From eb4774a972af4bdd36d8795625c8c5d96ca507d1 Mon Sep 17 00:00:00 2001 From: Benjamin Kramer Date: Sat, 16 Feb 2013 17:06:38 +0000 Subject: Replace erase loop with std::remove_if. This avoids unnecessary copies. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175367 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/RegisterPressure.cpp | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) (limited to 'lib/CodeGen/RegisterPressure.cpp') diff --git a/lib/CodeGen/RegisterPressure.cpp b/lib/CodeGen/RegisterPressure.cpp index 62e95aadc0..97f22e1049 100644 --- a/lib/CodeGen/RegisterPressure.cpp +++ b/lib/CodeGen/RegisterPressure.cpp @@ -357,15 +357,14 @@ protected: /// Collect physical and virtual register operands. static void collectOperands(const MachineInstr *MI, RegisterOperands &RegOpers) { - for(ConstMIBundleOperands OperI(MI); OperI.isValid(); ++OperI) + for (ConstMIBundleOperands OperI(MI); OperI.isValid(); ++OperI) RegOpers.collect(*OperI); // Remove redundant physreg dead defs. - for (unsigned i = RegOpers.DeadDefs.size(); i > 0; --i) { - unsigned Reg = RegOpers.DeadDefs[i-1]; - if (containsReg(RegOpers.Defs, Reg)) - RegOpers.DeadDefs.erase(&RegOpers.DeadDefs[i-1]); - } + SmallVectorImpl::iterator I = + std::remove_if(RegOpers.DeadDefs.begin(), RegOpers.DeadDefs.end(), + std::bind1st(std::ptr_fun(containsReg), RegOpers.Defs)); + RegOpers.DeadDefs.erase(I, RegOpers.DeadDefs.end()); } /// Force liveness of registers. -- cgit v1.2.3