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Use the autoconf macro John wrote
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9095 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -20,13 +20,10 @@
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#include "llvm/Support/Mangler.h"
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#include "Support/StringExtras.h"
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#include "Support/STLExtras.h"
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#include "Config/config.h"
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#include <algorithm>
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#include <sstream>
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/* FIXME: This should be autoconf'd! */
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#define HAS_C99_HEXADECIMAL_CONSTANTS 1
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namespace {
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class CWriter : public Pass, public InstVisitor<CWriter> {
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std::ostream &Out;
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@ -341,7 +338,7 @@ void CWriter::printConstantArray(ConstantArray *CPA) {
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// only deal in IEEE FP).
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//
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static bool isFPCSafeToPrint(const ConstantFP *CFP) {
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#if HAS_C99_HEXADECIMAL_CONSTANTS
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#if HAVE_PRINTF_A
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char Buffer[100];
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sprintf(Buffer, "%a", CFP->getValue());
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@ -457,7 +454,7 @@ void CWriter::printConstant(Constant *CPV) {
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Out << "(*(" << (FPC->getType() == Type::FloatTy ? "float" : "double")
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<< "*)&FPConstant" << I->second << ")";
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} else {
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#if HAS_C99_HEXADECIMAL_CONSTANTS
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#if HAVE_PRINTF_A
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// Print out the constant as a floating point number.
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char Buffer[100];
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sprintf(Buffer, "%a", FPC->getValue());
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@ -20,13 +20,10 @@
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#include "llvm/Support/Mangler.h"
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#include "Support/StringExtras.h"
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#include "Support/STLExtras.h"
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#include "Config/config.h"
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#include <algorithm>
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#include <sstream>
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/* FIXME: This should be autoconf'd! */
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#define HAS_C99_HEXADECIMAL_CONSTANTS 1
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namespace {
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class CWriter : public Pass, public InstVisitor<CWriter> {
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std::ostream &Out;
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@ -341,7 +338,7 @@ void CWriter::printConstantArray(ConstantArray *CPA) {
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// only deal in IEEE FP).
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//
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static bool isFPCSafeToPrint(const ConstantFP *CFP) {
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#if HAS_C99_HEXADECIMAL_CONSTANTS
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#if HAVE_PRINTF_A
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char Buffer[100];
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sprintf(Buffer, "%a", CFP->getValue());
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@ -457,7 +454,7 @@ void CWriter::printConstant(Constant *CPV) {
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Out << "(*(" << (FPC->getType() == Type::FloatTy ? "float" : "double")
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<< "*)&FPConstant" << I->second << ")";
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} else {
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#if HAS_C99_HEXADECIMAL_CONSTANTS
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#if HAVE_PRINTF_A
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// Print out the constant as a floating point number.
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char Buffer[100];
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sprintf(Buffer, "%a", FPC->getValue());
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