Changes in directory llvm/include/llvm/ADT:
APInt.h updated: 1.27 -> 1.28
---
Log message:
Add some syntactic sugar.
---
Diffs of the changes: (+31 -0)
APInt.h | 31 +++++++++++++++++++++++++++++++
1 files changed, 31 insertions(+)
Index: llvm/include/llvm/ADT/APInt.h
diff -u llvm/include/llvm/ADT/APInt.h:1.27 llvm/include/llvm/ADT/APInt.h:1.28
--- llvm/include/llvm/ADT/APInt.h:1.27 Tue Feb 27 15:59:26 2007
+++ llvm/include/llvm/ADT/APInt.h Tue Feb 27 17:47:33 2007
@@ -446,6 +446,29 @@
return BitWidth - countLeadingZeros();
}
+ /// This function returns the number of active words in the value of this
+ /// APInt. This is used in conjunction with getActiveData to extract the raw
+ /// value of the APInt.
+ inline uint32_t getActiveWords() const {
+ return whichWord(getActiveBits()-1);
+ }
+
+ /// This function returns a pointer to the internal storage of the APInt.
+ /// This is useful for writing out the APInt in binary form without any
+ /// conversions.
+ inline const uint64_t* getRawData() const {
+ if (isSingleWord())
+ return &VAL;
+ return &pVal[0];
+ }
+
+ /// Computes the minimum bit width for this APInt while considering it to be
+ /// a signed (and probably negative) value. If the value is not negative,
+ /// this function returns the same value as getActiveBits(). Otherwise, it
+ /// returns the smallest bit width that will retain the negative value. For
+ /// example, -1 can be written as 0b1 or 0xFFFFFFFFFF. 0b1 is shorter and so
+ /// for -1, this function will always return 1.
+ /// @brief Get the minimum bit size for this signed APInt
inline uint32_t getMinSignedBits() const {
if (isNegative())
return BitWidth - countLeadingOnes() + 1;
@@ -658,6 +681,14 @@
}
};
+inline bool operator==(uint64_t V1, const APInt& V2) {
+ return V2 == V1;
+}
+
+inline bool operator!=(uint64_t V1, const APInt& V2) {
+ return V2 != V1;
+}
+
namespace APIntOps {
/// @brief Check if the specified APInt has a N-bits integer value.
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