Fix some failures in targets on available_externally functions,
this fixes a crash on CodeGen/Generic/externally_available.ll
on ppc hosts. Thanks to Nicholas L for pointing this out.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69333 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
index 426ec46..823e316 100644
--- a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
+++ b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
@@ -25,6 +25,7 @@
#include "llvm/CodeGen/SelectionDAGISel.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/Constants.h"
+#include "llvm/Function.h"
#include "llvm/GlobalValue.h"
#include "llvm/Intrinsics.h"
#include "llvm/Support/Debug.h"
@@ -49,6 +50,11 @@
PPCSubTarget(*TM.getSubtargetImpl()) {}
virtual bool runOnFunction(Function &Fn) {
+ // Do not codegen any 'available_externally' functions at all, they have
+ // definitions outside the translation unit.
+ if (Fn.hasAvailableExternallyLinkage())
+ return false;
+
// Make sure we re-emit a set of the global base reg if necessary
GlobalBaseReg = 0;
SelectionDAGISel::runOnFunction(Fn);