shader: Store type of phi nodes in flags

This is needed because pseudo-instructions where invalidated.
This commit is contained in:
ReinUsesLisp 2021-03-30 03:19:50 -03:00 committed by ameerj
parent b0d5572abf
commit 514a6b07ee
3 changed files with 11 additions and 2 deletions

View file

@ -193,6 +193,10 @@ void Inst::AddPhiOperand(Block* predecessor, const Value& value) {
if (!value.IsImmediate()) {
Use(value);
}
if (Flags<IR::Type>() == IR::Type::Void) {
// Set the type of the phi node
SetFlags<IR::Type>(value.Type());
}
phi_args.emplace_back(predecessor, value);
}

View file

@ -56,7 +56,11 @@ bool Value::IsLabel() const noexcept {
}
IR::Type Value::Type() const noexcept {
if (IsIdentity() || IsPhi()) {
if (IsPhi()) {
// The type of a phi node is stored in its flags
return inst->Flags<IR::Type>();
}
if (IsIdentity()) {
return inst->Arg(0).Type();
}
if (type == Type::Opaque) {