1; RUN: not --crash llc < %s -enable-emscripten-cxx-exceptions -mattr=+multivalue 2>&1 | FileCheck %s --check-prefix=EH 2; RUN: not --crash llc < %s -enable-emscripten-sjlj -mattr=+multivalue 2>&1 | FileCheck %s --check-prefix=SJLJ 3 4; Currently multivalue returning functions are not supported in Emscripten EH / 5; SjLj. Make sure they error out. 6 7target triple = "wasm32-unknown-unknown" 8 9%struct.__jmp_buf_tag = type { [6 x i32], i32, [32 x i32] } 10 11define void @exception() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) { 12entry: 13 invoke {i32, i32} @foo(i32 3) 14 to label %try.cont unwind label %lpad 15 16lpad: ; preds = %entry 17 %1 = landingpad { i8*, i32 } 18 catch i8* null 19 %2 = extractvalue { i8*, i32 } %1, 0 20 %3 = extractvalue { i8*, i32 } %1, 1 21 %4 = call i8* @__cxa_begin_catch(i8* %2) #2 22 call void @__cxa_end_catch() 23 br label %try.cont 24 25try.cont: ; preds = %entry, %lpad 26 ret void 27} 28 29define void @setjmp_longjmp() { 30entry: 31 %buf = alloca [1 x %struct.__jmp_buf_tag], align 16 32 %arraydecay = getelementptr inbounds [1 x %struct.__jmp_buf_tag], [1 x %struct.__jmp_buf_tag]* %buf, i32 0, i32 0 33 %call = call i32 @setjmp(%struct.__jmp_buf_tag* %arraydecay) #0 34 %arraydecay1 = getelementptr inbounds [1 x %struct.__jmp_buf_tag], [1 x %struct.__jmp_buf_tag]* %buf, i32 0, i32 0 35 call {i32, i32} @foo(i32 3) 36 call void @longjmp(%struct.__jmp_buf_tag* %arraydecay1, i32 1) #1 37 unreachable 38} 39 40declare {i32, i32} @foo(i32) 41declare i32 @__gxx_personality_v0(...) 42declare i8* @__cxa_begin_catch(i8*) 43declare void @__cxa_end_catch() 44; Function Attrs: returns_twice 45declare i32 @setjmp(%struct.__jmp_buf_tag*) #0 46; Function Attrs: noreturn 47declare void @longjmp(%struct.__jmp_buf_tag*, i32) #1 48declare i8* @malloc(i32) 49declare void @free(i8*) 50 51attributes #0 = { returns_twice } 52attributes #1 = { noreturn } 53attributes #2 = { nounwind } 54 55; EH: LLVM ERROR: Emscripten EH/SjLj does not support multivalue returns 56; SJLJ: LLVM ERROR: Emscripten EH/SjLj does not support multivalue returns 57