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51e37c6f91
Remove the ICE check for expression behaviors always being either `{Next}` or `{Next, Discard}`. Unreachable code may be result in something else.
Add the RemoveUnreachableStatements transform to the SPIR-V writer sanitizer transform list. The writer cannot correctly handle unreachable statements.
Bug: tint:1369
Bug: chromium:1285622
Change-Id: I9fa54c6d2096b1ee633dd551b628c7dd3ba64fb5
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/76300
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: David Neto <dneto@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
38 lines
1.1 KiB
Plaintext
38 lines
1.1 KiB
Plaintext
bug/tint/1369.wgsl:3:3 warning: code is unreachable
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return true;
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^^^^^^
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bug/tint/1369.wgsl:9:9 warning: code is unreachable
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var also_unreachable : bool;
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^^^^^^^^^^^^^^^^
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; SPIR-V
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; Version: 1.3
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; Generator: Google Tint Compiler; 0
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; Bound: 13
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; Schema: 0
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OpCapability Shader
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %f "f"
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OpExecutionMode %f OriginUpperLeft
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OpName %call_discard "call_discard"
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OpName %f "f"
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OpName %v "v"
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%bool = OpTypeBool
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%1 = OpTypeFunction %bool
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%void = OpTypeVoid
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%5 = OpTypeFunction %void
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%_ptr_Function_bool = OpTypePointer Function %bool
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%12 = OpConstantNull %bool
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%call_discard = OpFunction %bool None %1
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%4 = OpLabel
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OpKill
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OpFunctionEnd
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%f = OpFunction %void None %5
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%8 = OpLabel
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%v = OpVariable %_ptr_Function_bool Function %12
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%9 = OpFunctionCall %bool %call_discard
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OpStore %v %9
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OpReturn
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OpFunctionEnd
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