lower requirements for lower llvm/clang versions

3.7.1 works with the exception of InsTrim, 3.8.1 and above is ok

1 files changed, 11 insertions, 0 deletions

diff --git a/llvm_mode/MarkNodes.cc b/llvm_mode/MarkNodes.cc
index caa8cede..7b22bac0 100644
--- a/llvm_mode/MarkNodes.cc
+++ b/llvm_mode/MarkNodes.cc
@@ -3,11 +3,22 @@
 #include <queue>
 #include <set>
 #include <vector>
+
+#include "llvm/Config/llvm-config.h"
+#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR < 5
+typedef long double max_align_t;
+#endif
+
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/DenseSet.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/IR/BasicBlock.h"
+#if LLVM_VERSION_MAJOR > 3 || \
+    (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR > 4)
 #include "llvm/IR/CFG.h"
+#else
+#include "llvm/Support/CFG.h"
+#endif
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/Function.h"
 #include "llvm/IR/IRBuilder.h"