In -fast mode do what FastISel does.
This code could use some refactoring help!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69254 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 7343b83..49ff4f2 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -296,6 +296,12 @@
assert((!EnableFastISelAbort || EnableFastISel) &&
"-fast-isel-abort requires -fast-isel");
+ // Do not codegen any 'available_externally' functions at all, they have
+ // definitions outside the translation unit.
+ if (Fn.hasAvailableExternallyLinkage())
+ return false;
+
+
// Get alias analysis for load/store combining.
AA = &getAnalysis<AliasAnalysis>();