5 files changed, 0 insertions, 99 deletions
diff --git a/llvm/lib/Analysis/ConstantFolding.cpp b/llvm/lib/Analysis/ConstantFolding.cpp
index fcafb41fa95..5582bfbe8ee 100644
--- a/llvm/lib/Analysis/ConstantFolding.cpp
+++ b/llvm/lib/Analysis/ConstantFolding.cpp
@@ -1451,26 +1451,16 @@ static Constant *ConstantFoldScalarCall(StringRef Name, unsigned IntrinsicID,
         default: break;
         case Intrinsic::fabs:
           return ConstantFoldFP(fabs, V, Ty);
-#if HAVE_LOG2
         case Intrinsic::log2:
           return ConstantFoldFP(log2, V, Ty);
-#endif
-#if HAVE_LOG
         case Intrinsic::log:
           return ConstantFoldFP(log, V, Ty);
-#endif
-#if HAVE_LOG10
         case Intrinsic::log10:
           return ConstantFoldFP(log10, V, Ty);
-#endif
-#if HAVE_EXP
         case Intrinsic::exp:
           return ConstantFoldFP(exp, V, Ty);
-#endif
-#if HAVE_EXP2
         case Intrinsic::exp2:
           return ConstantFoldFP(exp2, V, Ty);
-#endif
         case Intrinsic::floor:
           return ConstantFoldFP(floor, V, Ty);
         case Intrinsic::ceil:
diff --git a/llvm/lib/Support/APInt.cpp b/llvm/lib/Support/APInt.cpp
index 50a639cc51e..fefd0f35aaa 100644
--- a/llvm/lib/Support/APInt.cpp
+++ b/llvm/lib/Support/APInt.cpp
@@ -1310,13 +1310,8 @@ APInt APInt::sqrt() const {
   // libc sqrt function which will probably use a hardware sqrt computation.
   // This should be faster than the algorithm below.
   if (magnitude < 52) {
-#if HAVE_ROUND
     return APInt(BitWidth,
                  uint64_t(::round(::sqrt(double(isSingleWord()?VAL:pVal[0])))));
-#else
-    return APInt(BitWidth,
-                 uint64_t(::sqrt(double(isSingleWord()?VAL:pVal[0])) + 0.5));
-#endif
   }
 
   // Okay, all the short cuts are exhausted. We must compute it. The following
diff --git a/llvm/lib/Support/CMakeLists.txt b/llvm/lib/Support/CMakeLists.txt
index a44c1a35c4d..684afa95578 100644
--- a/llvm/lib/Support/CMakeLists.txt
+++ b/llvm/lib/Support/CMakeLists.txt
@@ -58,8 +58,6 @@ add_llvm_library(LLVMSupport
   IntEqClasses.cpp
   IntervalMap.cpp
   IntrusiveRefCntPtr.cpp
-  IsInf.cpp
-  IsNAN.cpp
   LEB128.cpp
   LineIterator.cpp
   Locale.cpp
diff --git a/llvm/lib/Support/IsInf.cpp b/llvm/lib/Support/IsInf.cpp
deleted file mode 100644
index d6da0c99e8d..00000000000
--- a/llvm/lib/Support/IsInf.cpp
+++ /dev/null
@@ -1,49 +0,0 @@
-//===-- IsInf.cpp - Platform-independent wrapper around C99 isinf() -------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// Platform-independent wrapper around C99 isinf()
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Config/config.h"
-
-#if HAVE_ISINF_IN_MATH_H
-# include <math.h>
-#elif HAVE_ISINF_IN_CMATH
-# include <cmath>
-#elif HAVE_STD_ISINF_IN_CMATH
-# include <cmath>
-using std::isinf;
-#elif HAVE_FINITE_IN_IEEEFP_H
-// A handy workaround I found at http://www.unixguide.net/sun/faq ...
-// apparently this has been a problem with Solaris for years.
-# include <ieeefp.h>
-static int isinf(double x) { return !finite(x) && x==x; }
-#elif defined(_MSC_VER)
-#include <float.h>
-#define isinf(X) (!_finite(X))
-#elif defined(_AIX) && defined(__GNUC__)
-// GCC's fixincludes seems to be removing the isinf() declaration from the
-// system header /usr/include/math.h
-# include <math.h>
-static int isinf(double x) { return !finite(x) && x==x; }
-#elif defined(__hpux)
-// HP-UX is "special"
-#include <math.h>
-static int isinf(double x) { return ((x) == INFINITY) || ((x) == -INFINITY); }
-#else
-# error "Don't know how to get isinf()"
-#endif
-
-namespace llvm {
-
-int IsInf(float f)  { return isinf(f); }
-int IsInf(double d) { return isinf(d); }
-
-} // end namespace llvm;
diff --git a/llvm/lib/Support/IsNAN.cpp b/llvm/lib/Support/IsNAN.cpp
deleted file mode 100644
index bdfdfbf3155..00000000000
--- a/llvm/lib/Support/IsNAN.cpp
+++ /dev/null
@@ -1,33 +0,0 @@
-//===-- IsNAN.cpp ---------------------------------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// Platform-independent wrapper around C99 isnan().
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Config/config.h"
-
-#if HAVE_ISNAN_IN_MATH_H
-# include <math.h>
-#elif HAVE_ISNAN_IN_CMATH
-# include <cmath>
-#elif HAVE_STD_ISNAN_IN_CMATH
-# include <cmath>
-using std::isnan;
-#elif defined(_MSC_VER)
-#include <float.h>
-#define isnan _isnan
-#else
-# error "Don't know how to get isnan()"
-#endif
-
-namespace llvm {
-  int IsNAN(float f)  { return isnan(f); }
-  int IsNAN(double d) { return isnan(d); }
-} // end namespace llvm;