[BreakFalseDeps] fix typos/grammar in documentation comment; NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@371516 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/BreakFalseDeps.cpp b/lib/CodeGen/BreakFalseDeps.cpp
index a65b3447babf89104719d6f7d12c0ef216538dd1..382f76da3218c2352f58369d09b1db0e0b521342 100644 (file)
--- a/lib/CodeGen/BreakFalseDeps.cpp
+++ b/lib/CodeGen/BreakFalseDeps.cpp
@@ -9,12 +9,11 @@
 /// \file Break False Dependency pass.
 ///
 /// Some instructions have false dependencies which cause unnecessary stalls.
-/// For exmaple, instructions that only write part of a register, and implicitly
-/// need to read the other parts of the register.  This may cause unwanted
+/// For example, instructions may write part of a register and implicitly
+/// need to read the other parts of the register. This may cause unwanted
 /// stalls preventing otherwise unrelated instructions from executing in
 /// parallel in an out-of-order CPU.
-/// This pass is aimed at identifying and avoiding these depepndencies when
-/// possible.
+/// This pass is aimed at identifying and avoiding these dependencies.
 //
 //===----------------------------------------------------------------------===//