File: struct.ll

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (17 lines) | stat: -rw-r--r-- 621 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
 
; Ensures that our struct ops are sane.

; RUN: opt < %s -aa-pipeline=cfl-anders-aa -passes=aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s

; Since we ignore non-pointer values, we effectively ignore extractvalue
; instructions. This means that %c "doesn't exist" in test_structure's graph,
; so we currently get MayAlias.
; XFAIL: *

; CHECK-LABEL: Function: test_structure
; CHECK: NoAlias: i64** %c, { i64**, i64** }* %a
define void @test_structure() {
  %a = alloca {i64**, i64**}, align 8
  %b = load {i64**, i64**}, {i64**, i64**}* %a
  %c = extractvalue {i64**, i64**} %b, 0
  ret void
}