1 ; RUN: opt < %s -basicaa -gvn -instcombine -S | FileCheck %s 2 3 declare i32* @test(i32* nocapture) 4 5 define i32 @test2() { 6 ; CHECK: ret i32 0 7 %P = alloca i32 8 %Q = call i32* @test(i32* %P) 9 %a = load i32* %P 10 store i32 4, i32* %Q ;; cannot clobber P since it is nocapture. 11 %b = load i32* %P 12 %c = sub i32 %a, %b 13 ret i32 %c 14 } 15 16
