xref: /aosp_15_r20/external/llvm/test/Transforms/SCCP/retvalue-undef.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt -ipsccp -S < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; PR6414
3*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
4*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64-unknown-linux-gnu"
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Workerdefine internal i32 ()* @f() {
7*9880d681SAndroid Build Coastguard Worker  ret i32 ()* @g
8*9880d681SAndroid Build Coastguard Worker}
9*9880d681SAndroid Build Coastguard Worker
10*9880d681SAndroid Build Coastguard Workerdefine internal i32 @g() {
11*9880d681SAndroid Build Coastguard Worker  ret i32 8
12*9880d681SAndroid Build Coastguard Worker}
13*9880d681SAndroid Build Coastguard Worker
14*9880d681SAndroid Build Coastguard Worker; CHECK: internal i32 @g()
15*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ret i32 8
16*9880d681SAndroid Build Coastguard Worker
17*9880d681SAndroid Build Coastguard Workerdefine internal void @outer_mod() {
18*9880d681SAndroid Build Coastguard Worker  %1 = call i32 ()* () @f()                      ; <i32 ()*> [#uses=1]
19*9880d681SAndroid Build Coastguard Worker  %2 = call i32 %1()                              ; <i32> [#uses=0]
20*9880d681SAndroid Build Coastguard Worker  ret void
21*9880d681SAndroid Build Coastguard Worker}
22*9880d681SAndroid Build Coastguard Worker
23*9880d681SAndroid Build Coastguard Workerdefine internal void @module_init() {
24*9880d681SAndroid Build Coastguard Worker  call void @register_outer_mod(void ()* @outer_mod)
25*9880d681SAndroid Build Coastguard Worker  ret void
26*9880d681SAndroid Build Coastguard Worker}
27*9880d681SAndroid Build Coastguard Worker
28*9880d681SAndroid Build Coastguard Workerdeclare void @register_outer_mod(void ()*)
29*9880d681SAndroid Build Coastguard Worker
30*9880d681SAndroid Build Coastguard Workerdefine i32 @main() {
31*9880d681SAndroid Build Coastguard Worker  ret i32 0
32*9880d681SAndroid Build Coastguard Worker}
33