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Add a setOperationPromotedToType convenience method that sets an operation to promoted and set the type in one call. Use it so save code in X86.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@266413 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper 2016-04-15 06:20:18 +00:00
parent 8d5bfc6173
commit cf943896dc
2 changed files with 25 additions and 36 deletions
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7
include/llvm/Target/TargetLowering.h
View File

@ -1422,6 +1422,13 @@ protected:
PromoteToType[std::make_pair(Opc, OrigVT.SimpleTy)] = DestVT.SimpleTy;
}
/// Convenience method to set an operation to Promote and specify the type
/// in a single call.
void setOperationPromotedToType(unsigned Opc, MVT OrigVT, MVT DestVT) {
setOperationAction(Opc, OrigVT, Promote);
AddPromotedToType(Opc, OrigVT, DestVT);
}
/// Targets should invoke this method for each target independent node that
/// they want to provide a custom DAG combiner for by implementing the
/// PerformDAGCombine virtual method.

54
lib/Target/X86/X86ISelLowering.cpp
View File

@ -324,10 +324,8 @@ X86TargetLowering::X86TargetLowering(const X86TargetMachine &TM,
// Promote the i8 variants and force them on up to i32 which has a shorter
// encoding.
setOperationAction(ISD::CTTZ , MVT::i8 , Promote);
AddPromotedToType (ISD::CTTZ , MVT::i8 , MVT::i32);
setOperationAction(ISD::CTTZ_ZERO_UNDEF , MVT::i8 , Promote);
AddPromotedToType (ISD::CTTZ_ZERO_UNDEF , MVT::i8 , MVT::i32);
setOperationPromotedToType(ISD::CTTZ , MVT::i8 , MVT::i32);
setOperationPromotedToType(ISD::CTTZ_ZERO_UNDEF, MVT::i8 , MVT::i32);
if (Subtarget.hasBMI()) {
setOperationAction(ISD::CTTZ_ZERO_UNDEF, MVT::i16 , Expand);
setOperationAction(ISD::CTTZ_ZERO_UNDEF, MVT::i32 , Expand);
@ -343,10 +341,8 @@ X86TargetLowering::X86TargetLowering(const X86TargetMachine &TM,
if (Subtarget.hasLZCNT()) {
// When promoting the i8 variants, force them to i32 for a shorter
// encoding.
setOperationAction(ISD::CTLZ , MVT::i8 , Promote);
AddPromotedToType (ISD::CTLZ , MVT::i8 , MVT::i32);
setOperationAction(ISD::CTLZ_ZERO_UNDEF, MVT::i8 , Promote);
AddPromotedToType (ISD::CTLZ_ZERO_UNDEF, MVT::i8 , MVT::i32);
setOperationPromotedToType(ISD::CTLZ , MVT::i8 , MVT::i32);
setOperationPromotedToType(ISD::CTLZ_ZERO_UNDEF, MVT::i8 , MVT::i32);
setOperationAction(ISD::CTLZ_ZERO_UNDEF, MVT::i16 , Expand);
setOperationAction(ISD::CTLZ_ZERO_UNDEF, MVT::i32 , Expand);
if (Subtarget.is64Bit())
@ -885,16 +881,11 @@ X86TargetLowering::X86TargetLowering(const X86TargetMachine &TM,
// Promote v16i8, v8i16, v4i32 load, select, and, or, xor to v2i64.
for (auto VT : { MVT::v16i8, MVT::v8i16, MVT::v4i32 }) {
setOperationAction(ISD::AND, VT, Promote);
AddPromotedToType (ISD::AND, VT, MVT::v2i64);
setOperationAction(ISD::OR, VT, Promote);
AddPromotedToType (ISD::OR, VT, MVT::v2i64);
setOperationAction(ISD::XOR, VT, Promote);
AddPromotedToType (ISD::XOR, VT, MVT::v2i64);
setOperationAction(ISD::LOAD, VT, Promote);
AddPromotedToType (ISD::LOAD, VT, MVT::v2i64);
setOperationAction(ISD::SELECT, VT, Promote);
AddPromotedToType (ISD::SELECT, VT, MVT::v2i64);
setOperationPromotedToType(ISD::AND, VT, MVT::v2i64);
setOperationPromotedToType(ISD::OR, VT, MVT::v2i64);
setOperationPromotedToType(ISD::XOR, VT, MVT::v2i64);
setOperationPromotedToType(ISD::LOAD, VT, MVT::v2i64);
setOperationPromotedToType(ISD::SELECT, VT, MVT::v2i64);
}
// Custom lower v2i64 and v2f64 selects.
@ -1203,16 +1194,11 @@ X86TargetLowering::X86TargetLowering(const X86TargetMachine &TM,
// Promote v32i8, v16i16, v8i32 select, and, or, xor to v4i64.
for (auto VT : { MVT::v32i8, MVT::v16i16, MVT::v8i32 }) {
setOperationAction(ISD::AND, VT, Promote);
AddPromotedToType (ISD::AND, VT, MVT::v4i64);
setOperationAction(ISD::OR, VT, Promote);
AddPromotedToType (ISD::OR, VT, MVT::v4i64);
setOperationAction(ISD::XOR, VT, Promote);
AddPromotedToType (ISD::XOR, VT, MVT::v4i64);
setOperationAction(ISD::LOAD, VT, Promote);
AddPromotedToType (ISD::LOAD, VT, MVT::v4i64);
setOperationAction(ISD::SELECT, VT, Promote);
AddPromotedToType (ISD::SELECT, VT, MVT::v4i64);
setOperationPromotedToType(ISD::AND, VT, MVT::v4i64);
setOperationPromotedToType(ISD::OR, VT, MVT::v4i64);
setOperationPromotedToType(ISD::XOR, VT, MVT::v4i64);
setOperationPromotedToType(ISD::LOAD, VT, MVT::v4i64);
setOperationPromotedToType(ISD::SELECT, VT, MVT::v4i64);
}
}
@ -1496,8 +1482,7 @@ X86TargetLowering::X86TargetLowering(const X86TargetMachine &TM,
}
}
for (auto VT : { MVT::v64i8, MVT::v32i16, MVT::v16i32 }) {
setOperationAction(ISD::SELECT, VT, Promote);
AddPromotedToType (ISD::SELECT, VT, MVT::v8i64);
setOperationPromotedToType(ISD::SELECT, VT, MVT::v8i64);
}
}// has AVX-512
@ -1592,12 +1577,9 @@ X86TargetLowering::X86TargetLowering(const X86TargetMachine &TM,
setOperationAction(ISD::MLOAD, VT, Legal);
setOperationAction(ISD::MSTORE, VT, Legal);
setOperationAction(ISD::AND, VT, Promote);
AddPromotedToType (ISD::AND, VT, MVT::v8i64);
setOperationAction(ISD::OR, VT, Promote);
AddPromotedToType (ISD::OR, VT, MVT::v8i64);
setOperationAction(ISD::XOR, VT, Promote);
AddPromotedToType (ISD::XOR, VT, MVT::v8i64);
setOperationPromotedToType(ISD::AND, VT, MVT::v8i64);
setOperationPromotedToType(ISD::OR, VT, MVT::v8i64);
setOperationPromotedToType(ISD::XOR, VT, MVT::v8i64);
}
}