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Use the autoconf macro John wrote

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llvm-svn: 9095
This commit is contained in:
Chris Lattner 2003-10-13 17:13:53 +00:00
parent dda241ffe4
commit 9506b0d6e2
1 changed files with 3 additions and 6 deletions
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9
lib/CWriter/Writer.cpp
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@ -20,13 +20,10 @@
#include "llvm/Support/Mangler.h"
#include "Support/StringExtras.h"
#include "Support/STLExtras.h"
#include "Config/config.h"
#include <algorithm>
#include <sstream>
/* FIXME: This should be autoconf'd! */
#define HAS_C99_HEXADECIMAL_CONSTANTS 1
namespace {
class CWriter : public Pass, public InstVisitor<CWriter> {
std::ostream &Out;
@ -341,7 +338,7 @@ void CWriter::printConstantArray(ConstantArray *CPA) {
// only deal in IEEE FP).
//
static bool isFPCSafeToPrint(const ConstantFP *CFP) {
#if HAS_C99_HEXADECIMAL_CONSTANTS
#if HAVE_PRINTF_A
char Buffer[100];
sprintf(Buffer, "%a", CFP->getValue());
@ -457,7 +454,7 @@ void CWriter::printConstant(Constant *CPV) {
Out << "(*(" << (FPC->getType() == Type::FloatTy ? "float" : "double")
<< "*)&FPConstant" << I->second << ")";
} else {
#if HAS_C99_HEXADECIMAL_CONSTANTS
#if HAVE_PRINTF_A
// Print out the constant as a floating point number.
char Buffer[100];
sprintf(Buffer, "%a", FPC->getValue());