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author | Andrew Trick <atrick@apple.com> | 2013-08-23 17:48:51 +0000 |
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committer | Andrew Trick <atrick@apple.com> | 2013-08-23 17:48:51 +0000 |
commit | 751c6d28780e9e852f71aff63de608cff6a146ec (patch) | |
tree | 3bdf0214b24e29a6219f2aa4becd692a157f6d17 /lib/CodeGen/RegisterPressure.cpp | |
parent | 6abb4ab8127e270477f1028cb089c0d0fe4be927 (diff) | |
download | llvm-751c6d28780e9e852f71aff63de608cff6a146ec.tar.gz llvm-751c6d28780e9e852f71aff63de608cff6a146ec.tar.bz2 llvm-751c6d28780e9e852f71aff63de608cff6a146ec.tar.xz |
Rename to RegPressure API parameters RegUnits.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189123 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/RegisterPressure.cpp')
-rw-r--r-- | lib/CodeGen/RegisterPressure.cpp | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/lib/CodeGen/RegisterPressure.cpp b/lib/CodeGen/RegisterPressure.cpp index 4f326e86cb..d3b4f60a77 100644 --- a/lib/CodeGen/RegisterPressure.cpp +++ b/lib/CodeGen/RegisterPressure.cpp @@ -79,9 +79,9 @@ void RegPressureTracker::dump() const { /// Increase the current pressure as impacted by these registers and bump /// the high water mark if needed. -void RegPressureTracker::increaseRegPressure(ArrayRef<unsigned> Regs) { - for (unsigned i = 0, e = Regs.size(); i != e; ++i) { - PSetIterator PSetI = MRI->getPressureSets(Regs[i]); +void RegPressureTracker::increaseRegPressure(ArrayRef<unsigned> RegUnits) { + for (unsigned i = 0, e = RegUnits.size(); i != e; ++i) { + PSetIterator PSetI = MRI->getPressureSets(RegUnits[i]); unsigned Weight = PSetI.getWeight(); for (; PSetI.isValid(); ++PSetI) { CurrSetPressure[*PSetI] += Weight; @@ -93,9 +93,9 @@ void RegPressureTracker::increaseRegPressure(ArrayRef<unsigned> Regs) { } /// Simply decrease the current pressure as impacted by these registers. -void RegPressureTracker::decreaseRegPressure(ArrayRef<unsigned> Regs) { - for (unsigned I = 0, E = Regs.size(); I != E; ++I) - decreaseSetPressure(CurrSetPressure, MRI->getPressureSets(Regs[I])); +void RegPressureTracker::decreaseRegPressure(ArrayRef<unsigned> RegUnits) { + for (unsigned I = 0, E = RegUnits.size(); I != E; ++I) + decreaseSetPressure(CurrSetPressure, MRI->getPressureSets(RegUnits[I])); } /// Clear the result so it can be used for another round of pressure tracking. @@ -287,8 +287,9 @@ void RegPressureTracker::initLiveThru(const RegPressureTracker &RPTracker) { } /// \brief Convenient wrapper for checking membership in RegisterOperands. -static bool containsReg(ArrayRef<unsigned> Regs, unsigned Reg) { - return std::find(Regs.begin(), Regs.end(), Reg) != Regs.end(); +/// (std::count() doesn't have an early exit). +static bool containsReg(ArrayRef<unsigned> RegUnits, unsigned RegUnit) { + return std::find(RegUnits.begin(), RegUnits.end(), RegUnit) != RegUnits.end(); } /// Collect this instruction's unique uses and defs into SmallVectors for @@ -320,17 +321,17 @@ public: } protected: - void pushRegUnits(unsigned Reg, SmallVectorImpl<unsigned> &Regs) { + void pushRegUnits(unsigned Reg, SmallVectorImpl<unsigned> &RegUnits) { if (TargetRegisterInfo::isVirtualRegister(Reg)) { - if (containsReg(Regs, Reg)) + if (containsReg(RegUnits, Reg)) return; - Regs.push_back(Reg); + RegUnits.push_back(Reg); } else if (MRI->isAllocatable(Reg)) { for (MCRegUnitIterator Units(Reg, TRI); Units.isValid(); ++Units) { - if (containsReg(Regs, *Units)) + if (containsReg(RegUnits, *Units)) continue; - Regs.push_back(*Units); + RegUnits.push_back(*Units); } } } |