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-rw-r--r--lib/CodeGen/TargetLoweringBase.cpp87
1 files changed, 66 insertions, 21 deletions
diff --git a/lib/CodeGen/TargetLoweringBase.cpp b/lib/CodeGen/TargetLoweringBase.cpp
index c574fd4..e833fd3 100644
--- a/lib/CodeGen/TargetLoweringBase.cpp
+++ b/lib/CodeGen/TargetLoweringBase.cpp
@@ -34,6 +34,7 @@
#include "llvm/Target/TargetLoweringObjectFile.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetRegisterInfo.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
#include <cctype>
using namespace llvm;
@@ -205,6 +206,16 @@ static void InitLibcallNames(const char **Names, const Triple &TT) {
Names[RTLIB::FLOOR_F80] = "floorl";
Names[RTLIB::FLOOR_F128] = "floorl";
Names[RTLIB::FLOOR_PPCF128] = "floorl";
+ Names[RTLIB::FMIN_F32] = "fminf";
+ Names[RTLIB::FMIN_F64] = "fmin";
+ Names[RTLIB::FMIN_F80] = "fminl";
+ Names[RTLIB::FMIN_F128] = "fminl";
+ Names[RTLIB::FMIN_PPCF128] = "fminl";
+ Names[RTLIB::FMAX_F32] = "fmaxf";
+ Names[RTLIB::FMAX_F64] = "fmax";
+ Names[RTLIB::FMAX_F80] = "fmaxl";
+ Names[RTLIB::FMAX_F128] = "fmaxl";
+ Names[RTLIB::FMAX_PPCF128] = "fmaxl";
Names[RTLIB::ROUND_F32] = "roundf";
Names[RTLIB::ROUND_F64] = "round";
Names[RTLIB::ROUND_F80] = "roundl";
@@ -220,6 +231,10 @@ static void InitLibcallNames(const char **Names, const Triple &TT) {
Names[RTLIB::FPEXT_F32_F64] = "__extendsfdf2";
Names[RTLIB::FPEXT_F16_F32] = "__gnu_h2f_ieee";
Names[RTLIB::FPROUND_F32_F16] = "__gnu_f2h_ieee";
+ Names[RTLIB::FPROUND_F64_F16] = "__truncdfhf2";
+ Names[RTLIB::FPROUND_F80_F16] = "__truncxfhf2";
+ Names[RTLIB::FPROUND_F128_F16] = "__trunctfhf2";
+ Names[RTLIB::FPROUND_PPCF128_F16] = "__trunctfhf2";
Names[RTLIB::FPROUND_F64_F32] = "__truncdfsf2";
Names[RTLIB::FPROUND_F80_F32] = "__truncxfsf2";
Names[RTLIB::FPROUND_F128_F32] = "__trunctfsf2";
@@ -418,7 +433,10 @@ static void InitLibcallCallingConvs(CallingConv::ID *CCs) {
/// getFPEXT - Return the FPEXT_*_* value for the given types, or
/// UNKNOWN_LIBCALL if there is none.
RTLIB::Libcall RTLIB::getFPEXT(EVT OpVT, EVT RetVT) {
- if (OpVT == MVT::f32) {
+ if (OpVT == MVT::f16) {
+ if (RetVT == MVT::f32)
+ return FPEXT_F16_F32;
+ } else if (OpVT == MVT::f32) {
if (RetVT == MVT::f64)
return FPEXT_F32_F64;
if (RetVT == MVT::f128)
@@ -434,7 +452,18 @@ RTLIB::Libcall RTLIB::getFPEXT(EVT OpVT, EVT RetVT) {
/// getFPROUND - Return the FPROUND_*_* value for the given types, or
/// UNKNOWN_LIBCALL if there is none.
RTLIB::Libcall RTLIB::getFPROUND(EVT OpVT, EVT RetVT) {
- if (RetVT == MVT::f32) {
+ if (RetVT == MVT::f16) {
+ if (OpVT == MVT::f32)
+ return FPROUND_F32_F16;
+ if (OpVT == MVT::f64)
+ return FPROUND_F64_F16;
+ if (OpVT == MVT::f80)
+ return FPROUND_F80_F16;
+ if (OpVT == MVT::f128)
+ return FPROUND_F128_F16;
+ if (OpVT == MVT::ppcf128)
+ return FPROUND_PPCF128_F16;
+ } else if (RetVT == MVT::f32) {
if (OpVT == MVT::f64)
return FPROUND_F64_F32;
if (OpVT == MVT::f80)
@@ -665,10 +694,9 @@ static void InitCmpLibcallCCs(ISD::CondCode *CCs) {
CCs[RTLIB::O_F128] = ISD::SETEQ;
}
-/// NOTE: The constructor takes ownership of TLOF.
-TargetLoweringBase::TargetLoweringBase(const TargetMachine &tm,
- const TargetLoweringObjectFile *tlof)
- : TM(tm), DL(TM.getDataLayout()), TLOF(*tlof) {
+/// NOTE: The TargetMachine owns TLOF.
+TargetLoweringBase::TargetLoweringBase(const TargetMachine &tm)
+ : TM(tm), DL(TM.getSubtargetImpl()->getDataLayout()) {
initActions();
// Perform these initializations only once.
@@ -682,10 +710,11 @@ TargetLoweringBase::TargetLoweringBase(const TargetMachine &tm,
HasMultipleConditionRegisters = false;
HasExtractBitsInsn = false;
IntDivIsCheap = false;
- Pow2DivIsCheap = false;
+ Pow2SDivIsCheap = false;
JumpIsExpensive = false;
PredictableSelectIsExpensive = false;
MaskAndBranchFoldingIsLegal = false;
+ HasFloatingPointExceptions = true;
StackPointerRegisterToSaveRestore = 0;
ExceptionPointerRegister = 0;
ExceptionSelectorRegister = 0;
@@ -700,7 +729,6 @@ TargetLoweringBase::TargetLoweringBase(const TargetMachine &tm,
PrefLoopAlignment = 0;
MinStackArgumentAlignment = 1;
InsertFencesForAtomic = false;
- SupportJumpTables = true;
MinimumJumpTableEntries = 4;
InitLibcallNames(LibcallRoutineNames, Triple(TM.getTargetTriple()));
@@ -708,10 +736,6 @@ TargetLoweringBase::TargetLoweringBase(const TargetMachine &tm,
InitLibcallCallingConvs(LibcallCallingConvs);
}
-TargetLoweringBase::~TargetLoweringBase() {
- delete &TLOF;
-}
-
void TargetLoweringBase::initActions() {
// All operations default to being supported.
memset(OpActions, 0, sizeof(OpActions));
@@ -738,6 +762,8 @@ void TargetLoweringBase::initActions() {
// These operations default to expand.
setOperationAction(ISD::FGETSIGN, (MVT::SimpleValueType)VT, Expand);
setOperationAction(ISD::CONCAT_VECTORS, (MVT::SimpleValueType)VT, Expand);
+ setOperationAction(ISD::FMINNUM, (MVT::SimpleValueType)VT, Expand);
+ setOperationAction(ISD::FMAXNUM, (MVT::SimpleValueType)VT, Expand);
// These library functions default to expand.
setOperationAction(ISD::FROUND, (MVT::SimpleValueType)VT, Expand);
@@ -774,6 +800,8 @@ void TargetLoweringBase::initActions() {
setOperationAction(ISD::FEXP , MVT::f16, Expand);
setOperationAction(ISD::FEXP2, MVT::f16, Expand);
setOperationAction(ISD::FFLOOR, MVT::f16, Expand);
+ setOperationAction(ISD::FMINNUM, MVT::f16, Expand);
+ setOperationAction(ISD::FMAXNUM, MVT::f16, Expand);
setOperationAction(ISD::FNEARBYINT, MVT::f16, Expand);
setOperationAction(ISD::FCEIL, MVT::f16, Expand);
setOperationAction(ISD::FRINT, MVT::f16, Expand);
@@ -785,6 +813,8 @@ void TargetLoweringBase::initActions() {
setOperationAction(ISD::FEXP , MVT::f32, Expand);
setOperationAction(ISD::FEXP2, MVT::f32, Expand);
setOperationAction(ISD::FFLOOR, MVT::f32, Expand);
+ setOperationAction(ISD::FMINNUM, MVT::f32, Expand);
+ setOperationAction(ISD::FMAXNUM, MVT::f32, Expand);
setOperationAction(ISD::FNEARBYINT, MVT::f32, Expand);
setOperationAction(ISD::FCEIL, MVT::f32, Expand);
setOperationAction(ISD::FRINT, MVT::f32, Expand);
@@ -796,6 +826,8 @@ void TargetLoweringBase::initActions() {
setOperationAction(ISD::FEXP , MVT::f64, Expand);
setOperationAction(ISD::FEXP2, MVT::f64, Expand);
setOperationAction(ISD::FFLOOR, MVT::f64, Expand);
+ setOperationAction(ISD::FMINNUM, MVT::f64, Expand);
+ setOperationAction(ISD::FMAXNUM, MVT::f64, Expand);
setOperationAction(ISD::FNEARBYINT, MVT::f64, Expand);
setOperationAction(ISD::FCEIL, MVT::f64, Expand);
setOperationAction(ISD::FRINT, MVT::f64, Expand);
@@ -807,6 +839,8 @@ void TargetLoweringBase::initActions() {
setOperationAction(ISD::FEXP , MVT::f128, Expand);
setOperationAction(ISD::FEXP2, MVT::f128, Expand);
setOperationAction(ISD::FFLOOR, MVT::f128, Expand);
+ setOperationAction(ISD::FMINNUM, MVT::f128, Expand);
+ setOperationAction(ISD::FMAXNUM, MVT::f128, Expand);
setOperationAction(ISD::FNEARBYINT, MVT::f128, Expand);
setOperationAction(ISD::FCEIL, MVT::f128, Expand);
setOperationAction(ISD::FRINT, MVT::f128, Expand);
@@ -958,11 +992,10 @@ TargetLoweringBase::emitPatchPoint(MachineInstr *MI,
// Add a new memory operand for this FI.
const MachineFrameInfo &MFI = *MF.getFrameInfo();
assert(MFI.getObjectOffset(FI) != -1);
- MachineMemOperand *MMO =
- MF.getMachineMemOperand(MachinePointerInfo::getFixedStack(FI),
- MachineMemOperand::MOLoad,
- TM.getDataLayout()->getPointerSize(),
- MFI.getObjectAlignment(FI));
+ MachineMemOperand *MMO = MF.getMachineMemOperand(
+ MachinePointerInfo::getFixedStack(FI), MachineMemOperand::MOLoad,
+ TM.getSubtargetImpl()->getDataLayout()->getPointerSize(),
+ MFI.getObjectAlignment(FI));
MIB->addMemOperand(MF, MMO);
// Replace the instruction and update the operand index.
@@ -978,7 +1011,8 @@ TargetLoweringBase::emitPatchPoint(MachineInstr *MI,
/// of the register class for the specified type and its associated "cost".
std::pair<const TargetRegisterClass*, uint8_t>
TargetLoweringBase::findRepresentativeClass(MVT VT) const {
- const TargetRegisterInfo *TRI = getTargetMachine().getRegisterInfo();
+ const TargetRegisterInfo *TRI =
+ getTargetMachine().getSubtargetImpl()->getRegisterInfo();
const TargetRegisterClass *RC = RegClassForVT[VT.SimpleTy];
if (!RC)
return std::make_pair(RC, 0);
@@ -1005,8 +1039,8 @@ TargetLoweringBase::findRepresentativeClass(MVT VT) const {
/// computeRegisterProperties - Once all of the register classes are added,
/// this allows us to compute derived properties we expose.
void TargetLoweringBase::computeRegisterProperties() {
- assert(MVT::LAST_VALUETYPE <= MVT::MAX_ALLOWED_VALUETYPE &&
- "Too many value types for ValueTypeActions to hold!");
+ static_assert(MVT::LAST_VALUETYPE <= MVT::MAX_ALLOWED_VALUETYPE,
+ "Too many value types for ValueTypeActions to hold!");
// Everything defaults to needing one register.
for (unsigned i = 0; i != MVT::LAST_VALUETYPE; ++i) {
@@ -1089,6 +1123,13 @@ void TargetLoweringBase::computeRegisterProperties() {
}
}
+ if (!isTypeLegal(MVT::f16)) {
+ NumRegistersForVT[MVT::f16] = NumRegistersForVT[MVT::i16];
+ RegisterTypeForVT[MVT::f16] = RegisterTypeForVT[MVT::i16];
+ TransformToType[MVT::f16] = MVT::i16;
+ ValueTypeActions.setTypeAction(MVT::f16, TypeSoftenFloat);
+ }
+
// Loop over all of the vector value types to see which need transformations.
for (unsigned i = MVT::FIRST_VECTOR_VALUETYPE;
i <= (unsigned)MVT::LAST_VECTOR_VALUETYPE; ++i) {
@@ -1154,8 +1195,12 @@ void TargetLoweringBase::computeRegisterProperties() {
TransformToType[i] = MVT::Other;
if (PreferredAction == TypeScalarizeVector)
ValueTypeActions.setTypeAction(VT, TypeScalarizeVector);
- else
+ else if (PreferredAction == TypeSplitVector)
ValueTypeActions.setTypeAction(VT, TypeSplitVector);
+ else
+ // Set type action according to the number of elements.
+ ValueTypeActions.setTypeAction(VT, NElts == 1 ? TypeScalarizeVector
+ : TypeSplitVector);
} else {
TransformToType[i] = NVT;
ValueTypeActions.setTypeAction(VT, TypeWidenVector);
generated by cgit v1.1 at 2024-05-17 21:17:53 +0000