| ; RUN: not --crash llc < %s -enable-emscripten-cxx-exceptions -mattr=+multivalue -target-abi=experimental-mv 2>&1 | FileCheck %s --check-prefix=EH |
| ; RUN: not --crash llc < %s -enable-emscripten-sjlj -mattr=+multivalue -target-abi=experimental-mv 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 ptr @__gxx_personality_v0 { |
| entry: |
| invoke {i32, i32} @foo(i32 3) |
| to label %try.cont unwind label %lpad |
| |
| lpad: ; preds = %entry |
| %1 = landingpad { ptr, i32 } |
| catch ptr null |
| %2 = extractvalue { ptr, i32 } %1, 0 |
| %3 = extractvalue { ptr, i32 } %1, 1 |
| %4 = call ptr @__cxa_begin_catch(ptr %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 |
| %call = call i32 @setjmp(ptr %buf) #0 |
| call {i32, i32} @foo(i32 3) |
| call void @longjmp(ptr %buf, i32 1) #1 |
| unreachable |
| } |
| |
| declare {i32, i32} @foo(i32) |
| declare i32 @__gxx_personality_v0(...) |
| declare ptr @__cxa_begin_catch(ptr) |
| declare void @__cxa_end_catch() |
| ; Function Attrs: returns_twice |
| declare i32 @setjmp(ptr) #0 |
| ; Function Attrs: noreturn |
| declare void @longjmp(ptr, i32) #1 |
| declare ptr @malloc(i32) |
| declare void @free(ptr) |
| |
| 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 |