| ; RUN: opt < %s -wasm-lower-em-ehsjlj -enable-emscripten-cxx-exceptions -emscripten-cxx-exceptions-allowed=do_catch -S | FileCheck %s |
| |
| target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128" |
| target triple = "wasm32-unknown-unknown" |
| |
| define void @dont_catch() personality ptr @__gxx_personality_v0 { |
| ; CHECK-LABEL: @dont_catch( |
| entry: |
| invoke void @foo() |
| to label %invoke.cont unwind label %lpad |
| ; CHECK: entry: |
| ; CHECK-NEXT: call void @foo() |
| ; CHECK-NEXT: br label %invoke.cont |
| |
| invoke.cont: ; preds = %entry |
| br label %try.cont |
| |
| lpad: ; preds = %entry |
| %0 = landingpad { ptr, i32 } |
| catch ptr null |
| %1 = extractvalue { ptr, i32 } %0, 0 |
| %2 = extractvalue { ptr, i32 } %0, 1 |
| br label %catch |
| |
| catch: ; preds = %lpad |
| %3 = call ptr @__cxa_begin_catch(ptr %1) |
| call void @__cxa_end_catch() |
| br label %try.cont |
| |
| try.cont: ; preds = %catch, %invoke.cont |
| ret void |
| } |
| |
| define void @do_catch() personality ptr @__gxx_personality_v0 { |
| ; CHECK-LABEL: @do_catch( |
| entry: |
| invoke void @foo() |
| to label %invoke.cont unwind label %lpad |
| ; CHECK: entry: |
| ; CHECK-NEXT: store i32 0, ptr |
| ; CHECK-NEXT: call cc{{.*}} void @__invoke_void(ptr @foo) |
| |
| invoke.cont: ; preds = %entry |
| br label %try.cont |
| |
| lpad: ; preds = %entry |
| %0 = landingpad { ptr, i32 } |
| catch ptr null |
| %1 = extractvalue { ptr, i32 } %0, 0 |
| %2 = extractvalue { ptr, i32 } %0, 1 |
| br label %catch |
| |
| catch: ; preds = %lpad |
| %3 = call ptr @__cxa_begin_catch(ptr %1) |
| call void @__cxa_end_catch() |
| br label %try.cont |
| |
| try.cont: ; preds = %catch, %invoke.cont |
| ret void |
| } |
| |
| declare void @foo() |
| declare i32 @__gxx_personality_v0(...) |
| declare ptr @__cxa_begin_catch(ptr) |
| declare void @__cxa_end_catch() |