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These only really work if returning int or void

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15796 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-08-15 23:34:48 +00:00
parent 95f114c5a9
commit d297aea5f2
1 changed files with 20 additions and 16 deletions
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36
lib/ExecutionEngine/JIT/JIT.cpp
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@ -63,23 +63,27 @@ 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();
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) {
int (*PF)() = (int(*)())FPtr;
rv.IntVal = PF();
return rv;
// 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) {
int (*PF)() = (int(*)())FPtr;
rv.IntVal = PF();
return rv;
}
}
// FIXME: This code should handle a couple of common cases efficiently, but