noalias-param.ll
570 Bytes
; RUN: opt < %s -basic-aa -aa-eval -print-all-alias-modref-info 2>&1 | FileCheck %s
declare i32* @captures(i32* %cap) nounwind readonly
define void @no(i32* noalias %a, i32* %b) nounwind {
entry:
store i32 1, i32* %a
%cap = call i32* @captures(i32* %a) nounwind readonly
%l = load i32, i32* %b
ret void
}
; CHECK: NoAlias: i32* %a, i32* %b
define void @yes(i32* %c, i32* %d) nounwind {
entry:
store i32 1, i32* %c
%cap = call i32* @captures(i32* %c) nounwind readonly
%l = load i32, i32* %d
ret void
}
; CHECK: MayAlias: i32* %c, i32* %d