From 67159e3be76cf468288ae492ea22fc43a77a9d1e Mon Sep 17 00:00:00 2001
From: ameerj <52414509+ameerj@users.noreply.github.com>
Date: Tue, 22 Mar 2022 18:34:31 -0400
Subject: dead_code_elimination_pass: Remove unreachable Phi arguments
---
src/shader_recompiler/frontend/ir/microinstruction.cpp | 5 +++++
1 file changed, 5 insertions(+)
(limited to 'src/shader_recompiler/frontend/ir/microinstruction.cpp')
diff --git a/src/shader_recompiler/frontend/ir/microinstruction.cpp b/src/shader_recompiler/frontend/ir/microinstruction.cpp
index 631446cf7d..4a2564f472 100644
--- a/src/shader_recompiler/frontend/ir/microinstruction.cpp
+++ b/src/shader_recompiler/frontend/ir/microinstruction.cpp
@@ -326,6 +326,11 @@ void Inst::AddPhiOperand(Block* predecessor, const Value& value) {
phi_args.emplace_back(predecessor, value);
}
+void Inst::ErasePhiOperand(size_t index) {
+ const auto operand_it{phi_args.begin() + static_cast<ptrdiff_t>(index)};
+ phi_args.erase(operand_it);
+}
+
void Inst::OrderPhiArgs() {
if (op != Opcode::Phi) {
throw LogicError("{} is not a Phi instruction", op);
--
cgit v1.2.3-70-g09d2