This is done already.
authorGordon Henriksen <gordonhenriksen@mac.com>
Sat, 29 Sep 2007 02:23:08 +0000 (02:23 +0000)
committerGordon Henriksen <gordonhenriksen@mac.com>
Sat, 29 Sep 2007 02:23:08 +0000 (02:23 +0000)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42467 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/README.txt

index 8bd9a7a..1e28375 100644 (file)
@@ -151,13 +151,6 @@ an example.
 
 //===---------------------------------------------------------------------===//
 
-Instead of unconditionally inserting a null initializer for every GC root when
-Collector::InitRoots is set, the collector infrastructure should get a little
-bit smarter and perform a trivial DSE of the initial basic block up to the
-first safe point.
-
-//===---------------------------------------------------------------------===//
-
 With a copying garbage collector, derived pointers must not be retained across
 collector safe points; the collector could move the objects and invalidate the
 derived pointer. This is bad enough in the first place, but safe points can