AuroraMiddleware/SPIRV-Cross
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Merge pull request #261 from KhronosGroup/fix-259

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Fix variable scoping when dest block only uses OpPhi to read variable.
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Hans-Kristian Arntzen 2017-08-21 09:47:18 +02:00 committed by GitHub
commit d70d558292
1 changed files with 6 additions and 0 deletions
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6
spirv_cross.cpp
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@ -3019,8 +3019,14 @@ void Compiler::analyze_variable_scope(SPIRFunction &entry)
const auto test_phi = [this, &block](uint32_t to) {
auto &next = compiler.get<SPIRBlock>(to);
for (auto &phi : next.phi_variables)
{
if (phi.parent == block.self)
{
accessed_variables_to_block[phi.function_variable].insert(block.self);
// Phi variables are also accessed in our target branch block.
accessed_variables_to_block[phi.function_variable].insert(next.self);
}
}
};
switch (block.terminator)