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Fine, go all of the way and check that the argument types are correct as well.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15797 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-08-15 23:39:59 +00:00
parent d297aea5f2
commit f7bedf447e
1 changed files with 27 additions and 13 deletions
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40
lib/ExecutionEngine/JIT/JIT.cpp
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@ -64,22 +64,36 @@ GenericValue JIT::runFunction(Function *F,
void *FPtr = getPointerToFunction(F);
assert(FPtr && "Pointer to fn's code was null after getPointerToFunction");
const Type *RetTy = F->getReturnType();
const FunctionType *FTy = F->getFunctionType();
// Handle some common cases first.
if (RetTy == Type::IntTy || RetTy == Type::UIntTy || RetTy == Type::VoidTy) {
if (ArgValues.size() == 3) {
int (*PF)(int, char **, const char **) =
(int(*)(int, char **, const char **))FPtr;
// Call the function.
rv.IntVal = PF(ArgValues[0].IntVal, (char **)GVTOP(ArgValues[1]),
(const char **)GVTOP(ArgValues[2]));
return rv;
} else if (ArgValues.size() == 1) {
int (*PF)(int) = (int(*)(int))FPtr;
rv.IntVal = PF(ArgValues[0].IntVal);
return rv;
} else if (ArgValues.size() == 0) {
switch (ArgValues.size()) {
case 3:
if (FTy->getNumParams() == 3 &&
(FTy->getParamType(0) == Type::IntTy ||
FTy->getParamType(0) == Type::UIntTy) &&
isa<PointerType>(FTy->getParamType(1)) &&
isa<PointerType>(FTy->getParamType(2))) {
int (*PF)(int, char **, const char **) =
(int(*)(int, char **, const char **))FPtr;
// Call the function.
rv.IntVal = PF(ArgValues[0].IntVal, (char **)GVTOP(ArgValues[1]),
(const char **)GVTOP(ArgValues[2]));
return rv;
}
break;
case 1:
if (FTy->getNumParams() == 1 &&
(FTy->getParamType(0) == Type::IntTy ||
FTy->getParamType(0) == Type::UIntTy)) {
int (*PF)(int) = (int(*)(int))FPtr;
rv.IntVal = PF(ArgValues[0].IntVal);
return rv;
}
break;
case 0:
int (*PF)() = (int(*)())FPtr;
rv.IntVal = PF();
return rv;