diff --git a/test/Transforms/ADCE/2003-06-24-BasicFunctionality.ll b/test/Transforms/ADCE/2003-06-24-BasicFunctionality.ll new file mode 100644 index 00000000000..453723b1258 --- /dev/null +++ b/test/Transforms/ADCE/2003-06-24-BasicFunctionality.ll @@ -0,0 +1,43 @@ +; RUN: if as < %s | opt -adce -simplifycfg | dis | grep then: +; RUN: then exit 1 +; RUN: else exit 0 +; RUN: fi + +void %dead_test8(int* %data.1, int %idx.1) { +entry: ; No predecessors! + %tmp.1 = load int* %data.1 ; [#uses=2] + %tmp.41 = setgt int %tmp.1, 0 ; [#uses=1] + br bool %tmp.41, label %no_exit.preheader, label %return + +no_exit.preheader: ; preds = %entry + %tmp.11 = getelementptr int* %data.1, long 1 ; [#uses=1] + %tmp.22-idxcast = cast int %idx.1 to long ; [#uses=1] + %tmp.28 = getelementptr int* %data.1, long %tmp.22-idxcast ; [#uses=1] + br label %no_exit + +no_exit: ; preds = %no_exit.preheader, %endif + %k.1 = phi int [ %k.0, %endif ], [ 0, %no_exit.preheader ] ; [#uses=3] + %i.0 = phi int [ %inc.1, %endif ], [ 0, %no_exit.preheader ] ; [#uses=1] + %tmp.12 = load int* %tmp.11 ; [#uses=1] + %tmp.14 = sub int 0, %tmp.12 ; [#uses=1] + %tmp.161 = setne int %k.1, %tmp.14 ; [#uses=1] + br bool %tmp.161, label %then, label %else + +then: ; preds = %no_exit + %inc.0 = add int %k.1, 1 ; [#uses=1] + br label %endif + +else: ; preds = %no_exit + %dec = add int %k.1, -1 ; [#uses=1] + br label %endif + +endif: ; preds = %else, %then + %k.0 = phi int [ %dec, %else ], [ %inc.0, %then ] ; [#uses=1] + store int 2, int* %tmp.28 + %inc.1 = add int %i.0, 1 ; [#uses=2] + %tmp.4 = setlt int %inc.1, %tmp.1 ; [#uses=1] + br bool %tmp.4, label %no_exit, label %return + +return: ; preds = %entry, %endif + ret void +}