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add support for explicit calling conventions

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llvm-svn: 21746
This commit is contained in:
Chris Lattner 2005-05-06 20:26:43 +00:00
parent d2dfcb3c0e
commit 26a44493ef
3 changed files with 44 additions and 3 deletions
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29
lib/VMCore/AsmWriter.cpp
View File

@ -18,6 +18,7 @@
#include "llvm/Assembly/Writer.h"
#include "llvm/Assembly/PrintModulePass.h"
#include "llvm/Assembly/AsmAnnotationWriter.h"
#include "llvm/CallingConv.h"
#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Instruction.h"
@ -915,6 +916,14 @@ void AssemblyWriter::printFunction(const Function *F) {
abort();
}
// Print the calling convention.
switch (F->getCallingConv()) {
case CallingConv::C: break; // default
case CallingConv::Fast: Out << "fastcc "; break;
case CallingConv::Cold: Out << "coldcc "; break;
default: Out << "cc" << F->getCallingConv() << " "; break;
}
printType(F->getReturnType()) << ' ';
if (!F->getName().empty())
Out << getLLVMName(F->getName());
@ -1090,7 +1099,15 @@ void AssemblyWriter::printInstruction(const Instruction &I) {
}
} else if (isa<ReturnInst>(I) && !Operand) {
Out << " void";
} else if (isa<CallInst>(I)) {
} else if (const CallInst *CI = dyn_cast<CallInst>(&I)) {
// Print the calling convention being used.
switch (CI->getCallingConv()) {
case CallingConv::C: break; // default
case CallingConv::Fast: Out << " fastcc"; break;
case CallingConv::Cold: Out << " coldcc"; break;
default: Out << " cc" << CI->getCallingConv(); break;
}
const PointerType *PTy = cast<PointerType>(Operand->getType());
const FunctionType *FTy = cast<FunctionType>(PTy->getElementType());
const Type *RetTy = FTy->getReturnType();
@ -1108,7 +1125,7 @@ void AssemblyWriter::printInstruction(const Instruction &I) {
writeOperand(Operand, true);
}
Out << '(';
if (I.getNumOperands() > 1) writeOperand(I.getOperand(1), true);
if (CI->getNumOperands() > 1) writeOperand(CI->getOperand(1), true);
for (unsigned op = 2, Eop = I.getNumOperands(); op < Eop; ++op) {
Out << ',';
writeOperand(I.getOperand(op), true);
@ -1120,6 +1137,14 @@ void AssemblyWriter::printInstruction(const Instruction &I) {
const FunctionType *FTy = cast<FunctionType>(PTy->getElementType());
const Type *RetTy = FTy->getReturnType();
// Print the calling convention being used.
switch (II->getCallingConv()) {
case CallingConv::C: break; // default
case CallingConv::Fast: Out << " fastcc"; break;
case CallingConv::Cold: Out << " coldcc"; break;
default: Out << " cc" << II->getCallingConv(); break;
}
// If possible, print out the short form of the invoke instruction. We can
// only do this if the first argument is a pointer to a nonvararg function,
// and if the return type is not a pointer to a function.

1
lib/VMCore/Function.cpp
View File

@ -77,6 +77,7 @@ void Argument::setParent(Function *parent) {
Function::Function(const FunctionType *Ty, LinkageTypes Linkage,
const std::string &name, Module *ParentModule)
: GlobalValue(PointerType::get(Ty), Value::FunctionVal, 0, 0, Linkage, name) {
CallingConvention = 0;
BasicBlocks.setItemParent(this);
BasicBlocks.setParent(this);
ArgumentList.setItemParent(this);

17
lib/VMCore/Instructions.cpp
View File

@ -20,6 +20,20 @@
#include "llvm/Support/CallSite.h"
using namespace llvm;
unsigned CallSite::getCallingConv() const {
if (CallInst *CI = dyn_cast<CallInst>(I))
return CI->getCallingConv();
else
return cast<InvokeInst>(I)->getCallingConv();
}
void CallSite::setCallingConv(unsigned CC) {
if (CallInst *CI = dyn_cast<CallInst>(I))
CI->setCallingConv(CC);
else
cast<InvokeInst>(I)->setCallingConv(CC);
}
//===----------------------------------------------------------------------===//
// TerminatorInst Class
//===----------------------------------------------------------------------===//
@ -249,7 +263,7 @@ CallInst::CallInst(Value *Func, const std::string &Name,
CallInst::CallInst(const CallInst &CI)
: Instruction(CI.getType(), Instruction::Call, new Use[CI.getNumOperands()],
CI.getNumOperands()) {
setTailCall(CI.isTailCall());
SubclassData = CI.SubclassData;
Use *OL = OperandList;
Use *InOL = CI.OperandList;
for (unsigned i = 0, e = CI.getNumOperands(); i != e; ++i)
@ -306,6 +320,7 @@ InvokeInst::InvokeInst(Value *Fn, BasicBlock *IfNormal,
InvokeInst::InvokeInst(const InvokeInst &II)
: TerminatorInst(II.getType(), Instruction::Invoke,
new Use[II.getNumOperands()], II.getNumOperands()) {
SubclassData = II.SubclassData;
Use *OL = OperandList, *InOL = II.OperandList;
for (unsigned i = 0, e = II.getNumOperands(); i != e; ++i)
OL[i].init(InOL[i], this);