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PHI and INLINEASM are now builtin instructions provided by Target.td

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25673 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-01-27 01:45:06 +00:00
parent f52e2618f3
commit aa77d77a43
2 changed files with 13 additions and 21 deletions
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30
utils/TableGen/CodeGenTarget.cpp
View File

@ -205,10 +205,10 @@ void CodeGenTarget::ReadLegalValueTypes() const {
void CodeGenTarget::ReadInstructions() const {
std::vector<Record*> Insts = Records.getAllDerivedDefinitions("Instruction");
if (Insts.empty())
if (Insts.size() <= 2)
throw std::string("No 'Instruction' subclasses defined!");
// Parse the instructions defined in the .td file.
std::string InstFormatName =
getAsmWriter()->getValueAsString("InstFormatName");
@ -219,29 +219,25 @@ void CodeGenTarget::ReadInstructions() const {
}
}
/// getPHIInstruction - Return the designated PHI instruction.
///
const CodeGenInstruction &CodeGenTarget::getPHIInstruction() const {
Record *PHI = getInstructionSet()->getValueAsDef("PHIInst");
std::map<std::string, CodeGenInstruction>::const_iterator I =
getInstructions().find(PHI->getName());
if (I == Instructions.end())
throw "Could not find PHI instruction named '" + PHI->getName() + "'!";
return I->second;
}
/// getInstructionsByEnumValue - Return all of the instructions defined by the
/// target, ordered by their enum value.
void CodeGenTarget::
getInstructionsByEnumValue(std::vector<const CodeGenInstruction*>
&NumberedInstructions) {
std::map<std::string, CodeGenInstruction>::const_iterator I;
I = getInstructions().find("PHI");
if (I == Instructions.end()) throw "Could not find 'PHI' instruction!";
const CodeGenInstruction *PHI = &I->second;
I = getInstructions().find("INLINEASM");
if (I == Instructions.end()) throw "Could not find 'INLINEASM' instruction!";
const CodeGenInstruction *INLINEASM = &I->second;
// Print out the rest of the instructions now.
unsigned i = 0;
const CodeGenInstruction *PHI = &getPHIInstruction();
NumberedInstructions.push_back(PHI);
NumberedInstructions.push_back(INLINEASM);
for (inst_iterator II = inst_begin(), E = inst_end(); II != E; ++II)
if (&II->second != PHI)
if (&II->second != PHI &&&II->second != INLINEASM)
NumberedInstructions.push_back(&II->second);
}

4
utils/TableGen/CodeGenTarget.h
View File

@ -148,10 +148,6 @@ public:
&NumberedInstructions);
/// getPHIInstruction - Return the designated PHI instruction.
///
const CodeGenInstruction &getPHIInstruction() const;
/// isLittleEndianEncoding - are instruction bit patterns defined as [0..n]?
///
bool isLittleEndianEncoding() const;