xref: /aosp_15_r20/external/llvm/test/Transforms/SimplifyCFG/seh-nounwind.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt -S -simplifycfg < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker; Don't remove invokes of nounwind functions if the personality handles async
4*9880d681SAndroid Build Coastguard Worker; exceptions. The @div function in this test can fault, even though it can't
5*9880d681SAndroid Build Coastguard Worker; throw a synchronous exception.
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Workerdefine i32 @div(i32 %n, i32 %d) nounwind {
8*9880d681SAndroid Build Coastguard Workerentry:
9*9880d681SAndroid Build Coastguard Worker  %div = sdiv i32 %n, %d
10*9880d681SAndroid Build Coastguard Worker  ret i32 %div
11*9880d681SAndroid Build Coastguard Worker}
12*9880d681SAndroid Build Coastguard Worker
13*9880d681SAndroid Build Coastguard Workerdefine i32 @main() nounwind personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*) {
14*9880d681SAndroid Build Coastguard Workerentry:
15*9880d681SAndroid Build Coastguard Worker  %call = invoke i32 @div(i32 10, i32 0)
16*9880d681SAndroid Build Coastguard Worker          to label %__try.cont unwind label %lpad
17*9880d681SAndroid Build Coastguard Worker
18*9880d681SAndroid Build Coastguard Workerlpad:
19*9880d681SAndroid Build Coastguard Worker  %0 = landingpad { i8*, i32 }
20*9880d681SAndroid Build Coastguard Worker          catch i8* null
21*9880d681SAndroid Build Coastguard Worker  br label %__try.cont
22*9880d681SAndroid Build Coastguard Worker
23*9880d681SAndroid Build Coastguard Worker__try.cont:
24*9880d681SAndroid Build Coastguard Worker  %retval.0 = phi i32 [ %call, %entry ], [ 0, %lpad ]
25*9880d681SAndroid Build Coastguard Worker  ret i32 %retval.0
26*9880d681SAndroid Build Coastguard Worker}
27*9880d681SAndroid Build Coastguard Worker
28*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: define i32 @main()
29*9880d681SAndroid Build Coastguard Worker; CHECK: invoke i32 @div(i32 10, i32 0)
30*9880d681SAndroid Build Coastguard Worker
31*9880d681SAndroid Build Coastguard Workerdeclare i32 @__C_specific_handler(...)
32