66 lines
2.0 KiB
LLVM
66 lines
2.0 KiB
LLVM
; RUN: opt < %s -wasm-lower-em-ehsjlj -emscripten-cxx-exceptions-allowed=do_catch -S | FileCheck %s
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32-unknown-unknown"
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define void @dont_catch() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
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; CHECK-LABEL: @dont_catch(
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entry:
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invoke void @foo()
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to label %invoke.cont unwind label %lpad
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; CHECK: entry:
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; CHECK-NEXT: call void @foo()
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; CHECK-NEXT: br label %invoke.cont
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invoke.cont: ; preds = %entry
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br label %try.cont
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lpad: ; preds = %entry
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%0 = landingpad { i8*, i32 }
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catch i8* null
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%1 = extractvalue { i8*, i32 } %0, 0
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%2 = extractvalue { i8*, i32 } %0, 1
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br label %catch
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catch: ; preds = %lpad
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%3 = call i8* @__cxa_begin_catch(i8* %1)
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call void @__cxa_end_catch()
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br label %try.cont
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try.cont: ; preds = %catch, %invoke.cont
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ret void
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}
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define void @do_catch() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
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; CHECK-LABEL: @do_catch(
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entry:
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invoke void @foo()
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to label %invoke.cont unwind label %lpad
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; CHECK: entry:
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; CHECK-NEXT: store i32 0, i32*
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; CHECK-NEXT: call cc{{.*}} void @__invoke_void(void ()* @foo)
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invoke.cont: ; preds = %entry
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br label %try.cont
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lpad: ; preds = %entry
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%0 = landingpad { i8*, i32 }
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catch i8* null
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%1 = extractvalue { i8*, i32 } %0, 0
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%2 = extractvalue { i8*, i32 } %0, 1
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br label %catch
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catch: ; preds = %lpad
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%3 = call i8* @__cxa_begin_catch(i8* %1)
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call void @__cxa_end_catch()
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br label %try.cont
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try.cont: ; preds = %catch, %invoke.cont
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ret void
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}
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declare void @foo()
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declare i32 @__gxx_personality_v0(...)
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declare i8* @__cxa_begin_catch(i8*)
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declare void @__cxa_end_catch()
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