llvm/test/Linker/metadata-attach.ll
Peter Collingbourne ae03f03be4 Linker: Remove unnecessary call to copyMetadata in IRLinker::linkGlobalVariable.
This was causing us to create duplicate metadata on global variables.
Debug info test case by Adrian Prantl, additional test cases by me.

Fixes PR31012.

Differential Revision: https://reviews.llvm.org/D26622

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@286905 91177308-0d34-0410-b5e6-96231b3b80d8
2016-11-14 23:18:38 +00:00

50 lines
1.5 KiB
LLVM

; RUN: llvm-link %s -S -o - | FileCheck %s
; RUN: llvm-link %s %S/Inputs/metadata-attach.ll -S -o - | FileCheck --check-prefix=CHECK-LINKED1 %s
; RUN: llvm-link %S/Inputs/metadata-attach.ll %s -S -o - | FileCheck --check-prefix=CHECK-LINKED2 %s
; CHECK: @g1 = global i32 0, !attach !0{{$}}
; CHECK-LINKED1: @g1 = global i32 0, !attach !0{{$}}
@g1 = global i32 0, !attach !0
; CHECK: @g3 = weak global i32 1, !attach !0{{$}}
; CHECK: @g2 = external global i32, !attach !0{{$}}
; CHECK-LINKED1: @g2 = global i32 1, !attach !1{{$}}
@g2 = external global i32, !attach !0
; CHECK-LINKED1: @g3 = global i32 2, !attach !1{{$}}
@g3 = weak global i32 1, !attach !0
; CHECK-LINKED2: @g2 = global i32 1, !attach !0{{$}}
; CHECK-LINKED2: @g3 = global i32 2, !attach !0{{$}}
; CHECK-LINKED2: @g1 = global i32 0, !attach !1{{$}}
; CHECK: define void @f1() !attach !0 {
; CHECK-LINKED1: define void @f1() !attach !0 {
define void @f1() !attach !0 {
call void @f2()
store i32 0, i32* @g2
ret void
}
; CHECK: declare !attach !0 void @f2()
; CHECK-LINKED1: define void @f2() !attach !1 {
declare !attach !0 void @f2()
; CHECK: define weak void @f3() !attach !0 {
; CHECK-LINKED1: define void @f3() !attach !1 {
define weak void @f3() !attach !0 {
ret void
}
; CHECK-LINKED2: define void @f2() !attach !0 {
; CHECK-LINKED2: define void @f3() !attach !0 {
; CHECK-LINKED2: define void @f1() !attach !1 {
; CHECK-LINKED1: !0 = !{i32 0}
; CHECK-LINKED1: !1 = !{i32 1}
; CHECK-LINKED2: !0 = !{i32 1}
; CHECK-LINKED2: !1 = !{i32 0}
!0 = !{i32 0}