Document -enable-no-infs-fp-math and -enable-no-nans-fp-math command line options

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119370 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/CommandGuide/lli.pod b/docs/CommandGuide/lli.pod
index d368bec..52a2721 100644
--- a/docs/CommandGuide/lli.pod
+++ b/docs/CommandGuide/lli.pod
@@ -102,10 +102,13 @@
 
 Disable optimizations that may increase floating point precision.
 
-=item B<-enable-finite-only-fp-math>
+=item B<-enable-no-infs-fp-math>
 
-Enable optimizations that assumes only finite floating point math. That is,
-there is no NAN or Inf values.
+Enable optimizations that assume no Inf values.
+
+=item B<-enable-no-nans-fp-math>
+
+Enable optimizations that assume no NAN values.
 
 =item B<-enable-unsafe-fp-math>