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glsl: Rework var alloc to not assign unused results

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This commit is contained in:
ameerj
2021-05-30 19:13:22 -04:00
parent 1269a0cf8b
commit 9f3ffb996b
9 changed files with 91 additions and 49 deletions
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8
src/shader_recompiler/backend/glsl/emit_glsl_not_implemented.cpp
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@ -25,7 +25,7 @@ void EmitPhi(EmitContext& ctx, IR::Inst& phi) {
}
if (!phi.Definition<Id>().is_valid) {
// The phi node wasn't forward defined
ctx.Add("{};", ctx.var_alloc.Define(phi, phi.Arg(0).Type()));
ctx.var_alloc.PhiDefine(phi, phi.Arg(0).Type());
}
}
@ -33,8 +33,8 @@ void EmitVoid(EmitContext& ctx) {
// NotImplemented();
}
void EmitReference(EmitContext&) {
// NotImplemented();
void EmitReference(EmitContext& ctx, const IR::Value& value) {
ctx.var_alloc.Consume(value);
}
void EmitPhiMove(EmitContext& ctx, const IR::Value& phi_value, const IR::Value& value) {
@ -42,7 +42,7 @@ void EmitPhiMove(EmitContext& ctx, const IR::Value& phi_value, const IR::Value&
const auto phi_type{phi.Arg(0).Type()};
if (!phi.Definition<Id>().is_valid) {
// The phi node wasn't forward defined
ctx.Add("{};", ctx.var_alloc.Define(phi, phi_type));
ctx.var_alloc.PhiDefine(phi, phi_type);
}
const auto phi_reg{ctx.var_alloc.Consume(IR::Value{&phi})};
const auto val_reg{ctx.var_alloc.Consume(value)};