diff --git a/tools/llc/README.txt b/tools/llc/README.txt new file mode 100644 index 00000000000..a87ecb0923a --- /dev/null +++ b/tools/llc/README.txt @@ -0,0 +1,14 @@ + +To run this utility: + +For a list of options: + llc -h + +To see the generated machine instructions: + llc -debug_select 1 + +I left that as a "debugging" option since it is not real code. +Use 2 instead of 1 to dump the mapping between LLVM instructions and +Machine instructions, and 5 to see the patterns chosen by BURG. +These outputs aren't very clean. +