xref: /aosp_15_r20/external/llvm/test/Transforms/IPConstantProp/comdat-ipo.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -ipconstprop -S | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker; See PR26774
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Workerdefine i32 @baz() {
6*9880d681SAndroid Build Coastguard Worker  ret i32 10
7*9880d681SAndroid Build Coastguard Worker}
8*9880d681SAndroid Build Coastguard Worker
9*9880d681SAndroid Build Coastguard Worker; We can const-prop @baz's return value *into* @foo, but cannot
10*9880d681SAndroid Build Coastguard Worker; constprop @foo's return value into bar.
11*9880d681SAndroid Build Coastguard Worker
12*9880d681SAndroid Build Coastguard Workerdefine linkonce_odr i32 @foo() {
13*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @foo(
14*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT:  %val = call i32 @baz()
15*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT:  ret i32 10
16*9880d681SAndroid Build Coastguard Worker
17*9880d681SAndroid Build Coastguard Worker  %val = call i32 @baz()
18*9880d681SAndroid Build Coastguard Worker  ret i32 %val
19*9880d681SAndroid Build Coastguard Worker}
20*9880d681SAndroid Build Coastguard Worker
21*9880d681SAndroid Build Coastguard Workerdefine i32 @bar() {
22*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @bar(
23*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT:  %val = call i32 @foo()
24*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT:  ret i32 %val
25*9880d681SAndroid Build Coastguard Worker
26*9880d681SAndroid Build Coastguard Worker  %val = call i32 @foo()
27*9880d681SAndroid Build Coastguard Worker  ret i32 %val
28*9880d681SAndroid Build Coastguard Worker}
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