Remove unused Target argument from AsmParser construction methods.

[oota-llvm.git] / include / llvm / ADT / APInt.h

diff --git a/include/llvm/ADT/APInt.h b/include/llvm/ADT/APInt.h
index b91d5dc9bcf9ed95c8c7ec06e5b448f9b643e497..58c9837abf767f6f5778c1e4d29f8cba356ba935 100644 (file)
--- a/include/llvm/ADT/APInt.h
+++ b/include/llvm/ADT/APInt.h
@@ -15,6 +15,7 @@
 #ifndef LLVM_APINT_H
 #define LLVM_APINT_H
 
+#include "llvm/ADT/ArrayRef.h"
 #include "llvm/Support/MathExtras.h"
 #include <cassert>
 #include <climits>
@@ -176,6 +177,9 @@ class APInt {
   /// out-of-line slow case for inline constructor
   void initSlowCase(unsigned numBits, uint64_t val, bool isSigned);
 
+  /// shared code between two array constructors
+  void initFromArray(ArrayRef<uint64_t> array);
+
   /// out-of-line slow case for inline copy constructor
   void initSlowCase(const APInt& that);
 
@@ -230,12 +234,19 @@ public:
     clearUnusedBits();
   }
 
-  /// Note that numWords can be smaller or larger than the corresponding bit
-  /// width but any extraneous bits will be dropped.
+  /// Note that bigVal.size() can be smaller or larger than the corresponding
+  /// bit width but any extraneous bits will be dropped.
   /// @param numBits the bit width of the constructed APInt
-  /// @param numWords the number of words in bigVal
   /// @param bigVal a sequence of words to form the initial value of the APInt
   /// @brief Construct an APInt of numBits width, initialized as bigVal[].
+  APInt(unsigned numBits, ArrayRef<uint64_t> bigVal);
+  /// Equivalent to APInt(numBits, ArrayRef<uint64_t>(bigVal, numWords)), but
+  /// deprecated because this constructor is prone to ambiguity with the
+  /// APInt(unsigned, uint64_t, bool) constructor.
+  ///
+  /// If this overload is ever deleted, care should be taken to prevent calls
+  /// from being incorrectly captured by the APInt(unsigned, uint64_t, bool)
+  /// constructor.
   APInt(unsigned numBits, unsigned numWords, const uint64_t bigVal[]);
 
   /// This constructor interprets the string \arg str in the given radix. The
@@ -342,7 +353,8 @@ public:
 
     if (isSingleWord())
       return isUIntN(N, VAL);
-    return APInt(N, getNumWords(), pVal).zext(getBitWidth()) == (*this);
+    return APInt(N, makeArrayRef(pVal, getNumWords())).zext(getBitWidth())
+      == (*this);
   }
 
   /// @brief Check if this APInt has an N-bits signed integer value.
@@ -818,6 +830,7 @@ public:
   APInt usub_ov(const APInt &RHS, bool &Overflow) const;
   APInt sdiv_ov(const APInt &RHS, bool &Overflow) const;
   APInt smul_ov(const APInt &RHS, bool &Overflow) const;
+  APInt umul_ov(const APInt &RHS, bool &Overflow) const;
   APInt sshl_ov(unsigned Amt, bool &Overflow) const;
 
   /// @returns the bit value at bitPosition
@@ -1193,6 +1206,12 @@ public:
   /// @brief Count the number of leading one bits.
   unsigned countLeadingOnes() const;
 
+  /// Computes the number of leading bits of this APInt that are equal to its
+  /// sign bit.
+  unsigned getNumSignBits() const {
+    return isNegative() ? countLeadingOnes() : countLeadingZeros();
+  }
+
   /// countTrailingZeros - This function is an APInt version of the
   /// countTrailingZeros_{32,64} functions in MathExtras.h. It counts
   /// the number of zeros from the least significant bit to the first set bit.
@@ -1234,18 +1253,19 @@ public:
 
   /// toString - Converts an APInt to a string and append it to Str.  Str is
   /// commonly a SmallString.
-  void toString(SmallVectorImpl<char> &Str, unsigned Radix, bool Signed) const;
+  void toString(SmallVectorImpl<char> &Str, unsigned Radix, bool Signed,
+                bool formatAsCLiteral = false) const;
 
   /// Considers the APInt to be unsigned and converts it into a string in the
   /// radix given. The radix can be 2, 8, 10 or 16.
   void toStringUnsigned(SmallVectorImpl<char> &Str, unsigned Radix = 10) const {
-    toString(Str, Radix, false);
+    toString(Str, Radix, false, false);
   }
 
   /// Considers the APInt to be signed and converts it into a string in the
   /// radix given. The radix can be 2, 8, 10 or 16.
   void toStringSigned(SmallVectorImpl<char> &Str, unsigned Radix = 10) const {
-    toString(Str, Radix, true);
+    toString(Str, Radix, true, false);
   }
 
   /// toString - This returns the APInt as a std::string.  Note that this is an
@@ -1366,7 +1386,7 @@ public:
 
   /// Calculate the magic number for unsigned division by a constant.
   struct mu;
-  mu magicu() const;
+  mu magicu(unsigned LeadingZeros = 0) const;
 
   /// @}
   /// @name Building-block Operations for APInt and APFloat