view test/CodeGen/Generic/donothing.ll @ 100:7d135dc70f03

LLVM 3.9
author Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
date Tue, 26 Jan 2016 22:53:40 +0900
parents afa8332a0e37
children
line wrap: on
line source

; RUN: llc < %s | FileCheck %s

declare i32 @__gxx_personality_v0(...)
declare void @__cxa_call_unexpected(i8*)
declare void @llvm.donothing() readnone

; CHECK: f1
define void @f1() nounwind uwtable ssp personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
entry:
; CHECK-NOT: donothing
  invoke void @llvm.donothing()
  to label %invoke.cont unwind label %lpad

invoke.cont:
  ret void

lpad:
  %0 = landingpad { i8*, i32 }
          filter [0 x i8*] zeroinitializer
  %1 = extractvalue { i8*, i32 } %0, 0
  tail call void @__cxa_call_unexpected(i8* %1) noreturn nounwind
  unreachable
}

; CHECK: f2
define void @f2() nounwind {
entry:
; CHECK-NOT: donothing
  call void @llvm.donothing()
  ret void
}