Imported Upstream version 5.18.0.246

Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833

external/llvm/test/ExecutionEngine/MCJIT/test-phi.ll

@@ -0,0 +1,34 @@
+; RUN: %lli %s > /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
+}
+