Allow targets to emit code into the entry block of each function

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21930 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index b2b84dfaea92a74578828485261c51e6633263b6..bda0fcbb2bc3ee7eea2ad58c3fb757f87cf192c6 100644 (file)
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -932,6 +932,8 @@ bool SelectionDAGISel::runOnFunction(Function &Fn) {
 
   FunctionLoweringInfo FuncInfo(TLI, Fn, MF);
 
+  EmitFunctionEntryCode(Fn, MF);
+
   for (Function::iterator I = Fn.begin(), E = Fn.end(); I != E; ++I)
     SelectBasicBlock(I, MF, FuncInfo);