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Fix another case where the linkage was not set.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@255272 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2015-12-10 18:44:26 +00:00
parent ef0af93883
commit 161d4c68fc
3 changed files with 13 additions and 2 deletions
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2
lib/Linker/IRMover.cpp
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@ -831,7 +831,7 @@ static bool useExistingDest(GlobalValue &SGV, GlobalValue *DGV,
if (SGV.isDeclaration()) if (SGV.isDeclaration())
return true; return true;
if (DGV->isDeclarationForLinker()) if (DGV->isDeclarationForLinker() && !SGV.isDeclarationForLinker())
return false; return false;
if (ShouldLink) if (ShouldLink)

5
test/Linker/Inputs/available_externally_over_decl.ll
View File

@ -1,5 +1,10 @@
@h = global void ()* @f @h = global void ()* @f
@h2 = global void ()* @g
define available_externally void @f() { define available_externally void @f() {
ret void ret void
} }
define available_externally void @g() {
ret void
}

8
test/Linker/available_externally_over_decl.ll
View File

@ -2,8 +2,14 @@
declare void @f() declare void @f()
define available_externally void @g() {
ret void
}
define void ()* @main() { define void ()* @main() {
call void @g()
ret void ()* @f ret void ()* @f
} }
; CHECK: define available_externally void @f() { ; CHECK-DAG: define available_externally void @g() {
; CHECK-DAG: define available_externally void @f() {