Heuristic: If the number of operands in the alias are more than the number of

[llvm/stm8.git] / test / Analysis / BasicAA / 2003-09-19-LocalArgument.ll

; In this test, a local alloca cannot alias an incoming argument.

; RUN: opt < %s -basicaa -gvn -instcombine -S | not grep sub

define i32 @test(i32* %P) {
        %X = alloca i32
        %V1 = load i32* %P
        store i32 0, i32* %X
        %V2 = load i32* %P
        %Diff = sub i32 %V1, %V2
        ret i32 %Diff
}