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shader: Implement SEL

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This commit is contained in:
ameerj 2021-02-24 20:31:15 -05:00
parent 726625cf50
commit 8810c88b7e
4 changed files with 53 additions and 16 deletions
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12
src/shader_recompiler/ir_opt/ssa_rewrite_pass.cpp
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@ -109,11 +109,13 @@ IR::Opcode UndefOpcode(const FlagTag&) noexcept {
class Pass {
public:
void WriteVariable(auto variable, IR::Block* block, const IR::Value& value) {
template <typename Type>
void WriteVariable(Type variable, IR::Block* block, const IR::Value& value) {
current_def[variable].insert_or_assign(block, value);
}
IR::Value ReadVariable(auto variable, IR::Block* block) {
template <typename Type>
IR::Value ReadVariable(Type variable, IR::Block* block) {
const ValueMap& def{current_def[variable]};
if (const auto it{def.find(block)}; it != def.end()) {
return it->second;
@ -132,7 +134,8 @@ public:
}
private:
IR::Value ReadVariableRecursive(auto variable, IR::Block* block) {
template <typename Type>
IR::Value ReadVariableRecursive(Type variable, IR::Block* block) {
IR::Value val;
if (!sealed_blocks.contains(block)) {
// Incomplete CFG
@ -154,7 +157,8 @@ private:
return val;
}
IR::Value AddPhiOperands(auto variable, IR::Inst& phi, IR::Block* block) {
template <typename Type>
IR::Value AddPhiOperands(Type variable, IR::Inst& phi, IR::Block* block) {
for (IR::Block* const imm_pred : block->ImmediatePredecessors()) {
phi.AddPhiOperand(imm_pred, ReadVariable(variable, imm_pred));
}