| ; RUN: opt < %s -function-attrs -S | FileCheck %s |
| ; RUN: opt < %s -passes=function-attrs -S | FileCheck %s |
| |
| ; CHECK: define i32* @a(i32** nocapture readonly %p) |
| define i32* @a(i32** %p) { |
| %tmp = load i32*, i32** %p |
| ret i32* %tmp |
| } |
| |
| ; CHECK: define i32* @b(i32* %q) |
| define i32* @b(i32 *%q) { |
| %mem = alloca i32* |
| store i32* %q, i32** %mem |
| %tmp = call i32* @a(i32** %mem) |
| ret i32* %tmp |
| } |
| |
| ; CHECK: define i32* @c(i32* readnone returned %r) |
| @g = global i32 0 |
| define i32* @c(i32 *%r) { |
| %a = icmp eq i32* %r, null |
| store i32 1, i32* @g |
| ret i32* %r |
| } |
