Created an abstraction for log2, llvm::Log2 in Support/MathExtras.h
Hid Android problems inside of it
Differential Revision: http://reviews.llvm.org/D9467
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236680
91177308-0d34-0410-b5e6-
96231b3b80d8
#include <intrin.h>
#endif
#include <intrin.h>
#endif
+#ifdef __ANDROID_NDK__
+#include <android/api-level.h>
+#endif
+
namespace llvm {
/// \brief The behavior an operation has on an input of 0.
enum ZeroBehavior {
namespace llvm {
/// \brief The behavior an operation has on an input of 0.
enum ZeroBehavior {
return detail::PopulationCounter<T, sizeof(T)>::count(Value);
}
return detail::PopulationCounter<T, sizeof(T)>::count(Value);
}
+/// Log2 - This function returns the log base 2 of the specified value
+inline double Log2(double Value) {
+#if defined(__ANDROID_API__) && __ANDROID_API__ < 18
+ return (double)__builtin_log2l(Value);
+#else
+ return log2(Value);
+#endif
+}
+
/// Log2_32 - This function returns the floor log base 2 of the specified value,
/// -1 if the value is zero. (32 bit edition.)
/// Ex. Log2_32(32) == 5, Log2_32(1) == 0, Log2_32(0) == -1, Log2_32(6) == 2
/// Log2_32 - This function returns the floor log base 2 of the specified value,
/// -1 if the value is zero. (32 bit edition.)
/// Ex. Log2_32(32) == 5, Log2_32(1) == 0, Log2_32(0) == -1, Log2_32(6) == 2
case Intrinsic::fabs:
return ConstantFoldFP(fabs, V, Ty);
case Intrinsic::log2:
case Intrinsic::fabs:
return ConstantFoldFP(fabs, V, Ty);
case Intrinsic::log2:
- return ConstantFoldFP(log2, V, Ty);
+ return ConstantFoldFP(Log2, V, Ty);
case Intrinsic::log:
return ConstantFoldFP(log, V, Ty);
case Intrinsic::log10:
case Intrinsic::log:
return ConstantFoldFP(log, V, Ty);
case Intrinsic::log10: