1; In this test, a local alloca cannot alias an incoming argument. 2 3; RUN: opt < %s -aa-pipeline=basic-aa -passes=gvn,instcombine -S | FileCheck %s 4 5; CHECK: define i32 @test 6; CHECK-NEXT: ret i32 0 7 8define i32 @test(ptr %P) { 9 %X = alloca i32 10 %V1 = load i32, ptr %P 11 store i32 0, ptr %X 12 %V2 = load i32, ptr %P 13 %Diff = sub i32 %V1, %V2 14 ret i32 %Diff 15} 16