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44 lines
1.7 KiB
LLVM
44 lines
1.7 KiB
LLVM
; RUN: llc -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s
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@_ZTIi = external constant i8*
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; Function is marked as nounwind but it still throws with __cxa_throw and
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; calls __cxa_call_unexpected.
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; Need to make sure that we do not only have a debug frame.
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; Function Attrs: noreturn nounwind
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define void @_Z4funcv() local_unnamed_addr #0 personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
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entry:
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%exception = tail call i8* @__cxa_allocate_exception(i64 4)
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%0 = bitcast i8* %exception to i32*
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store i32 100, i32* %0, align 16
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invoke void @__cxa_throw(i8* %exception, i8* bitcast (i8** @_ZTIi to i8*), i8* null)
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to label %unreachable unwind label %lpad
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lpad: ; preds = %entry
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%1 = landingpad { i8*, i32 }
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filter [0 x i8*] zeroinitializer
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%2 = extractvalue { i8*, i32 } %1, 0
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tail call void @__cxa_call_unexpected(i8* %2)
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unreachable
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unreachable: ; preds = %entry
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unreachable
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; CHECK-LABEL: _Z4funcv
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; CHECK-NOT: .debug_frame
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; CHECK: .cfi_personality
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; CHECK: .cfi_endproc
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}
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declare i8* @__cxa_allocate_exception(i64) local_unnamed_addr
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declare void @__cxa_throw(i8*, i8*, i8*) local_unnamed_addr
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declare i32 @__gxx_personality_v0(...)
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declare void @__cxa_call_unexpected(i8*) local_unnamed_addr
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attributes #0 = { noreturn nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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