skia2/tests/sksl/shared/StaticSwitchWithConditionalBreak.asm.frag
John Stiles 03467a53e6 Revert "Disable control-flow analysis in SkSL. (Performance experiment)"
This reverts commit 50b1b2b90d.

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>
2021-03-04 15:20:09 +00:00

54 lines
1.5 KiB
JavaScript

OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %main "main" %sk_FragColor %sk_Clockwise
OpExecutionMode %main OriginUpperLeft
OpName %sk_FragColor "sk_FragColor"
OpName %sk_Clockwise "sk_Clockwise"
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
%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
%void = OpTypeVoid
%11 = OpTypeFunction %void
%_ptr_Function_float = OpTypePointer Function %float
%float_0 = OpConstant %float 0
%int = OpTypeInt 32 1
%int_0 = OpConstant %int 0
%float_1 = OpConstant %float 1
%main = OpFunction %void None %11
%12 = OpLabel
%x = OpVariable %_ptr_Function_float Function
OpStore %x %float_0
OpSelectionMerge %18 None
OpSwitch %int_0 %18 0 %19 1 %20
%19 = OpLabel
OpStore %x %float_0
%21 = OpExtInst %float %1 Sqrt %float_1
%23 = OpFOrdLessThan %bool %float_0 %21
OpSelectionMerge %25 None
OpBranchConditional %23 %24 %25
%24 = OpLabel
OpBranch %18
%25 = OpLabel
OpBranch %20
%20 = OpLabel
OpStore %x %float_1
OpBranch %18
%18 = OpLabel
%26 = OpLoad %float %x
%27 = OpCompositeConstruct %v4float %26 %26 %26 %26
OpStore %sk_FragColor %27
OpReturn
OpFunctionEnd