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-rw-r--r--test/Transforms/GlobalOpt/storepointer-compare.llx28
1 files changed, 28 insertions, 0 deletions
diff --git a/test/Transforms/GlobalOpt/storepointer-compare.llx b/test/Transforms/GlobalOpt/storepointer-compare.llx
new file mode 100644
index 0000000000..a6e8ea3d2e
--- /dev/null
+++ b/test/Transforms/GlobalOpt/storepointer-compare.llx
@@ -0,0 +1,28 @@
+; RUN: llvm-as < %s | opt -globalopt | llvm-dis | 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
+
+implementation
+
+internal void %Actual() {
+ ret void
+}
+
+void %init() {
+ store void()* %Actual, void()** %G
+ ret void
+}
+
+void %doit() {
+ %FP = load void()** %G
+ %CC = seteq void()* %FP, null
+ br bool %CC, label %isNull, label %DoCall
+DoCall:
+ call void %FP()
+ ret void
+isNull:
+ ret void
+}