aha, DAE does have to think about PHI nodes. Many thanks to "Dr Evil" (aka Duncan)

for pointing this out :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67212 91177308-0d34-0410-b5e6-96231b3b80d8

test/Transforms/DeadArgElim/2009-03-17-MRE-Invoke.ll

@@ -13,3 +13,14 @@ T:
 T2:
   unreachable
 }
+
+define i32 @bar2() {
+entry:
+  %x = invoke {i32,i32} @foo() to label %T unwind label %T2
+T:
+  %PN = phi i32 [0, %entry]
+  %y = extractvalue {i32,i32} %x, 1
+  ret i32 %y
+T2:
+  unreachable
+}