skia2/tests/sksl/shared/DeadIfStatement.asm.frag
John Stiles 50b1b2b90d Disable control-flow analysis in SkSL. (Performance experiment)
This CL will be used to test for potential performance regressions (or
improvements?) that we might incur by disabling this optimization pass.

It will be reverted in ~1 day.

Change-Id: I775cdb0c95df81fa25ebbd66e4ff01f64c660f68
Bug: skia:11319
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/378456
Commit-Queue: John Stiles <johnstiles@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
2021-03-03 22:08:56 +00:00

78 lines
2.5 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 "colorGreen"
OpMemberName %_UniformBuffer 1 "colorRed"
OpName %_entrypoint "_entrypoint"
OpName %main "main"
OpName %x "x"
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 %23 RelaxedPrecision
OpDecorate %30 RelaxedPrecision
OpDecorate %32 RelaxedPrecision
OpDecorate %37 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_bool = OpTypePointer Function %bool
%true = OpConstantTrue %bool
%_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
%x = OpVariable %_ptr_Function_bool Function
OpStore %x %true
%23 = OpLoad %bool %x
OpSelectionMerge %25 None
OpBranchConditional %23 %24 %25
%24 = OpLabel
%26 = OpAccessChain %_ptr_Uniform_v4float %10 %int_0
%30 = OpLoad %v4float %26
OpReturnValue %30
%25 = OpLabel
%32 = OpLoad %bool %x
%31 = OpLogicalNot %bool %32
OpSelectionMerge %34 None
OpBranchConditional %31 %33 %34
%33 = OpLabel
%35 = OpAccessChain %_ptr_Uniform_v4float %10 %int_1
%37 = OpLoad %v4float %35
OpReturnValue %37
%34 = OpLabel
OpUnreachable
OpFunctionEnd