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| author | Chris Lattner <sabre@nondot.org> | 2007-12-29 01:05:01 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2007-12-29 01:05:01 +0000 |
| commit | 92c06a01de63a94476f956101a28828c3f55adee (patch) | |
| tree | 6ebcebbebe96804d2fdb68d12d4e6df0e90b1d7e /lib | |
| parent | 741c0aea08feab0ebd1932aaa8dd38836b2073ea (diff) | |
| download | external_llvm-92c06a01de63a94476f956101a28828c3f55adee.zip external_llvm-92c06a01de63a94476f956101a28828c3f55adee.tar.gz external_llvm-92c06a01de63a94476f956101a28828c3f55adee.tar.bz2 | |
expand note.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45393 91177308-0d34-0410-b5e6-96231b3b80d8
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 2ef77cb..1f7b3c8 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. //===---------------------------------------------------------------------===// |