xref: /llvm-project/llvm/test/ExecutionEngine/OrcLazy/minimal-throw-catch.ll (revision 097718bfe2624bfdbb8a39ffe2113539f7a743ae)
1; REQUIRES: x86_64-apple
2; RUN: lli -jit-kind=orc-lazy %s
3;
4; Basic correctness testing for eh-frame processing and registration.
5
6source_filename = "minimal-throw-catch.cpp"
7target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
8target triple = "x86_64-apple-macosx10.14.0"
9
10@_ZTIi = external constant ptr
11
12declare ptr @__cxa_allocate_exception(i64)
13declare void @__cxa_throw(ptr, ptr, ptr)
14
15declare i32 @__gxx_personality_v0(...)
16declare i32 @llvm.eh.typeid.for(ptr)
17declare ptr @__cxa_begin_catch(ptr)
18declare void @__cxa_end_catch()
19
20define void @explode() {
21entry:
22  %exception = tail call ptr @__cxa_allocate_exception(i64 4)
23  store i32 42, ptr %exception, align 16
24  tail call void @__cxa_throw(ptr %exception, ptr @_ZTIi, ptr null)
25  unreachable
26}
27
28define i32 @main(i32 %argc, ptr %argv) personality ptr @__gxx_personality_v0 {
29entry:
30  invoke void @explode()
31          to label %return unwind label %lpad
32
33lpad:
34  %0 = landingpad { ptr, i32 }
35          catch ptr @_ZTIi
36  %1 = extractvalue { ptr, i32 } %0, 1
37  %2 = tail call i32 @llvm.eh.typeid.for(ptr @_ZTIi)
38  %matches = icmp eq i32 %1, %2
39  br i1 %matches, label %catch, label %eh.resume
40
41catch:
42  %3 = extractvalue { ptr, i32 } %0, 0
43  %4 = tail call ptr @__cxa_begin_catch(ptr %3)
44  %5 = load i32, ptr %4, align 4
45  %cmp = icmp ne i32 %5, 42
46  %cond = zext i1 %cmp to i32
47  tail call void @__cxa_end_catch()
48  br label %return
49
50return:
51  %retval.0 = phi i32 [ %cond, %catch ], [ 2, %entry ]
52  ret i32 %retval.0
53
54eh.resume:
55  resume { ptr, i32 } %0
56}
57