llvm-6502/test/Transforms/GlobalOpt/pr21191.ll
David Majnemer b07b0970b1 GlobalOpt: Don't drop unused memberes of a Comdat
A linkonce_odr member of a COMDAT shouldn't be dropped if we need to
keep the entire COMDAT group.

This fixes PR21191.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219283 91177308-0d34-0410-b5e6-96231b3b80d8
2014-10-08 07:23:31 +00:00

20 lines
360 B
LLVM

; RUN: opt < %s -globalopt -S | FileCheck %s
$c = comdat any
; CHECK: $c = comdat any
define linkonce_odr void @foo() comdat $c {
ret void
}
; CHECK: define linkonce_odr void @foo() comdat $c
define linkonce_odr void @bar() comdat $c {
ret void
}
; CHECK: define linkonce_odr void @bar() comdat $c
define void @zed() {
call void @foo()
ret void
}