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llvm/test/Linker/comdat9.ll

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Simplify the test. NFC. Since the main file was empty, we can just copy the content of the Input file into it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223666 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-08 17:22:06 +00:00
; RUN: llvm-link %s -S -o - | FileCheck %s
$c = comdat any
[opaque pointer type] Add textual IR support for explicit type parameter for global aliases update.py: import fileinput import sys import re alias_match_prefix = r"(.*(?:=|:|^)\s*(?:external |)(?:(?:private|internal|linkonce|linkonce_odr|weak|weak_odr|common|appending|extern_weak|available_externally) )?(?:default |hidden |protected )?(?:dllimport |dllexport )?(?:unnamed_addr |)(?:thread_local(?:\([a-z]*\))? )?alias" plain = re.compile(alias_match_prefix + r" (.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|addrspacecast|\[\[[a-zA-Z]|\{\{).*$)") cast = re.compile(alias_match_prefix + r") ((?:bitcast|inttoptr|addrspacecast)\s*\(.* to (.*?)(| addrspace\(\d+\) *)\*\)\s*(?:;.*)?$)") gep = re.compile(alias_match_prefix + r") ((?:getelementptr)\s*(?:inbounds)?\s*\((?P<type>.*), (?P=type)(?:\s*addrspace\(\d+\)\s*)?\* .*\)\s*(?:;.*)?$)") def conv(line): m = re.match(cast, line) if m: return m.group(1) + " " + m.group(3) + ", " + m.group(2) m = re.match(gep, line) if m: return m.group(1) + " " + m.group(3) + ", " + m.group(2) m = re.match(plain, line) if m: return m.group(1) + ", " + m.group(2) + m.group(3) + "*" + m.group(4) + "\n" return line for line in sys.stdin: sys.stdout.write(conv(line)) apply.sh: for name in "$@" do python3 `dirname "$0"`/update.py < "$name" > "$name.tmp" && mv "$name.tmp" "$name" rm -f "$name.tmp" done The actual commands: From llvm/src: find test/ -name *.ll | xargs ./apply.sh From llvm/src/tools/clang: find test/ -name *.mm -o -name *.m -o -name *.cpp -o -name *.c | xargs -I '{}' ../../apply.sh "{}" From llvm/src/tools/polly: find test/ -name *.ll | xargs ./apply.sh git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247378 91177308-0d34-0410-b5e6-96231b3b80d8
2015-09-11 03:22:04 +00:00
@a = alias void (), void ()* @f
Change the .ll syntax for comdats and add a syntactic sugar. In order to make comdats always explicit in the IR, we decided to make the syntax a bit more compact for the case of a GlobalObject in a comdat with the same name. Just dropping the $name causes problems for @foo = globabl i32 0, comdat $bar = comdat ... and declare void @foo() comdat $bar = comdat ... So the syntax is changed to @g1 = globabl i32 0, comdat($c1) @g2 = globabl i32 0, comdat and declare void @foo() comdat($c1) declare void @foo() comdat git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225302 91177308-0d34-0410-b5e6-96231b3b80d8
2015-01-06 22:55:16 +00:00
define internal void @f() comdat($c) {
Simplify the test. NFC. Since the main file was empty, we can just copy the content of the Input file into it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223666 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-08 17:22:06 +00:00
ret void
}
Set comdats when lazily linking functions. 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
2014-08-15 20:17:08 +00:00
Don't crash when the key of a comdat is lazily linked. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223673 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-08 18:05:48 +00:00
; CHECK-DAG: $c = comdat any
[opaque pointer type] Add textual IR support for explicit type parameter for global aliases update.py: import fileinput import sys import re alias_match_prefix = r"(.*(?:=|:|^)\s*(?:external |)(?:(?:private|internal|linkonce|linkonce_odr|weak|weak_odr|common|appending|extern_weak|available_externally) )?(?:default |hidden |protected )?(?:dllimport |dllexport )?(?:unnamed_addr |)(?:thread_local(?:\([a-z]*\))? )?alias" plain = re.compile(alias_match_prefix + r" (.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|addrspacecast|\[\[[a-zA-Z]|\{\{).*$)") cast = re.compile(alias_match_prefix + r") ((?:bitcast|inttoptr|addrspacecast)\s*\(.* to (.*?)(| addrspace\(\d+\) *)\*\)\s*(?:;.*)?$)") gep = re.compile(alias_match_prefix + r") ((?:getelementptr)\s*(?:inbounds)?\s*\((?P<type>.*), (?P=type)(?:\s*addrspace\(\d+\)\s*)?\* .*\)\s*(?:;.*)?$)") def conv(line): m = re.match(cast, line) if m: return m.group(1) + " " + m.group(3) + ", " + m.group(2) m = re.match(gep, line) if m: return m.group(1) + " " + m.group(3) + ", " + m.group(2) m = re.match(plain, line) if m: return m.group(1) + ", " + m.group(2) + m.group(3) + "*" + m.group(4) + "\n" return line for line in sys.stdin: sys.stdout.write(conv(line)) apply.sh: for name in "$@" do python3 `dirname "$0"`/update.py < "$name" > "$name.tmp" && mv "$name.tmp" "$name" rm -f "$name.tmp" done The actual commands: From llvm/src: find test/ -name *.ll | xargs ./apply.sh From llvm/src/tools/clang: find test/ -name *.mm -o -name *.m -o -name *.cpp -o -name *.c | xargs -I '{}' ../../apply.sh "{}" From llvm/src/tools/polly: find test/ -name *.ll | xargs ./apply.sh git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247378 91177308-0d34-0410-b5e6-96231b3b80d8
2015-09-11 03:22:04 +00:00
; CHECK-DAG: @a = alias void (), void ()* @f
Change the .ll syntax for comdats and add a syntactic sugar. In order to make comdats always explicit in the IR, we decided to make the syntax a bit more compact for the case of a GlobalObject in a comdat with the same name. Just dropping the $name causes problems for @foo = globabl i32 0, comdat $bar = comdat ... and declare void @foo() comdat $bar = comdat ... So the syntax is changed to @g1 = globabl i32 0, comdat($c1) @g2 = globabl i32 0, comdat and declare void @foo() comdat($c1) declare void @foo() comdat git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225302 91177308-0d34-0410-b5e6-96231b3b80d8
2015-01-06 22:55:16 +00:00
; CHECK-DAG: define internal void @f() comdat($c)
Don't crash when the key of a comdat is lazily linked. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223673 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-08 18:05:48 +00:00
$f2 = comdat largest
Fix lazy linking of comdat members. If not for lazy linking of linkonce GVs, comdats are just a preprocessing before symbol resolution. Lazy linking complicates it since when we pick a visible member of comdat, we have to make sure the rest of it passes symbol resolution too. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@264223 91177308-0d34-0410-b5e6-96231b3b80d8
2016-03-24 00:06:03 +00:00
define linkonce_odr void @f2() comdat($f2) {
Don't crash when the key of a comdat is lazily linked. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223673 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-08 18:05:48 +00:00
ret void
}
Bring r254336 back: The difference is that now we don't error on out-of-comdat access to internal global values. We copy them instead. This seems to match the expectation of COFF linkers (see pr25686). Original message: Start deciding earlier what to link. A traditional linker is roughly split in symbol resolution and "copying stuff". The two tasks are badly mixed in lib/Linker. This starts splitting them apart. With this patch there are no direct call to linkGlobalValueBody or linkGlobalValueProto. Everything is linked via WapValue. This also includes a few fixes: * A GV goes undefined if the comdat is dropped (comdat11.ll). * We error if an internal GV goes undefined (comdat13.ll). * We don't link an unused comdat. The first two match the behavior of an ELF linker. The second one is equivalent to running globaldce on the input. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@254418 91177308-0d34-0410-b5e6-96231b3b80d8
2015-12-01 15:19:48 +00:00
define void @f3() comdat($f2) {
ret void
}
Don't crash when the key of a comdat is lazily linked. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223673 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-08 18:05:48 +00:00
; CHECK-DAG: $f2 = comdat largest
Fix lazy linking of comdat members. If not for lazy linking of linkonce GVs, comdats are just a preprocessing before symbol resolution. Lazy linking complicates it since when we pick a visible member of comdat, we have to make sure the rest of it passes symbol resolution too. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@264223 91177308-0d34-0410-b5e6-96231b3b80d8
2016-03-24 00:06:03 +00:00
; CHECK-DAG: define linkonce_odr void @f2()
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