Revert "Give internal classes hidden visibility."
It works with clang, but GCC has different rules so we can't make all of those
hidden. This reverts commit r190534.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190536 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SpillPlacement.h b/lib/CodeGen/SpillPlacement.h
index 0a90398..105516b 100644
--- a/lib/CodeGen/SpillPlacement.h
+++ b/lib/CodeGen/SpillPlacement.h
@@ -39,7 +39,7 @@
class MachineBasicBlock;
class MachineLoopInfo;
-class LLVM_LIBRARY_VISIBILITY SpillPlacement : public MachineFunctionPass {
+class SpillPlacement : public MachineFunctionPass {
struct Node;
const MachineFunction *MF;
const EdgeBundles *bundles;