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Fixes to get the C++ backend more working again.

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This commit is contained in:
Matt Pharr
2012-03-30 16:55:36 -07:00
parent c1661eb06b
commit 05d1b06eeb
2 changed files with 61 additions and 57 deletions
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116
cbackend.cpp
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@@ -2071,69 +2071,16 @@ bool CWriter::doInitialization(Module &M) {
Out << "#include \"" << includeName << "\"\n";
generateCompilerSpecificCode(Out, TD);
// Function declarations
Out << "\n/* Function Declarations */\n";
Out << "\n/* Basic Library Function Declarations */\n";
Out << "extern \"C\" {\n";
Out << "int puts(unsigned char *);\n";
Out << "unsigned int putchar(unsigned int);\n";
Out << "int fflush(void *);\n";
Out << "int printf(const unsigned char *, ...);\n";
Out << "uint8_t *memcpy(uint8_t *, uint8_t *, uint64_t );\n";
Out << "}\n\n";
// Store the intrinsics which will be declared/defined below.
SmallVector<const Function*, 8> intrinsicsToDefine;
for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) {
// Don't print declarations for intrinsic functions.
// Store the used intrinsics, which need to be explicitly defined.
if (I->isIntrinsic()) {
switch (I->getIntrinsicID()) {
default:
break;
case Intrinsic::uadd_with_overflow:
case Intrinsic::sadd_with_overflow:
intrinsicsToDefine.push_back(I);
break;
}
continue;
}
if (I->getName() == "setjmp" || I->getName() == "abort" ||
I->getName() == "longjmp" || I->getName() == "_setjmp" ||
I->getName() == "memset" || I->getName() == "memset_pattern16" ||
I->getName() == "puts" ||
I->getName() == "printf" || I->getName() == "putchar" ||
I->getName() == "fflush" || I->getName() == "malloc" ||
I->getName() == "free")
continue;
// Don't redeclare ispc's own intrinsics
std::string name = I->getName();
if (name.size() > 2 && name[0] == '_' && name[1] == '_')
continue;
if (I->hasExternalWeakLinkage())
Out << "extern ";
printFunctionSignature(I, true);
if (I->hasWeakLinkage() || I->hasLinkOnceLinkage())
Out << " __ATTRIBUTE_WEAK__";
if (I->hasExternalWeakLinkage())
Out << " __EXTERNAL_WEAK__";
if (StaticCtors.count(I))
Out << " __ATTRIBUTE_CTOR__";
if (StaticDtors.count(I))
Out << " __ATTRIBUTE_DTOR__";
if (I->hasHiddenVisibility())
Out << " __HIDDEN__";
if (I->hasName() && I->getName()[0] == 1)
Out << " LLVM_ASM(\"" << I->getName().substr(1) << "\")";
Out << ";\n";
}
Out << "}\n";
generateCompilerSpecificCode(Out, TD);
// Provide a definition for `bool' if not compiling with a C++ compiler.
Out << "\n"
@@ -2303,6 +2250,63 @@ bool CWriter::doInitialization(Module &M) {
}
}
// Function declarations
Out << "\n/* Function Declarations */\n";
Out << "extern \"C\" {\n";
// Store the intrinsics which will be declared/defined below.
SmallVector<const Function*, 8> intrinsicsToDefine;
for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) {
// Don't print declarations for intrinsic functions.
// Store the used intrinsics, which need to be explicitly defined.
if (I->isIntrinsic()) {
switch (I->getIntrinsicID()) {
default:
break;
case Intrinsic::uadd_with_overflow:
case Intrinsic::sadd_with_overflow:
intrinsicsToDefine.push_back(I);
break;
}
continue;
}
if (I->getName() == "setjmp" || I->getName() == "abort" ||
I->getName() == "longjmp" || I->getName() == "_setjmp" ||
I->getName() == "memset" || I->getName() == "memset_pattern16" ||
I->getName() == "puts" ||
I->getName() == "printf" || I->getName() == "putchar" ||
I->getName() == "fflush" || I->getName() == "malloc" ||
I->getName() == "free")
continue;
// Don't redeclare ispc's own intrinsics
std::string name = I->getName();
if (name.size() > 2 && name[0] == '_' && name[1] == '_')
continue;
if (I->hasExternalWeakLinkage())
Out << "extern ";
printFunctionSignature(I, true);
if (I->hasWeakLinkage() || I->hasLinkOnceLinkage())
Out << " __ATTRIBUTE_WEAK__";
if (I->hasExternalWeakLinkage())
Out << " __EXTERNAL_WEAK__";
if (StaticCtors.count(I))
Out << " __ATTRIBUTE_CTOR__";
if (StaticDtors.count(I))
Out << " __ATTRIBUTE_DTOR__";
if (I->hasHiddenVisibility())
Out << " __HIDDEN__";
if (I->hasName() && I->getName()[0] == 1)
Out << " LLVM_ASM(\"" << I->getName().substr(1) << "\")";
Out << ";\n";
}
Out << "}\n\n";
if (!M.empty())
Out << "\n\n/* Function Bodies */\n";