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[DWARF] Rename getDwarf5OrGNUCallSite{Attr,Tag}, NFC

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llvm-svn: 369967
This commit is contained in:
Vedant Kumar 2019-08-26 20:53:34 +00:00
parent e7debb3eeb
commit 8a5afa825a
3 changed files with 17 additions and 23 deletions
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26
lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
View File

@ -897,7 +897,7 @@ static bool useGNUAnalogForDwarf5Feature(DwarfDebug *DD) {
return DD->getDwarfVersion() == 4 && DD->tuneForGDB();
}
dwarf::Tag DwarfCompileUnit::getDwarf5OrGNUCallSiteTag(dwarf::Tag Tag) const {
dwarf::Tag DwarfCompileUnit::getDwarf5OrGNUTag(dwarf::Tag Tag) const {
if (!useGNUAnalogForDwarf5Feature(DD))
return Tag;
switch (Tag) {
@ -906,12 +906,12 @@ dwarf::Tag DwarfCompileUnit::getDwarf5OrGNUCallSiteTag(dwarf::Tag Tag) const {
case dwarf::DW_TAG_call_site_parameter:
return dwarf::DW_TAG_GNU_call_site_parameter;
default:
llvm_unreachable("unhandled call site tag");
llvm_unreachable("DWARF5 tag with no GNU analog");
}
}
dwarf::Attribute
DwarfCompileUnit::getDwarf5OrGNUCallSiteAttr(dwarf::Attribute Attr) const {
DwarfCompileUnit::getDwarf5OrGNUAttr(dwarf::Attribute Attr) const {
if (!useGNUAnalogForDwarf5Feature(DD))
return Attr;
switch (Attr) {
@ -928,7 +928,7 @@ DwarfCompileUnit::getDwarf5OrGNUCallSiteAttr(dwarf::Attribute Attr) const {
case dwarf::DW_AT_call_tail_call:
return dwarf::DW_AT_GNU_tail_call;
default:
llvm_unreachable("unhandled call site attribute");
llvm_unreachable("DWARF5 attribute with no GNU analog");
}
}
@ -948,26 +948,23 @@ DIE &DwarfCompileUnit::constructCallSiteEntryDIE(
DIE &ScopeDIE, const DISubprogram *CalleeSP, bool IsTail,
const MCSymbol *PCAddr, const MCExpr *PCOffset, unsigned CallReg) {
// Insert a call site entry DIE within ScopeDIE.
DIE &CallSiteDIE = createAndAddDIE(
getDwarf5OrGNUCallSiteTag(dwarf::DW_TAG_call_site), ScopeDIE, nullptr);
DIE &CallSiteDIE = createAndAddDIE(getDwarf5OrGNUTag(dwarf::DW_TAG_call_site),
ScopeDIE, nullptr);
if (CallReg) {
// Indirect call.
addAddress(CallSiteDIE,
getDwarf5OrGNUCallSiteAttr(dwarf::DW_AT_call_target),
addAddress(CallSiteDIE, getDwarf5OrGNUAttr(dwarf::DW_AT_call_target),
MachineLocation(CallReg));
} else {
DIE *CalleeDIE = getOrCreateSubprogramDIE(CalleeSP);
assert(CalleeDIE && "Could not create DIE for call site entry origin");
addDIEEntry(CallSiteDIE,
getDwarf5OrGNUCallSiteAttr(dwarf::DW_AT_call_origin),
addDIEEntry(CallSiteDIE, getDwarf5OrGNUAttr(dwarf::DW_AT_call_origin),
*CalleeDIE);
}
if (IsTail)
// Attach DW_AT_call_tail_call to tail calls for standards compliance.
addFlag(CallSiteDIE,
getDwarf5OrGNUCallSiteAttr(dwarf::DW_AT_call_tail_call));
addFlag(CallSiteDIE, getDwarf5OrGNUAttr(dwarf::DW_AT_call_tail_call));
// Attach the return PC to allow the debugger to disambiguate call paths
// from one function to another.
@ -988,7 +985,7 @@ void DwarfCompileUnit::constructCallSiteParmEntryDIEs(
unsigned Register = Param.getRegister();
auto CallSiteDieParam =
DIE::get(DIEValueAllocator,
getDwarf5OrGNUCallSiteTag(dwarf::DW_TAG_call_site_parameter));
getDwarf5OrGNUTag(dwarf::DW_TAG_call_site_parameter));
insertDIE(CallSiteDieParam);
addAddress(*CallSiteDieParam, dwarf::DW_AT_location,
MachineLocation(Register));
@ -999,8 +996,7 @@ void DwarfCompileUnit::constructCallSiteParmEntryDIEs(
DwarfDebug::emitDebugLocValue(*Asm, nullptr, Param.getValue(), DwarfExpr);
addBlock(*CallSiteDieParam,
getDwarf5OrGNUCallSiteAttr(dwarf::DW_AT_call_value),
addBlock(*CallSiteDieParam, getDwarf5OrGNUAttr(dwarf::DW_AT_call_value),
DwarfExpr.finalize());
CallSiteDIE.addChild(CallSiteDieParam);

11
lib/CodeGen/AsmPrinter/DwarfCompileUnit.h
View File

@ -227,12 +227,11 @@ public:
void constructAbstractSubprogramScopeDIE(LexicalScope *Scope);
/// This takes the official DWARF 5 tag and returns the appropriate
/// GNU tag if needed.
dwarf::Tag getDwarf5OrGNUCallSiteTag(dwarf::Tag Tag) const;
/// This takes the official DWARF 5 attribute and returns the appropriate
/// GNU attribute if needed.
dwarf::Attribute getDwarf5OrGNUCallSiteAttr(dwarf::Attribute Attr) const;
/// This takes a DWARF 5 tag and returns it or a GNU analog.
dwarf::Tag getDwarf5OrGNUTag(dwarf::Tag Tag) const;
/// This takes a DWARF 5 attribute and returns it or a GNU analog.
dwarf::Attribute getDwarf5OrGNUAttr(dwarf::Attribute Attr) const;
/// This takes a DWARF 5 location atom and either returns it or a GNU analog.
dwarf::LocationAtom getDwarf5OrGNULocationAtom(dwarf::LocationAtom Loc) const;

3
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
View File

@ -709,8 +709,7 @@ void DwarfDebug::constructCallSiteEntryDIEs(const DISubprogram &SP,
// for both tail and non-tail calls. Don't use DW_AT_call_all_source_calls
// because one of its requirements is not met: call site entries for
// optimized-out calls are elided.
CU.addFlag(ScopeDIE,
CU.getDwarf5OrGNUCallSiteAttr(dwarf::DW_AT_call_all_calls));
CU.addFlag(ScopeDIE, CU.getDwarf5OrGNUAttr(dwarf::DW_AT_call_all_calls));
const TargetInstrInfo *TII = MF.getSubtarget().getInstrInfo();
assert(TII && "TargetInstrInfo not found: cannot label tail calls");