bfa76ee2ab
Fixes cases where discard and demote are called in pure functions and the function result is not consumed.
64 lines
2.4 KiB
JavaScript
64 lines
2.4 KiB
JavaScript
; SPIR-V
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; Version: 1.0
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; Generator: Khronos Glslang Reference Front End; 7
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; Bound: 33
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; Schema: 0
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OpCapability Shader
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OpCapability DemoteToHelperInvocationEXT
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OpExtension "SPV_EXT_demote_to_helper_invocation"
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %main "main" %vA %FragColor
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OpExecutionMode %main OriginUpperLeft
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OpSource GLSL 450
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OpSourceExtension "GL_EXT_demote_to_helper_invocation"
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OpName %main "main"
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OpName %foobar_i1_ "foobar(i1;"
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OpName %a "a"
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OpName %a_0 "a"
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OpName %vA "vA"
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OpName %param "param"
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OpName %FragColor "FragColor"
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OpDecorate %vA Flat
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OpDecorate %vA Location 0
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OpDecorate %FragColor Location 0
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%void = OpTypeVoid
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%3 = OpTypeFunction %void
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%int = OpTypeInt 32 1
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%_ptr_Function_int = OpTypePointer Function %int
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%float = OpTypeFloat 32
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%v4float = OpTypeVector %float 4
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%10 = OpTypeFunction %v4float %_ptr_Function_int
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%int_0 = OpConstant %int 0
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%bool = OpTypeBool
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%float_10 = OpConstant %float 10
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%21 = OpConstantComposite %v4float %float_10 %float_10 %float_10 %float_10
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%_ptr_Function_v4float = OpTypePointer Function %v4float
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%_ptr_Input_int = OpTypePointer Input %int
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%vA = OpVariable %_ptr_Input_int Input
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%_ptr_Output_v4float = OpTypePointer Output %v4float
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%FragColor = OpVariable %_ptr_Output_v4float Output
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%main = OpFunction %void None %3
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%5 = OpLabel
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%a_0 = OpVariable %_ptr_Function_v4float Function
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%param = OpVariable %_ptr_Function_int Function
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%29 = OpLoad %int %vA
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OpStore %param %29
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%30 = OpFunctionCall %v4float %foobar_i1_ %param
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OpStore %FragColor %21
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OpReturn
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OpFunctionEnd
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%foobar_i1_ = OpFunction %v4float None %10
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%a = OpFunctionParameter %_ptr_Function_int
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%13 = OpLabel
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%14 = OpLoad %int %a
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%17 = OpSLessThan %bool %14 %int_0
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OpSelectionMerge %19 None
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OpBranchConditional %17 %18 %19
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%18 = OpLabel
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OpDemoteToHelperInvocationEXT
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OpBranch %19
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%19 = OpLabel
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OpReturnValue %21
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OpFunctionEnd
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