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gl_shader_decompiler: Remove redundant Subroutine construction in AddSubroutine()

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We don't need to toss away the Subroutine instance after the find() call
and reconstruct another instance with the same data right after it.
Particularly give Subroutine contains a std::set.
This commit is contained in:
Lioncash 2018-07-22 03:28:08 -04:00
parent 258a5cee84
commit 0797657bc0
1 changed files with 9 additions and 5 deletions
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14
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
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@ -78,14 +78,18 @@ private:
/// Adds and analyzes a new subroutine if it is not added yet.
const Subroutine& AddSubroutine(u32 begin, u32 end, const std::string& suffix) {
auto iter = subroutines.find(Subroutine{begin, end, suffix});
if (iter != subroutines.end())
return *iter;
Subroutine subroutine{begin, end, suffix, ExitMethod::Undetermined, {}};
const auto iter = subroutines.find(subroutine);
if (iter != subroutines.end()) {
return *iter;
}
Subroutine subroutine{begin, end, suffix};
subroutine.exit_method = Scan(begin, end, subroutine.labels);
if (subroutine.exit_method == ExitMethod::Undetermined)
if (subroutine.exit_method == ExitMethod::Undetermined) {
throw DecompileFail("Recursive function detected");
}
return *subroutines.insert(std::move(subroutine)).first;
}