skia2/tests/sksl/shared/StaticIf.asm.frag
John Stiles 2654187396 Eliminate unused local variables during SkSL optimization.
This can eliminate const variables which have been completely folded
away, unnecessary synthetic variables created during codegen/inlining,
or code that simply didn't need to exist at all.

Change-Id: I37a65e455e6527a6a6c2f4dde918f48d84dc2638
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/383496
Commit-Queue: John Stiles <johnstiles@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
2021-03-16 17:22:53 +00:00

65 lines
2.2 KiB
JavaScript

OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %_entrypoint "_entrypoint" %sk_FragColor %sk_Clockwise
OpExecutionMode %_entrypoint OriginUpperLeft
OpName %sk_FragColor "sk_FragColor"
OpName %sk_Clockwise "sk_Clockwise"
OpName %_UniformBuffer "_UniformBuffer"
OpMemberName %_UniformBuffer 0 "colorRed"
OpMemberName %_UniformBuffer 1 "colorGreen"
OpName %_entrypoint "_entrypoint"
OpName %main "main"
OpName %result "result"
OpDecorate %sk_FragColor RelaxedPrecision
OpDecorate %sk_FragColor Location 0
OpDecorate %sk_FragColor Index 0
OpDecorate %sk_Clockwise RelaxedPrecision
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 %26 RelaxedPrecision
OpDecorate %29 RelaxedPrecision
OpDecorate %30 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
%18 = OpTypeFunction %v4float
%_ptr_Function_v4float = OpTypePointer Function %v4float
%_ptr_Uniform_v4float = OpTypePointer Uniform %v4float
%int = OpTypeInt 32 1
%int_0 = OpConstant %int 0
%int_1 = OpConstant %int 1
%_entrypoint = OpFunction %void None %15
%16 = OpLabel
%17 = OpFunctionCall %v4float %main
OpStore %sk_FragColor %17
OpReturn
OpFunctionEnd
%main = OpFunction %v4float None %18
%19 = OpLabel
%result = OpVariable %_ptr_Function_v4float Function
%22 = OpAccessChain %_ptr_Uniform_v4float %10 %int_0
%26 = OpLoad %v4float %22
OpStore %result %26
%27 = OpAccessChain %_ptr_Uniform_v4float %10 %int_1
%29 = OpLoad %v4float %27
OpStore %result %29
%30 = OpLoad %v4float %result
OpReturnValue %30
OpFunctionEnd