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Use new IsNAN() wrapper.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14340 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -12,6 +12,7 @@
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//
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//===----------------------------------------------------------------------===//
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#include "Support/MathExtras.h"
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#include "llvm/Transforms/Utils/Local.h"
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#include "llvm/Constants.h"
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#include "llvm/Instructions.h"
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@ -20,18 +21,6 @@
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#include <cmath>
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using namespace llvm;
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#if 0
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#if defined(__POWERPC__) && defined(__APPLE_CC__)
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// FIXME: Currently it seems that isnan didn't make its way into the Apple
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// C++ headers, although it IS in the C headers (which confuses autoconf
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// in a big way). This is a quick fix to get things compiling, until one of
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// us has time to write a more complicated autoconf test.
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extern "C" int isnan (double d);
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namespace std { int isnan (double d) { return ::isnan (d); } }
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#endif
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#endif
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//===----------------------------------------------------------------------===//
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// Local constant propagation...
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//
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@ -303,11 +292,9 @@ Constant *llvm::ConstantFoldCall(Function *F,
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if (ConstantFP *Op2 = dyn_cast<ConstantFP>(Operands[1])) {
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double Op1V = Op1->getValue(), Op2V = Op2->getValue();
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#if 0
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if (Name == "llvm.isunordered")
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return ConstantBool::get(std::isnan(Op1V) | std::isnan(Op2V));
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return ConstantBool::get(IsNAN(Op1V) || IsNAN(Op2V));
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else
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#endif
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if (Name == "pow") {
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errno = 0;
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double V = pow(Op1V, Op2V);
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