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-rw-r--r--llvm/docs/CommandGuide/lli.pod5
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/docs/CommandGuide/lli.pod b/llvm/docs/CommandGuide/lli.pod
index 708cae2bb10..aea7105c09f 100644
--- a/llvm/docs/CommandGuide/lli.pod
+++ b/llvm/docs/CommandGuide/lli.pod
@@ -86,6 +86,11 @@ it for optimization.
Causes B<lli> to generate software floating point library calls instead of
equivalent hardware instructions.
+=item B<-enable-unsafe-fp-math>
+
+Causes B<lli> to enable optimizations that may decrease floating point
+precision.
+
=back
=head1 EXIT STATUS
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