1; RUN: llc < %s -enable-emscripten-cxx-exceptions | FileCheck %s --check-prefix=EH
2; RUN: llc < %s -enable-emscripten-sjlj | FileCheck %s --check-prefix=SJLJ
3; RUN: llc < %s | FileCheck %s --check-prefix=NONE
4
5target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
6target triple = "wasm32-unknown-unknown"
7
8%struct.__jmp_buf_tag = type { [6 x i32], i32, [32 x i32] }
9
10define hidden void @exception() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
11; EH-LABEL:   type exception,@function
12; NONE-LABEL: type exception,@function
13entry:
14  invoke void @foo()
15          to label %try.cont unwind label %lpad
16; EH:   call __invoke_void
17; NONE: call foo
18
19lpad:                                             ; preds = %entry
20  %0 = landingpad { i8*, i32 }
21          catch i8* null
22  %1 = extractvalue { i8*, i32 } %0, 0
23  %2 = extractvalue { i8*, i32 } %0, 1
24  %3 = call i8* @__cxa_begin_catch(i8* %1) #2
25  call void @__cxa_end_catch()
26  br label %try.cont
27
28try.cont:                                         ; preds = %entry, %lpad
29  ret void
30}
31
32define hidden void @setjmp_longjmp() {
33; SJLJ-LABEL: type setjmp_longjmp,@function
34; NONE-LABEL: type setjmp_longjmp,@function
35entry:
36  %buf = alloca [1 x %struct.__jmp_buf_tag], align 16
37  %arraydecay = getelementptr inbounds [1 x %struct.__jmp_buf_tag], [1 x %struct.__jmp_buf_tag]* %buf, i32 0, i32 0
38  %call = call i32 @setjmp(%struct.__jmp_buf_tag* %arraydecay) #0
39  %arraydecay1 = getelementptr inbounds [1 x %struct.__jmp_buf_tag], [1 x %struct.__jmp_buf_tag]* %buf, i32 0, i32 0
40  call void @longjmp(%struct.__jmp_buf_tag* %arraydecay1, i32 1) #1
41  unreachable
42; SJLJ: call saveSetjmp
43; SJLJ: call testSetjmp
44; NONE: call setjmp
45; NONE: call longjmp
46}
47
48declare void @foo()
49declare i32 @__gxx_personality_v0(...)
50declare i8* @__cxa_begin_catch(i8*)
51declare void @__cxa_end_catch()
52; Function Attrs: returns_twice
53declare i32 @setjmp(%struct.__jmp_buf_tag*) #0
54; Function Attrs: noreturn
55declare void @longjmp(%struct.__jmp_buf_tag*, i32) #1
56declare i8* @malloc(i32)
57declare void @free(i8*)
58
59attributes #0 = { returns_twice }
60attributes #1 = { noreturn }
61attributes #2 = { nounwind }
62