[PATCH] D153686: [Support] Remove countLeadingZeros, countPopulation, etc
Kazu Hirata via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sat Jun 24 00:00:18 PDT 2023
This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG6b50a10d87ba: [Support] Remove countLeadingZeros, countPopulation, etc (authored by kazu).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D153686/new/
https://reviews.llvm.org/D153686
Files:
llvm/include/llvm/Support/MathExtras.h
Index: llvm/include/llvm/Support/MathExtras.h
===================================================================
--- llvm/include/llvm/Support/MathExtras.h
+++ llvm/include/llvm/Support/MathExtras.h
@@ -60,34 +60,6 @@
phif = 1.61803399F; // (0x1.9e377aP+0) https://oeis.org/A001622
} // namespace numbers
-/// Count number of 0's from the least significant bit to the most
-/// stopping at the first 1.
-///
-/// Only unsigned integral types are allowed.
-///
-/// Returns std::numeric_limits<T>::digits on an input of 0.
-template <typename T>
-LLVM_DEPRECATED("Use llvm::countr_zero instead.", "llvm::countr_zero")
-unsigned countTrailingZeros(T Val) {
- static_assert(std::is_unsigned_v<T>,
- "Only unsigned integral types are allowed.");
- return llvm::countr_zero(Val);
-}
-
-/// Count number of 0's from the most significant bit to the least
-/// stopping at the first 1.
-///
-/// Only unsigned integral types are allowed.
-///
-/// Returns std::numeric_limits<T>::digits on an input of 0.
-template <typename T>
-LLVM_DEPRECATED("Use llvm::countl_zero instead.", "llvm::countl_zero")
-unsigned countLeadingZeros(T Val) {
- static_assert(std::is_unsigned_v<T>,
- "Only unsigned integral types are allowed.");
- return llvm::countl_zero(Val);
-}
-
/// Create a bitmask with the N right-most bits set to 1, and all other
/// bits set to 0. Only unsigned types are allowed.
template <typename T> T maskTrailingOnes(unsigned N) {
@@ -298,47 +270,6 @@
return llvm::has_single_bit(Value);
}
-/// Count the number of ones from the most significant bit to the first
-/// zero bit.
-///
-/// Ex. countLeadingOnes(0xFF0FFF00) == 8.
-/// Only unsigned integral types are allowed.
-///
-/// Returns std::numeric_limits<T>::digits on an input of all ones.
-template <typename T>
-LLVM_DEPRECATED("Use llvm::countl_one instead.", "llvm::countl_one")
-unsigned countLeadingOnes(T Value) {
- static_assert(std::is_unsigned_v<T>,
- "Only unsigned integral types are allowed.");
- return llvm::countl_one<T>(Value);
-}
-
-/// Count the number of ones from the least significant bit to the first
-/// zero bit.
-///
-/// Ex. countTrailingOnes(0x00FF00FF) == 8.
-/// Only unsigned integral types are allowed.
-///
-/// Returns std::numeric_limits<T>::digits on an input of all ones.
-template <typename T>
-LLVM_DEPRECATED("Use llvm::countr_one instead.", "llvm::countr_one")
-unsigned countTrailingOnes(T Value) {
- static_assert(std::is_unsigned_v<T>,
- "Only unsigned integral types are allowed.");
- return llvm::countr_one<T>(Value);
-}
-
-/// Count the number of set bits in a value.
-/// Ex. countPopulation(0xF000F000) = 8
-/// Returns 0 if the word is zero.
-template <typename T>
-LLVM_DEPRECATED("Use llvm::popcount instead.", "llvm::popcount")
-inline unsigned countPopulation(T Value) {
- static_assert(std::is_unsigned_v<T>,
- "Only unsigned integral types are allowed.");
- return (unsigned)llvm::popcount(Value);
-}
-
/// Return true if the argument contains a non-empty sequence of ones with the
/// remainder zero (32 bit version.) Ex. isShiftedMask_32(0x0000FF00U) == true.
/// If true, \p MaskIdx will specify the index of the lowest set bit and \p
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