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1. Fixing error where basic block labels were not being printed out when they need to be for the MBlaze backend because AsmPrinter::isBlockOnlyReachableByFallthrough does not take into account delay slots.

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2. Re-adding .mask and .frame directives in printed assembly.
3. Adding .ent and .end directives in printed assembly.
4. Minor cleanups to MBlaze backend.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120095 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Wesley Peck
2010-11-24 15:39:32 +00:00
parent 7de8101668
commit 82dc040d06
5 changed files with 126 additions and 33 deletions
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22
lib/Target/MBlaze/MBlazeMCInstLower.cpp
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@@ -32,10 +32,8 @@ using namespace llvm;
MCSymbol *MBlazeMCInstLower::
GetGlobalAddressSymbol(const MachineOperand &MO) const {
switch (MO.getTargetFlags()) {
default:
llvm_unreachable("Unknown target flag on GV operand");
case 0: break;
default: llvm_unreachable("Unknown target flag on GV operand");
case 0: break;
}
return Printer.Mang->getSymbol(MO.getGlobal());
@@ -44,10 +42,8 @@ GetGlobalAddressSymbol(const MachineOperand &MO) const {
MCSymbol *MBlazeMCInstLower::
GetExternalSymbolSymbol(const MachineOperand &MO) const {
switch (MO.getTargetFlags()) {
default:
assert(0 && "Unknown target flag on GV operand");
case 0: break;
default: llvm_unreachable("Unknown target flag on GV operand");
case 0: break;
}
return Printer.GetExternalSymbolSymbol(MO.getSymbolName());
@@ -59,12 +55,9 @@ GetJumpTableSymbol(const MachineOperand &MO) const {
raw_svector_ostream(Name) << Printer.MAI->getPrivateGlobalPrefix() << "JTI"
<< Printer.getFunctionNumber() << '_'
<< MO.getIndex();
switch (MO.getTargetFlags()) {
default:
llvm_unreachable("Unknown target flag on GV operand");
case 0: break;
default: llvm_unreachable("Unknown target flag on GV operand");
case 0: break;
}
// Create a symbol for the name.
@@ -129,8 +122,7 @@ void MBlazeMCInstLower::Lower(const MachineInstr *MI, MCInst &OutMI) const {
MCOperand MCOp;
switch (MO.getType()) {
default:
assert(0 && "unknown operand type");
default: llvm_unreachable("unknown operand type");
case MachineOperand::MO_Register:
// Ignore all implicit register operands.
if (MO.isImplicit()) continue;