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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-10-17 20:26:33 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-10-17 20:26:33 +0000 |
| commit | 4b1aa961fdbb75035a963f8c6a01c8c5f1dc3f16 (patch) | |
| tree | 71ba0dcc3c57228e5533f726fb1aeaafc7b4ad82 /lib/CodeGen/MachineRegisterInfo.cpp | |
| parent | b08c1de748e847105af805698a49ad51abd4582e (diff) | |
| download | llvm-4b1aa961fdbb75035a963f8c6a01c8c5f1dc3f16.tar.gz llvm-4b1aa961fdbb75035a963f8c6a01c8c5f1dc3f16.tar.bz2 llvm-4b1aa961fdbb75035a963f8c6a01c8c5f1dc3f16.tar.xz | |
Switch MRI::UsedPhysRegs to a register unit bit vector.
This is a more compact, less redundant representation, and it avoids
scanning long lists of aliases for ARM D-registers, for example.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166124 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/MachineRegisterInfo.cpp')
| -rw-r--r-- | lib/CodeGen/MachineRegisterInfo.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/CodeGen/MachineRegisterInfo.cpp b/lib/CodeGen/MachineRegisterInfo.cpp index ae7c15be15..95d7a7dd68 100644 --- a/lib/CodeGen/MachineRegisterInfo.cpp +++ b/lib/CodeGen/MachineRegisterInfo.cpp @@ -21,7 +21,7 @@ MachineRegisterInfo::MachineRegisterInfo(const TargetRegisterInfo &TRI) : TRI(&TRI), IsSSA(true), TracksLiveness(true) { VRegInfo.reserve(256); RegAllocHints.reserve(256); - UsedPhysRegs.resize(TRI.getNumRegs()); + UsedRegUnits.resize(TRI.getNumRegUnits()); UsedPhysRegMask.resize(TRI.getNumRegs()); // Create the physreg use/def lists. @@ -32,7 +32,7 @@ MachineRegisterInfo::MachineRegisterInfo(const TargetRegisterInfo &TRI) MachineRegisterInfo::~MachineRegisterInfo() { #ifndef NDEBUG clearVirtRegs(); - for (unsigned i = 0, e = UsedPhysRegs.size(); i != e; ++i) + for (unsigned i = 0, e = TRI->getNumRegs(); i != e; ++i) assert(!PhysRegUseDefLists[i] && "PhysRegUseDefLists has entries after all instructions are deleted"); #endif |