[llvm] r297969 - Attempt to fix bot failure on Windows.

[Adrian Prantl via llvm-commits]

Author: adrian
Date: Thu Mar 16 13:06:04 2017
New Revision: 297969

URL: http://llvm.org/viewvc/llvm-project?rev=297969&view=rev
Log:
Attempt to fix bot failure on Windows.
Looks like this expression was accidentally using 32-bit arithmetic.

Modified:
    llvm/trunk/lib/CodeGen/AsmPrinter/DwarfExpression.cpp

Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfExpression.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfExpression.cpp?rev=297969&r1=297968&r2=297969&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfExpression.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfExpression.cpp Thu Mar 16 13:06:04 2017
@@ -302,7 +302,7 @@ void DwarfExpression::maskSubRegister()
   assert(SubRegisterSizeInBits && "no subregister was registered");
   if (SubRegisterOffsetInBits > 0)
     addShr(SubRegisterOffsetInBits);
-  uint64_t Mask = (1UL << SubRegisterSizeInBits) - 1;
+  uint64_t Mask = (1ULL << (uint64_t)SubRegisterSizeInBits) - 1ULL;
   addAnd(Mask);
 }