Fix PR1735 and Transforms/DeadArgElim/2007-10-18-VarargsReturn.ll by
fixing some obviously broken code :(
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43141 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/IPO/DeadArgumentElimination.cpp b/lib/Transforms/IPO/DeadArgumentElimination.cpp
index dd5d668..8dd0925 100644
--- a/lib/Transforms/IPO/DeadArgumentElimination.cpp
+++ b/lib/Transforms/IPO/DeadArgumentElimination.cpp
@@ -168,7 +168,7 @@
CallSite CS = CallSite::get(Fn.use_back());
Instruction *Call = CS.getInstruction();
- // Loop over the operands, dropping extraneous ones at the end of the list.
+ // Pass all the same arguments.
Args.assign(CS.arg_begin(), CS.arg_begin()+NumArgs);
Instruction *New;
@@ -185,13 +185,13 @@
Args.clear();
if (!Call->use_empty())
- Call->replaceAllUsesWith(Constant::getNullValue(Call->getType()));
+ Call->replaceAllUsesWith(New);
New->takeName(Call);
// Finally, remove the old call from the program, reducing the use-count of
// F.
- Call->getParent()->getInstList().erase(Call);
+ Call->eraseFromParent();
}
// Since we have now created the new function, splice the body of the old