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Add support for referencing global variables/functions

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4907 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2002-12-04 06:45:19 +00:00
parent b72d221d61
commit dbf30f7b02
6 changed files with 48 additions and 8 deletions
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12
lib/Target/X86/Printer.cpp
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@@ -96,6 +96,10 @@ static void printOp(std::ostream &O, const MachineOperand &MO,
const MRegisterInfo &RI) {
switch (MO.getType()) {
case MachineOperand::MO_VirtualRegister:
if (Value *V = MO.getVRegValue()) {
O << "<" << V->getName() << ">";
return;
}
case MachineOperand::MO_MachineRegister:
if (MO.getReg() < MRegisterInfo::FirstVirtualRegister)
O << RI.get(MO.getReg()).Name;
@@ -172,11 +176,15 @@ void X86InstrInfo::print(const MachineInstr *MI, std::ostream &O,
// There are currently two forms of acceptable AddRegFrm instructions.
// Either the instruction JUST takes a single register (like inc, dec, etc),
// or it takes a register and an immediate of the same size as the register
// (move immediate f.e.).
// (move immediate f.e.). Note that this immediate value might be stored as
// an LLVM value, to represent, for example, loading the address of a global
// into a register.
//
assert(isReg(MI->getOperand(0)) &&
(MI->getNumOperands() == 1 ||
(MI->getNumOperands() == 2 && isImmediate(MI->getOperand(1)))) &&
(MI->getNumOperands() == 2 &&
(MI->getOperand(1).getVRegValue() ||
isImmediate(MI->getOperand(1))))) &&
"Illegal form for AddRegFrm instruction!");
unsigned Reg = MI->getOperand(0).getReg();