Author: lattner
Date: Fri Dec 28 19:05:01 2007
New Revision: 45393
URL: http://llvm.org/viewvc/llvm-project?rev=45393&view=rev
Log:
expand note.
Modified:
llvm/trunk/lib/Target/README.txt
Modified: llvm/trunk/lib/Target/README.txt
URL:
http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/README.txt?rev=45393&r1=45392&r2=45393&view=diff
==============================================================================
--- llvm/trunk/lib/Target/README.txt (original)
+++ llvm/trunk/lib/Target/README.txt Fri Dec 28 19:05:01 2007
@@ -512,6 +512,10 @@
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.
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