66 lines
2 KiB
LLVM
66 lines
2 KiB
LLVM
|
; 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()
|