45ad58a903
In some cases we need to bitcast when dealing with int vs. uint. SPIR-V allows inputs to be of different integer signedness, so we need to deal with this somehow. Add testing system to test SPIR-V assembly. For now, test all possible combination for all major cases. - IAdd (which doesn't care about input type as long as they're equal) - SDiv/UDiv operations which case about input type. - Arith/Logical right shifts. - IEqual to test outputs to bvec, which shouldn't get output cast. Also tests casting in function-like calls.
78 lines
3.0 KiB
Plaintext
78 lines
3.0 KiB
Plaintext
; SPIR-V
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; Version: 1.0
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; Generator: Khronos Glslang Reference Front End; 1
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; Bound: 30
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; Schema: 0
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OpCapability Shader
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint GLCompute %func "main"
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OpExecutionMode %func LocalSize 1 1 1
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OpSource ESSL 310
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OpSourceExtension "GL_GOOGLE_cpp_style_line_directive"
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OpSourceExtension "GL_GOOGLE_include_directive"
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OpMemberDecorate %input_struct 0 Offset 0
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OpMemberDecorate %input_struct 1 Offset 16
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OpMemberDecorate %output_struct 0 Offset 0
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OpMemberDecorate %output_struct 1 Offset 16
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OpDecorate %input_struct BufferBlock
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OpDecorate %inputs DescriptorSet 0
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OpDecorate %inputs Binding 0
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OpDecorate %output_struct BufferBlock
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OpDecorate %outputs DescriptorSet 0
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OpDecorate %outputs Binding 1
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%void = OpTypeVoid
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%main_func = OpTypeFunction %void
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%uint = OpTypeInt 32 0
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%uvec4 = OpTypeVector %uint 4
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%int = OpTypeInt 32 1
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%ivec4 = OpTypeVector %int 4
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%ivec4_ptr = OpTypePointer Uniform %ivec4
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%uvec4_ptr = OpTypePointer Uniform %uvec4
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%zero = OpConstant %int 0
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%one = OpConstant %int 1
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%input_struct = OpTypeStruct %ivec4 %uvec4
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%input_struct_ptr = OpTypePointer Uniform %input_struct
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%inputs = OpVariable %input_struct_ptr Uniform
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%output_struct = OpTypeStruct %uvec4 %ivec4
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%output_struct_ptr = OpTypePointer Uniform %output_struct
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%outputs = OpVariable %output_struct_ptr Uniform
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%func = OpFunction %void None %main_func
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%block = OpLabel
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%input1_ptr = OpAccessChain %ivec4_ptr %inputs %zero
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%input0_ptr = OpAccessChain %uvec4_ptr %inputs %one
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%input1 = OpLoad %ivec4 %input1_ptr
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%input0 = OpLoad %uvec4 %input0_ptr
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%output_ptr_uvec4 = OpAccessChain %uvec4_ptr %outputs %zero
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%output_ptr_ivec4 = OpAccessChain %ivec4_ptr %outputs %one
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; Test all variants of UDiv
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%result_iadd_0 = OpUDiv %uvec4 %input0 %input1
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%result_iadd_1 = OpUDiv %uvec4 %input1 %input0
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%result_iadd_2 = OpUDiv %uvec4 %input0 %input0
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%result_iadd_3 = OpUDiv %uvec4 %input1 %input1
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%result_iadd_4 = OpUDiv %ivec4 %input0 %input0
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%result_iadd_5 = OpUDiv %ivec4 %input1 %input1
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%result_iadd_6 = OpUDiv %ivec4 %input0 %input1
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%result_iadd_7 = OpUDiv %ivec4 %input1 %input0
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OpStore %output_ptr_uvec4 %result_iadd_0
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OpStore %output_ptr_uvec4 %result_iadd_1
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OpStore %output_ptr_uvec4 %result_iadd_2
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OpStore %output_ptr_uvec4 %result_iadd_3
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OpStore %output_ptr_ivec4 %result_iadd_4
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OpStore %output_ptr_ivec4 %result_iadd_5
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OpStore %output_ptr_ivec4 %result_iadd_6
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OpStore %output_ptr_ivec4 %result_iadd_7
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OpReturn
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OpFunctionEnd
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