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Change the .ll syntax for comdats and add a syntactic sugar.

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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
This commit is contained in:
Rafael Espindola 2015-01-06 22:55:16 +00:00
parent 8e9ba0e588
commit f907a26bc2
40 changed files with 152 additions and 114 deletions
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22
docs/LangRef.rst
View File

@ -596,7 +596,8 @@ Syntax::
[@<GlobalVarName> =] [Linkage] [Visibility] [DLLStorageClass] [ThreadLocal]
[unnamed_addr] [AddrSpace] [ExternallyInitialized]
<global | constant> <Type> [<InitializerConstant>]
[, section "name"] [, align <Alignment>]
[, section "name"] [, comdat [($name)]]
[, align <Alignment>]
For example, the following defines a global in a numbered address space
with an initializer, section, and alignment:
@ -681,7 +682,7 @@ Syntax::
define [linkage] [visibility] [DLLStorageClass]
[cconv] [ret attrs]
<ResultType> @<FunctionName> ([argument list])
[unnamed_addr] [fn Attrs] [section "name"] [comdat $<ComdatName>]
[unnamed_addr] [fn Attrs] [section "name"] [comdat [($name)]]
[align N] [gc] [prefix Constant] [prologue Constant] { ... }
The argument list is a comma seperated sequence of arguments where each
@ -775,12 +776,21 @@ the COMDAT key's section is the largest:
.. code-block:: llvm
$foo = comdat largest
@foo = global i32 2, comdat $foo
@foo = global i32 2, comdat($foo)
define void @bar() comdat $foo {
define void @bar() comdat($foo) {
ret void
}
As a syntactic sugar the ``$name`` can be omitted if the name is the same as
the global name:
.. code-block:: llvm
$foo = comdat any
@foo = global i32 2, comdat
In a COFF object file, this will create a COMDAT section with selection kind
``IMAGE_COMDAT_SELECT_LARGEST`` containing the contents of the ``@foo`` symbol
and another COMDAT section with selection kind
@ -803,8 +813,8 @@ For example:
$foo = comdat any
$bar = comdat any
@g1 = global i32 42, section "sec", comdat $foo
@g2 = global i32 42, section "sec", comdat $bar
@g1 = global i32 42, section "sec", comdat($foo)
@g2 = global i32 42, section "sec", comdat($bar)
From the object file perspective, this requires the creation of two sections
with the same name. This is necessary because both globals belong to different

28
lib/AsmParser/LLParser.cpp
View File

@ -850,7 +850,7 @@ bool LLParser::ParseGlobal(const std::string &Name, LocTy NameLoc,
GV->setAlignment(Alignment);
} else {
Comdat *C;
if (parseOptionalComdat(C))
if (parseOptionalComdat(Name, C))
return true;
if (C)
GV->setComdat(C);
@ -2899,16 +2899,26 @@ bool LLParser::ParseGlobalTypeAndValue(Constant *&V) {
ParseGlobalValue(Ty, V);
}
bool LLParser::parseOptionalComdat(Comdat *&C) {
bool LLParser::parseOptionalComdat(StringRef GlobalName, Comdat *&C) {
C = nullptr;
LocTy KwLoc = Lex.getLoc();
if (!EatIfPresent(lltok::kw_comdat))
return false;
if (Lex.getKind() != lltok::ComdatVar)
return TokError("expected comdat variable");
LocTy Loc = Lex.getLoc();
StringRef Name = Lex.getStrVal();
C = getComdat(Name, Loc);
Lex.Lex();
if (EatIfPresent(lltok::lparen)) {
if (Lex.getKind() != lltok::ComdatVar)
return TokError("expected comdat variable");
C = getComdat(Lex.getStrVal(), Lex.getLoc());
Lex.Lex();
if (ParseToken(lltok::rparen, "expected ')' after comdat var"))
return true;
} else {
if (GlobalName.empty())
return TokError("comdat cannot be unnamed");
C = getComdat(GlobalName, KwLoc);
}
return false;
}
@ -3262,7 +3272,7 @@ bool LLParser::ParseFunctionHeader(Function *&Fn, bool isDefine) {
BuiltinLoc) ||
(EatIfPresent(lltok::kw_section) &&
ParseStringConstant(Section)) ||
parseOptionalComdat(C) ||
parseOptionalComdat(FunctionName, C) ||
ParseOptionalAlignment(Alignment) ||
(EatIfPresent(lltok::kw_gc) &&
ParseStringConstant(GC)) ||

2
lib/AsmParser/LLParser.h
View File

@ -385,7 +385,7 @@ namespace llvm {
bool ParseGlobalValue(Type *Ty, Constant *&V);
bool ParseGlobalTypeAndValue(Constant *&V);
bool ParseGlobalValueVector(SmallVectorImpl<Constant *> &Elts);
bool parseOptionalComdat(Comdat *&C);
bool parseOptionalComdat(StringRef GlobalName, Comdat *&C);
bool ParseMetadataAsValue(Value *&V, PerFunctionState &PFS);
bool ParseValueAsMetadata(Metadata *&MD, PerFunctionState *PFS);
bool ParseMetadata(Metadata *&MD, PerFunctionState *PFS);

28
lib/IR/AsmWriter.cpp
View File

@ -1683,6 +1683,24 @@ static void PrintThreadLocalModel(GlobalVariable::ThreadLocalMode TLM,
}
}
static void maybePrintComdat(formatted_raw_ostream &Out,
const GlobalObject &GO) {
const Comdat *C = GO.getComdat();
if (!C)
return;
if (isa<GlobalVariable>(GO))
Out << ',';
Out << " comdat";
if (GO.getName() == C->getName())
return;
Out << '(';
PrintLLVMName(Out, C->getName(), ComdatPrefix);
Out << ')';
}
void AssemblyWriter::printGlobal(const GlobalVariable *GV) {
if (GV->isMaterializable())
Out << "; Materializable\n";
@ -1716,10 +1734,7 @@ void AssemblyWriter::printGlobal(const GlobalVariable *GV) {
PrintEscapedString(GV->getSection(), Out);
Out << '"';
}
if (GV->hasComdat()) {
Out << ", comdat ";
PrintLLVMName(Out, GV->getComdat()->getName(), ComdatPrefix);
}
maybePrintComdat(Out, *GV);
if (GV->getAlignment())
Out << ", align " << GV->getAlignment();
@ -1900,10 +1915,7 @@ void AssemblyWriter::printFunction(const Function *F) {
PrintEscapedString(F->getSection(), Out);
Out << '"';
}
if (F->hasComdat()) {
Out << " comdat ";
PrintLLVMName(Out, F->getComdat()->getName(), ComdatPrefix);
}
maybePrintComdat(Out, *F);
if (F->getAlignment())
Out << " align " << F->getAlignment();
if (F->hasGC())

2
test/Assembler/invalid-comdat.ll
View File

@ -1,4 +1,4 @@
; RUN: not llvm-as < %s 2>&1 | FileCheck %s
@v = global i32 0, comdat $v
@v = global i32 0, comdat($v)
; CHECK: use of undefined comdat '$v'

6
test/Assembler/unnamed-comdat.ll Normal file
View File

@ -0,0 +1,6 @@
; RUN: not llvm-as < %s 2>&1 | FileCheck %s
; CHECK: comdat cannot be unnamed
define void @0() comdat {
ret void
}

34
test/CodeGen/X86/coff-comdat.ll
View File

@ -1,58 +1,58 @@
; RUN: llc -mtriple i386-pc-win32 < %s | FileCheck %s
$f1 = comdat any
@v1 = global i32 0, comdat $f1
define void @f1() comdat $f1 {
@v1 = global i32 0, comdat($f1)
define void @f1() comdat($f1) {
ret void
}
$f2 = comdat exactmatch
@v2 = global i32 0, comdat $f2
define void @f2() comdat $f2 {
@v2 = global i32 0, comdat($f2)
define void @f2() comdat($f2) {
ret void
}
$f3 = comdat largest
@v3 = global i32 0, comdat $f3
define void @f3() comdat $f3 {
@v3 = global i32 0, comdat($f3)
define void @f3() comdat($f3) {
ret void
}
$f4 = comdat noduplicates
@v4 = global i32 0, comdat $f4
define void @f4() comdat $f4 {
@v4 = global i32 0, comdat($f4)
define void @f4() comdat($f4) {
ret void
}
$f5 = comdat samesize
@v5 = global i32 0, comdat $f5
define void @f5() comdat $f5 {
@v5 = global i32 0, comdat($f5)
define void @f5() comdat($f5) {
ret void
}
$f6 = comdat samesize
@v6 = global i32 0, comdat $f6
@f6 = global i32 0, comdat $f6
@v6 = global i32 0, comdat($f6)
@f6 = global i32 0, comdat($f6)
$"\01@f7@0" = comdat any
define x86_fastcallcc void @"\01@v7@0"() comdat $"\01@f7@0" {
define x86_fastcallcc void @"\01@v7@0"() comdat($"\01@f7@0") {
ret void
}
define x86_fastcallcc void @"\01@f7@0"() comdat $"\01@f7@0" {
define x86_fastcallcc void @"\01@f7@0"() comdat($"\01@f7@0") {
ret void
}
$f8 = comdat any
define x86_fastcallcc void @v8() comdat $f8 {
define x86_fastcallcc void @v8() comdat($f8) {
ret void
}
define x86_fastcallcc void @f8() comdat $f8 {
define x86_fastcallcc void @f8() comdat($f8) {
ret void
}
$vftable = comdat largest
@some_name = private unnamed_addr constant [2 x i8*] zeroinitializer, comdat $vftable
@some_name = private unnamed_addr constant [2 x i8*] zeroinitializer, comdat($vftable)
@vftable = alias getelementptr([2 x i8*]* @some_name, i32 0, i32 1)
; CHECK: .section .text,"xr",discard,_f1

2
test/CodeGen/X86/coff-comdat2.ll
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@ -5,5 +5,5 @@ target triple = "i686-pc-windows-msvc"
$foo = comdat largest
@foo = global i32 0
@bar = global i32 0, comdat $foo
@bar = global i32 0, comdat($foo)
; CHECK: Associative COMDAT symbol 'foo' is not a key for its COMDAT.

2
test/CodeGen/X86/coff-comdat3.ll
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@ -4,5 +4,5 @@ target datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32"
target triple = "i686-pc-windows-msvc"
$foo = comdat largest
@bar = global i32 0, comdat $foo
@bar = global i32 0, comdat($foo)
; CHECK: Associative COMDAT symbol 'foo' does not exist.

4
test/CodeGen/X86/elf-comdat.ll
View File

@ -1,8 +1,8 @@
; RUN: llc -mtriple x86_64-pc-linux-gnu < %s | FileCheck %s
$f = comdat any
@v = global i32 0, comdat $f
define void @f() comdat $f {
@v = global i32 0, comdat($f)
define void @f() comdat($f) {
ret void
}
; CHECK: .section .text.f,"axG",@progbits,f,comdat

2
test/CodeGen/X86/elf-comdat2.ll
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@ -1,7 +1,7 @@
; RUN: llc -mtriple x86_64-pc-linux-gnu < %s | FileCheck %s
$foo = comdat any
@bar = global i32 42, comdat $foo
@bar = global i32 42, comdat($foo)
@foo = global i32 42
; CHECK: .type bar,@object

2
test/CodeGen/X86/macho-comdat.ll
View File

@ -2,5 +2,5 @@
; RUN: FileCheck < %t %s
$f = comdat any
@v = global i32 0, comdat $f
@v = global i32 0, comdat($f)
; CHECK: LLVM ERROR: MachO doesn't support COMDATs, 'f' cannot be lowered.

10
test/Feature/comdat.ll
View File

@ -6,16 +6,16 @@ $f = comdat any
$f2 = comdat any
; CHECK-NOT: f2
@v = global i32 0, comdat $f
; CHECK: @v = global i32 0, comdat $f
@v = global i32 0, comdat($f)
; CHECK: @v = global i32 0, comdat($f)
@a = alias i32* @v
; CHECK: @a = alias i32* @v{{$}}
define void @f() comdat $f {
define void @f() comdat($f) {
ret void
}
; CHECK: define void @f() comdat $f
; CHECK: define void @f() comdat {
$i = comdat largest
@i = internal global i32 0, comdat $i
@i = internal global i32 0, comdat($i)

2
test/Instrumentation/AddressSanitizer/do-not-touch-comdat-global.ll
View File

@ -5,7 +5,7 @@ target datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32"
target triple = "i686-pc-windows-msvc"
; no action should be taken for these globals
$global_noinst = comdat largest
@aliasee = private unnamed_addr constant [2 x i8] [i8 1, i8 2], comdat $global_noinst
@aliasee = private unnamed_addr constant [2 x i8] [i8 1, i8 2], comdat($global_noinst)
@global_noinst = unnamed_addr alias [2 x i8]* @aliasee
; CHECK-NOT: {{asan_gen.*global_noinst}}
; CHECK-DAG: @global_noinst = unnamed_addr alias [2 x i8]* @aliasee

12
test/Linker/Inputs/comdat.ll
View File

@ -2,19 +2,19 @@ target datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32"
target triple = "i686-pc-windows-msvc"
$foo = comdat largest
@foo = global i64 43, comdat $foo
@foo = global i64 43, comdat($foo)
define i32 @bar() comdat $foo {
define i32 @bar() comdat($foo) {
ret i32 43
}
$qux = comdat largest
@qux = global i32 13, comdat $qux
@in_unselected_group = global i32 13, comdat $qux
@qux = global i32 13, comdat($qux)
@in_unselected_group = global i32 13, comdat($qux)
define i32 @baz() comdat $qux {
define i32 @baz() comdat($qux) {
ret i32 13
}
$any = comdat any
@any = global i64 7, comdat $any
@any = global i64 7, comdat($any)

2
test/Linker/Inputs/comdat2.ll
View File

@ -1,2 +1,2 @@
$foo = comdat largest
@foo = global i64 43, comdat $foo
@foo = global i64 43, comdat($foo)

2
test/Linker/Inputs/comdat3.ll
View File

@ -1,2 +1,2 @@
$foo = comdat noduplicates
@foo = global i64 43, comdat $foo
@foo = global i64 43, comdat($foo)

2
test/Linker/Inputs/comdat4.ll
View File

@ -2,4 +2,4 @@ target datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32"
target triple = "i686-pc-windows-msvc"
$foo = comdat samesize
@foo = global i64 42, comdat $foo
@foo = global i64 42, comdat($foo)

2
test/Linker/Inputs/comdat5.ll
View File

@ -3,7 +3,7 @@ target datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32"
$foo = comdat largest
@zed = external constant i8
@some_name = private unnamed_addr constant [2 x i8*] [i8* @zed, i8* bitcast (void ()* @bar to i8*)], comdat $foo
@some_name = private unnamed_addr constant [2 x i8*] [i8* @zed, i8* bitcast (void ()* @bar to i8*)], comdat($foo)
@foo = alias getelementptr([2 x i8*]* @some_name, i32 0, i32 1)
declare void @bar() unnamed_addr

2
test/Linker/Inputs/comdat8.ll
View File

@ -1,4 +1,4 @@
$c1 = comdat largest
@some_name = private unnamed_addr constant i32 42, comdat $c1
@some_name = private unnamed_addr constant i32 42, comdat($c1)
@c1 = alias i32* @some_name

2
test/Linker/Inputs/visibility.ll
View File

@ -4,7 +4,7 @@ $c1 = comdat any
@v1 = weak hidden global i32 0
@v2 = weak protected global i32 0
@v3 = weak hidden global i32 0
@v4 = hidden global i32 1, comdat $c1
@v4 = hidden global i32 1, comdat($c1)
; Aliases
@a1 = weak hidden alias i32* @v1

20
test/Linker/comdat.ll
View File

@ -3,30 +3,30 @@ target datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32"
target triple = "i686-pc-windows-msvc"
$foo = comdat largest
@foo = global i32 42, comdat $foo
@foo = global i32 42, comdat($foo)
define i32 @bar() comdat $foo {
define i32 @bar() comdat($foo) {
ret i32 42
}
$qux = comdat largest
@qux = global i64 12, comdat $qux
@qux = global i64 12, comdat($qux)
define i32 @baz() comdat $qux {
define i32 @baz() comdat($qux) {
ret i32 12
}
$any = comdat any
@any = global i64 6, comdat $any
@any = global i64 6, comdat($any)
; CHECK: $qux = comdat largest
; CHECK: $foo = comdat largest
; CHECK: $any = comdat any
; CHECK: @qux = global i64 12, comdat $qux
; CHECK: @any = global i64 6, comdat $any
; CHECK: @foo = global i64 43, comdat $foo
; CHECK: @qux = global i64 12, comdat{{$}}
; CHECK: @any = global i64 6, comdat{{$}}
; CHECK: @foo = global i64 43, comdat{{$}}
; CHECK-NOT: @in_unselected_group = global i32 13, comdat $qux
; CHECK: define i32 @baz() comdat $qux
; CHECK: define i32 @bar() comdat $foo
; CHECK: define i32 @baz() comdat($qux)
; CHECK: define i32 @bar() comdat($foo)

2
test/Linker/comdat2.ll
View File

@ -3,5 +3,5 @@ target datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32"
target triple = "i686-pc-windows-msvc"
$foo = comdat samesize
@foo = global i32 42, comdat $foo
@foo = global i32 42, comdat($foo)
; CHECK: Linking COMDATs named 'foo': invalid selection kinds!

2
test/Linker/comdat3.ll
View File

@ -1,5 +1,5 @@
; RUN: not llvm-link %s %p/Inputs/comdat2.ll -S -o - 2>&1 | FileCheck %s
$foo = comdat largest
@foo = global i32 43, comdat $foo
@foo = global i32 43, comdat($foo)
; CHECK: Linking COMDATs named 'foo': can't do size dependent selection without DataLayout!

2
test/Linker/comdat4.ll
View File

@ -1,5 +1,5 @@
; RUN: not llvm-link %s %p/Inputs/comdat3.ll -S -o - 2>&1 | FileCheck %s
$foo = comdat noduplicates
@foo = global i64 43, comdat $foo
@foo = global i64 43, comdat($foo)
; CHECK: Linking COMDATs named 'foo': noduplicates has been violated!

2
test/Linker/comdat5.ll
View File

@ -3,5 +3,5 @@ target datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32"
target triple = "i686-pc-windows-msvc"
$foo = comdat samesize
@foo = global i32 42, comdat $foo
@foo = global i32 42, comdat($foo)
; CHECK: Linking COMDATs named 'foo': SameSize violated!

2
test/Linker/comdat6.ll
View File

@ -3,7 +3,7 @@
target datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32"
$foo = comdat largest
@foo = linkonce_odr unnamed_addr constant [1 x i8*] [i8* bitcast (void ()* @bar to i8*)], comdat $foo
@foo = linkonce_odr unnamed_addr constant [1 x i8*] [i8* bitcast (void ()* @bar to i8*)], comdat($foo)
; CHECK: @foo = alias getelementptr inbounds ([2 x i8*]* @some_name, i32 0, i32 1)

2
test/Linker/comdat7.ll
View File

@ -2,7 +2,7 @@
$c1 = comdat largest
define void @c1() comdat $c1 {
define void @c1() comdat($c1) {
ret void
}
; CHECK: GlobalVariable required for data dependent selection!

2
test/Linker/comdat8.ll
View File

@ -2,7 +2,7 @@
$c1 = comdat largest
@some_name = private unnamed_addr constant i32 42, comdat $c1
@some_name = private unnamed_addr constant i32 42, comdat($c1)
@c1 = alias i8* inttoptr (i32 ptrtoint (i32* @some_name to i32) to i8*)
; CHECK: COMDAT key involves incomputable alias size.

8
test/Linker/comdat9.ll
View File

@ -2,18 +2,18 @@
$c = comdat any
@a = alias void ()* @f
define internal void @f() comdat $c {
define internal void @f() comdat($c) {
ret void
}
; CHECK-DAG: $c = comdat any
; CHECK-DAG: @a = alias void ()* @f
; CHECK-DAG: define internal void @f() comdat $c
; CHECK-DAG: define internal void @f() comdat($c)
$f2 = comdat largest
define internal void @f2() comdat $f2 {
define internal void @f2() comdat($f2) {
ret void
}
; CHECK-DAG: $f2 = comdat largest
; CHECK-DAG: define internal void @f2() comdat $f2
; CHECK-DAG: define internal void @f2() comdat {

4
test/Linker/constructor-comdat.ll
View File

@ -7,7 +7,7 @@ $_ZN3fooIiEC5Ev = comdat any
@_ZN3fooIiEC1Ev = weak_odr alias void ()* @_ZN3fooIiEC2Ev
; CHECK: @_ZN3fooIiEC1Ev = weak_odr alias void ()* @_ZN3fooIiEC2Ev
; CHECK: define weak_odr void @_ZN3fooIiEC2Ev() comdat $_ZN3fooIiEC5Ev {
define weak_odr void @_ZN3fooIiEC2Ev() comdat $_ZN3fooIiEC5Ev {
; CHECK: define weak_odr void @_ZN3fooIiEC2Ev() comdat($_ZN3fooIiEC5Ev) {
define weak_odr void @_ZN3fooIiEC2Ev() comdat($_ZN3fooIiEC5Ev) {
ret void
}

4
test/Linker/visibility.ll
View File

@ -17,8 +17,8 @@ $c1 = comdat any
; CHECK-DAG: @v3 = hidden global i32 0
@v3 = protected global i32 0
; CHECK-DAG: @v4 = hidden global i32 1, comdat $c1
@v4 = global i32 1, comdat $c1
; CHECK-DAG: @v4 = hidden global i32 1, comdat($c1)
@v4 = global i32 1, comdat($c1)
; Aliases
; CHECK: @a1 = hidden alias i32* @v1

4
test/Transforms/GlobalDCE/pr20981.ll
View File

@ -6,10 +6,10 @@ $c1 = comdat any
@a1 = linkonce_odr alias void ()* @f1
; CHECK: @a1 = linkonce_odr alias void ()* @f1
define linkonce_odr void @f1() comdat $c1 {
define linkonce_odr void @f1() comdat($c1) {
ret void
}
; CHECK: define linkonce_odr void @f1() comdat $c1
; CHECK: define linkonce_odr void @f1() comdat($c1)
define void @g() {
call void @f1()

8
test/Transforms/GlobalOpt/pr21191.ll
View File

@ -3,15 +3,15 @@
$c = comdat any
; CHECK: $c = comdat any
define linkonce_odr void @foo() comdat $c {
define linkonce_odr void @foo() comdat($c) {
ret void
}
; CHECK: define linkonce_odr void @foo() comdat $c
; CHECK: define linkonce_odr void @foo() comdat($c)
define linkonce_odr void @bar() comdat $c {
define linkonce_odr void @bar() comdat($c) {
ret void
}
; CHECK: define linkonce_odr void @bar() comdat $c
; CHECK: define linkonce_odr void @bar() comdat($c)
define void @zed() {
call void @foo()

6
test/Transforms/GlobalOpt/preserve-comdats.ll
View File

@ -2,9 +2,9 @@
$comdat_global = comdat any
@comdat_global = weak_odr global i8 0, comdat $comdat_global
@comdat_global = weak_odr global i8 0, comdat($comdat_global)
@simple_global = internal global i8 0
; CHECK: @comdat_global = weak_odr global i8 0, comdat $comdat_global
; CHECK: @comdat_global = weak_odr global i8 0, comdat{{$}}
; CHECK: @simple_global = internal global i8 42
@llvm.global_ctors = appending global [2 x { i32, void ()*, i8* }] [
@ -20,7 +20,7 @@ define void @init_comdat_global() {
}
; CHECK: define void @init_comdat_global()
define internal void @init_simple_global() comdat $comdat_global {
define internal void @init_simple_global() comdat($comdat_global) {
store i8 42, i8* @simple_global
ret void
}

8
test/Transforms/Inline/pr21206.ll
View File

@ -3,15 +3,15 @@
$c = comdat any
; CHECK: $c = comdat any
define linkonce_odr void @foo() comdat $c {
define linkonce_odr void @foo() comdat($c) {
ret void
}
; CHECK: define linkonce_odr void @foo() comdat $c
; CHECK: define linkonce_odr void @foo() comdat($c)
define linkonce_odr void @bar() comdat $c {
define linkonce_odr void @bar() comdat($c) {
ret void
}
; CHECK: define linkonce_odr void @bar() comdat $c
; CHECK: define linkonce_odr void @bar() comdat($c)
define void()* @zed() {
ret void()* @foo

2
test/Verifier/comdat.ll
View File

@ -1,5 +1,5 @@
; RUN: not llvm-as %s -o /dev/null 2>&1 | FileCheck %s
$v = comdat any
@v = common global i32 0, comdat $v
@v = common global i32 0, comdat($v)
; CHECK: 'common' global may not be in a Comdat!

2
test/Verifier/comdat2.ll
View File

@ -1,5 +1,5 @@
; RUN: not llvm-as %s -o /dev/null 2>&1 | FileCheck %s
$v = comdat any
@v = private global i32 0, comdat $v
@v = private global i32 0, comdat($v)
; CHECK: comdat global value has private linkage

4
test/tools/gold/Inputs/comdat.ll
View File

@ -1,7 +1,7 @@
$c2 = comdat any
@v1 = weak_odr global i32 41, comdat $c2
define weak_odr protected i32 @f1(i8* %this) comdat $c2 {
@v1 = weak_odr global i32 41, comdat($c2)
define weak_odr protected i32 @f1(i8* %this) comdat($c2) {
bb20:
store i8* %this, i8** null
br label %bb21

12
test/tools/gold/comdat.ll
View File

@ -6,8 +6,8 @@
$c1 = comdat any
@v1 = weak_odr global i32 42, comdat $c1
define weak_odr i32 @f1(i8*) comdat $c1 {
@v1 = weak_odr global i32 42, comdat($c1)
define weak_odr i32 @f1(i8*) comdat($c1) {
bb10:
br label %bb11
bb11:
@ -27,7 +27,7 @@ bb11:
; CHECK: $c1 = comdat any
; CHECK: $c2 = comdat any
; CHECK: @v1 = weak_odr global i32 42, comdat $c1
; CHECK: @v1 = weak_odr global i32 42, comdat($c1)
; CHECK: @r11 = global i32* @v1{{$}}
; CHECK: @r12 = global i32 (i8*)* @f1{{$}}
@ -35,7 +35,7 @@ bb11:
; CHECK: @r21 = global i32* @v1{{$}}
; CHECK: @r22 = global i32 (i8*)* @f1{{$}}
; CHECK: @v11 = internal global i32 41, comdat $c2
; CHECK: @v11 = internal global i32 41, comdat($c2)
; CHECK: @a11 = alias i32* @v1{{$}}
; CHECK: @a12 = alias bitcast (i32* @v1 to i16*)
@ -49,14 +49,14 @@ bb11:
; CHECK: @a23 = alias i32 (i8*)* @f12{{$}}
; CHECK: @a24 = alias bitcast (i32 (i8*)* @f12 to i16*)
; CHECK: define weak_odr protected i32 @f1(i8*) comdat $c1 {
; CHECK: define weak_odr protected i32 @f1(i8*) comdat($c1) {
; CHECK-NEXT: bb10:
; CHECK-NEXT: br label %bb11{{$}}
; CHECK: bb11:
; CHECK-NEXT: ret i32 42
; CHECK-NEXT: }
; CHECK: define internal i32 @f12(i8* %this) comdat $c2 {
; CHECK: define internal i32 @f12(i8* %this) comdat($c2) {
; CHECK-NEXT: bb20:
; CHECK-NEXT: store i8* %this, i8** null
; CHECK-NEXT: br label %bb21