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| author | Bill Wendling <isanbard@gmail.com> | 2010-07-15 05:56:32 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2010-07-15 05:56:32 +0000 |
| commit | f7f72bc1eaf01bfc6f09094d200e6aea35921f65 (patch) | |
| tree | 64f28d00808d6f0cbc7260de38518b3b96d29054 /lib/CodeGen/CriticalAntiDepBreaker.cpp | |
| parent | bbcdebbc8d16c84f2f76eb1192db22472e94661c (diff) | |
| download | external_llvm-f7f72bc1eaf01bfc6f09094d200e6aea35921f65.zip external_llvm-f7f72bc1eaf01bfc6f09094d200e6aea35921f65.tar.gz external_llvm-f7f72bc1eaf01bfc6f09094d200e6aea35921f65.tar.bz2 | |
Use std::vector instead of a hard-coded array. The length of that array could
get *very* large, but we only need it to be the size of thenumber of pregs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108411 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/CriticalAntiDepBreaker.cpp')
| -rw-r--r-- | lib/CodeGen/CriticalAntiDepBreaker.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/CodeGen/CriticalAntiDepBreaker.cpp b/lib/CodeGen/CriticalAntiDepBreaker.cpp index e3746a9..9d48665 100644 --- a/lib/CodeGen/CriticalAntiDepBreaker.cpp +++ b/lib/CodeGen/CriticalAntiDepBreaker.cpp @@ -34,6 +34,9 @@ CriticalAntiDepBreaker(MachineFunction& MFi) : TRI(MF.getTarget().getRegisterInfo()), AllocatableSet(TRI->getAllocatableSet(MF)) { + Classes.reserve(TRI->getNumRegs()); + KillIndices.reserve(TRI->getNumRegs()); + DefIndices.reserve(TRI->getNumRegs()); } CriticalAntiDepBreaker::~CriticalAntiDepBreaker() { @@ -41,8 +44,7 @@ CriticalAntiDepBreaker::~CriticalAntiDepBreaker() { void CriticalAntiDepBreaker::StartBlock(MachineBasicBlock *BB) { // Clear out the register class data. - std::fill(Classes, array_endof(Classes), - static_cast<const TargetRegisterClass *>(0)); + Classes.clear(); // Initialize the indices to indicate that no registers are live. const unsigned BBSize = BB->size(); |