mirror of https://github.com/ZDoom/qzdoom.git
34 lines
722 B
C++
34 lines
722 B
C++
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#pragma once
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#include "ssa_scope.h"
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class SSAIfBlock;
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template <typename SSAVariable>
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class SSAPhi
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{
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public:
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void add_incoming(SSAVariable var)
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{
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incoming.push_back(Incoming(var.v, SSAScope::builder().GetInsertBlock()));
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}
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SSAVariable create()
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{
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llvm::PHINode *phi_node = SSAScope::builder().CreatePHI(SSAVariable::llvm_type(), (unsigned int)incoming.size(), SSAScope::hint());
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for (size_t i = 0; i < incoming.size(); i++)
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phi_node->addIncoming(incoming[i].v, incoming[i].bb);
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return SSAVariable::from_llvm(phi_node);
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}
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private:
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struct Incoming
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{
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Incoming(llvm::Value *v, llvm::BasicBlock *bb) : v(v), bb(bb) { }
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llvm::Value *v;
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llvm::BasicBlock *bb;
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};
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std::vector<Incoming> incoming;
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};
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