| ; REQUIRES: webassembly-registered-target |
| ; RUN: %clang %s -target wasm32-unknown-unknown -fwasm-exceptions -c -S -o - | FileCheck %s |
| |
| ; This tests whether clang driver can take -fwasm-exceptions and compile bitcode |
| ; files using Wasm EH. |
| |
| ; CHECK-LABEL: test |
| ; CHECK: try |
| ; CHECK: call foo |
| ; CHECK: catch __cpp_exception |
| ; CHECK: end |
| define void @test() personality i8* bitcast (i32 (...)* @__gxx_wasm_personality_v0 to i8*) { |
| entry: |
| 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* null] |
| %2 = call i8* @llvm.wasm.get.exception(token %1) |
| %3 = call i32 @llvm.wasm.get.ehselector(token %1) |
| %4 = call i8* @__cxa_begin_catch(i8* %2) #2 [ "funclet"(token %1) ] |
| call void @__cxa_end_catch() [ "funclet"(token %1) ] |
| catchret from %1 to label %try.cont |
| |
| try.cont: ; preds = %entry, %catch.start |
| ret void |
| } |
| |
| declare void @foo() |
| declare i32 @__gxx_wasm_personality_v0(...) |
| declare i8* @llvm.wasm.get.exception(token) |
| declare i32 @llvm.wasm.get.ehselector(token) |
| declare i8* @__cxa_begin_catch(i8*) |
| declare void @__cxa_end_catch() |
| |