[SimpleLoopUnswitch] Allow threshold to be specified zero or more times

Differential Revision: https://reviews.llvm.org/D110594
2021-09-27 14:23:49 -07:00 · 2021-09-27 14:23:49 -07:00 · df1f03280c
parent 1e4cfe5e4f
commit df1f03280c
1 changed files with 1 additions and 0 deletions
--- a/llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp
+++ b/llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp
@ -81,6 +81,7 @@ static cl::opt<bool> EnableNonTrivialUnswitch(

 static cl::opt<int>
    UnswitchThreshold("unswitch-threshold", cl::init(50), cl::Hidden,
+                      cl::ZeroOrMore,
                      cl::desc("The cost threshold for unswitching a loop."));

 static cl::opt<bool> EnableUnswitchCostMultiplier(