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llvm-project/lld/test/pecoff/comdat.test

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[PECOFF] Support COMDAT section that contains mergeable atoms. The COMDAT section is a section with a special attribute to tell the linker whether the symbols in the section are allowed to be merged or not. This patch add a function to interpret the COMDAT data and set "merge" attribute to the atoms accordingly. LLD supports multiple policies to merge atoms; atoms can be merged by name or by content. COFF supports them, and in addition to that, it supports choose-the-largest-atom policy, which LLD currently does not support. I simply mapped it to merge-by-name attribute for now, but we eventually have to support that policy in the core linker. llvm-svn: 188025
2013-08-09 07:31:50 +08:00
# RUN: yaml2obj %p/Inputs/comdat.obj.yaml > %t1.obj
# RUN: yaml2obj %p/Inputs/comdat.obj.yaml > %t2.obj
#
[PECOFF] Add file extensions to temporary files. No functionality change. llvm-svn: 198075
2013-12-27 16:37:40 +08:00
# RUN: lld -flavor link /out:%t.exe /subsystem:console /opt:noref /force \
[PECOFF] Support COMDAT section that contains mergeable atoms. The COMDAT section is a section with a special attribute to tell the linker whether the symbols in the section are allowed to be merged or not. This patch add a function to interpret the COMDAT data and set "merge" attribute to the atoms accordingly. LLD supports multiple policies to merge atoms; atoms can be merged by name or by content. COFF supports them, and in addition to that, it supports choose-the-largest-atom policy, which LLD currently does not support. I simply mapped it to merge-by-name attribute for now, but we eventually have to support that policy in the core linker. llvm-svn: 188025
2013-08-09 07:31:50 +08:00
# RUN: -- %t1.obj %t2.obj 2>&1 > %t.log
#
# FileCheck complains if the input files is empty, so add a dummy line.
# RUN: echo foo >> %t.log
#
[PECOFF] Add file extensions to temporary files. No functionality change. llvm-svn: 198075
2013-12-27 16:37:40 +08:00
# RUN: FileCheck %s < %t.log
[PECOFF] Support COMDAT section that contains mergeable atoms. The COMDAT section is a section with a special attribute to tell the linker whether the symbols in the section are allowed to be merged or not. This patch add a function to interpret the COMDAT data and set "merge" attribute to the atoms accordingly. LLD supports multiple policies to merge atoms; atoms can be merged by name or by content. COFF supports them, and in addition to that, it supports choose-the-largest-atom policy, which LLD currently does not support. I simply mapped it to merge-by-name attribute for now, but we eventually have to support that policy in the core linker. llvm-svn: 188025
2013-08-09 07:31:50 +08:00
CHECK-NOT: duplicate symbol error