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1c4f8de30b
Constructing a null vector, matrix or array does not need to provide an explicit list of null elements. `T()` is a more efficient and readable equivalent. Fuzzers like to generate enormous pathological composite types, which has been triggering OOM failures. Bug: oss-fuzz:38095 Bug: oss-fuzz:39235 Bug: oss-fuzz:39246 Bug: oss-fuzz:39874 Change-Id: I910bb04bdd0e80532c09fc038be895ec37d3d380 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/75426 Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: David Neto <dneto@google.com> Commit-Queue: Ben Clayton <bclayton@google.com>
45 lines
1.6 KiB
Plaintext
45 lines
1.6 KiB
Plaintext
; SPIR-V
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; Version: 1.3
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; Generator: Google Tint Compiler; 0
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; Bound: 28
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; Schema: 0
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OpCapability Shader
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OpMemoryModel Logical GLSL450
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OpEntryPoint GLCompute %main "main"
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OpExecutionMode %main LocalSize 1 1 1
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OpName %main_1 "main_1"
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OpName %v "v"
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OpName %main "main"
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%void = OpTypeVoid
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%1 = OpTypeFunction %void
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%float = OpTypeFloat 32
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%v3float = OpTypeVector %float 3
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%7 = OpConstantNull %v3float
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%_ptr_Function_v3float = OpTypePointer Function %v3float
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%uint = OpTypeInt 32 0
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%uint_1 = OpConstant %uint 1
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%_ptr_Function_float = OpTypePointer Function %float
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%v2float = OpTypeVector %float 2
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%main_1 = OpFunction %void None %1
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%4 = OpLabel
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%v = OpVariable %_ptr_Function_v3float Function %7
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OpStore %v %7
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%13 = OpAccessChain %_ptr_Function_float %v %uint_1
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%14 = OpLoad %float %13
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%15 = OpLoad %v3float %v
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%17 = OpCompositeExtract %float %15 0
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%18 = OpCompositeExtract %float %15 2
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%19 = OpCompositeConstruct %v2float %17 %18
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%20 = OpLoad %v3float %v
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%21 = OpCompositeExtract %float %20 0
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%22 = OpCompositeExtract %float %20 2
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%23 = OpCompositeExtract %float %20 1
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%24 = OpCompositeConstruct %v3float %21 %22 %23
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OpReturn
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OpFunctionEnd
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%main = OpFunction %void None %1
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%26 = OpLabel
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%27 = OpFunctionCall %void %main_1
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OpReturn
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OpFunctionEnd
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