File: 2009-01-31-Pressure.ll

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llvm-toolchain-6.0 1:6.0-1~bpo9+1
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; RUN: opt < %s -instcombine -S | grep "%B = add i8 %b, %x"
; PR2698

declare void @use1(i1)
declare void @use8(i8)

define void @test1(i8 %a, i8 %b, i8 %x) {
  %A = add i8 %a, %x
  %B = add i8 %b, %x
  %C = icmp eq i8 %A, %B
  call void @use1(i1 %C)
  ret void
}

define void @test2(i8 %a, i8 %b, i8 %x) {
  %A = add i8 %a, %x
  %B = add i8 %b, %x
  %C = icmp eq i8 %A, %B
  call void @use1(i1 %C)
  call void @use8(i8 %A)
  ret void
}