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// slang-ir-entry-point-pass.cpp
#include "slang-ir-entry-point-pass.h"
namespace Slang
{
void PerEntryPointPass::processModule(IRModule* module)
{
m_module = module;
// Note that we are only looking at true global-scope
// functions and not functions nested inside of
// IR generics. When using generic entry points, this
// pass should be run after the entry point(s) have
// been specialized to their generic type parameters.
for (auto inst : module->getGlobalInsts())
{
// We are only interested in entry points.
//
// Every entry point must be a function.
//
auto func = as<IRFunc>(inst);
if (!func)
continue;
// Entry points will always have the `[entryPoint]`
// decoration to differentiate them from ordinary
// functions.
//
auto entryPointDecoration = func->findDecoration<IREntryPointDecoration>();
if (!entryPointDecoration)
continue;
// If we find a candidate entry point, then we
// will process it.
//
processEntryPoint(func, entryPointDecoration);
}
}
void PerEntryPointPass::processEntryPoint(
IRFunc* entryPointFunc,
IREntryPointDecoration* entryPointDecoration)
{
m_entryPoint.func = entryPointFunc;
m_entryPoint.decoration = entryPointDecoration;
processEntryPointImpl(m_entryPoint);
}
} // namespace Slang
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