1; In this test, a local alloca cannot alias an incoming argument.
2
3; RUN: opt < %s -basicaa -gvn -instcombine -S | not grep sub
4
5define i32 @test(i32* %P) {
6 %X = alloca i32
7 %V1 = load i32* %P
8 store i32 0, i32* %X
9 %V2 = load i32* %P
10 %Diff = sub i32 %V1, %V2
11 ret i32 %Diff
12}
13