[llvm-commits] [llvm] r167904 - in /llvm/trunk: include/llvm/CodeGen/ include/llvm/Target/ lib/CodeGen/ lib/CodeGen/AsmPrinter/ lib/Target/ lib/Target/ARM/ lib/Target/X86/ test/CodeGen/ARM/
Anton Korobeynikov
asl at math.spbu.ru
Tue Nov 13 17:47:01 PST 2012
Author: asl
Date: Tue Nov 13 19:47:00 2012
New Revision: 167904
URL: http://llvm.org/viewvc/llvm-project?rev=167904&view=rev
Log:
Use TARGET2 relocation for TType references on ARM.
Do some cleanup of the code while here.
Inspired by patch by Logan Chien!
Added:
llvm/trunk/test/CodeGen/ARM/arm-ttype-target2.ll
Modified:
llvm/trunk/include/llvm/CodeGen/AsmPrinter.h
llvm/trunk/include/llvm/CodeGen/TargetLoweringObjectFileImpl.h
llvm/trunk/include/llvm/Target/TargetLoweringObjectFile.h
llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp
llvm/trunk/lib/CodeGen/AsmPrinter/DwarfException.cpp
llvm/trunk/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
llvm/trunk/lib/Target/ARM/ARMTargetObjectFile.cpp
llvm/trunk/lib/Target/ARM/ARMTargetObjectFile.h
llvm/trunk/lib/Target/TargetLoweringObjectFile.cpp
llvm/trunk/lib/Target/X86/X86TargetObjectFile.cpp
llvm/trunk/lib/Target/X86/X86TargetObjectFile.h
Modified: llvm/trunk/include/llvm/CodeGen/AsmPrinter.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/AsmPrinter.h?rev=167904&r1=167903&r2=167904&view=diff
==============================================================================
--- llvm/trunk/include/llvm/CodeGen/AsmPrinter.h (original)
+++ llvm/trunk/include/llvm/CodeGen/AsmPrinter.h Tue Nov 13 19:47:00 2012
@@ -385,10 +385,8 @@
/// GetSizeOfEncodedValue - Return the size of the encoding in bytes.
unsigned GetSizeOfEncodedValue(unsigned Encoding) const;
- /// EmitReference - Emit a reference to a label with a specified encoding.
- ///
- void EmitReference(const MCSymbol *Sym, unsigned Encoding) const;
- void EmitReference(const GlobalValue *GV, unsigned Encoding) const;
+ /// EmitReference - Emit reference to a ttype global with a specified encoding.
+ void EmitTTypeReference(const GlobalValue *GV, unsigned Encoding) const;
/// EmitSectionOffset - Emit the 4-byte offset of Label from the start of
/// its section. This can be done with a special directive if the target
Modified: llvm/trunk/include/llvm/CodeGen/TargetLoweringObjectFileImpl.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/TargetLoweringObjectFileImpl.h?rev=167904&r1=167903&r2=167904&view=diff
==============================================================================
--- llvm/trunk/include/llvm/CodeGen/TargetLoweringObjectFileImpl.h (original)
+++ llvm/trunk/include/llvm/CodeGen/TargetLoweringObjectFileImpl.h Tue Nov 13 19:47:00 2012
@@ -57,11 +57,10 @@
/// getExprForDwarfGlobalReference - Return an MCExpr to use for a reference
/// to the specified global variable from exception handling information.
- ///
virtual const MCExpr *
- getExprForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
- MachineModuleInfo *MMI, unsigned Encoding,
- MCStreamer &Streamer) const;
+ getTTypeGlobalReference(const GlobalValue *GV, Mangler *Mang,
+ MachineModuleInfo *MMI, unsigned Encoding,
+ MCStreamer &Streamer) const;
// getCFIPersonalitySymbol - The symbol that gets passed to .cfi_personality.
virtual MCSymbol *
@@ -103,12 +102,12 @@
virtual bool shouldEmitUsedDirectiveFor(const GlobalValue *GV,
Mangler *) const;
- /// getExprForDwarfGlobalReference - The mach-o version of this method
+ /// getTTypeGlobalReference - The mach-o version of this method
/// defaults to returning a stub reference.
virtual const MCExpr *
- getExprForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
- MachineModuleInfo *MMI, unsigned Encoding,
- MCStreamer &Streamer) const;
+ getTTypeGlobalReference(const GlobalValue *GV, Mangler *Mang,
+ MachineModuleInfo *MMI, unsigned Encoding,
+ MCStreamer &Streamer) const;
// getCFIPersonalitySymbol - The symbol that gets passed to .cfi_personality.
virtual MCSymbol *
Modified: llvm/trunk/include/llvm/Target/TargetLoweringObjectFile.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Target/TargetLoweringObjectFile.h?rev=167904&r1=167903&r2=167904&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Target/TargetLoweringObjectFile.h (original)
+++ llvm/trunk/include/llvm/Target/TargetLoweringObjectFile.h Tue Nov 13 19:47:00 2012
@@ -27,6 +27,7 @@
class MCExpr;
class MCSection;
class MCSymbol;
+ class MCSymbolRefExpr;
class MCStreamer;
class GlobalValue;
class TargetMachine;
@@ -108,13 +109,13 @@
return 0;
}
- /// getExprForDwarfGlobalReference - Return an MCExpr to use for a reference
+ /// getTTypeGlobalReference - Return an MCExpr to use for a reference
/// to the specified global variable from exception handling information.
///
virtual const MCExpr *
- getExprForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
- MachineModuleInfo *MMI, unsigned Encoding,
- MCStreamer &Streamer) const;
+ getTTypeGlobalReference(const GlobalValue *GV, Mangler *Mang,
+ MachineModuleInfo *MMI, unsigned Encoding,
+ MCStreamer &Streamer) const;
// getCFIPersonalitySymbol - The symbol that gets passed to .cfi_personality.
virtual MCSymbol *
@@ -123,8 +124,8 @@
///
const MCExpr *
- getExprForDwarfReference(const MCSymbol *Sym, unsigned Encoding,
- MCStreamer &Streamer) const;
+ getTTypeReference(const MCSymbolRefExpr *Sym, unsigned Encoding,
+ MCStreamer &Streamer) const;
virtual const MCSection *
getStaticCtorSection(unsigned Priority = 65535) const {
Modified: llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp?rev=167904&r1=167903&r2=167904&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp Tue Nov 13 19:47:00 2012
@@ -119,19 +119,11 @@
}
}
-void AsmPrinter::EmitReference(const MCSymbol *Sym, unsigned Encoding) const {
+void AsmPrinter::EmitTTypeReference(const GlobalValue *GV, unsigned Encoding)const{
const TargetLoweringObjectFile &TLOF = getObjFileLowering();
const MCExpr *Exp =
- TLOF.getExprForDwarfReference(Sym, Encoding, OutStreamer);
- OutStreamer.EmitAbsValue(Exp, GetSizeOfEncodedValue(Encoding));
-}
-
-void AsmPrinter::EmitReference(const GlobalValue *GV, unsigned Encoding)const{
- const TargetLoweringObjectFile &TLOF = getObjFileLowering();
-
- const MCExpr *Exp =
- TLOF.getExprForDwarfGlobalReference(GV, Mang, MMI, Encoding, OutStreamer);
+ TLOF.getTTypeGlobalReference(GV, Mang, MMI, Encoding, OutStreamer);
OutStreamer.EmitValue(Exp, GetSizeOfEncodedValue(Encoding), /*addrspace*/0);
}
Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfException.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfException.cpp?rev=167904&r1=167903&r2=167904&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfException.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfException.cpp Tue Nov 13 19:47:00 2012
@@ -685,7 +685,7 @@
if (VerboseAsm)
Asm->OutStreamer.AddComment("TypeInfo " + Twine(Entry--));
if (GV)
- Asm->EmitReference(GV, TTypeEncoding);
+ Asm->EmitTTypeReference(GV, TTypeEncoding);
else
Asm->OutStreamer.EmitIntValue(0,Asm->GetSizeOfEncodedValue(TTypeEncoding),
0);
Modified: llvm/trunk/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/TargetLoweringObjectFileImpl.cpp?rev=167904&r1=167903&r2=167904&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/TargetLoweringObjectFileImpl.cpp (original)
+++ llvm/trunk/lib/CodeGen/TargetLoweringObjectFileImpl.cpp Tue Nov 13 19:47:00 2012
@@ -88,6 +88,36 @@
Streamer.EmitSymbolValue(Sym, Size);
}
+const MCExpr *TargetLoweringObjectFileELF::
+getTTypeGlobalReference(const GlobalValue *GV, Mangler *Mang,
+ MachineModuleInfo *MMI, unsigned Encoding,
+ MCStreamer &Streamer) const {
+
+ if (Encoding & dwarf::DW_EH_PE_indirect) {
+ MachineModuleInfoELF &ELFMMI = MMI->getObjFileInfo<MachineModuleInfoELF>();
+
+ SmallString<128> Name;
+ Mang->getNameWithPrefix(Name, GV, true);
+ Name += ".DW.stub";
+
+ // Add information about the stub reference to ELFMMI so that the stub
+ // gets emitted by the asmprinter.
+ MCSymbol *SSym = getContext().GetOrCreateSymbol(Name.str());
+ MachineModuleInfoImpl::StubValueTy &StubSym = ELFMMI.getGVStubEntry(SSym);
+ if (StubSym.getPointer() == 0) {
+ MCSymbol *Sym = Mang->getSymbol(GV);
+ StubSym = MachineModuleInfoImpl::StubValueTy(Sym, !GV->hasLocalLinkage());
+ }
+
+ return TargetLoweringObjectFile::
+ getTTypeReference(MCSymbolRefExpr::Create(SSym, getContext()),
+ Encoding & ~dwarf::DW_EH_PE_indirect, Streamer);
+ }
+
+ return TargetLoweringObjectFile::
+ getTTypeGlobalReference(GV, Mang, MMI, Encoding, Streamer);
+}
+
static SectionKind
getELFKindForNamedSection(StringRef Name, SectionKind K) {
// N.B.: The defaults used in here are no the same ones used in MC.
@@ -314,35 +344,6 @@
return DataRelROSection;
}
-const MCExpr *TargetLoweringObjectFileELF::
-getExprForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
- MachineModuleInfo *MMI,
- unsigned Encoding, MCStreamer &Streamer) const {
-
- if (Encoding & dwarf::DW_EH_PE_indirect) {
- MachineModuleInfoELF &ELFMMI = MMI->getObjFileInfo<MachineModuleInfoELF>();
-
- SmallString<128> Name;
- Mang->getNameWithPrefix(Name, GV, true);
- Name += ".DW.stub";
-
- // Add information about the stub reference to ELFMMI so that the stub
- // gets emitted by the asmprinter.
- MCSymbol *SSym = getContext().GetOrCreateSymbol(Name.str());
- MachineModuleInfoImpl::StubValueTy &StubSym = ELFMMI.getGVStubEntry(SSym);
- if (StubSym.getPointer() == 0) {
- MCSymbol *Sym = Mang->getSymbol(GV);
- StubSym = MachineModuleInfoImpl::StubValueTy(Sym, !GV->hasLocalLinkage());
- }
-
- return TargetLoweringObjectFile::
- getExprForDwarfReference(SSym, Encoding & ~dwarf::DW_EH_PE_indirect, Streamer);
- }
-
- return TargetLoweringObjectFile::
- getExprForDwarfGlobalReference(GV, Mang, MMI, Encoding, Streamer);
-}
-
const MCSection *
TargetLoweringObjectFileELF::getStaticCtorSection(unsigned Priority) const {
// The default scheme is .ctor / .dtor, so we have to invert the priority
@@ -604,9 +605,9 @@
}
const MCExpr *TargetLoweringObjectFileMachO::
-getExprForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
- MachineModuleInfo *MMI, unsigned Encoding,
- MCStreamer &Streamer) const {
+getTTypeGlobalReference(const GlobalValue *GV, Mangler *Mang,
+ MachineModuleInfo *MMI, unsigned Encoding,
+ MCStreamer &Streamer) const {
// The mach-o version of this method defaults to returning a stub reference.
if (Encoding & DW_EH_PE_indirect) {
@@ -629,11 +630,12 @@
}
return TargetLoweringObjectFile::
- getExprForDwarfReference(SSym, Encoding & ~dwarf::DW_EH_PE_indirect, Streamer);
+ getTTypeReference(MCSymbolRefExpr::Create(SSym, getContext()),
+ Encoding & ~dwarf::DW_EH_PE_indirect, Streamer);
}
return TargetLoweringObjectFile::
- getExprForDwarfGlobalReference(GV, Mang, MMI, Encoding, Streamer);
+ getTTypeGlobalReference(GV, Mang, MMI, Encoding, Streamer);
}
MCSymbol *TargetLoweringObjectFileMachO::
Modified: llvm/trunk/lib/Target/ARM/ARMTargetObjectFile.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMTargetObjectFile.cpp?rev=167904&r1=167903&r2=167904&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMTargetObjectFile.cpp (original)
+++ llvm/trunk/lib/Target/ARM/ARMTargetObjectFile.cpp Tue Nov 13 19:47:00 2012
@@ -10,10 +10,12 @@
#include "ARMTargetObjectFile.h"
#include "ARMSubtarget.h"
#include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCSectionELF.h"
+#include "llvm/Target/Mangler.h"
+#include "llvm/Target/TargetMachine.h"
#include "llvm/Support/Dwarf.h"
#include "llvm/Support/ELF.h"
-#include "llvm/Target/TargetMachine.h"
#include "llvm/ADT/StringExtras.h"
using namespace llvm;
using namespace dwarf;
@@ -38,3 +40,14 @@
0,
SectionKind::getMetadata());
}
+
+const MCExpr *ARMElfTargetObjectFile::
+getTTypeGlobalReference(const GlobalValue *GV, Mangler *Mang,
+ MachineModuleInfo *MMI, unsigned Encoding,
+ MCStreamer &Streamer) const {
+ assert(Encoding == DW_EH_PE_absptr && "Can handle absptr encoding only");
+
+ return MCSymbolRefExpr::Create(Mang->getSymbol(GV),
+ MCSymbolRefExpr::VK_ARM_TARGET2,
+ getContext());
+}
Modified: llvm/trunk/lib/Target/ARM/ARMTargetObjectFile.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMTargetObjectFile.h?rev=167904&r1=167903&r2=167904&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMTargetObjectFile.h (original)
+++ llvm/trunk/lib/Target/ARM/ARMTargetObjectFile.h Tue Nov 13 19:47:00 2012
@@ -28,6 +28,11 @@
virtual void Initialize(MCContext &Ctx, const TargetMachine &TM);
+ const MCExpr *
+ getTTypeGlobalReference(const GlobalValue *GV, Mangler *Mang,
+ MachineModuleInfo *MMI, unsigned Encoding,
+ MCStreamer &Streamer) const;
+
virtual const MCSection *getAttributesSection() const {
return AttributesSection;
}
Modified: llvm/trunk/lib/Target/TargetLoweringObjectFile.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/TargetLoweringObjectFile.cpp?rev=167904&r1=167903&r2=167904&view=diff
==============================================================================
--- llvm/trunk/lib/Target/TargetLoweringObjectFile.cpp (original)
+++ llvm/trunk/lib/Target/TargetLoweringObjectFile.cpp Tue Nov 13 19:47:00 2012
@@ -285,35 +285,35 @@
return DataSection;
}
-/// getExprForDwarfGlobalReference - Return an MCExpr to use for a
+/// getTTypeGlobalReference - Return an MCExpr to use for a
/// reference to the specified global variable from exception
/// handling information.
const MCExpr *TargetLoweringObjectFile::
-getExprForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
- MachineModuleInfo *MMI, unsigned Encoding,
- MCStreamer &Streamer) const {
- const MCSymbol *Sym = Mang->getSymbol(GV);
- return getExprForDwarfReference(Sym, Encoding, Streamer);
+getTTypeGlobalReference(const GlobalValue *GV, Mangler *Mang,
+ MachineModuleInfo *MMI, unsigned Encoding,
+ MCStreamer &Streamer) const {
+ const MCSymbolRefExpr *Ref =
+ MCSymbolRefExpr::Create(Mang->getSymbol(GV), getContext());
+
+ return getTTypeReference(Ref, Encoding, Streamer);
}
const MCExpr *TargetLoweringObjectFile::
-getExprForDwarfReference(const MCSymbol *Sym, unsigned Encoding,
- MCStreamer &Streamer) const {
- const MCExpr *Res = MCSymbolRefExpr::Create(Sym, getContext());
-
+getTTypeReference(const MCSymbolRefExpr *Sym, unsigned Encoding,
+ MCStreamer &Streamer) const {
switch (Encoding & 0x70) {
default:
report_fatal_error("We do not support this DWARF encoding yet!");
case dwarf::DW_EH_PE_absptr:
// Do nothing special
- return Res;
+ return Sym;
case dwarf::DW_EH_PE_pcrel: {
// Emit a label to the streamer for the current position. This gives us
// .-foo addressing.
MCSymbol *PCSym = getContext().CreateTempSymbol();
Streamer.EmitLabel(PCSym);
const MCExpr *PC = MCSymbolRefExpr::Create(PCSym, getContext());
- return MCBinaryExpr::CreateSub(Res, PC, getContext());
+ return MCBinaryExpr::CreateSub(Sym, PC, getContext());
}
}
}
Modified: llvm/trunk/lib/Target/X86/X86TargetObjectFile.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86TargetObjectFile.cpp?rev=167904&r1=167903&r2=167904&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86TargetObjectFile.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86TargetObjectFile.cpp Tue Nov 13 19:47:00 2012
@@ -22,9 +22,9 @@
using namespace dwarf;
const MCExpr *X86_64MachoTargetObjectFile::
-getExprForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
- MachineModuleInfo *MMI, unsigned Encoding,
- MCStreamer &Streamer) const {
+getTTypeGlobalReference(const GlobalValue *GV, Mangler *Mang,
+ MachineModuleInfo *MMI, unsigned Encoding,
+ MCStreamer &Streamer) const {
// On Darwin/X86-64, we can reference dwarf symbols with foo at GOTPCREL+4, which
// is an indirect pc-relative reference.
@@ -37,7 +37,7 @@
}
return TargetLoweringObjectFileMachO::
- getExprForDwarfGlobalReference(GV, Mang, MMI, Encoding, Streamer);
+ getTTypeGlobalReference(GV, Mang, MMI, Encoding, Streamer);
}
MCSymbol *X86_64MachoTargetObjectFile::
Modified: llvm/trunk/lib/Target/X86/X86TargetObjectFile.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86TargetObjectFile.h?rev=167904&r1=167903&r2=167904&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86TargetObjectFile.h (original)
+++ llvm/trunk/lib/Target/X86/X86TargetObjectFile.h Tue Nov 13 19:47:00 2012
@@ -21,9 +21,9 @@
class X86_64MachoTargetObjectFile : public TargetLoweringObjectFileMachO {
public:
virtual const MCExpr *
- getExprForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
- MachineModuleInfo *MMI, unsigned Encoding,
- MCStreamer &Streamer) const;
+ getTTypeGlobalReference(const GlobalValue *GV, Mangler *Mang,
+ MachineModuleInfo *MMI, unsigned Encoding,
+ MCStreamer &Streamer) const;
// getCFIPersonalitySymbol - The symbol that gets passed to
// .cfi_personality.
Added: llvm/trunk/test/CodeGen/ARM/arm-ttype-target2.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/arm-ttype-target2.ll?rev=167904&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/arm-ttype-target2.ll (added)
+++ llvm/trunk/test/CodeGen/ARM/arm-ttype-target2.ll Tue Nov 13 19:47:00 2012
@@ -0,0 +1,44 @@
+; RUN: llc -mtriple=armv7-none-linux-gnueabi -arm-enable-ehabi -arm-enable-ehabi-descriptors < %s | FileCheck %s
+
+ at _ZTVN10__cxxabiv117__class_type_infoE = external global i8*
+ at _ZTS3Foo = linkonce_odr constant [5 x i8] c"3Foo\00"
+ at _ZTI3Foo = linkonce_odr unnamed_addr constant { i8*, i8* } { i8* bitcast (i8** getelementptr inbounds (i8** @_ZTVN10__cxxabiv117__class_type_infoE, i32 2) to i8*), i8* getelementptr inbounds ([5 x i8]* @_ZTS3Foo, i32 0, i32 0) }
+
+define i32 @main() {
+entry:
+ invoke void @_Z3foov()
+ to label %return unwind label %lpad
+
+lpad: ; preds = %entry
+ %0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
+ catch i8* bitcast ({ i8*, i8* }* @_ZTI3Foo to i8*)
+ %1 = extractvalue { i8*, i32 } %0, 1
+ %2 = tail call i32 @llvm.eh.typeid.for(i8* bitcast ({ i8*, i8* }* @_ZTI3Foo to i8*)) nounwind
+; CHECK: _ZTI3Foo(target2)
+
+ %matches = icmp eq i32 %1, %2
+ br i1 %matches, label %catch, label %eh.resume
+
+catch: ; preds = %lpad
+ %3 = extractvalue { i8*, i32 } %0, 0
+ %4 = tail call i8* @__cxa_begin_catch(i8* %3) nounwind
+ tail call void @__cxa_end_catch()
+ br label %return
+
+return: ; preds = %entry, %catch
+ %retval.0 = phi i32 [ 1, %catch ], [ 0, %entry ]
+ ret i32 %retval.0
+
+eh.resume: ; preds = %lpad
+ resume { i8*, i32 } %0
+}
+
+declare void @_Z3foov()
+
+declare i32 @__gxx_personality_v0(...)
+
+declare i32 @llvm.eh.typeid.for(i8*) nounwind readnone
+
+declare i8* @__cxa_begin_catch(i8*)
+
+declare void @__cxa_end_catch()
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