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Unify the two EH personality classification routines I wrote

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We only need one.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229193 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Kleckner
2015-02-14 00:21:02 +00:00
parent efd49ea0d2
commit f7f5309424
6 changed files with 12 additions and 29 deletions
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15
lib/CodeGen/MachineModuleInfo.cpp
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@ -9,6 +9,7 @@
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/ADT/PointerUnion.h"
#include "llvm/Analysis/LibCallSemantics.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
@ -276,7 +277,7 @@ bool MachineModuleInfo::doInitialization(Module &M) {
DbgInfoAvailable = UsesVAFloatArgument = UsesMorestackAddr = false;
// Always emit some info, by default "no personality" info.
Personalities.push_back(nullptr);
PersonalityTypeCache = EHPersonality::None;
PersonalityTypeCache = EHPersonality::Unknown;
AddrLabelSymbols = nullptr;
TheModule = nullptr;
@ -561,17 +562,11 @@ const Function *MachineModuleInfo::getPersonality() const {
return nullptr;
}
EHPersonality MachineModuleInfo::getPersonalityTypeSlow() {
const Function *Per = getPersonality();
if (!Per)
PersonalityTypeCache = EHPersonality::None;
else if (Per->getName() == "__C_specific_handler")
PersonalityTypeCache = EHPersonality::Win64SEH;
else // Assume everything else is Itanium.
PersonalityTypeCache = EHPersonality::Itanium;
EHPersonality MachineModuleInfo::getPersonalityType() {
if (PersonalityTypeCache == EHPersonality::Unknown)
PersonalityTypeCache = classifyEHPersonality(getPersonality());
return PersonalityTypeCache;
}
/// getPersonalityIndex - Return unique index for current personality
/// function. NULL/first personality function should always get zero index.
unsigned MachineModuleInfo::getPersonalityIndex() const {