File: 2007-08-01-NoAliasAndGEP.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (22 lines) | stat: -rw-r--r-- 726 bytes parent folder | download | duplicates (14)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
; RUN: opt < %s -aa-pipeline=basic-aa -passes=aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s

target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"

; CHECK: Function: foo
; CHECK:   MayAlias: i32* %Ipointer, i32* %Jpointer
; CHECK: 9 no alias responses
; CHECK: 6 may alias responses

define void @foo(ptr noalias %p, ptr noalias %q, i32 %i, i32 %j) {
  %Ipointer = getelementptr i32, ptr %p, i32 %i
  %qi = getelementptr i32, ptr %q, i32 %i
  %Jpointer = getelementptr i32, ptr %p, i32 %j
  %qj = getelementptr i32, ptr %q, i32 %j
  store i32 0, ptr %p
  store i32 0, ptr %Ipointer
  store i32 0, ptr %Jpointer
  store i32 0, ptr %q
  store i32 0, ptr %qi
  store i32 0, ptr %qj
  ret void
}