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The personality routine currently lives in the LandingPadInst. This isn't desirable because: - All LandingPadInsts in the same function must have the same personality routine. This means that each LandingPadInst beyond the first has an operand which produces no additional information. - There is ongoing work to introduce EH IR constructs other than LandingPadInst. Moving the personality routine off of any one particular Instruction and onto the parent function seems a lot better than have N different places a personality function can sneak onto an exceptional function. Differential Revision: http://reviews.llvm.org/D10429 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239940 91177308-0d34-0410-b5e6-96231b3b80d8
19 lines
513 B
LLVM
19 lines
513 B
LLVM
; RUN: opt < %s -extract-blocks -disable-output
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define i32 @foo() personality i32 (...)* @__gcc_personality_v0 {
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br label %EB
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EB: ; preds = %0
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%V = invoke i32 @foo( )
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to label %Cont unwind label %Unw ; <i32> [#uses=1]
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Cont: ; preds = %EB
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ret i32 %V
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Unw: ; preds = %EB
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%exn = landingpad { i8*, i32 }
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catch i8* null
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resume { i8*, i32 } %exn
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}
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declare i32 @__gcc_personality_v0(...)
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