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Simplify a bunch of isVirtualRegister() and isPhysicalRegister() logic.

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These functions not longer assert when passed 0, but simply return false instead.

No functional change intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123155 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2011-01-10 02:58:51 +00:00
parent fdc8f2d260
commit c9df025e33
20 changed files with 39 additions and 43 deletions
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lib/CodeGen/SelectionDAG/InstrEmitter.cpp
+1 -1
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@@ -703,7 +703,7 @@ EmitMachineNode(SDNode *Node, bool IsClone, bool IsCloned,
for (unsigned i = 0, e = F->getNumOperands(); i != e; ++i)
if (RegisterSDNode *R = dyn_cast<RegisterSDNode>(F->getOperand(i))) {
unsigned Reg = R->getReg();
if (Reg != 0 && TargetRegisterInfo::isPhysicalRegister(Reg))
if (TargetRegisterInfo::isPhysicalRegister(Reg))
UsedRegs.push_back(Reg);
}
}