diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/README.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Target/README.txt b/lib/Target/README.txt index 2ef77cb8d3..1f7b3c8cd0 100644 --- a/lib/Target/README.txt +++ b/lib/Target/README.txt @@ -512,6 +512,10 @@ better to sink the picbase computation down into the block for the assertion, as it is the only one that uses it. This happens for a lot of code with early outs. +Another example is loads of arguments, which are usually emitted into the +entry block on targets like x86. If not used in all paths through a +function, they should be sunk into the ones that do. + In this case, whole-function-isel would also handle this. //===---------------------------------------------------------------------===// |