Add mapping in MachineFunction from SSA regs to Register Classes. Also,
uncovered a bug where registers were not being put in a map if they were not found... llvm-svn: 4776
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@ -17,7 +17,11 @@
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#include "llvm/Constants.h"
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#include "llvm/Pass.h"
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#include "llvm/CodeGen/MachineFunction.h"
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#include "llvm/CodeGen/MachineInstrBuilder.h"
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#include "llvm/Target/TargetMachine.h"
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#include "llvm/Support/InstVisitor.h"
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#include "llvm/Target/MRegisterInfo.h"
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#include <map>
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using namespace MOTy; // Get Use, Def, UseAndDef
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@ -105,8 +109,14 @@ namespace {
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unsigned getReg(Value &V) { return getReg(&V); } // Allow references
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unsigned getReg(Value *V) {
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unsigned &Reg = RegMap[V];
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if (Reg == 0)
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if (Reg == 0) {
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Reg = CurReg++;
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RegMap[V] = Reg;
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// Add the mapping of regnumber => reg class to MachineFunction
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F->addRegMap(Reg,
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TM.getRegisterInfo()->getRegClassForType(V->getType()));
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}
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// If this operand is a constant, emit the code to copy the constant into
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// the register here...
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