Declare register classes as const. Fix a couple pointers to register classes that weren't already const.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151138 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper 2012-02-22 07:28:11 +00:00
parent cc77b54036
commit c528e462a1
2 changed files with 6 additions and 5 deletions

View File

@ -2269,7 +2269,7 @@ SDNode *X86DAGToDAGISel::Select(SDNode *Node) {
// On x86-32, only the ABCD registers have 8-bit subregisters.
if (!Subtarget->is64Bit()) {
TargetRegisterClass *TRC = 0;
const TargetRegisterClass *TRC;
switch (N0.getValueType().getSimpleVT().SimpleTy) {
case MVT::i32: TRC = &X86::GR32_ABCDRegClass; break;
case MVT::i16: TRC = &X86::GR16_ABCDRegClass; break;
@ -2298,7 +2298,7 @@ SDNode *X86DAGToDAGISel::Select(SDNode *Node) {
SDValue Reg = N0.getNode()->getOperand(0);
// Put the value in an ABCD register.
TargetRegisterClass *TRC = 0;
const TargetRegisterClass *TRC;
switch (N0.getValueType().getSimpleVT().SimpleTy) {
case MVT::i64: TRC = &X86::GR64_ABCDRegClass; break;
case MVT::i32: TRC = &X86::GR32_ABCDRegClass; break;

View File

@ -480,7 +480,7 @@ RegisterInfoEmitter::runTargetHeader(raw_ostream &OS, CodeGenTarget &Target,
OS << " };\n";
// Output the extern for the instance.
OS << " extern " << Name << "Class\t" << Name << "RegClass;\n";
OS << " extern const " << Name << "Class " << Name << "RegClass;\n";
// Output the extern for the pointer to the instance (should remove).
OS << " static const TargetRegisterClass * const " << Name
<< "RegisterClass = &" << Name << "RegClass;\n";
@ -548,8 +548,9 @@ RegisterInfoEmitter::runTargetDesc(raw_ostream &OS, CodeGenTarget &Target,
OS << "namespace " << RegisterClasses[0]->Namespace
<< " { // Register class instances\n";
for (unsigned i = 0, e = RegisterClasses.size(); i != e; ++i)
OS << " " << RegisterClasses[i]->getName() << "Class\t"
<< RegisterClasses[i]->getName() << "RegClass;\n";
OS << " extern const " << RegisterClasses[i]->getName() << "Class "
<< RegisterClasses[i]->getName() << "RegClass = "
<< RegisterClasses[i]->getName() << "Class();\n";
std::map<unsigned, std::set<unsigned> > SuperRegClassMap;