File: pr31761.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 (20 lines) | stat: -rw-r--r-- 593 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
 
; 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:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.12.0"

%struct.blam = type { i32, i32 }


; CHECK-DAG: MayAlias: i32* %arg, i32* %tmp3

define i1 @ham(ptr %arg)  {
  %isNull = icmp eq ptr %arg, null
  %tmp2 = getelementptr  %struct.blam, ptr %arg, i64 0, i32 1
  %select = select i1 %isNull, ptr null, ptr %tmp2
  %tmp3 = getelementptr  i32, ptr %select, i32 -1
  load i32, ptr %arg
  load i32, ptr %tmp3
  ret i1 true
}