Arthur Eubanks | 2ca6c42 | 2020-07-28 09:08:08 -0700 | [diff] [blame] | 1 | ; RUN: opt < %s -function-attrs -S | FileCheck %s |
Eric Christopher | cee313d | 2019-04-17 04:52:47 +0000 | [diff] [blame] | 2 | ; RUN: opt < %s -passes=function-attrs -S | FileCheck %s |
| 3 | |
| 4 | ; CHECK: define i32* @a(i32** nocapture readonly %p) |
| 5 | define i32* @a(i32** %p) { |
| 6 | %tmp = load i32*, i32** %p |
| 7 | ret i32* %tmp |
| 8 | } |
| 9 | |
| 10 | ; CHECK: define i32* @b(i32* %q) |
| 11 | define i32* @b(i32 *%q) { |
| 12 | %mem = alloca i32* |
| 13 | store i32* %q, i32** %mem |
| 14 | %tmp = call i32* @a(i32** %mem) |
| 15 | ret i32* %tmp |
| 16 | } |
| 17 | |
| 18 | ; CHECK: define i32* @c(i32* readnone returned %r) |
| 19 | @g = global i32 0 |
| 20 | define i32* @c(i32 *%r) { |
| 21 | %a = icmp eq i32* %r, null |
| 22 | store i32 1, i32* @g |
| 23 | ret i32* %r |
| 24 | } |