Add modify-maximal-reconvergence to spirv-opt help (#5546)
diff --git a/tools/opt/opt.cpp b/tools/opt/opt.cpp
index 24724e5..f320baf 100644
--- a/tools/opt/opt.cpp
+++ b/tools/opt/opt.cpp
@@ -335,6 +335,12 @@
These conditions are guaranteed to be met after running
dead-branch elimination.)");
printf(R"(
+ --modify-maximal-reconvergence=[add|remove]
+ Add or remove the MaximallyReconvergesKHR execution mode to all
+ entry points in the module.
+ Note: when adding the execution mode, no attempt is made to
+ determine if any ray tracing repack instructions are used.)");
+ printf(R"(
--loop-unswitch
Hoists loop-invariant conditionals out of loops by duplicating
the loop on each branch of the conditional and adjusting each
