diff options
Diffstat (limited to 'llvm/lib/Target/AArch64/AArch64LegalizerInfo.cpp')
| -rw-r--r-- | llvm/lib/Target/AArch64/AArch64LegalizerInfo.cpp | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/llvm/lib/Target/AArch64/AArch64LegalizerInfo.cpp b/llvm/lib/Target/AArch64/AArch64LegalizerInfo.cpp index a985b330eaf..d54491532d6 100644 --- a/llvm/lib/Target/AArch64/AArch64LegalizerInfo.cpp +++ b/llvm/lib/Target/AArch64/AArch64LegalizerInfo.cpp @@ -13,7 +13,9 @@ #include "AArch64LegalizerInfo.h" #include "AArch64Subtarget.h" +#include "llvm/CodeGen/GlobalISel/LegalizerHelper.h" #include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h" +#include "llvm/CodeGen/GlobalISel/Utils.h" #include "llvm/CodeGen/MachineInstr.h" #include "llvm/CodeGen/MachineRegisterInfo.h" #include "llvm/CodeGen/TargetOpcodes.h" @@ -617,6 +619,24 @@ bool AArch64LegalizerInfo::legalizeCustom(MachineInstr &MI, llvm_unreachable("expected switch to return"); } +bool AArch64LegalizerInfo::legalizeIntrinsic( + MachineInstr &MI, MachineRegisterInfo &MRI, + MachineIRBuilder &MIRBuilder) const { + switch (MI.getIntrinsicID()) { + case Intrinsic::memcpy: + case Intrinsic::memset: + case Intrinsic::memmove: + if (createMemLibcall(MIRBuilder, MRI, MI) == + LegalizerHelper::UnableToLegalize) + return false; + MI.eraseFromParent(); + return true; + default: + break; + } + return true; +} + bool AArch64LegalizerInfo::legalizeShlAshrLshr( MachineInstr &MI, MachineRegisterInfo &MRI, MachineIRBuilder &MIRBuilder, GISelChangeObserver &Observer) const { |
