skia2/tests/sksl/shared/golden/Ossfuzz28794.asm.frag
John Stiles a60ac0c45c Fix for fuzzer-discovered crash with swizzles.
We need to rescan after optimizing away expressions that might exist
in the CFG/definition map, since we are rebuilding them from scratch and
not just stripping off excess parts from them.

Change-Id: I843a2ea3fc38428e7c0bd0e2bf7a7d41101345e3
Bug: oss-fuzz:28794
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/344972
Commit-Queue: John Stiles <johnstiles@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
2020-12-22 14:38:52 +00:00

47 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 %i "i"
OpDecorate %sk_FragColor RelaxedPrecision
OpDecorate %sk_FragColor Location 0
OpDecorate %sk_FragColor Index 0
OpDecorate %sk_Clockwise RelaxedPrecision
OpDecorate %sk_Clockwise BuiltIn FrontFacing
OpDecorate %23 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
%void = OpTypeVoid
%11 = OpTypeFunction %void
%int = OpTypeInt 32 1
%_ptr_Function_int = OpTypePointer Function %int
%float_1 = OpConstant %float 1
%int_3 = OpConstant %int 3
%float_3 = OpConstant %float 3
%_ptr_Output_float = OpTypePointer Output %float
%int_0 = OpConstant %int 0
%main = OpFunction %void None %11
%12 = OpLabel
%i = OpVariable %_ptr_Function_int Function
%17 = OpExtInst %float %1 Sqrt %float_1
%16 = OpConvertFToS %int %17
OpStore %i %16
%20 = OpLoad %int %i
%19 = OpConvertSToF %float %20
OpStore %i %int_3
%21 = OpConvertSToF %float %int_3
%23 = OpFMul %float %19 %21
%25 = OpAccessChain %_ptr_Output_float %sk_FragColor %int_0
OpStore %25 %float_3
OpReturn
OpFunctionEnd