1 files changed, 30 insertions, 0 deletions
diff --git a/test/Transforms/GlobalOpt/storepointer-compare.ll b/test/Transforms/GlobalOpt/storepointer-compare.ll
new file mode 100644
index 0000000..86eff51
--- /dev/null
+++ b/test/Transforms/GlobalOpt/storepointer-compare.ll
@@ -0,0 +1,30 @@
+; RUN: llvm-as < %s | opt -globalopt | llvm-dis | \
+; RUN:   grep {call void @Actual}
+
+; Check that a comparison does not prevent an indirect call from being made 
+; direct.  The global will still remain, but indirect call elim is still good.
+
+@G = internal global void ()* null              ; <void ()**> [#uses=2]
+
+define internal void @Actual() {
+        ret void
+}
+
+define void @init() {
+        store void ()* @Actual, void ()** @G
+        ret void
+}
+
+define void @doit() {
+        %FP = load void ()** @G         ; <void ()*> [#uses=2]
+        %CC = icmp eq void ()* %FP, null                ; <i1> [#uses=1]
+        br i1 %CC, label %isNull, label %DoCall
+
+DoCall:         ; preds = %0
+        call void %FP( )
+        ret void
+
+isNull:         ; preds = %0
+        ret void
+}
+