Propagate reaching definitions to the instuctions of a block.
authorkmillikin@chromium.org <kmillikin@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Tue, 16 Mar 2010 10:54:02 +0000 (10:54 +0000)
committerkmillikin@chromium.org <kmillikin@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Tue, 16 Mar 2010 10:54:02 +0000 (10:54 +0000)
commit4669473a7b33ba94dff634e229a31f5392989634
tree4fed19931e7c98d68f4ee33d4c5a7fa99c47eadd
parentae9b1088f2952557c49c3865cb6e2356a9e33049
Propagate reaching definitions to the instuctions of a block.

After computing RD_in for all flow graph nodes, push the reaching
definitions through the basic blocks to annotate all variable
references in the AST.

Review URL: http://codereview.chromium.org/889003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4143 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
src/ast.cc
src/ast.h
src/data-flow.cc
src/data-flow.h