forked from OSchip/llvm-project
66 lines
2.0 KiB
LLVM
66 lines
2.0 KiB
LLVM
; RUN: opt < %s -wasm-lower-em-ehsjlj -emscripten-cxx-exceptions-whitelist=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 i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
|
|
; 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 { i8*, i32 }
|
|
catch i8* null
|
|
%1 = extractvalue { i8*, i32 } %0, 0
|
|
%2 = extractvalue { i8*, i32 } %0, 1
|
|
br label %catch
|
|
|
|
catch: ; preds = %lpad
|
|
%3 = call i8* @__cxa_begin_catch(i8* %1)
|
|
call void @__cxa_end_catch()
|
|
br label %try.cont
|
|
|
|
try.cont: ; preds = %catch, %invoke.cont
|
|
ret void
|
|
}
|
|
|
|
define void @do_catch() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
|
|
; CHECK-LABEL: @do_catch(
|
|
entry:
|
|
invoke void @foo()
|
|
to label %invoke.cont unwind label %lpad
|
|
; CHECK: entry:
|
|
; CHECK-NEXT: store i32 0, i32*
|
|
; CHECK-NEXT: call cc{{.*}} void @__invoke_void(void ()* @foo)
|
|
|
|
invoke.cont: ; preds = %entry
|
|
br label %try.cont
|
|
|
|
lpad: ; preds = %entry
|
|
%0 = landingpad { i8*, i32 }
|
|
catch i8* null
|
|
%1 = extractvalue { i8*, i32 } %0, 0
|
|
%2 = extractvalue { i8*, i32 } %0, 1
|
|
br label %catch
|
|
|
|
catch: ; preds = %lpad
|
|
%3 = call i8* @__cxa_begin_catch(i8* %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 i8* @__cxa_begin_catch(i8*)
|
|
declare void @__cxa_end_catch()
|