llvm-project/llvm/test/Analysis/CFLAliasAnalysis/const-expr-gep.ll

22 lines
673 B
LLVM

; This testcase consists of alias relations which should be completely
; resolvable by cfl-aa, but require analysis of getelementptr constant exprs.
; Derived from BasicAA/2003-12-11-ConstExprGEP.ll
; RUN: opt < %s -cfl-aa -aa-eval -print-may-aliases -disable-output 2>&1 | FileCheck %s
%T = type { i32, [10 x i8] }
@G = external global %T
; CHECK: Function: test
; CHECK-NOT: May:
define void @test() {
%D = getelementptr %T* @G, i64 0, i32 0
%E = getelementptr %T* @G, i64 0, i32 1, i64 5
%F = getelementptr i32* getelementptr (%T* @G, i64 0, i32 0), i64 0
%X = getelementptr [10 x i8]* getelementptr (%T* @G, i64 0, i32 1), i64 0, i64 5
ret void
}