llvm-6502/test/Analysis/CFLAliasAnalysis/multilevel.ll
David Blaikie 7c9c6ed761 [opaque pointer type] Add textual IR support for explicit type parameter to load instruction
Essentially the same as the GEP change in r230786.

A similar migration script can be used to update test cases, though a few more
test case improvements/changes were required this time around: (r229269-r229278)

import fileinput
import sys
import re

pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)")

for line in sys.stdin:
  sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line))

Reviewers: rafael, dexonsmith, grosser

Differential Revision: http://reviews.llvm.org/D7649

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230794 91177308-0d34-0410-b5e6-96231b3b80d8
2015-02-27 21:17:42 +00:00

31 lines
688 B
LLVM

; This testcase ensures that CFL AA handles trivial cases with storing
; pointers in pointers appropriately.
; Derived from:
; char a, b;
; char *m = &a, *n = &b;
; *m;
; *n;
; RUN: opt < %s -cfl-aa -aa-eval -print-may-aliases -disable-output 2>&1 | FileCheck %s
%T = type { i32, [10 x i8] }
; CHECK: Function: test
define void @test() {
; CHECK: 15 Total Alias Queries Performed
; CHECK: 13 no alias responses
%M = alloca %T*, align 8
%N = alloca %T*, align 8
%A = alloca %T, align 8
%B = alloca %T, align 8
store %T* %A, %T** %M
store %T* %B, %T** %N
%AP = load %T*, %T** %M ; PartialAlias with %A
%BP = load %T*, %T** %N ; PartialAlias with %B
ret void
}