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Instead of requiring TLI.LowerCallTo to return an ISD::BUILD_PAIR,

Browse Source 
use ISD::EXTRACT_ELEMENT. SelectionDAG has a special fast-path for
the cast of an EXTRACT_ELEMENT with a BUILD_PAIR operand, for the
common case.

llvm-svn: 69948
This commit is contained in:
Dan Gohman 2009-04-24 02:40:23 +00:00
parent f1177e1be7
commit 63dab69b36
1 changed files with 118 additions and 60 deletions
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178
lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
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@ -860,9 +860,12 @@ void DAGTypeLegalizer::ExpandFloatRes_FADD(SDNode *N, SDValue &Lo,
RTLIB::ADD_F32, RTLIB::ADD_F64,
RTLIB::ADD_F80, RTLIB::ADD_PPCF128),
N, false);
assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR &&
"Call lowered wrongly!");
Lo = Call.getOperand(0); Hi = Call.getOperand(1);
MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0));
DebugLoc dl = N->getDebugLoc();
Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(0));
Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(1));
}
void DAGTypeLegalizer::ExpandFloatRes_FCEIL(SDNode *N,
@ -871,9 +874,12 @@ void DAGTypeLegalizer::ExpandFloatRes_FCEIL(SDNode *N,
RTLIB::CEIL_F32, RTLIB::CEIL_F64,
RTLIB::CEIL_F80, RTLIB::CEIL_PPCF128),
N, false);
assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR &&
"Call lowered wrongly!");
Lo = Call.getOperand(0); Hi = Call.getOperand(1);
MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0));
DebugLoc dl = N->getDebugLoc();
Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(0));
Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(1));
}
void DAGTypeLegalizer::ExpandFloatRes_FCOS(SDNode *N,
@ -882,9 +888,12 @@ void DAGTypeLegalizer::ExpandFloatRes_FCOS(SDNode *N,
RTLIB::COS_F32, RTLIB::COS_F64,
RTLIB::COS_F80, RTLIB::COS_PPCF128),
N, false);
assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR &&
"Call lowered wrongly!");
Lo = Call.getOperand(0); Hi = Call.getOperand(1);
MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0));
DebugLoc dl = N->getDebugLoc();
Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(0));
Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(1));
}
void DAGTypeLegalizer::ExpandFloatRes_FDIV(SDNode *N, SDValue &Lo,
@ -897,9 +906,12 @@ void DAGTypeLegalizer::ExpandFloatRes_FDIV(SDNode *N, SDValue &Lo,
RTLIB::DIV_PPCF128),
N->getValueType(0), Ops, 2, false,
N->getDebugLoc());
assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR &&
"Call lowered wrongly!");
Lo = Call.getOperand(0); Hi = Call.getOperand(1);
MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0));
DebugLoc dl = N->getDebugLoc();
Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(0));
Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(1));
}
void DAGTypeLegalizer::ExpandFloatRes_FEXP(SDNode *N,
@ -908,9 +920,12 @@ void DAGTypeLegalizer::ExpandFloatRes_FEXP(SDNode *N,
RTLIB::EXP_F32, RTLIB::EXP_F64,
RTLIB::EXP_F80, RTLIB::EXP_PPCF128),
N, false);
assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR &&
"Call lowered wrongly!");
Lo = Call.getOperand(0); Hi = Call.getOperand(1);
MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0));
DebugLoc dl = N->getDebugLoc();
Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(0));
Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(1));
}
void DAGTypeLegalizer::ExpandFloatRes_FEXP2(SDNode *N,
@ -919,9 +934,12 @@ void DAGTypeLegalizer::ExpandFloatRes_FEXP2(SDNode *N,
RTLIB::EXP2_F32, RTLIB::EXP2_F64,
RTLIB::EXP2_F80, RTLIB::EXP2_PPCF128),
N, false);
assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR &&
"Call lowered wrongly!");
Lo = Call.getOperand(0); Hi = Call.getOperand(1);
MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0));
DebugLoc dl = N->getDebugLoc();
Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(0));
Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(1));
}
void DAGTypeLegalizer::ExpandFloatRes_FFLOOR(SDNode *N,
@ -930,9 +948,12 @@ void DAGTypeLegalizer::ExpandFloatRes_FFLOOR(SDNode *N,
RTLIB::FLOOR_F32,RTLIB::FLOOR_F64,
RTLIB::FLOOR_F80,RTLIB::FLOOR_PPCF128),
N, false);
assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR &&
"Call lowered wrongly!");
Lo = Call.getOperand(0); Hi = Call.getOperand(1);
MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0));
DebugLoc dl = N->getDebugLoc();
Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(0));
Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(1));
}
void DAGTypeLegalizer::ExpandFloatRes_FLOG(SDNode *N,
@ -941,9 +962,12 @@ void DAGTypeLegalizer::ExpandFloatRes_FLOG(SDNode *N,
RTLIB::LOG_F32, RTLIB::LOG_F64,
RTLIB::LOG_F80, RTLIB::LOG_PPCF128),
N, false);
assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR &&
"Call lowered wrongly!");
Lo = Call.getOperand(0); Hi = Call.getOperand(1);
MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0));
DebugLoc dl = N->getDebugLoc();
Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(0));
Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(1));
}
void DAGTypeLegalizer::ExpandFloatRes_FLOG2(SDNode *N,
@ -952,9 +976,12 @@ void DAGTypeLegalizer::ExpandFloatRes_FLOG2(SDNode *N,
RTLIB::LOG2_F32, RTLIB::LOG2_F64,
RTLIB::LOG2_F80, RTLIB::LOG2_PPCF128),
N, false);
assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR &&
"Call lowered wrongly!");
Lo = Call.getOperand(0); Hi = Call.getOperand(1);
MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0));
DebugLoc dl = N->getDebugLoc();
Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(0));
Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(1));
}
void DAGTypeLegalizer::ExpandFloatRes_FLOG10(SDNode *N,
@ -963,9 +990,12 @@ void DAGTypeLegalizer::ExpandFloatRes_FLOG10(SDNode *N,
RTLIB::LOG10_F32,RTLIB::LOG10_F64,
RTLIB::LOG10_F80,RTLIB::LOG10_PPCF128),
N, false);
assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR &&
"Call lowered wrongly!");
Lo = Call.getOperand(0); Hi = Call.getOperand(1);
MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0));
DebugLoc dl = N->getDebugLoc();
Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(0));
Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(1));
}
void DAGTypeLegalizer::ExpandFloatRes_FMUL(SDNode *N, SDValue &Lo,
@ -978,9 +1008,12 @@ void DAGTypeLegalizer::ExpandFloatRes_FMUL(SDNode *N, SDValue &Lo,
RTLIB::MUL_PPCF128),
N->getValueType(0), Ops, 2, false,
N->getDebugLoc());
assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR &&
"Call lowered wrongly!");
Lo = Call.getOperand(0); Hi = Call.getOperand(1);
MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0));
DebugLoc dl = N->getDebugLoc();
Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(0));
Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(1));
}
void DAGTypeLegalizer::ExpandFloatRes_FNEARBYINT(SDNode *N,
@ -991,9 +1024,12 @@ void DAGTypeLegalizer::ExpandFloatRes_FNEARBYINT(SDNode *N,
RTLIB::NEARBYINT_F80,
RTLIB::NEARBYINT_PPCF128),
N, false);
assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR &&
"Call lowered wrongly!");
Lo = Call.getOperand(0); Hi = Call.getOperand(1);
MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0));
DebugLoc dl = N->getDebugLoc();
Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(0));
Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(1));
}
void DAGTypeLegalizer::ExpandFloatRes_FNEG(SDNode *N, SDValue &Lo,
@ -1017,9 +1053,12 @@ void DAGTypeLegalizer::ExpandFloatRes_FPOW(SDNode *N,
RTLIB::POW_F32, RTLIB::POW_F64,
RTLIB::POW_F80, RTLIB::POW_PPCF128),
N, false);
assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR &&
"Call lowered wrongly!");
Lo = Call.getOperand(0); Hi = Call.getOperand(1);
MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0));
DebugLoc dl = N->getDebugLoc();
Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(0));
Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(1));
}
void DAGTypeLegalizer::ExpandFloatRes_FPOWI(SDNode *N,
@ -1028,9 +1067,12 @@ void DAGTypeLegalizer::ExpandFloatRes_FPOWI(SDNode *N,
RTLIB::POWI_F32, RTLIB::POWI_F64,
RTLIB::POWI_F80, RTLIB::POWI_PPCF128),
N, false);
assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR &&
"Call lowered wrongly!");
Lo = Call.getOperand(0); Hi = Call.getOperand(1);
MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0));
DebugLoc dl = N->getDebugLoc();
Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(0));
Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(1));
}
void DAGTypeLegalizer::ExpandFloatRes_FRINT(SDNode *N,
@ -1039,9 +1081,12 @@ void DAGTypeLegalizer::ExpandFloatRes_FRINT(SDNode *N,
RTLIB::RINT_F32, RTLIB::RINT_F64,
RTLIB::RINT_F80, RTLIB::RINT_PPCF128),
N, false);
assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR &&
"Call lowered wrongly!");
Lo = Call.getOperand(0); Hi = Call.getOperand(1);
MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0));
DebugLoc dl = N->getDebugLoc();
Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(0));
Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(1));
}
void DAGTypeLegalizer::ExpandFloatRes_FSIN(SDNode *N,
@ -1050,9 +1095,12 @@ void DAGTypeLegalizer::ExpandFloatRes_FSIN(SDNode *N,
RTLIB::SIN_F32, RTLIB::SIN_F64,
RTLIB::SIN_F80, RTLIB::SIN_PPCF128),
N, false);
assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR &&
"Call lowered wrongly!");
Lo = Call.getOperand(0); Hi = Call.getOperand(1);
MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0));
DebugLoc dl = N->getDebugLoc();
Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(0));
Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(1));
}
void DAGTypeLegalizer::ExpandFloatRes_FSQRT(SDNode *N,
@ -1061,9 +1109,12 @@ void DAGTypeLegalizer::ExpandFloatRes_FSQRT(SDNode *N,
RTLIB::SQRT_F32, RTLIB::SQRT_F64,
RTLIB::SQRT_F80, RTLIB::SQRT_PPCF128),
N, false);
assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR &&
"Call lowered wrongly!");
Lo = Call.getOperand(0); Hi = Call.getOperand(1);
MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0));
DebugLoc dl = N->getDebugLoc();
Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(0));
Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(1));
}
void DAGTypeLegalizer::ExpandFloatRes_FSUB(SDNode *N, SDValue &Lo,
@ -1076,9 +1127,12 @@ void DAGTypeLegalizer::ExpandFloatRes_FSUB(SDNode *N, SDValue &Lo,
RTLIB::SUB_PPCF128),
N->getValueType(0), Ops, 2, false,
N->getDebugLoc());
assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR &&
"Call lowered wrongly!");
Lo = Call.getOperand(0); Hi = Call.getOperand(1);
MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0));
DebugLoc dl = N->getDebugLoc();
Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(0));
Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(1));
}
void DAGTypeLegalizer::ExpandFloatRes_FTRUNC(SDNode *N,
@ -1087,9 +1141,12 @@ void DAGTypeLegalizer::ExpandFloatRes_FTRUNC(SDNode *N,
RTLIB::TRUNC_F32, RTLIB::TRUNC_F64,
RTLIB::TRUNC_F80, RTLIB::TRUNC_PPCF128),
N, false);
assert(Call.getNode()->getOpcode() == ISD::BUILD_PAIR &&
"Call lowered wrongly!");
Lo = Call.getOperand(0); Hi = Call.getOperand(1);
MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0));
DebugLoc dl = N->getDebugLoc();
Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(0));
Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Call,
DAG.getIntPtrConstant(1));
}
void DAGTypeLegalizer::ExpandFloatRes_LOAD(SDNode *N, SDValue &Lo,
@ -1157,9 +1214,10 @@ void DAGTypeLegalizer::ExpandFloatRes_XINT_TO_FP(SDNode *N, SDValue &Lo,
assert(LC != RTLIB::UNKNOWN_LIBCALL && "Unsupported XINT_TO_FP!");
Hi = MakeLibCall(LC, VT, &Src, 1, true, dl);
assert(Hi.getNode()->getOpcode() == ISD::BUILD_PAIR &&
"Call lowered wrongly!");
Lo = Hi.getOperand(0); Hi = Hi.getOperand(1);
Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Hi,
DAG.getIntPtrConstant(0));
Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, NVT, Hi,
DAG.getIntPtrConstant(1));
}
if (isSigned)