skia2/tests/sksl/shared/ConstVariableComparison.asm.frag
John Stiles edac7716aa Evaluate single-argument generic intrinsics at compile time.
In particular, this optimizes abs() and sign() when all inputs are known
at compile time. This resolves a TODO on a test case in
`IllegalIndexing.rts`.

Change-Id: Ica310522a85b42dc7ae255bd25004a6629d04176
Bug: skia:10835
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/405676
Auto-Submit: John Stiles <johnstiles@google.com>
Commit-Queue: John Stiles <johnstiles@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
2021-05-10 14:50:50 +00:00

85 lines
2.8 KiB
JavaScript

OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %_entrypoint_v "_entrypoint" %sk_FragColor %sk_Clockwise
OpExecutionMode %_entrypoint_v OriginUpperLeft
OpName %sk_FragColor "sk_FragColor"
OpName %sk_Clockwise "sk_Clockwise"
OpName %_UniformBuffer "_UniformBuffer"
OpMemberName %_UniformBuffer 0 "colorGreen"
OpMemberName %_UniformBuffer 1 "colorRed"
OpName %_entrypoint_v "_entrypoint_v"
OpName %main "main"
OpName %b "b"
OpName %c "c"
OpDecorate %sk_FragColor RelaxedPrecision
OpDecorate %sk_FragColor Location 0
OpDecorate %sk_FragColor Index 0
OpDecorate %sk_Clockwise BuiltIn FrontFacing
OpMemberDecorate %_UniformBuffer 0 Offset 0
OpMemberDecorate %_UniformBuffer 0 RelaxedPrecision
OpMemberDecorate %_UniformBuffer 1 Offset 16
OpMemberDecorate %_UniformBuffer 1 RelaxedPrecision
OpDecorate %_UniformBuffer Block
OpDecorate %10 Binding 0
OpDecorate %10 DescriptorSet 0
OpDecorate %43 RelaxedPrecision
OpDecorate %46 RelaxedPrecision
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%_ptr_Output_v4float = OpTypePointer Output %v4float
%sk_FragColor = OpVariable %_ptr_Output_v4float Output
%bool = OpTypeBool
%_ptr_Input_bool = OpTypePointer Input %bool
%sk_Clockwise = OpVariable %_ptr_Input_bool Input
%_UniformBuffer = OpTypeStruct %v4float %v4float
%_ptr_Uniform__UniformBuffer = OpTypePointer Uniform %_UniformBuffer
%10 = OpVariable %_ptr_Uniform__UniformBuffer Uniform
%void = OpTypeVoid
%15 = OpTypeFunction %void
%v2float = OpTypeVector %float 2
%float_0 = OpConstant %float 0
%19 = OpConstantComposite %v2float %float_0 %float_0
%_ptr_Function_v2float = OpTypePointer Function %v2float
%23 = OpTypeFunction %v4float %_ptr_Function_v2float
%_ptr_Function_v4float = OpTypePointer Function %v4float
%float_1 = OpConstant %float 1
%29 = OpConstantComposite %v4float %float_1 %float_1 %float_1 %float_1
%v4bool = OpTypeVector %bool 4
%_ptr_Uniform_v4float = OpTypePointer Uniform %v4float
%int = OpTypeInt 32 1
%int_1 = OpConstant %int 1
%int_0 = OpConstant %int 0
%_entrypoint_v = OpFunction %void None %15
%16 = OpLabel
%20 = OpVariable %_ptr_Function_v2float Function
OpStore %20 %19
%22 = OpFunctionCall %v4float %main %20
OpStore %sk_FragColor %22
OpReturn
OpFunctionEnd
%main = OpFunction %v4float None %23
%24 = OpFunctionParameter %_ptr_Function_v2float
%25 = OpLabel
%b = OpVariable %_ptr_Function_v4float Function
%c = OpVariable %_ptr_Function_v4float Function
OpStore %b %29
OpStore %c %29
%31 = OpLoad %v4float %b
%32 = OpLoad %v4float %c
%33 = OpFOrdNotEqual %v4bool %31 %32
%35 = OpAny %bool %33
OpSelectionMerge %38 None
OpBranchConditional %35 %36 %37
%36 = OpLabel
%39 = OpAccessChain %_ptr_Uniform_v4float %10 %int_1
%43 = OpLoad %v4float %39
OpReturnValue %43
%37 = OpLabel
%44 = OpAccessChain %_ptr_Uniform_v4float %10 %int_0
%46 = OpLoad %v4float %44
OpReturnValue %46
%38 = OpLabel
OpUnreachable
OpFunctionEnd