forked from OSchip/llvm-project
108 lines
6.6 KiB
ArmAsm
108 lines
6.6 KiB
ArmAsm
# REQUIRES: x86
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# Tests handling of the comdat selection type.
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# (Except associative which is tested in associative-comdat.s and
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# comdat-selection-associate-largest.s instead.)
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# Create obj files with each selection type.
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# RUN: sed -e s/SEL/discard/ %s | llvm-mc -triple x86_64-pc-win32 -filetype=obj -o %t.discard.obj
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# RUN: sed -e s/SEL/discard/ -e s/.long/.short/ -e s/1/2/ %s | llvm-mc -triple x86_64-pc-win32 -filetype=obj -o %t.discard.short.2.obj
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# RUN: sed -e s/SEL/one_only/ %s | llvm-mc -triple x86_64-pc-win32 -filetype=obj -o %t.one_only.obj
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# RUN: sed -e s/SEL/same_size/ %s | llvm-mc -triple x86_64-pc-win32 -filetype=obj -o %t.same_size.obj
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# RUN: sed -e s/SEL/same_size/ -e s/.long/.short/ %s | llvm-mc -triple x86_64-pc-win32 -filetype=obj -o %t.same_size.short.obj
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# RUN: sed -e s/SEL/same_contents/ %s | llvm-mc -triple x86_64-pc-win32 -filetype=obj -o %t.same_contents.obj
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# RUN: sed -e s/SEL/same_contents/ -e s/.long/.short/ %s | llvm-mc -triple x86_64-pc-win32 -filetype=obj -o %t.same_contents.short.obj
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# RUN: sed -e s/SEL/same_contents/ -e s/1/2/ %s | llvm-mc -triple x86_64-pc-win32 -filetype=obj -o %t.same_contents.2.obj
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# RUN: sed -e s/SEL/largest/ %s | llvm-mc -triple x86_64-pc-win32 -filetype=obj -o %t.largest.obj
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# RUN: sed -e s/SEL/largest/ -e s/.long/.short/ -e s/1/2/ %s | llvm-mc -triple x86_64-pc-win32 -filetype=obj -o %t.largest.short.2.obj
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# RUN: sed -e s/SEL/newest/ %s | llvm-mc -triple x86_64-pc-win32 -filetype=obj -o %t.newest.obj
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.section .text$nm, "", SEL, symbol
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.globl symbol
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symbol:
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.long 1
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# First, pass each selection type twice. All should link fine except for
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# one_only which should report a duplicate symbol error and newest which
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# link.exe (and hence lld-link) doesn't understand.
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# RUN: cp %t.discard.obj %t.obj && lld-link /dll /noentry /nodefaultlib %t.discard.obj %t.obj
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# RUN: cp %t.one_only.obj %t.obj && not lld-link /dll /noentry /nodefaultlib %t.one_only.obj %t.obj 2>&1 | FileCheck --check-prefix=ONEONE %s
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# ONEONE: lld-link: error: duplicate symbol: symbol
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# RUN: cp %t.same_size.obj %t.obj && lld-link /dll /noentry /nodefaultlib %t.same_size.obj %t.obj
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# RUN: cp %t.same_contents.obj %t.obj && lld-link /dll /noentry /nodefaultlib %t.same_contents.obj %t.obj
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# RUN: cp %t.largest.obj %t.obj && lld-link /dll /noentry /nodefaultlib %t.largest.obj %t.obj
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# RUN: cp %t.newest.obj %t.obj && not lld-link /dll /noentry /nodefaultlib %t.newest.obj %t.obj 2>&1 | FileCheck --check-prefix=NEWNEW %s
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# NEWNEW: lld-link: error: unknown comdat type 7 for symbol
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# /force doesn't affect errors about unknown comdat types.
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# RUN: cp %t.newest.obj %t.obj && not lld-link /force /dll /noentry /nodefaultlib %t.newest.obj %t.obj 2>&1 | FileCheck --check-prefix=NEWNEWFORCE %s
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# NEWNEWFORCE: lld-link: error: unknown comdat type 7 for symbol
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# Check that same_size, same_contents, largest do what they're supposed to.
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# Check that the "same_size" selection produces an error if passed two symbols
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# with different size.
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# RUN: not lld-link /dll /noentry /nodefaultlib %t.same_size.obj %t.same_size.short.obj 2>&1 | FileCheck --check-prefix=SAMESIZEDUPE %s
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# SAMESIZEDUPE: lld-link: error: duplicate symbol: symbol
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# Check that the "same_contents" selection produces an error if passed two
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# symbols with different contents.
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# RUN: not lld-link /dll /noentry /nodefaultlib %t.same_contents.obj %t.same_contents.2.obj 2>&1 | FileCheck --check-prefix=SAMECONTENTSDUPE1 %s
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# SAMECONTENTSDUPE1: lld-link: error: duplicate symbol: symbol
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# RUN: not lld-link /dll /noentry /nodefaultlib %t.same_contents.obj %t.same_contents.2.obj 2>&1 | FileCheck --check-prefix=SAMECONTENTSDUPE2 %s
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# SAMECONTENTSDUPE2: lld-link: error: duplicate symbol: symbol
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# Check that the "largest" selection picks the larger comdat (independent of
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# the order the .obj files are passed on the commandline).
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# RUN: lld-link /opt:noref /include:symbol /dll /noentry /nodefaultlib %t.largest.obj %t.largest.short.2.obj /out:%t.exe
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# RUN: llvm-objdump -s %t.exe | FileCheck --check-prefix=LARGEST1 %s
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# LARGEST1: Contents of section .text:
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# LARGEST1: 180001000 01000000 ....
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# FIXME: Make this pass when /opt:noref is passed.
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# RUN: lld-link /include:symbol /dll /noentry /nodefaultlib %t.largest.short.2.obj %t.largest.obj /out:%t.exe
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# RUN: llvm-objdump -s %t.exe | FileCheck --check-prefix=LARGEST2 %s
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# LARGEST2: Contents of section .text:
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# LARGEST2: 180001000 01000000 ....
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# Test linking the same symbol with different comdat selection types.
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# link.exe generally rejects this, except for "largest" which is allowed to
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# combine with everything (https://bugs.llvm.org/show_bug.cgi?id=40094#c7).
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# lld-link rejects all comdat selection type mismatches. Spot-test just a few
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# combinations.
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# RUN: not lld-link /verbose /dll /noentry /nodefaultlib %t.discard.obj %t.one_only.obj 2>&1 | FileCheck --check-prefix=DISCARDONE %s
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# DISCARDONE: lld-link: conflicting comdat type for symbol: 2 in
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# DISCARDONE: lld-link: error: duplicate symbol: symbol
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# RUN: lld-link /verbose /force /dll /noentry /nodefaultlib %t.discard.obj %t.one_only.obj 2>&1 | FileCheck --check-prefix=DISCARDONEFORCE %s
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# DISCARDONEFORCE: lld-link: conflicting comdat type for symbol: 2 in
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# DISCARDONEFORCE: lld-link: warning: duplicate symbol: symbol
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# Make sure the error isn't depending on the order of .obj files.
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# RUN: not lld-link /verbose /dll /noentry /nodefaultlib %t.one_only.obj %t.discard.obj 2>&1 | FileCheck --check-prefix=ONEDISCARD %s
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# ONEDISCARD: lld-link: conflicting comdat type for symbol: 1 in
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# ONEDISCARD: lld-link: error: duplicate symbol: symbol
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# RUN: not lld-link /verbose /dll /noentry /nodefaultlib %t.same_contents.obj %t.same_size.obj 2>&1 | FileCheck --check-prefix=CONTENTSSIZE %s
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# CONTENTSSIZE: lld-link: conflicting comdat type for symbol: 4 in
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# CONTENTSSIZE: lld-link: error: duplicate symbol: symbol
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# Check that linking one 'discard' and one 'largest' has the effect of
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# 'largest'.
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# RUN: lld-link /dll /noentry /nodefaultlib %t.discard.short.2.obj %t.largest.obj
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# RUN: llvm-objdump -s %t.exe | FileCheck --check-prefix=DISCARDLARGEST %s
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# DISCARDLARGEST: Contents of section .text:
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# DISCARDLARGEST: 180001000 01000000 ....
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# RUN: lld-link /dll /noentry /nodefaultlib %t.largest.obj %t.discard.short.2.obj
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# RUN: llvm-objdump -s %t.exe | FileCheck --check-prefix=LARGESTDISCARD %s
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# LARGESTDISCARD: Contents of section .text:
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# LARGESTDISCARD: 180001000 01000000 ....
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# These cases are accepted by link.exe but not by lld-link.
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# RUN: not lld-link /verbose /dll /noentry /nodefaultlib %t.largest.obj %t.one_only.obj 2>&1 | FileCheck --check-prefix=LARGESTONE %s
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# LARGESTONE: lld-link: conflicting comdat type for symbol: 6 in
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# LARGESTONE: lld-link: error: duplicate symbol: symbol
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