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Wrap MVT::ValueType in a struct to get type safety

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and better control the abstraction.  Rename the type
to MVT.  To update out-of-tree patches, the main
thing to do is to rename MVT::ValueType to MVT, and
rewrite expressions like MVT::getSizeInBits(VT) in
the form VT.getSizeInBits().  Use VT.getSimpleVT()
to extract a MVT::SimpleValueType for use in switch
statements (you will get an assert failure if VT is
an extended value type - these shouldn't exist after
type legalization).
This results in a small speedup of codegen and no
new testsuite failures (x86-64 linux).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52044 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan Sands
2008-06-06 12:08:01 +00:00
parent cc41940dff
commit 83ec4b6711
68 changed files with 2858 additions and 2841 deletions
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18
utils/TableGen/CodeGenTarget.cpp
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@@ -27,13 +27,13 @@ static cl::opt<unsigned>
AsmWriterNum("asmwriternum", cl::init(0),
cl::desc("Make -gen-asm-writer emit assembly writer #N"));
/// getValueType - Return the MCV::ValueType that the specified TableGen record
/// corresponds to.
MVT::ValueType llvm::getValueType(Record *Rec) {
return (MVT::ValueType)Rec->getValueAsInt("Value");
/// getValueType - Return the MVT::SimpleValueType that the specified TableGen
/// record corresponds to.
MVT::SimpleValueType llvm::getValueType(Record *Rec) {
return (MVT::SimpleValueType)Rec->getValueAsInt("Value");
}
std::string llvm::getName(MVT::ValueType T) {
std::string llvm::getName(MVT::SimpleValueType T) {
switch (T) {
case MVT::Other: return "UNKNOWN";
case MVT::i1: return "MVT::i1";
@@ -69,7 +69,7 @@ std::string llvm::getName(MVT::ValueType T) {
}
}
std::string llvm::getEnumName(MVT::ValueType T) {
std::string llvm::getEnumName(MVT::SimpleValueType T) {
switch (T) {
case MVT::Other: return "MVT::Other";
case MVT::i1: return "MVT::i1";
@@ -181,7 +181,7 @@ std::vector<unsigned char> CodeGenTarget::getRegisterVTs(Record *R) const {
const CodeGenRegisterClass &RC = RegisterClasses[i];
for (unsigned ei = 0, ee = RC.Elements.size(); ei != ee; ++ei) {
if (R == RC.Elements[ei]) {
const std::vector<MVT::ValueType> &InVTs = RC.getValueTypes();
const std::vector<MVT::SimpleValueType> &InVTs = RC.getValueTypes();
for (unsigned i = 0, e = InVTs.size(); i != e; ++i)
Result.push_back(InVTs[i]);
}
@@ -231,7 +231,7 @@ CodeGenRegisterClass::CodeGenRegisterClass(Record *R) : TheDef(R) {
unsigned Size = R->getValueAsInt("Size");
Namespace = R->getValueAsString("Namespace");
SpillSize = Size ? Size : MVT::getSizeInBits(VTs[0]);
SpillSize = Size ? Size : MVT(VTs[0]).getSizeInBits();
SpillAlignment = R->getValueAsInt("Alignment");
CopyCost = R->getValueAsInt("CopyCost");
MethodBodies = R->getValueAsCode("MethodBodies");
@@ -443,7 +443,7 @@ CodeGenIntrinsic::CodeGenIntrinsic(Record *R) {
for (unsigned i = 0, e = TypeList->getSize(); i != e; ++i) {
Record *TyEl = TypeList->getElementAsRecord(i);
assert(TyEl->isSubClassOf("LLVMType") && "Expected a type!");
MVT::ValueType VT = getValueType(TyEl->getValueAsDef("VT"));
MVT::SimpleValueType VT = getValueType(TyEl->getValueAsDef("VT"));
isOverloaded |= VT == MVT::iAny || VT == MVT::fAny;
ArgVTs.push_back(VT);
ArgTypeDefs.push_back(TyEl);