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swiftshader
Commit 19612714 by Ben Clayton
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SpirvShaderDebugger: Improve ASSERT() messages

DXC is producing duplicate definitions for local variables. Give more context in the `ASSERT()` so it's easier to diagnose whats going wrong. Bug: b/170378370 Change-Id: Ic8c8f24a6dbd8ce23e04eb4f0265363b44bc174c Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/49128 Kokoro-Result: kokoro <noreply+kokoro@google.com> Reviewed-by: 's avatarNicolas Capens <nicolascapens@google.com> Tested-by: 's avatarBen Clayton <bclayton@google.com>
parent 95214930
Showing with 28 additions and 2 deletions
src/Pipeline/SpirvShaderDebugger.cpp
......@@ -885,6 +885,17 @@ T *find(Scope *scope)
return scope->parent ? find<T>(scope->parent) : nullptr;
}
inline const char *tostring(LocalVariable::Definition def)
{
switch(def)
{
case LocalVariable::Definition::Undefined: return "Undefined";
case LocalVariable::Definition::Declaration: return "Declaration";
case LocalVariable::Definition::Values: return "Values";
default: return "<unknown>";
}
}
} // namespace debug
} // anonymous namespace
......@@ -1735,7 +1746,13 @@ void SpirvShader::Impl::Debugger::process(const InsnIterator &insn, EmitState *s
decl->local->declaration = decl;
ASSERT(decl->local->definition == debug::LocalVariable::Definition::Undefined);
ASSERT_MSG(decl->local->definition == debug::LocalVariable::Definition::Undefined,
"DebugLocalVariable '%s' declared at %s:%d was previously defined as %s, now again as %s",
decl->local->name.c_str(),
decl->local->source ? decl->local->source->file.c_str() : "<unknown>",
(int)decl->local->line,
tostring(decl->local->definition),
tostring(debug::LocalVariable::Definition::Declaration));
decl->local->definition = debug::LocalVariable::Definition::Declaration;
});
break;
......@@ -1749,7 +1766,16 @@ void SpirvShader::Impl::Debugger::process(const InsnIterator &insn, EmitState *s
{
value->local->definition = debug::LocalVariable::Definition::Values;
}
ASSERT(value->local->definition == debug::LocalVariable::Definition::Values);
else
{
ASSERT_MSG(value->local->definition == debug::LocalVariable::Definition::Values,
"DebugLocalVariable '%s' declared at %s:%d was previously defined as %s, now again as %s",
value->local->name.c_str(),
value->local->source ? value->local->source->file.c_str() : "<unknown>",
(int)value->local->line,
tostring(value->local->definition),
tostring(debug::LocalVariable::Definition::Values));
}
auto node = &value->local->values;
for(uint32_t i = 8; i < insn.wordCount(); i++)
......
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