[PATCH] D82922: [NewPM] Add explicit init value to -enable-new-pm
Fangrui Song via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Jul 1 11:21:00 PDT 2020
MaskRay added inline comments.
================
Comment at: llvm/tools/opt/opt.cpp:75
+static cl::opt<bool> EnableNewPassManager(
+ "enable-new-pm", cl::desc("Enable the new pass manager"), cl::init(false));
----------------
aeubanks wrote:
> MaskRay wrote:
> > aeubanks wrote:
> > > MaskRay wrote:
> > > > false is the default value so this appears to be NFC...
> > > I can more easily change the default value to true and test this way.
> > > If there is a better way I'd like to know.
> > Adding/removing `cl::init(true)` is very straightforward. Why is this NFC change needed?
> It's easier for me to replace "false" with "true" than to type the whole thing out.
> Also, at some point I want to add a CMake variable which controls this flag's default value (same as the one that controls clang's NPM default behavior), and this is one step to that.
If adding a cmake variable is like moving from 0 to 1, then this NFC patch seems to me 0 to 0.1
I wonder why we didn't move directly to 1. This patch added unnecessary churn to the history.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D82922/new/
https://reviews.llvm.org/D82922
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