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1166ce2460
The PruneEH pass tries to annotate functions as 'noreturn' if it doesn't see a ReturnInst. However, a naked function containing inline assembly can contain control flow leaving the function. This fixes PR23971. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240876 91177308-0d34-0410-b5e6-96231b3b80d8
22 lines
412 B
LLVM
22 lines
412 B
LLVM
; RUN: opt -S -prune-eh < %s | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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define void @f() #0 {
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entry:
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call void asm sideeffect "ret\0A\09", "~{dirflag},~{fpsr},~{flags}"()
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unreachable
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}
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define i32 @g() {
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entry:
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call void @f()
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ret i32 42
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}
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; CHECK-LABEL: define i32 @g()
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; CHECK: ret i32 42
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attributes #0 = { naked noinline }
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