From aef0aaee675093ce2f494a139054b1bca94e9a43 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Wed, 5 May 2010 09:38:09 -0700 Subject: [PATCH] ir_copy_propagation: Fix up the doxygen about the file. --- ir_copy_propagation.cpp | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/ir_copy_propagation.cpp b/ir_copy_propagation.cpp index 1f8c3590c20..018a30d77cf 100644 --- a/ir_copy_propagation.cpp +++ b/ir_copy_propagation.cpp @@ -22,9 +22,14 @@ */ /** - * \file ir_dead_code.cpp + * \file ir_copy_propagation.cpp * - * Eliminates dead assignments and variable declarations from the code. + * Moves usage of recently-copied variables to the previous copy of + * the variable within basic blocks. + * + * This should reduce the number of MOV instructions in the generated + * programs unless copy propagation is also done on the LIR, and may + * help anyway by triggering other optimizations that live in the HIR. */ #include -- 2.30.2