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TheRock/compiler/amd-llvm/llvm/test/CodeGen/WebAssembly/lower-em-exceptions-allowed.ll
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derek.holloway 7502bf64a4
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66 lines
2.0 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()