1 ; RUN: opt < %s -basicaa -gvn -instcombine -S | grep {ret i32 0} 2 3 declare i32* @test(i32* nocapture) 4 5 define i32 @test2() { 6 %P = alloca i32 7 %Q = call i32* @test(i32* %P) 8 %a = load i32* %P 9 store i32 4, i32* %Q ;; cannot clobber P since it is nocapture. 10 %b = load i32* %P 11 %c = sub i32 %a, %b 12 ret i32 %c 13 } 14 15
