Rather than having special rules like "intrinsics cannot
throw exceptions", just mark intrinsics with the nounwind
attribute. Likewise, mark intrinsics as readnone/readonly
and get rid of special aliasing logic (which didn't use
anything more than this anyway).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44544 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/IPO/DeadArgumentElimination.cpp b/lib/Transforms/IPO/DeadArgumentElimination.cpp
index a76a43a..446b965 100644
--- a/lib/Transforms/IPO/DeadArgumentElimination.cpp
+++ b/lib/Transforms/IPO/DeadArgumentElimination.cpp
@@ -284,7 +284,7 @@
Liveness RetValLiveness = F.getReturnType() == Type::VoidTy ? Live : Dead;
if (!F.hasInternalLinkage() &&
- (!ShouldHackArguments() || F.getIntrinsicID()))
+ (!ShouldHackArguments() || F.isIntrinsic()))
FunctionIntrinsicallyLive = true;
else
for (Value::use_iterator I = F.use_begin(), E = F.use_end(); I != E; ++I) {