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https://github.com/encounter/dawn-cmake.git
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46ee63933c
Prevents UB for divide-by-zero and integer overflow when dividing Fixed: tint:1349 Change-Id: Ieef66d27d7aec3011628ced076b2bccc7770a8af Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/108925 Commit-Queue: Ben Clayton <bclayton@google.com> Reviewed-by: Dan Sinclair <dsinclair@chromium.org> Kokoro: Kokoro <noreply+kokoro@google.com>
51 lines
1.9 KiB
Plaintext
51 lines
1.9 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: 34
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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 %f "f"
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OpExecutionMode %f LocalSize 1 1 1
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OpName %tint_div "tint_div"
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OpName %lhs "lhs"
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OpName %rhs "rhs"
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OpName %f "f"
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%int = OpTypeInt 32 1
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%v3int = OpTypeVector %int 3
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%1 = OpTypeFunction %v3int %v3int %int
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%10 = OpConstantNull %v3int
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%bool = OpTypeBool
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%v3bool = OpTypeVector %bool 3
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%int_n2147483648 = OpConstant %int -2147483648
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%15 = OpConstantComposite %v3int %int_n2147483648 %int_n2147483648 %int_n2147483648
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%int_n1 = OpConstant %int -1
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%18 = OpConstantComposite %v3int %int_n1 %int_n1 %int_n1
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%int_1 = OpConstant %int 1
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%23 = OpConstantComposite %v3int %int_1 %int_1 %int_1
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%void = OpTypeVoid
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%25 = OpTypeFunction %void
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%int_2 = OpConstant %int 2
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%int_3 = OpConstant %int 3
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%31 = OpConstantComposite %v3int %int_1 %int_2 %int_3
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%int_4 = OpConstant %int 4
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%tint_div = OpFunction %v3int None %1
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%lhs = OpFunctionParameter %v3int
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%rhs = OpFunctionParameter %int
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%7 = OpLabel
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%8 = OpCompositeConstruct %v3int %rhs %rhs %rhs
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%11 = OpIEqual %v3bool %8 %10
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%16 = OpIEqual %v3bool %lhs %15
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%19 = OpIEqual %v3bool %8 %18
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%20 = OpLogicalAnd %v3bool %16 %19
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%21 = OpLogicalOr %v3bool %11 %20
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%9 = OpSelect %v3int %21 %23 %8
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%24 = OpSDiv %v3int %lhs %9
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OpReturnValue %24
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OpFunctionEnd
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%f = OpFunction %void None %25
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%28 = OpLabel
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%33 = OpFunctionCall %v3int %tint_div %31 %int_4
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OpReturn
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OpFunctionEnd
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