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-rw-r--r--test/ExecutionEngine/test-phi.ll35
1 files changed, 35 insertions, 0 deletions
diff --git a/test/ExecutionEngine/test-phi.ll b/test/ExecutionEngine/test-phi.ll
new file mode 100644
index 000000000000..69d1b0866f8a
--- /dev/null
+++ b/test/ExecutionEngine/test-phi.ll
@@ -0,0 +1,35 @@
+; RUN: llvm-as %s -f -o %t.bc
+; RUN: lli %t.bc > /dev/null
+
+; test phi node
+@Y = global i32 6 ; <i32*> [#uses=1]
+
+define void @blah(i32* %X) {
+; <label>:0
+ br label %T
+T: ; preds = %Dead, %0
+ phi i32* [ %X, %0 ], [ @Y, %Dead ] ; <i32*>:1 [#uses=0]
+ ret void
+Dead: ; No predecessors!
+ br label %T
+}
+
+define i32 @test(i1 %C) {
+; <label>:0
+ br i1 %C, label %T, label %T
+T: ; preds = %0, %0
+ %X = phi i32 [ 123, %0 ], [ 123, %0 ] ; <i32> [#uses=1]
+ ret i32 %X
+}
+
+define i32 @main() {
+; <label>:0
+ br label %Test
+Test: ; preds = %Dead, %0
+ %X = phi i32 [ 0, %0 ], [ %Y, %Dead ] ; <i32> [#uses=1]
+ ret i32 %X
+Dead: ; No predecessors!
+ %Y = ashr i32 12, 4 ; <i32> [#uses=1]
+ br label %Test
+}
+