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Use new IsNAN() wrapper. 

llvm-svn: 14340
This commit is contained in:
Brian Gaeke 2004-06-23 00:25:35 +00:00
parent a9a9696767
commit 1ea8447089
1 changed files with 2 additions and 15 deletions
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17
llvm/lib/Transforms/Utils/Local.cpp
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@ -12,6 +12,7 @@
//
//===----------------------------------------------------------------------===//
#include "Support/MathExtras.h"
#include "llvm/Transforms/Utils/Local.h"
#include "llvm/Constants.h"
#include "llvm/Instructions.h"
@ -20,18 +21,6 @@
#include <cmath>
using namespace llvm;
#if 0
#if defined(__POWERPC__) && defined(__APPLE_CC__)
// FIXME: Currently it seems that isnan didn't make its way into the Apple
// C++ headers, although it IS in the C headers (which confuses autoconf
// in a big way). This is a quick fix to get things compiling, until one of
// us has time to write a more complicated autoconf test.
extern "C" int isnan (double d);
namespace std { int isnan (double d) { return ::isnan (d); } }
#endif
#endif
//===----------------------------------------------------------------------===//
// Local constant propagation...
//
@ -303,11 +292,9 @@ Constant *llvm::ConstantFoldCall(Function *F,
if (ConstantFP *Op2 = dyn_cast<ConstantFP>(Operands[1])) {
double Op1V = Op1->getValue(), Op2V = Op2->getValue();
#if 0
if (Name == "llvm.isunordered")
return ConstantBool::get(std::isnan(Op1V) | std::isnan(Op2V));
return ConstantBool::get(IsNAN(Op1V) || IsNAN(Op2V));
else
#endif
if (Name == "pow") {
errno = 0;
double V = pow(Op1V, Op2V);