Make getByValTypeAlignment() taking DataLayout as an argument

[oota-llvm.git] / lib / CodeGen / DwarfEHPrepare.cpp

diff --git a/lib/CodeGen/DwarfEHPrepare.cpp b/lib/CodeGen/DwarfEHPrepare.cpp
index f58fb59d060c40f7933bd957e415bbf14b5d7756..e019dfbc8f7db0a666ae1581f8ac08121d17b8ac 100644 (file)
--- a/lib/CodeGen/DwarfEHPrepare.cpp
+++ b/lib/CodeGen/DwarfEHPrepare.cpp
@@ -16,6 +16,7 @@
 #include "llvm/ADT/BitVector.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/Analysis/CFG.h"
+#include "llvm/Analysis/LibCallSemantics.h"
 #include "llvm/Analysis/TargetTransformInfo.h"
 #include "llvm/IR/Dominators.h"
 #include "llvm/IR/Function.h"
@@ -191,6 +192,11 @@ bool DwarfEHPrepare::InsertUnwindResumeCalls(Function &Fn) {
   if (Resumes.empty())
     return false;
 
+  // Check the personality, don't do anything if it's for MSVC.
+  EHPersonality Pers = classifyEHPersonality(Fn.getPersonalityFn());
+  if (isMSVCEHPersonality(Pers))
+    return false;
+
   LLVMContext &Ctx = Fn.getContext();
 
   size_t ResumesLeft = pruneUnreachableResumes(Fn, Resumes, CleanupLPads);