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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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12
include/llvm/CodeGen/MachineRegisterInfo.h
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@@ -159,15 +159,15 @@ public:
/// getRegUseDefListHead - Return the head pointer for the register use/def
/// list for the specified virtual or physical register.
MachineOperand *&getRegUseDefListHead(unsigned RegNo) {
if (!RegNo || TargetRegisterInfo::isPhysicalRegister(RegNo))
return PhysRegUseDefLists[RegNo];
return VRegInfo[RegNo].second;
if (TargetRegisterInfo::isVirtualRegister(RegNo))
return VRegInfo[RegNo].second;
return PhysRegUseDefLists[RegNo];
}
MachineOperand *getRegUseDefListHead(unsigned RegNo) const {
if (!RegNo || TargetRegisterInfo::isPhysicalRegister(RegNo))
return PhysRegUseDefLists[RegNo];
return VRegInfo[RegNo].second;
if (TargetRegisterInfo::isVirtualRegister(RegNo))
return VRegInfo[RegNo].second;
return PhysRegUseDefLists[RegNo];
}
/// getVRegDef - Return the machine instr that defines the specified virtual