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shader: preserve folded native constants for descriptor provenance

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This commit is contained in:
nmzik
2026-10-15 23:17:01 +02:00
parent e4019af522
commit c8caa27936
11 changed files with 111 additions and 43 deletions
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src/graphics/shader/recompiler/ir/passes/DeadCodeElimination.cpp
+12 -2
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@@ -1,11 +1,21 @@
#include "graphics/shader/recompiler/ir/passes/DeadCodeElimination.h"
#include "graphics/shader/recompiler/ir/ShaderIR.h"
#include <algorithm>
namespace Libs::Graphics::ShaderRecompiler::IR {
void RemoveIdentities(const BlockList& blocks) {
for (auto* block: blocks) {
void RemoveIdentities(Program& program) {
// Resolve metadata before deleting its identity nodes; retain only folded native constants.
for (auto& write: program.scalar_writes) {
const auto value = write.value.Resolve();
write.value = value.IsImmediate() && value.GetType() == Type::U32 ? value : Value {};
}
for (auto* block: program.blocks) {
block->condition = block->condition.Resolve();
block->indirect_target = block->indirect_target.Resolve();
}
for (auto* block: program.blocks) {
auto& instructions = block->Instructions();
for (auto inst = instructions.begin(); inst != instructions.end();) {
if (inst->GetOpcode() != ValueOpcode::Identity) {