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llvm-mirror/test/Regression/Transforms/ADCE/2003-06-24-BasicFunctionality.ll

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; RUN: llvm-as < %s | opt -adce -simplifycfg | llvm-dis | not grep then:
void %dead_test8(int* %data.1, int %idx.1) {
entry: ; No predecessors!
%tmp.1 = load int* %data.1 ; <int> [#uses=2]
%tmp.41 = setgt int %tmp.1, 0 ; <bool> [#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 ; <int*> [#uses=1]
%tmp.22-idxcast = cast int %idx.1 to long ; <long> [#uses=1]
%tmp.28 = getelementptr int* %data.1, long %tmp.22-idxcast ; <int*> [#uses=1]
br label %no_exit
no_exit: ; preds = %no_exit.preheader, %endif
%k.1 = phi int [ %k.0, %endif ], [ 0, %no_exit.preheader ] ; <int> [#uses=3]
%i.0 = phi int [ %inc.1, %endif ], [ 0, %no_exit.preheader ] ; <int> [#uses=1]
%tmp.12 = load int* %tmp.11 ; <int> [#uses=1]
%tmp.14 = sub int 0, %tmp.12 ; <int> [#uses=1]
%tmp.161 = setne int %k.1, %tmp.14 ; <bool> [#uses=1]
br bool %tmp.161, label %then, label %else
then: ; preds = %no_exit
%inc.0 = add int %k.1, 1 ; <int> [#uses=1]
br label %endif
else: ; preds = %no_exit
%dec = add int %k.1, -1 ; <int> [#uses=1]
br label %endif
endif: ; preds = %else, %then
%k.0 = phi int [ %dec, %else ], [ %inc.0, %then ] ; <int> [#uses=1]
store int 2, int* %tmp.28
%inc.1 = add int %i.0, 1 ; <int> [#uses=2]
%tmp.4 = setlt int %inc.1, %tmp.1 ; <bool> [#uses=1]
br bool %tmp.4, label %no_exit, label %return
return: ; preds = %entry, %endif
ret void
}