| ; RUN: not --crash opt < %s -wasm-lower-em-ehsjlj -wasm-enable-eh -wasm-enable-sjlj -S 2>&1 | FileCheck %s |
| |
| target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128" |
| target triple = "wasm32-unknown-unknown" |
| |
| %struct.__jmp_buf_tag = type { [6 x i32], i32, [32 x i32] } |
| @_ZTIi = external constant ptr |
| |
| define void @setjmp_within_catch() personality ptr @__gxx_wasm_personality_v0 { |
| entry: |
| %buf = alloca [1 x %struct.__jmp_buf_tag], align 16 |
| invoke void @foo() |
| to label %try.cont unwind label %catch.dispatch |
| |
| catch.dispatch: ; preds = %entry |
| %0 = catchswitch within none [label %catch.start] unwind to caller |
| |
| catch.start: ; preds = %catch.dispatch |
| %1 = catchpad within %0 [ptr @_ZTIi] |
| %2 = call ptr @llvm.wasm.get.exception(token %1) |
| %3 = call i32 @llvm.wasm.get.ehselector(token %1) |
| %4 = call i32 @llvm.eh.typeid.for(ptr @_ZTIi) #0 |
| %matches = icmp eq i32 %3, %4 |
| br i1 %matches, label %catch, label %rethrow |
| |
| catch: ; preds = %catch.start |
| %5 = call ptr @__cxa_begin_catch(ptr %2) #0 [ "funclet"(token %1) ] |
| %6 = load i32, ptr %5, align 4 |
| ; CHECK: LLVM ERROR: In function setjmp_within_catch: setjmp within a catch clause is not supported in Wasm EH |
| ; CHECK-NEXT: %call = invoke i32 @setjmp |
| %call = invoke i32 @setjmp(ptr noundef %buf) #2 [ "funclet"(token %1) ] |
| to label %invoke.cont1 unwind label %ehcleanup |
| |
| invoke.cont1: ; preds = %catch |
| call void @__cxa_end_catch() #0 [ "funclet"(token %1) ] |
| catchret from %1 to label %try.cont |
| |
| rethrow: ; preds = %catch.start |
| call void @llvm.wasm.rethrow() #1 [ "funclet"(token %1) ] |
| unreachable |
| |
| try.cont: ; preds = %entry, %invoke.cont1 |
| ret void |
| |
| ehcleanup: ; preds = %catch |
| %7 = cleanuppad within %1 [] |
| call void @__cxa_end_catch() #0 [ "funclet"(token %7) ] |
| cleanupret from %7 unwind to caller |
| } |
| |
| declare void @foo() |
| declare i32 @__gxx_wasm_personality_v0(...) |
| ; Function Attrs: nounwind |
| declare ptr @llvm.wasm.get.exception(token) #0 |
| ; Function Attrs: nounwind |
| declare i32 @llvm.wasm.get.ehselector(token) #0 |
| ; Function Attrs: nounwind |
| declare i32 @llvm.eh.typeid.for(ptr) #0 |
| ; Function Attrs: noreturn |
| declare void @llvm.wasm.rethrow() #1 |
| declare ptr @__cxa_begin_catch(ptr) |
| ; Function Attrs: returns_twice |
| declare i32 @setjmp(ptr noundef) #2 |
| declare void @__cxa_end_catch() |
| |
| attributes #0 = { nounwind } |
| attributes #1 = { noreturn } |
| attributes #2 = { returns_twice } |