Changes in directory llvm/include/llvm:
DerivedTypes.h updated: 1.86 -> 1.87
---
Log message:
add a getSignBit method, elimiante virtual method from getBitMask()
---
Diffs of the changes: (+7 -1)
DerivedTypes.h | 8 +++++++-
1 files changed, 7 insertions(+), 1 deletion(-)
Index: llvm/include/llvm/DerivedTypes.h
diff -u llvm/include/llvm/DerivedTypes.h:1.86
llvm/include/llvm/DerivedTypes.h:1.87
--- llvm/include/llvm/DerivedTypes.h:1.86 Wed Feb 28 22:02:06 2007
+++ llvm/include/llvm/DerivedTypes.h Sun Mar 4 17:33:19 2007
@@ -106,9 +106,15 @@
/// that can be set by an unsigned version of this type. This is 0xFF for
/// sbyte/ubyte, 0xFFFF for shorts, etc.
uint64_t getBitMask() const {
- return ~uint64_t(0UL) >> (64-getPrimitiveSizeInBits());
+ return ~uint64_t(0UL) >> (64-getBitWidth());
}
+ /// getSignBit - Return a uint64_t with just the most significant bit set
(the
+ /// sign bit, if the value is treated as a signed number).
+ uint64_t getSignBit() const {
+ return 1ULL << (getBitWidth()-1);
+ }
+
/// For example, this is 0xFF for an 8 bit integer, 0xFFFF for i16, etc.
/// @returns a bit mask with ones set for all the bits of this type.
/// @brief Get a bit mask for this type.
_______________________________________________
llvm-commits mailing list
llvm-commits@cs.uiuc.edu
http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
