03467a53e6
This reverts commit 50b1b2b90d
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Reason for revert: ending experiment
Original change's description:
> 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>
TBR=brianosman@google.com,ethannicholas@google.com,johnstiles@google.com
Change-Id: Ie385a82db237ff5651348d82b9651f8ba09375b9
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:11319
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/379581
Reviewed-by: John Stiles <johnstiles@google.com>
Commit-Queue: John Stiles <johnstiles@google.com>
54 lines
1.5 KiB
JavaScript
54 lines
1.5 KiB
JavaScript
OpCapability Shader
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %main "main" %sk_FragColor %sk_Clockwise
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OpExecutionMode %main OriginUpperLeft
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OpName %sk_FragColor "sk_FragColor"
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OpName %sk_Clockwise "sk_Clockwise"
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OpName %main "main"
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OpName %x "x"
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OpDecorate %sk_FragColor RelaxedPrecision
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OpDecorate %sk_FragColor Location 0
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OpDecorate %sk_FragColor Index 0
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OpDecorate %sk_Clockwise RelaxedPrecision
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OpDecorate %sk_Clockwise BuiltIn FrontFacing
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%float = OpTypeFloat 32
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%v4float = OpTypeVector %float 4
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%_ptr_Output_v4float = OpTypePointer Output %v4float
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%sk_FragColor = OpVariable %_ptr_Output_v4float Output
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%bool = OpTypeBool
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%_ptr_Input_bool = OpTypePointer Input %bool
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%sk_Clockwise = OpVariable %_ptr_Input_bool Input
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%void = OpTypeVoid
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%11 = OpTypeFunction %void
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%_ptr_Function_float = OpTypePointer Function %float
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%float_0 = OpConstant %float 0
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%int = OpTypeInt 32 1
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%int_0 = OpConstant %int 0
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%float_1 = OpConstant %float 1
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%main = OpFunction %void None %11
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%12 = OpLabel
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%x = OpVariable %_ptr_Function_float Function
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OpStore %x %float_0
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OpSelectionMerge %18 None
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OpSwitch %int_0 %18 0 %19 1 %20
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%19 = OpLabel
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OpStore %x %float_0
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%21 = OpExtInst %float %1 Sqrt %float_1
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%23 = OpFOrdLessThan %bool %float_0 %21
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OpSelectionMerge %25 None
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OpBranchConditional %23 %24 %25
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%24 = OpLabel
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OpBranch %18
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%25 = OpLabel
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OpBranch %20
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%20 = OpLabel
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OpStore %x %float_1
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OpBranch %18
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%18 = OpLabel
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%26 = OpLoad %float %x
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%27 = OpCompositeConstruct %v4float %26 %26 %26 %26
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OpStore %sk_FragColor %27
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OpReturn
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OpFunctionEnd
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