diff options
Diffstat (limited to 'llvm/lib/Target/ARM')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMISelLowering.cpp | 4 | ||||
| -rw-r--r-- | llvm/lib/Target/ARM/ARMISelLowering.h | 7 |
2 files changed, 11 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp index 88282c7331b..de7159e474a 100644 --- a/llvm/lib/Target/ARM/ARMISelLowering.cpp +++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp @@ -9481,6 +9481,10 @@ EVT ARMTargetLowering::getOptimalMemOpType(uint64_t Size, return MVT::Other; } +bool ARMTargetLowering::isLegalMemOpType(MVT VT) const { + return VT.isInteger() || VT == MVT::f64 || VT == MVT::v2f64; +} + bool ARMTargetLowering::isZExtFree(SDValue Val, EVT VT2) const { if (Val.getOpcode() != ISD::LOAD) return false; diff --git a/llvm/lib/Target/ARM/ARMISelLowering.h b/llvm/lib/Target/ARM/ARMISelLowering.h index 5a44201ec48..3e78ae3b2d5 100644 --- a/llvm/lib/Target/ARM/ARMISelLowering.h +++ b/llvm/lib/Target/ARM/ARMISelLowering.h @@ -296,6 +296,13 @@ namespace llvm { bool MemcpyStrSrc, MachineFunction &MF) const; + /// isLegalMemOpType - Returns true if it's legal to use load / store of the + /// specified type to expand memcpy / memset inline. This is mostly true + /// for legal types except for some special cases. For example, on X86 + /// targets without SSE2 f64 load / store are done with fldl / fstpl which + /// also does type conversion. + virtual bool isLegalMemOpType(MVT VT) const; + using TargetLowering::isZExtFree; virtual bool isZExtFree(SDValue Val, EVT VT2) const; |
