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-rw-r--r--lib/Target/README.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Target/README.txt b/lib/Target/README.txt
index d792b55dfe..ac2ea6d6c5 100644
--- a/lib/Target/README.txt
+++ b/lib/Target/README.txt
@@ -339,6 +339,8 @@ we don't have whole-function selection dags. On x86, this means we use one
extra register for the function when effective_addr2 is declared as U64 than
when it is declared U32.
+PHI Slicing could be extended to do this.
+
//===---------------------------------------------------------------------===//
LSR should know what GPR types a target has. This code: