[Beignet] [PATCH 2/2] GBE: fallback if we get a wider than i64 constant.

[Zhigang Gong]

Signed-off-by: Zhigang Gong <zhigang.gong at intel.com>
---
 backend/src/llvm/llvm_gen_backend.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/backend/src/llvm/llvm_gen_backend.cpp b/backend/src/llvm/llvm_gen_backend.cpp
index c2c60a8..e507802 100644
--- a/backend/src/llvm/llvm_gen_backend.cpp
+++ b/backend/src/llvm/llvm_gen_backend.cpp
@@ -865,6 +865,10 @@ namespace gbe
           const uint64_t u64 = CI->getZExtValue();
           return ctx.newImmediate(u64);
         } else {
+          if (CI->getValue().getActiveBits() > 64) {
+            ctx.getUnit().setValid(false);
+            return ctx.newImmediate(uint64_t(0));
+          }
           return ctx.newImmediate(uint64_t(CI->getZExtValue()));
         }
       }
-- 
1.8.3.2