diff options
| -rw-r--r-- | llvm/lib/CodeGen/RegisterClassInfo.cpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/llvm/lib/CodeGen/RegisterClassInfo.cpp b/llvm/lib/CodeGen/RegisterClassInfo.cpp index b0eeb81f583..5df32db4d99 100644 --- a/llvm/lib/CodeGen/RegisterClassInfo.cpp +++ b/llvm/lib/CodeGen/RegisterClassInfo.cpp @@ -49,9 +49,6 @@ void RegisterClassInfo::runOnMachineFunction(const MachineFunction &mf) { if (MF->getSubtarget().getRegisterInfo() != TRI) { TRI = MF->getSubtarget().getRegisterInfo(); RegClass.reset(new RCInfo[TRI->getNumRegClasses()]); - unsigned NumPSets = TRI->getNumRegPressureSets(); - PSetLimits.reset(new unsigned[NumPSets]); - std::fill(&PSetLimits[0], &PSetLimits[NumPSets], 0); Update = true; } @@ -80,8 +77,12 @@ void RegisterClassInfo::runOnMachineFunction(const MachineFunction &mf) { } // Invalidate cached information from previous function. - if (Update) + if (Update) { + unsigned NumPSets = TRI->getNumRegPressureSets(); + PSetLimits.reset(new unsigned[NumPSets]); + std::fill(&PSetLimits[0], &PSetLimits[NumPSets], 0); ++Tag; + } } /// compute - Compute the preferred allocation order for RC with reserved |
