Fix a regression in the last patch. When constructing a BitMask, be careful
not to overflow 64-bits and end up with a 0 mask. This caused i64 values to
always be stored as 0 with lots of consequential damage to nightly test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33335 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/ExecutionEngine/ExecutionEngine.cpp b/lib/ExecutionEngine/ExecutionEngine.cpp
index 2cb4a8e..771ce0b 100644
--- a/lib/ExecutionEngine/ExecutionEngine.cpp
+++ b/lib/ExecutionEngine/ExecutionEngine.cpp
@@ -457,6 +457,8 @@
case Type::IntegerTyID: {
unsigned BitWidth = cast<IntegerType>(Ty)->getBitWidth();
uint64_t BitMask = (1ull << BitWidth) - 1;
+ if (BitWidth >= 64)
+ BitMask = (uint64_t)-1;
GenericValue TmpVal = Val;
if (BitWidth <= 8)
Ptr->Untyped[0] = Val.Int8Val & BitMask;
@@ -513,6 +515,8 @@
case Type::IntegerTyID: {
unsigned BitWidth = cast<IntegerType>(Ty)->getBitWidth();
uint64_t BitMask = (1ull << BitWidth) - 1;
+ if (BitWidth >= 64)
+ BitMask = (uint64_t)-1;
GenericValue TmpVal = Val;
if (BitWidth <= 8)
Ptr->Untyped[0] = Val.Int8Val & BitMask;