TableGen/CodeEmitterGen.cpp: Fix an expression of generating bitmask.

~0U might be i32 on 32-bit hosts, then (uint64_t)~0U might not be expected as (i64)0xFFFFFFFF_FFFFFFFF, but as (i64)0x00000000_FFFFFFFF.

llvm-svn: 152407

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/utils/TableGen/CodeEmitterGen.cpp b/llvm/utils/TableGen/CodeEmitterGen.cpp
index 91d8446bc8e..3943e8a40f8 100644
--- a/llvm/utils/TableGen/CodeEmitterGen.cpp
+++ b/llvm/utils/TableGen/CodeEmitterGen.cpp
@@ -163,7 +163,7 @@ AddCodeToMergeInOperand(Record *R, BitsInit *BI, const std::string &VarName,
       --bit;
     }
      
-    uint64_t opMask = ~0U >> (64-N);
+    uint64_t opMask = ~(uint64_t)0 >> (64-N);
     int opShift = beginVarBit - N + 1;
     opMask <<= opShift;
     opShift = beginInstBit - beginVarBit;