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glasm: Initial implementation of phi nodes on GLASM

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This commit is contained in:
ReinUsesLisp 2021-05-14 04:48:46 -03:00 • committed by ameerj
parent 0f88fb5d72
commit bf5e48ffe4
12 changed files with 117 additions and 25 deletions
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6
src/shader_recompiler/ir_opt/ssa_rewrite_pass.cpp
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@ -138,10 +138,6 @@ IR::Opcode UndefOpcode(IndirectBranchVariable) noexcept {
return IR::Opcode::UndefU32;
}
[[nodiscard]] bool IsPhi(const IR::Inst& inst) noexcept {
return inst.GetOpcode() == IR::Opcode::Phi;
}
enum class Status {
Start,
SetValue,
@ -283,7 +279,7 @@ private:
list.erase(IR::Block::InstructionList::s_iterator_to(phi));
// Find the first non-phi instruction and use it as an insertion point
IR::Block::iterator reinsert_point{std::ranges::find_if_not(list, IsPhi)};
IR::Block::iterator reinsert_point{std::ranges::find_if_not(list, IR::IsPhi)};
if (same.IsEmpty()) {
// The phi is unreachable or in the start block
// Insert an undefined instruction and make it the phi node replacement