Fix JIT support for static ctors, which was apparently completely broken!

This allows Prolangs-C++/city and probably a bunch of other stuff to work
well with the new front-end


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27941 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-04-22 05:02:46 +00:00
parent ba05f728b5
commit b003d76cb3

View File

@ -103,7 +103,11 @@ static void *CreateArgv(ExecutionEngine *EE,
void ExecutionEngine::runStaticConstructorsDestructors(bool isDtors) {
const char *Name = isDtors ? "llvm.global_dtors" : "llvm.global_ctors";
GlobalVariable *GV = CurMod.getNamedGlobal(Name);
if (!GV || GV->isExternal() || !GV->hasInternalLinkage()) return;
// If this global has internal linkage, or if it has a use, then it must be
// an old-style (llvmgcc3) static ctor with __main linked in and in use. If
// this is the case, don't execute any of the global ctors, __main will do it.
if (!GV || GV->isExternal() || GV->hasInternalLinkage()) return;
// Should be an array of '{ int, void ()* }' structs. The first value is the
// init priority, which we ignore.