test/Analysis/BasicAA/nocapture.ll

; RUN: llvm-as < %s | opt -basicaa -gvn -instcombine | llvm-dis | grep {ret i32 0}

declare i32* @test(i32* nocapture)

define i32 @test2() {
	%P = alloca i32
	%Q = call i32* @test(i32* %P)
	%a = load i32* %P
	store i32 4, i32* %Q   ;; cannot clobber P since it is nocapture.
	%b = load i32* %P
	%c = sub i32 %a, %b
	ret i32 %c
}