %_ %int_4
         %s32 = OpLoad %int %ptr_s32
         %u32 = OpLoad %uint %ptr_u32
         %s16 = OpLoad %short %ptr_s16
         %u16 = OpLoad %ushort %ptr_u16
		 %f32 = OpLoad %float %ptr_f32

		; Sign-extend
		 %s16_to_s32_signed = OpSConvert %int %s16
		 OpStore %ptr_s32 %s16_to_s32_signed
		 %s16_to_u32_signed = OpSConvert %uint %s16
		 OpStore %ptr_u32 %s16_to_u32_signed

		 %u16_to_s32_signed = OpSConvert %int %u16
		 OpStore %ptr_s32 %u16_to_s32_signed
		 %u16_to_u32_signed = OpSConvert %uint %u16
		 OpStore %ptr_u32 %u16_to_u32_signed

		; Zero-extend
		; Result must be unsigned for OpUConvert.
		 ;%s16_to_s32_unsigned = OpUConvert %int %s16
		 ;OpStore %ptr_s32 %s16_to_s32_unsigned
		 %s16_to_u32_unsigned = OpUConvert %uint %s16
		 OpStore %ptr_u32 %s16_to_u32_unsigned

		 ;%u16_to_s32_unsigned = OpUConvert %int %u16
		 ;OpStore %ptr_s32 %u16_to_s32_unsigned
		 %u16_to_u32_unsigned = OpUConvert %uint %u16
		 OpStore %ptr_u32 %u16_to_u32_unsigned

		; Truncate (SConvert == UConvert)
		 %s32_to_s16_signed = OpSConvert %short %s32
		 OpStore %ptr_s16 %s32_to_s16_signed
		 %s32_to_u16_signed = OpSConvert %ushort %s32
		 OpStore %ptr_u16 %s32_to_u16_signed

		 %u32_to_s16_signed = OpSConvert %short %u32
		 OpStore %ptr_s16 %u32_to_s16_signed
		 %u32_to_u16_signed = OpSConvert %ushort %u32
		 OpStore %ptr_u16 %u32_to_u16_signed

		 ;%s32_to_s16_unsigned = OpUConvert %short %s32
		 ;OpStore %ptr_s16 %s32_to_s16_unsigned
		 %s32_to_u16_unsigned = OpUConvert %ushort %s32
		 OpStore %ptr_u16 %s32_to_u16_unsigned

		 ;%u32_to_s16_unsigned = OpUConvert %short %u32
		 ;OpStore %ptr_s16 %u32_to_s16_unsigned
		 %u32_to_u16_unsigned = OpUConvert %ushort %u32
		 OpStore %ptr_u16 %u32_to_u16_unsigned

		; SToF
		%s16_to_f32_signed = OpConvertSToF %float %s16
		OpStore %ptr_f32 %s16_to_f32_signed
		%u16_to_f32_signed = OpConvertSToF %float %u16
		OpStore %ptr_f32 %u16_to_f32_signed
		%s16_to_f32_unsigned = OpConvertUToF %float %s16
		OpStore %ptr_f32 %s16_to_f32_unsigned
		%u16_to_f32_unsigned = OpConvertUToF %float %u16
		OpStore %ptr_f32 %u16_to_f32_unsigned

		; FToS
		%f32_to_s16_signed = OpConvertFToS %short %f32
		OpStore %ptr_s16 %f32_to_s16_signed
		%f32_to_u16_signed = OpConvertFToS %ushort %f32
		OpStore %ptr_u16 %f32_to_u16_signed

		; FToU
		%f32_to_u16_unsigned = OpConvertFToU %ushort %f32
		OpStore %ptr_u16 %f32_to_u16_unsigned
		; Result must be unsigned for FToU, so don't bother testing that.

               OpReturn
               OpFunctionEnd