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| author | ReinUsesLisp <reinuseslisp@airmail.cc> | 2021-04-22 23:29:59 +0200 |
|---|---|---|
| committer | ameerj <52414509+ameerj@users.noreply.github.com> | 2021-07-23 03:51:29 +0200 |
| commit | 92a01984e6315f3c214990926c8fa5b4474ed339 (patch) | |
| tree | e7f4daea4da9141a0f4d0b668777098671a16bf0 /src | |
| parent | shader: Add missing UndoUse case for GetSparseFromOp (diff) | |
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Diffstat (limited to 'src')
| -rw-r--r-- | src/shader_recompiler/ir_opt/dead_code_elimination_pass.cpp | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/shader_recompiler/ir_opt/dead_code_elimination_pass.cpp b/src/shader_recompiler/ir_opt/dead_code_elimination_pass.cpp index f9c5334b5..1e4a3fdae 100644 --- a/src/shader_recompiler/ir_opt/dead_code_elimination_pass.cpp +++ b/src/shader_recompiler/ir_opt/dead_code_elimination_pass.cpp @@ -14,9 +14,12 @@ void DeadCodeEliminationPass(IR::Program& program) { // We iterate over the instructions in reverse order. // This is because removing an instruction reduces the number of uses for earlier instructions. for (IR::Block* const block : program.post_order_blocks) { - for (IR::Inst& inst : block->Instructions() | std::views::reverse) { - if (!inst.HasUses() && !inst.MayHaveSideEffects()) { - inst.Invalidate(); + auto it{block->end()}; + while (it != block->begin()) { + --it; + if (!it->HasUses() && !it->MayHaveSideEffects()) { + it->Invalidate(); + it = block->Instructions().erase(it); } } } |