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Get rid of _stdlib_didEnterMain

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Process arguments are now fetched per-platform
This commit is contained in:
Robert Widmann
2016-07-13 23:52:23 -07:00
parent 0586bc6a3d
commit fe00dc74ea
6 changed files with 18 additions and 52 deletions
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35
lib/SILGen/SILGen.cpp
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@@ -1223,29 +1223,6 @@ void SILGenModule::visitTopLevelCodeDecl(TopLevelCodeDecl *td) {
}
}
static void emitTopLevelProlog(SILGenFunction &gen, SILLocation loc) {
assert(gen.B.getInsertionBB()->getIterator() == gen.F.begin()
&& "not at entry point?!");
SILBasicBlock *entry = gen.B.getInsertionBB();
// Create the argc and argv arguments.
auto &C = gen.getASTContext();
auto FnTy = gen.F.getLoweredFunctionType();
auto *argc = entry->createArgument(FnTy->getParameters()[0].getSILType());
auto *argv = entry->createArgument(FnTy->getParameters()[1].getSILType());
// If the standard library provides a _stdlib_didEnterMain intrinsic, call it
// first thing.
if (auto didEnterMain = C.getDidEnterMain(nullptr)) {
ManagedValue params[] = {
ManagedValue::forUnmanaged(argc),
ManagedValue::forUnmanaged(argv),
};
(void) gen.emitApplyOfLibraryIntrinsic(loc, didEnterMain, {}, params,
SGFContext());
}
}
void SILGenModule::useConformance(ProtocolConformanceRef conformanceRef) {
// We don't need to emit dependent conformances.
if (conformanceRef.isAbstract())
@@ -1308,9 +1285,13 @@ public:
sgm.TopLevelSGF->prepareRethrowEpilog(
CleanupLocation::getModuleCleanupLocation());
// Create the argc and argv arguments.
auto PrologueLoc = RegularLocation::getModuleLocation();
PrologueLoc.markAsPrologue();
emitTopLevelProlog(*sgm.TopLevelSGF, PrologueLoc);
auto entry = sgm.TopLevelSGF->B.getInsertionBB();
auto FnTy = sgm.TopLevelSGF->F.getLoweredFunctionType();
entry->createArgument(FnTy->getParameters()[0].getSILType());
entry->createArgument(FnTy->getParameters()[1].getSILType());
scope.emplace(sgm.TopLevelSGF->Cleanups,
CleanupLocation::getModuleCleanupLocation());
@@ -1409,8 +1390,12 @@ public:
// Assign a debug scope pointing into the void to the top level function.
toplevel->setDebugScope(new (sgm.M) SILDebugScope(TopLevelLoc, toplevel));
// Create the argc and argv arguments.
SILGenFunction gen(sgm, *toplevel);
emitTopLevelProlog(gen, mainClass);
auto entry = gen.B.getInsertionBB();
auto FnTy = gen.F.getLoweredFunctionType();
entry->createArgument(FnTy->getParameters()[0].getSILType());
entry->createArgument(FnTy->getParameters()[1].getSILType());
gen.emitArtificialTopLevel(mainClass);
}
}