; RUN: not --crash llc < %s -enable-emscripten-cxx-exceptions -mattr=+multivalue 2>&1 | FileCheck %s --check-prefix=EH ; RUN: not --crash llc < %s -enable-emscripten-sjlj -mattr=+multivalue 2>&1 | FileCheck %s --check-prefix=SJLJ ; Currently multivalue returning functions are not supported in Emscripten EH / ; SjLj. Make sure they error out. target triple = "wasm32-unknown-unknown" %struct.__jmp_buf_tag = type { [6 x i32], i32, [32 x i32] } define void @exception() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) { entry: invoke {i32, i32} @foo(i32 3) to label %try.cont unwind label %lpad lpad: ; preds = %entry %1 = landingpad { i8*, i32 } catch i8* null %2 = extractvalue { i8*, i32 } %1, 0 %3 = extractvalue { i8*, i32 } %1, 1 %4 = call i8* @__cxa_begin_catch(i8* %2) #2 call void @__cxa_end_catch() br label %try.cont try.cont: ; preds = %entry, %lpad ret void } define void @setjmp_longjmp() { entry: %buf = alloca [1 x %struct.__jmp_buf_tag], align 16 %arraydecay = getelementptr inbounds [1 x %struct.__jmp_buf_tag], [1 x %struct.__jmp_buf_tag]* %buf, i32 0, i32 0 %call = call i32 @setjmp(%struct.__jmp_buf_tag* %arraydecay) #0 %arraydecay1 = getelementptr inbounds [1 x %struct.__jmp_buf_tag], [1 x %struct.__jmp_buf_tag]* %buf, i32 0, i32 0 call {i32, i32} @foo(i32 3) call void @longjmp(%struct.__jmp_buf_tag* %arraydecay1, i32 1) #1 unreachable } declare {i32, i32} @foo(i32) declare i32 @__gxx_personality_v0(...) declare i8* @__cxa_begin_catch(i8*) declare void @__cxa_end_catch() ; Function Attrs: returns_twice declare i32 @setjmp(%struct.__jmp_buf_tag*) #0 ; Function Attrs: noreturn declare void @longjmp(%struct.__jmp_buf_tag*, i32) #1 declare i8* @malloc(i32) declare void @free(i8*) attributes #0 = { returns_twice } attributes #1 = { noreturn } attributes #2 = { nounwind } ; EH: LLVM ERROR: Emscripten EH/SjLj does not support multivalue returns ; SJLJ: LLVM ERROR: Emscripten EH/SjLj does not support multivalue returns