6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-12-28 04:33:05 +00:00
Code Issues Projects Releases Wiki Activity

Set comdats when lazily linking functions.

Browse Source 
We were setting the comdat when functions were copied in the initial pass, but
not when they were linked only when we found out that they are needed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215765 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2014-08-15 20:17:08 +00:00
parent 9ad3f9b8e1
commit 0549fc2448
3 changed files with 17 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
lib/Linker/LinkModules.cpp
View File

@ -546,6 +546,11 @@ Value *ValueMaterializerTy::materializeValueFor(Value *V) {
SF->getLinkage(), SF->getName(), DstM);
copyGVAttributes(DF, SF);
if (Comdat *SC = SF->getComdat()) {
Comdat *DC = DstM->getOrInsertComdat(SC->getName());
DF->setComdat(DC);
}
LazilyLinkFunctions.push_back(SF);
return DF;
}

5
test/Linker/Inputs/comdat9.ll Normal file
View File

@ -0,0 +1,5 @@
$c = comdat any
@a = alias void ()* @f
define internal void @f() comdat $c {
ret void
}

7
test/Linker/comdat9.ll Normal file
View File

@ -0,0 +1,7 @@
; RUN: llvm-link %s %p/Inputs/comdat9.ll -S -o - | FileCheck %s
; CHECK: $c = comdat any
; CHECK: @a = alias void ()* @f
; CHECK: define internal void @f() comdat $c {
; CHECK: ret void
; CHECK: }