1; RUN: not --crash opt < %s -wasm-lower-em-ehsjlj -wasm-enable-eh -wasm-enable-sjlj -S 2>&1 | FileCheck %s 2 3target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128" 4target triple = "wasm32-unknown-unknown" 5 6%struct.__jmp_buf_tag = type { [6 x i32], i32, [32 x i32] } 7@_ZTIi = external constant ptr 8 9define void @setjmp_within_catch() personality ptr @__gxx_wasm_personality_v0 { 10entry: 11 %buf = alloca [1 x %struct.__jmp_buf_tag], align 16 12 invoke void @foo() 13 to label %try.cont unwind label %catch.dispatch 14 15catch.dispatch: ; preds = %entry 16 %0 = catchswitch within none [label %catch.start] unwind to caller 17 18catch.start: ; preds = %catch.dispatch 19 %1 = catchpad within %0 [ptr @_ZTIi] 20 %2 = call ptr @llvm.wasm.get.exception(token %1) 21 %3 = call i32 @llvm.wasm.get.ehselector(token %1) 22 %4 = call i32 @llvm.eh.typeid.for(ptr @_ZTIi) #0 23 %matches = icmp eq i32 %3, %4 24 br i1 %matches, label %catch, label %rethrow 25 26catch: ; preds = %catch.start 27 %5 = call ptr @__cxa_begin_catch(ptr %2) #0 [ "funclet"(token %1) ] 28 %6 = load i32, ptr %5, align 4 29; CHECK: LLVM ERROR: In function setjmp_within_catch: setjmp within a catch clause is not supported in Wasm EH 30; CHECK-NEXT: %call = invoke i32 @setjmp 31 %call = invoke i32 @setjmp(ptr noundef %buf) #2 [ "funclet"(token %1) ] 32 to label %invoke.cont1 unwind label %ehcleanup 33 34invoke.cont1: ; preds = %catch 35 call void @__cxa_end_catch() #0 [ "funclet"(token %1) ] 36 catchret from %1 to label %try.cont 37 38rethrow: ; preds = %catch.start 39 call void @llvm.wasm.rethrow() #1 [ "funclet"(token %1) ] 40 unreachable 41 42try.cont: ; preds = %entry, %invoke.cont1 43 ret void 44 45ehcleanup: ; preds = %catch 46 %7 = cleanuppad within %1 [] 47 call void @__cxa_end_catch() #0 [ "funclet"(token %7) ] 48 cleanupret from %7 unwind to caller 49} 50 51declare void @foo() 52declare i32 @__gxx_wasm_personality_v0(...) 53; Function Attrs: nounwind 54declare ptr @llvm.wasm.get.exception(token) #0 55; Function Attrs: nounwind 56declare i32 @llvm.wasm.get.ehselector(token) #0 57; Function Attrs: nounwind 58declare i32 @llvm.eh.typeid.for(ptr) #0 59; Function Attrs: noreturn 60declare void @llvm.wasm.rethrow() #1 61declare ptr @__cxa_begin_catch(ptr) 62; Function Attrs: returns_twice 63declare i32 @setjmp(ptr noundef) #2 64declare void @__cxa_end_catch() 65 66attributes #0 = { nounwind } 67attributes #1 = { noreturn } 68attributes #2 = { returns_twice } 69