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-rw-r--r--lib/Core/Executor.cpp10
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/Core/Executor.cpp b/lib/Core/Executor.cpp
index 24211453..2e5b864c 100644
--- a/lib/Core/Executor.cpp
+++ b/lib/Core/Executor.cpp
@@ -1531,7 +1531,11 @@ void Executor::executeInstruction(ExecutionState &state, KInstruction *ki) {
                            CallSite(cast<CallInst>(caller)));
 
             // XXX need to check other param attrs ?
-      bool isSExt = cs.paramHasAttr(0, llvm::Attribute::SExt);
+#if LLVM_VERSION_CODE >= LLVM_VERSION(5, 0)
+            bool isSExt = cs.hasRetAttr(llvm::Attribute::SExt);
+#else
+            bool isSExt = cs.paramHasAttr(0, llvm::Attribute::SExt);
+#endif
             if (isSExt) {
               result = SExtExpr::create(result, to);
             } else {
@@ -1829,7 +1833,11 @@ void Executor::executeInstruction(ExecutionState &state, KInstruction *ki) {
 
             if (from != to) {
               // XXX need to check other param attrs ?
+#if LLVM_VERSION_CODE >= LLVM_VERSION(5, 0)
+              bool isSExt = cs.paramHasAttr(i, llvm::Attribute::SExt);
+#else
               bool isSExt = cs.paramHasAttr(i+1, llvm::Attribute::SExt);
+#endif
               if (isSExt) {
                 arguments[i] = SExtExpr::create(arguments[i], to);
               } else {