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simplify some code.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100350 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2010-04-04 20:10:41 +00:00
parent ca6190b108
commit 9be4913136
3 changed files with 25 additions and 21 deletions
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21
lib/CodeGen/AsmPrinter/DwarfException.cpp
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@ -354,7 +354,7 @@ ComputeActionsTable(const SmallVectorImpl<const LandingPadInfo*> &LandingPads,
I = LandingPads.begin(), E = LandingPads.end(); I != E; ++I) {
const LandingPadInfo *LPI = *I;
const std::vector<int> &TypeIds = LPI->TypeIds;
const unsigned NumShared = PrevLPI ? SharedTypeIds(LPI, PrevLPI) : 0;
unsigned NumShared = PrevLPI ? SharedTypeIds(LPI, PrevLPI) : 0;
unsigned SizeSiteActions = 0;
if (NumShared < TypeIds.size()) {
@ -362,7 +362,7 @@ ComputeActionsTable(const SmallVectorImpl<const LandingPadInfo*> &LandingPads,
unsigned PrevAction = (unsigned)-1;
if (NumShared) {
const unsigned SizePrevIds = PrevLPI->TypeIds.size();
unsigned SizePrevIds = PrevLPI->TypeIds.size();
assert(Actions.size());
PrevAction = Actions.size() - 1;
SizeAction =
@ -622,18 +622,19 @@ void DwarfException::EmitExceptionTable() {
// Final tallies.
// Call sites.
const unsigned SiteStartSize = SizeOfEncodedValue(dwarf::DW_EH_PE_udata4);
const unsigned SiteLengthSize = SizeOfEncodedValue(dwarf::DW_EH_PE_udata4);
const unsigned LandingPadSize = SizeOfEncodedValue(dwarf::DW_EH_PE_udata4);
bool IsSJLJ = MAI->getExceptionHandlingType() == ExceptionHandling::SjLj;
bool HaveTTData = IsSJLJ ? (!TypeInfos.empty() || !FilterIds.empty()) : true;
unsigned CallSiteTableLength;
if (IsSJLJ)
CallSiteTableLength = 0;
else
CallSiteTableLength = CallSites.size() *
(SiteStartSize + SiteLengthSize + LandingPadSize);
else {
unsigned SiteStartSize = 4; // dwarf::DW_EH_PE_udata4
unsigned SiteLengthSize = 4; // dwarf::DW_EH_PE_udata4
unsigned LandingPadSize = 4; // dwarf::DW_EH_PE_udata4
CallSiteTableLength =
CallSites.size() * (SiteStartSize + SiteLengthSize + LandingPadSize);
}
for (unsigned i = 0, e = CallSites.size(); i < e; ++i) {
CallSiteTableLength += MCAsmInfo::getULEB128Size(CallSites[i].Action);
@ -650,7 +651,7 @@ void DwarfException::EmitExceptionTable() {
// For SjLj exceptions, if there is no TypeInfo, then we just explicitly say
// that we're omitting that bit.
TTypeEncoding = dwarf::DW_EH_PE_omit;
TypeFormatSize = SizeOfEncodedValue(dwarf::DW_EH_PE_absptr);
TypeFormatSize = TD->getPointerSize(); // dwarf::DW_EH_PE_absptr
} else {
// Okay, we have actual filters or typeinfos to emit. As such, we need to
// pick a type encoding for them. We're about to emit a list of pointers to