xref: /aosp_15_r20/external/llvm/test/Analysis/GlobalsModRef/func-memattributes.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -disable-basicaa -globals-aa -dse -S | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker@X = internal global i32 4
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Workerdefine void @test0() {
6*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @test0
7*9880d681SAndroid Build Coastguard Worker; CHECK: store i32 0, i32* @X
8*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: call void @func_readonly() #0
9*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: store i32 1, i32* @X
10*9880d681SAndroid Build Coastguard Worker  store i32 0, i32* @X
11*9880d681SAndroid Build Coastguard Worker  call void @func_readonly() #0
12*9880d681SAndroid Build Coastguard Worker  store i32 1, i32* @X
13*9880d681SAndroid Build Coastguard Worker  ret void
14*9880d681SAndroid Build Coastguard Worker}
15*9880d681SAndroid Build Coastguard Worker
16*9880d681SAndroid Build Coastguard Workerdefine void @test1() {
17*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @test1
18*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: store
19*9880d681SAndroid Build Coastguard Worker; CHECK: call void @func_read_argmem_only() #1
20*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: store i32 3, i32* @X
21*9880d681SAndroid Build Coastguard Worker  store i32 2, i32* @X
22*9880d681SAndroid Build Coastguard Worker  call void @func_read_argmem_only() #1
23*9880d681SAndroid Build Coastguard Worker  store i32 3, i32* @X
24*9880d681SAndroid Build Coastguard Worker  ret void
25*9880d681SAndroid Build Coastguard Worker}
26*9880d681SAndroid Build Coastguard Worker
27*9880d681SAndroid Build Coastguard Workerdeclare void @func_readonly() #0
28*9880d681SAndroid Build Coastguard Workerdeclare void @func_read_argmem_only() #1
29*9880d681SAndroid Build Coastguard Worker
30*9880d681SAndroid Build Coastguard Workerattributes #0 = { readonly }
31*9880d681SAndroid Build Coastguard Workerattributes #1 = { readonly argmemonly }
32