905b8244e7
In cases where we know the size of the vector and the index at compile time, we can check if it's accessing in bounds and rely in undefined behavior otherwise. Signed-off-by: Sebastián Aedo <saedo@codeweavers.com>
48 lines
1.7 KiB
JavaScript
48 lines
1.7 KiB
JavaScript
; SPIR-V
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; Version: 1.0
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; Generator: Google Shaderc over Glslang; 10
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; Bound: 21
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; Schema: 0
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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"
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OpExecutionMode %main OriginUpperLeft
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OpSource ESSL 320
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OpSourceExtension "GL_GOOGLE_cpp_style_line_directive"
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OpSourceExtension "GL_GOOGLE_include_directive"
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OpName %main "main"
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OpName %v "v"
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OpDecorate %v RelaxedPrecision
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%void = OpTypeVoid
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%3 = OpTypeFunction %void
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%float = OpTypeFloat 32
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%v3float = OpTypeVector %float 3
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%_ptr_Function_v3float = OpTypePointer Function %v3float
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%float_0 = OpConstant %float 0
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%11 = OpConstantComposite %v3float %float_0 %float_0 %float_0
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%bool = OpTypeBool
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%false = OpConstantFalse %bool
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%float_99 = OpConstant %float 99
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%float_88 = OpConstant %float 88
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%uint = OpTypeInt 32 0
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%uint_3 = OpConstant %uint 3
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%sint = OpTypeInt 32 1
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%sint_3 = OpConstant %sint -1
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%_ptr_Function_float = OpTypePointer Function %float
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%main = OpFunction %void None %3
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%5 = OpLabel
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%v = OpVariable %_ptr_Function_v3float Function
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OpStore %v %11
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OpSelectionMerge %15 None
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OpBranchConditional %false %14 %15
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%14 = OpLabel
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%20 = OpAccessChain %_ptr_Function_float %v %uint_3
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OpStore %20 %float_99
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%99 = OpAccessChain %_ptr_Function_float %v %sint_3
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OpStore %99 %float_88
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OpBranch %15
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%15 = OpLabel
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OpReturn
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OpFunctionEnd
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