xref: /aosp_15_r20/external/llvm/test/Analysis/BasicAA/2003-12-11-ConstExprGEP.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; This testcase consists of alias relations which should be completely
2*9880d681SAndroid Build Coastguard Worker; resolvable by basicaa, but require analysis of getelementptr constant exprs.
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -basicaa -aa-eval -print-may-aliases -disable-output 2>&1 | FileCheck %s
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Worker%T = type { i32, [10 x i8] }
9*9880d681SAndroid Build Coastguard Worker
10*9880d681SAndroid Build Coastguard Worker@G = external global %T
11*9880d681SAndroid Build Coastguard Worker
12*9880d681SAndroid Build Coastguard Worker; CHECK:     Function: test
13*9880d681SAndroid Build Coastguard Worker; CHECK-NOT:   MayAlias:
14*9880d681SAndroid Build Coastguard Worker
15*9880d681SAndroid Build Coastguard Workerdefine void @test() {
16*9880d681SAndroid Build Coastguard Worker  %D = getelementptr %T, %T* @G, i64 0, i32 0
17*9880d681SAndroid Build Coastguard Worker  %E = getelementptr %T, %T* @G, i64 0, i32 1, i64 5
18*9880d681SAndroid Build Coastguard Worker  %F = getelementptr i32, i32* getelementptr (%T, %T* @G, i64 0, i32 0), i64 0
19*9880d681SAndroid Build Coastguard Worker  %X = getelementptr [10 x i8], [10 x i8]* getelementptr (%T, %T* @G, i64 0, i32 1), i64 0, i64 5
20*9880d681SAndroid Build Coastguard Worker
21*9880d681SAndroid Build Coastguard Worker  ret void
22*9880d681SAndroid Build Coastguard Worker}
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