Teach globalopt how to evaluate an invoke with a non-void return type.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152634 91177308-0d34-0410-b5e6-96231b3b80d8

test/Transforms/GlobalOpt/invoke.ll

@@ -0,0 +1,27 @@
+; RUN: opt -S -globalopt < %s | FileCheck %s
+; rdar://11022897
+
+; Globalopt should be able to evaluate an invoke.
+; CHECK: @tmp = global i32 1
+
+@llvm.global_ctors = appending global [1 x { i32, void ()* }] [{ i32, void ()* } { i32 65535, void ()* @_GLOBAL__I_a }]
+@tmp = global i32 0
+
+define i32 @one() {
+  ret i32 1
+}
+
+define void @_GLOBAL__I_a() {
+bb:
+  %tmp1 = invoke i32 @one()
+          to label %bb2 unwind label %bb4
+
+bb2:                                              ; preds = %bb
+  store i32 %tmp1, i32* @tmp
+  ret void
+
+bb4:                                              ; preds = %bb
+  %tmp5 = landingpad { i8*, i32 } personality i8* undef
+          filter [0 x i8*] zeroinitializer
+  unreachable
+}