[llvm] r319064 - [Hexagon] Implement HexagonSubtarget::isHVXVectorType
Krzysztof Parzyszek via llvm-commits
llvm-commits at lists.llvm.org
Mon Nov 27 10:12:16 PST 2017
Author: kparzysz
Date: Mon Nov 27 10:12:16 2017
New Revision: 319064
URL: http://llvm.org/viewvc/llvm-project?rev=319064&view=rev
Log:
[Hexagon] Implement HexagonSubtarget::isHVXVectorType
Modified:
llvm/trunk/lib/Target/Hexagon/HexagonISelLowering.cpp
llvm/trunk/lib/Target/Hexagon/HexagonSubtarget.h
Modified: llvm/trunk/lib/Target/Hexagon/HexagonISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Hexagon/HexagonISelLowering.cpp?rev=319064&r1=319063&r2=319064&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Hexagon/HexagonISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/Hexagon/HexagonISelLowering.cpp Mon Nov 27 10:12:16 2017
@@ -129,8 +129,6 @@ namespace {
// Implement calling convention for Hexagon.
-static bool isHvxVectorType(MVT ty);
-
static bool
CC_Hexagon(unsigned ValNo, MVT ValVT,
MVT LocVT, CCValAssign::LocInfo LocInfo,
@@ -291,7 +289,8 @@ static bool CC_Hexagon (unsigned ValNo,
return false;
}
- if (isHvxVectorType(LocVT)) {
+ auto &HST = State.getMachineFunction().getSubtarget<HexagonSubtarget>();
+ if (HST.isHVXVectorType(LocVT)) {
if (!CC_HexagonVector(ValNo, ValVT, LocVT, LocInfo, ArgFlags, State))
return false;
}
@@ -553,28 +552,6 @@ static SDValue CreateCopyOfByValArgument
MachinePointerInfo(), MachinePointerInfo());
}
-static bool isHvxVectorType(MVT Ty) {
- switch (Ty.SimpleTy) {
- case MVT::v8i64:
- case MVT::v16i32:
- case MVT::v32i16:
- case MVT::v64i8:
- case MVT::v16i64:
- case MVT::v32i32:
- case MVT::v64i16:
- case MVT::v128i8:
- case MVT::v32i64:
- case MVT::v64i32:
- case MVT::v128i16:
- case MVT::v256i8:
- case MVT::v512i1:
- case MVT::v1024i1:
- return true;
- default:
- return false;
- }
-}
-
bool
HexagonTargetLowering::CanLowerReturn(
CallingConv::ID CallConv, MachineFunction &MF, bool isVarArg,
@@ -774,7 +751,7 @@ HexagonTargetLowering::LowerCall(TargetL
SDValue Arg = OutVals[i];
ISD::ArgFlagsTy Flags = Outs[i].Flags;
// Record if we need > 8 byte alignment on an argument.
- bool ArgAlign = isHvxVectorType(VA.getValVT());
+ bool ArgAlign = Subtarget.isHVXVectorType(VA.getValVT());
NeedsArgAlign |= ArgAlign;
// Promote the value if needed.
@@ -2727,7 +2704,7 @@ HexagonTargetLowering::LowerEXTRACT_VECT
// If we are dealing with EXTRACT_SUBVECTOR on a HVX type, we may
// be able to simplify it to an EXTRACT_SUBREG.
if (Op.getOpcode() == ISD::EXTRACT_SUBVECTOR && Subtarget.useHVXOps() &&
- isHvxVectorType(Op.getValueType().getSimpleVT()))
+ Subtarget.isHVXVectorType(Op.getValueType().getSimpleVT()))
return LowerEXTRACT_SUBVECTOR_HVX(Op, DAG);
EVT VT = Op.getValueType();
Modified: llvm/trunk/lib/Target/Hexagon/HexagonSubtarget.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Hexagon/HexagonSubtarget.h?rev=319064&r1=319063&r2=319064&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Hexagon/HexagonSubtarget.h (original)
+++ llvm/trunk/lib/Target/Hexagon/HexagonSubtarget.h Mon Nov 27 10:12:16 2017
@@ -190,6 +190,16 @@ public:
llvm_unreachable("Invalid HVX vector length settings");
}
+ bool isHVXVectorType(MVT VecTy) const {
+ if (!VecTy.isVector() || !useHVXOps())
+ return false;
+ unsigned ElemWidth = VecTy.getVectorElementType().getSizeInBits();
+ if (ElemWidth < 8 || ElemWidth > 64)
+ return false;
+ unsigned VecWidth = VecTy.getSizeInBits();
+ return VecWidth == 8*getVectorLength() || VecWidth == 16*getVectorLength();
+ }
+
unsigned getL1CacheLineSize() const;
unsigned getL1PrefetchDistance() const;
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