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-rw-r--r--lib/Target/README.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Target/README.txt b/lib/Target/README.txt
index 341c5c1ff4..71e87383a7 100644
--- a/lib/Target/README.txt
+++ b/lib/Target/README.txt
@@ -1721,3 +1721,7 @@ is a null (making it a C string). There's no need for these restrictions.
//===---------------------------------------------------------------------===//
+The arg promotion pass should make use of nocapture to make its alias analysis
+stuff much more precise.
+
+//===---------------------------------------------------------------------===//