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      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 
      5 target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
      6 target triple = "wasm32-unknown-unknown"
      7 
      8 %struct.__jmp_buf_tag = type { [6 x i32], i32, [32 x i32] }
      9 
     10 define hidden void @exception() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
     11 ; EH-LABEL:   type exception,@function
     12 ; NONE-LABEL: type exception,@function
     13 entry:
     14   invoke void @foo()
     15           to label %try.cont unwind label %lpad
     16 ; EH:   call __invoke_void@FUNCTION
     17 ; NONE: call foo@FUNCTION
     18 
     19 lpad:                                             ; 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 
     28 try.cont:                                         ; preds = %entry, %lpad
     29   ret void
     30 }
     31 
     32 define hidden void @setjmp_longjmp() {
     33 ; SJLJ-LABEL: type setjmp_longjmp,@function
     34 ; NONE-LABEL: type setjmp_longjmp,@function
     35 entry:
     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: i32.call ${{[a-zA-Z0-9]+}}=, saveSetjmp@FUNCTION
     43 ; SJLJ: i32.call ${{[a-zA-Z0-9]+}}=, testSetjmp@FUNCTION
     44 ; NONE: i32.call ${{[a-zA-Z0-9]+}}=, setjmp@FUNCTION
     45 ; NONE: call longjmp@FUNCTION
     46 }
     47 
     48 declare void @foo()
     49 declare i32 @__gxx_personality_v0(...)
     50 declare i8* @__cxa_begin_catch(i8*)
     51 declare void @__cxa_end_catch()
     52 ; Function Attrs: returns_twice
     53 declare i32 @setjmp(%struct.__jmp_buf_tag*) #0
     54 ; Function Attrs: noreturn
     55 declare void @longjmp(%struct.__jmp_buf_tag*, i32) #1
     56 declare i8* @malloc(i32)
     57 declare void @free(i8*)
     58 
     59 attributes #0 = { returns_twice }
     60 attributes #1 = { noreturn }
     61 attributes #2 = { nounwind }
     62