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Inline MachineRegisterInfo::hasOneUse

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llvm-svn: 161007
This commit is contained in:
Andrew Trick 2012-07-30 23:48:12 +00:00
parent 54e2274160
commit dc8c12f62b
2 changed files with 6 additions and 8 deletions
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7
include/llvm/CodeGen/MachineRegisterInfo.h
View File

@ -185,7 +185,12 @@ public:
/// hasOneUse - Return true if there is exactly one instruction using the
/// specified register.
bool hasOneUse(unsigned RegNo) const;
bool hasOneUse(unsigned RegNo) const {
use_iterator UI = use_begin(RegNo);
if (UI == use_end())
return false;
return ++UI == use_end();
}
/// use_nodbg_iterator/use_nodbg_begin/use_nodbg_end - Walk all uses of the
/// specified register, skipping those marked as Debug.

7
lib/CodeGen/MachineRegisterInfo.cpp
View File

@ -178,13 +178,6 @@ MachineInstr *MachineRegisterInfo::getUniqueVRegDef(unsigned Reg) const {
return &*I;
}
bool MachineRegisterInfo::hasOneUse(unsigned RegNo) const {
use_iterator UI = use_begin(RegNo);
if (UI == use_end())
return false;
return ++UI == use_end();
}
bool MachineRegisterInfo::hasOneNonDBGUse(unsigned RegNo) const {
use_nodbg_iterator UI = use_nodbg_begin(RegNo);
if (UI == use_nodbg_end())