diff options
Diffstat (limited to 'lib/Target/Mips/MipsDelaySlotFiller.cpp')
-rw-r--r-- | lib/Target/Mips/MipsDelaySlotFiller.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Target/Mips/MipsDelaySlotFiller.cpp b/lib/Target/Mips/MipsDelaySlotFiller.cpp index d6c7cac..bcfbc12 100644 --- a/lib/Target/Mips/MipsDelaySlotFiller.cpp +++ b/lib/Target/Mips/MipsDelaySlotFiller.cpp @@ -23,6 +23,7 @@ #include "llvm/CodeGen/MachineBranchProbabilityInfo.h" #include "llvm/CodeGen/MachineFunctionPass.h" #include "llvm/CodeGen/MachineInstrBuilder.h" +#include "llvm/CodeGen/MachineRegisterInfo.h" #include "llvm/CodeGen/PseudoSourceValue.h" #include "llvm/Support/CommandLine.h" #include "llvm/Target/TargetInstrInfo.h" @@ -177,6 +178,13 @@ namespace { for (MachineFunction::iterator FI = F.begin(), FE = F.end(); FI != FE; ++FI) Changed |= runOnMachineBasicBlock(*FI); + + // This pass invalidates liveness information when it reorders + // instructions to fill delay slot. Without this, -verify-machineinstrs + // will fail. + if (Changed) + F.getRegInfo().invalidateLiveness(); + return Changed; } |