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-rw-r--r--lib/Target/PowerPC/PPCISelLowering.h117
1 files changed, 61 insertions, 56 deletions
diff --git a/lib/Target/PowerPC/PPCISelLowering.h b/lib/Target/PowerPC/PPCISelLowering.h
index 30acd60eba6f..97422c6eda36 100644
--- a/lib/Target/PowerPC/PPCISelLowering.h
+++ b/lib/Target/PowerPC/PPCISelLowering.h
@@ -1,9 +1,8 @@
//===-- PPCISelLowering.h - PPC32 DAG Lowering Interface --------*- C++ -*-===//
//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@@ -15,7 +14,6 @@
#ifndef LLVM_LIB_TARGET_POWERPC_PPCISELLOWERING_H
#define LLVM_LIB_TARGET_POWERPC_PPCISELLOWERING_H
-#include "PPC.h"
#include "PPCInstrInfo.h"
#include "llvm/CodeGen/CallingConvLower.h"
#include "llvm/CodeGen/MachineFunction.h"
@@ -41,7 +39,7 @@ namespace llvm {
// the enum. The order of elements in this enum matters!
// Values that are added after this entry:
// STBRX = ISD::FIRST_TARGET_MEMORY_OPCODE
- // are considerd memory opcodes and are treated differently than entries
+ // are considered memory opcodes and are treated differently than entries
// that come before it. For example, ADD or MUL should be placed before
// the ISD::FIRST_TARGET_MEMORY_OPCODE while a LOAD or STORE should come
// after it.
@@ -161,7 +159,7 @@ namespace llvm {
/// CALL - A direct function call.
/// CALL_NOP is a call with the special NOP which follows 64-bit
- /// SVR4 calls.
+ /// SVR4 calls and 32-bit/64-bit AIX calls.
CALL, CALL_NOP,
/// CHAIN,FLAG = MTCTR(VAL, CHAIN[, INFLAG]) - Directly corresponds to a
@@ -193,9 +191,18 @@ namespace llvm {
/// Direct move from a GPR to a VSX register (zero)
MTVSRZ,
- /// Direct move of 2 consective GPR to a VSX register.
+ /// Direct move of 2 consecutive GPR to a VSX register.
BUILD_FP128,
+ /// BUILD_SPE64 and EXTRACT_SPE are analogous to BUILD_PAIR and
+ /// EXTRACT_ELEMENT but take f64 arguments instead of i64, as i64 is
+ /// unsupported for this target.
+ /// Merge 2 GPRs to a single SPE register.
+ BUILD_SPE64,
+
+ /// Extract SPE register component, second argument is high or low.
+ EXTRACT_SPE,
+
/// Extract a subvector from signed integer vector and convert to FP.
/// It is primarily used to convert a (widened) illegal integer vector
/// type to a legal floating point vector type.
@@ -265,11 +272,11 @@ namespace llvm {
CR6UNSET,
/// GPRC = address of _GLOBAL_OFFSET_TABLE_. Used by initial-exec TLS
- /// on PPC32.
+ /// for non-position independent code on PPC32.
PPC32_GOT,
/// GPRC = address of _GLOBAL_OFFSET_TABLE_. Used by general dynamic and
- /// local dynamic TLS on PPC32.
+ /// local dynamic TLS and position indendepent code on PPC32.
PPC32_PICGOT,
/// G8RC = ADDIS_GOT_TPREL_HA %x2, Symbol - Used by the initial-exec
@@ -405,6 +412,9 @@ namespace llvm {
/// representation.
QBFLT,
+ /// Custom extend v4f32 to v2f64.
+ FP_EXTEND_LH,
+
/// CHAIN = STBRX CHAIN, GPRC, Ptr, Type - This is a
/// byte-swapping store instruction. It byte-swaps the low "Type" bits of
/// the GPRC input, then stores it through Ptr. Type can be either i16 or
@@ -446,6 +456,10 @@ namespace llvm {
/// an xxswapd.
LXVD2X,
+ /// VSRC, CHAIN = LD_VSX_LH CHAIN, Ptr - This is a floating-point load of a
+ /// v2f32 value into the lower half of a VSR register.
+ LD_VSX_LH,
+
/// CHAIN = STXVD2X CHAIN, VSRC, Ptr - Occurs only for little endian.
/// Maps directly to an stxvd2x instruction that will be preceded by
/// an xxswapd.
@@ -620,6 +634,8 @@ namespace llvm {
return true;
}
+ bool preferIncOfAddToSubOfNot(EVT VT) const override;
+
bool convertSetCCLogicToBitwiseLogic(EVT VT) const override {
return VT.isScalarInteger();
}
@@ -653,18 +669,27 @@ namespace llvm {
ISD::MemIndexedMode &AM,
SelectionDAG &DAG) const override;
+ /// SelectAddressEVXRegReg - Given the specified addressed, check to see if
+ /// it can be more efficiently represented as [r+imm].
+ bool SelectAddressEVXRegReg(SDValue N, SDValue &Base, SDValue &Index,
+ SelectionDAG &DAG) const;
+
/// SelectAddressRegReg - Given the specified addressed, check to see if it
- /// can be represented as an indexed [r+r] operation. Returns false if it
- /// can be more efficiently represented with [r+imm].
+ /// can be more efficiently represented as [r+imm]. If \p EncodingAlignment
+ /// is non-zero, only accept displacement which is not suitable for [r+imm].
+ /// Returns false if it can be represented by [r+imm], which are preferred.
bool SelectAddressRegReg(SDValue N, SDValue &Base, SDValue &Index,
- SelectionDAG &DAG) const;
+ SelectionDAG &DAG,
+ unsigned EncodingAlignment = 0) const;
/// SelectAddressRegImm - Returns true if the address N can be represented
/// by a base register plus a signed 16-bit displacement [r+imm], and if it
- /// is not better represented as reg+reg. If Aligned is true, only accept
- /// displacements suitable for STD and friends, i.e. multiples of 4.
+ /// is not better represented as reg+reg. If \p EncodingAlignment is
+ /// non-zero, only accept displacements suitable for instruction encoding
+ /// requirement, i.e. multiples of 4 for DS form.
bool SelectAddressRegImm(SDValue N, SDValue &Disp, SDValue &Base,
- SelectionDAG &DAG, unsigned Alignment) const;
+ SelectionDAG &DAG,
+ unsigned EncodingAlignment) const;
/// SelectAddressRegRegOnly - Given the specified addressed, force it to be
/// represented as an indexed [r+r] operation.
@@ -833,14 +858,14 @@ namespace llvm {
EVT
getOptimalMemOpType(uint64_t Size, unsigned DstAlign, unsigned SrcAlign,
bool IsMemset, bool ZeroMemset, bool MemcpyStrSrc,
- MachineFunction &MF) const override;
+ const AttributeList &FuncAttributes) const override;
/// Is unaligned memory access allowed for the given type, and is it fast
/// relative to software emulation.
- bool allowsMisalignedMemoryAccesses(EVT VT,
- unsigned AddrSpace,
- unsigned Align = 1,
- bool *Fast = nullptr) const override;
+ bool allowsMisalignedMemoryAccesses(
+ EVT VT, unsigned AddrSpace, unsigned Align = 1,
+ MachineMemOperand::Flags Flags = MachineMemOperand::MONone,
+ bool *Fast = nullptr) const override;
/// isFMAFasterThanFMulAndFAdd - Return true if an FMA operation is faster
/// than a pair of fmul and fadd instructions. fmuladd intrinsics will be
@@ -888,7 +913,8 @@ namespace llvm {
bool useLoadStackGuardNode() const override;
void insertSSPDeclarations(Module &M) const override;
- bool isFPImmLegal(const APFloat &Imm, EVT VT) const override;
+ bool isFPImmLegal(const APFloat &Imm, EVT VT,
+ bool ForCodeSize) const override;
unsigned getJumpTableEncoding() const override;
bool isJumpTableRelative() const override;
@@ -898,14 +924,6 @@ namespace llvm {
unsigned JTI,
MCContext &Ctx) const override;
- unsigned getNumRegistersForCallingConv(LLVMContext &Context,
- CallingConv:: ID CC,
- EVT VT) const override;
-
- MVT getRegisterTypeForCallingConv(LLVMContext &Context,
- CallingConv:: ID CC,
- EVT VT) const override;
-
private:
struct ReuseLoadInfo {
SDValue Ptr;
@@ -953,6 +971,8 @@ namespace llvm {
SDValue LowerINT_TO_FPVector(SDValue Op, SelectionDAG &DAG,
const SDLoc &dl) const;
+ SDValue LowerTRUNCATEVector(SDValue Op, SelectionDAG &DAG) const;
+
SDValue getFramePointerFrameIndex(SelectionDAG & DAG) const;
SDValue getReturnAddrFrameIndex(SelectionDAG & DAG) const;
@@ -1019,6 +1039,7 @@ namespace llvm {
SDValue LowerSIGN_EXTEND_INREG(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerMUL(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerABS(SDValue Op, SelectionDAG &DAG) const;
+ SDValue LowerFP_EXTEND(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerVectorLoad(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerVectorStore(SDValue Op, SelectionDAG &DAG) const;
@@ -1106,6 +1127,15 @@ namespace llvm {
const SDLoc &dl, SelectionDAG &DAG,
SmallVectorImpl<SDValue> &InVals,
ImmutableCallSite CS) const;
+ SDValue LowerCall_AIX(SDValue Chain, SDValue Callee,
+ CallingConv::ID CallConv, bool isVarArg,
+ bool isTailCall, bool isPatchPoint,
+ const SmallVectorImpl<ISD::OutputArg> &Outs,
+ const SmallVectorImpl<SDValue> &OutVals,
+ const SmallVectorImpl<ISD::InputArg> &Ins,
+ const SDLoc &dl, SelectionDAG &DAG,
+ SmallVectorImpl<SDValue> &InVals,
+ ImmutableCallSite CS) const;
SDValue lowerEH_SJLJ_SETJMP(SDValue Op, SelectionDAG &DAG) const;
SDValue lowerEH_SJLJ_LONGJMP(SDValue Op, SelectionDAG &DAG) const;
@@ -1119,6 +1149,7 @@ namespace llvm {
SDValue combineSHL(SDNode *N, DAGCombinerInfo &DCI) const;
SDValue combineSRA(SDNode *N, DAGCombinerInfo &DCI) const;
SDValue combineSRL(SDNode *N, DAGCombinerInfo &DCI) const;
+ SDValue combineMUL(SDNode *N, DAGCombinerInfo &DCI) const;
SDValue combineADD(SDNode *N, DAGCombinerInfo &DCI) const;
SDValue combineTRUNCATE(SDNode *N, DAGCombinerInfo &DCI) const;
SDValue combineSetCC(SDNode *N, DAGCombinerInfo &DCI) const;
@@ -1137,8 +1168,6 @@ namespace llvm {
int &RefinementSteps) const override;
unsigned combineRepeatedFPDivisors() const override;
- CCAssignFn *useFastISelCCs(unsigned Flag) const;
-
SDValue
combineElementTruncationToVectorTruncation(SDNode *N,
DAGCombinerInfo &DCI) const;
@@ -1169,30 +1198,6 @@ namespace llvm {
} // end namespace PPC
- bool CC_PPC32_SVR4_Custom_Dummy(unsigned &ValNo, MVT &ValVT, MVT &LocVT,
- CCValAssign::LocInfo &LocInfo,
- ISD::ArgFlagsTy &ArgFlags,
- CCState &State);
-
- bool CC_PPC32_SVR4_Custom_AlignArgRegs(unsigned &ValNo, MVT &ValVT,
- MVT &LocVT,
- CCValAssign::LocInfo &LocInfo,
- ISD::ArgFlagsTy &ArgFlags,
- CCState &State);
-
- bool
- CC_PPC32_SVR4_Custom_SkipLastArgRegsPPCF128(unsigned &ValNo, MVT &ValVT,
- MVT &LocVT,
- CCValAssign::LocInfo &LocInfo,
- ISD::ArgFlagsTy &ArgFlags,
- CCState &State);
-
- bool CC_PPC32_SVR4_Custom_AlignFPArgRegs(unsigned &ValNo, MVT &ValVT,
- MVT &LocVT,
- CCValAssign::LocInfo &LocInfo,
- ISD::ArgFlagsTy &ArgFlags,
- CCState &State);
-
bool isIntS16Immediate(SDNode *N, int16_t &Imm);
bool isIntS16Immediate(SDValue Op, int16_t &Imm);
generated by cgit v1.3 (git 2.53.0) at 2026-07-24 20:41:41 +0000