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; 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 i8*
define void @setjmp_within_catch() personality i8* bitcast (i32 (...)* @__gxx_wasm_personality_v0 to i8*) {
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 [i8* bitcast (i8** @_ZTIi to i8*)]
%2 = call i8* @llvm.wasm.get.exception(token %1)
%3 = call i32 @llvm.wasm.get.ehselector(token %1)
%4 = call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIi to i8*)) #0
%matches = icmp eq i32 %3, %4
br i1 %matches, label %catch, label %rethrow
catch: ; preds = %catch.start
%5 = call i8* @__cxa_begin_catch(i8* %2) #0 [ "funclet"(token %1) ]
%6 = bitcast i8* %5 to i32*
%7 = load i32, i32* %6, align 4
%arraydecay = getelementptr inbounds [1 x %struct.__jmp_buf_tag], [1 x %struct.__jmp_buf_tag]* %buf, i32 0, i32 0
; CHECK: LLVM ERROR: setjmp within a catch clause is not supported in Wasm EH
%call = invoke i32 @setjmp(%struct.__jmp_buf_tag* noundef %arraydecay) #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
%8 = cleanuppad within %1 []
call void @__cxa_end_catch() #0 [ "funclet"(token %8) ]
cleanupret from %8 unwind to caller
}
declare void @foo()
declare i32 @__gxx_wasm_personality_v0(...)
; Function Attrs: nounwind
declare i8* @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(i8*) #0
; Function Attrs: noreturn
declare void @llvm.wasm.rethrow() #1
declare i8* @__cxa_begin_catch(i8*)
; Function Attrs: returns_twice
declare i32 @setjmp(%struct.__jmp_buf_tag* noundef) #2
declare void @__cxa_end_catch()
attributes #0 = { nounwind }
attributes #1 = { noreturn }
attributes #2 = { returns_twice }
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