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usr / src / contrib / llvm-project / llvm / lib / Target / WebAssembly /

📁 ..
📁 AsmParser
📁 Disassembler
📁 MCTargetDesc
📄 README.txt(8.34 KB)
📁 TargetInfo
📄 WebAssembly.h(4.05 KB)
📄 WebAssembly.td(4.85 KB)
📄 WebAssemblyAddMissingPrototypes.cpp(5.41 KB)
📄 WebAssemblyArgumentMove.cpp(3.36 KB)
📄 WebAssemblyAsmPrinter.cpp(16.09 KB)
📄 WebAssemblyAsmPrinter.h(3.12 KB)
📄 WebAssemblyCFGSort.cpp(15.94 KB)
📄 WebAssemblyCFGStackify.cpp(55.56 KB)
📄 WebAssemblyDebugFixup.cpp(5.4 KB)
📄 WebAssemblyDebugValueManager.cpp(1.77 KB)
📄 WebAssemblyDebugValueManager.h(1.13 KB)
📄 WebAssemblyExceptionInfo.cpp(6.23 KB)
📄 WebAssemblyExceptionInfo.h(6.24 KB)
📄 WebAssemblyExplicitLocals.cpp(15.04 KB)
📄 WebAssemblyFastISel.cpp(40.39 KB)
📄 WebAssemblyFixBrTableDefaults.cpp(5.81 KB)
📄 WebAssemblyFixFunctionBitcasts.cpp(12.59 KB)
📄 WebAssemblyFixIrreducibleControlFlow.cpp(18.91 KB)
📄 WebAssemblyFrameLowering.cpp(12.68 KB)
📄 WebAssemblyFrameLowering.h(2.98 KB)
📄 WebAssemblyISD.def(1.17 KB)
📄 WebAssemblyISelDAGToDAG.cpp(9.08 KB)
📄 WebAssemblyISelLowering.cpp(68.59 KB)
📄 WebAssemblyISelLowering.h(5.85 KB)
📄 WebAssemblyInstrAtomics.td(48.5 KB)
📄 WebAssemblyInstrBulkMemory.td(2.84 KB)
📄 WebAssemblyInstrCall.td(3.21 KB)
📄 WebAssemblyInstrControl.td(7.93 KB)
📄 WebAssemblyInstrConv.td(14.1 KB)
📄 WebAssemblyInstrFloat.td(6.03 KB)
📄 WebAssemblyInstrFormats.td(3.1 KB)
📄 WebAssemblyInstrInfo.cpp(8.21 KB)
📄 WebAssemblyInstrInfo.h(2.63 KB)
📄 WebAssemblyInstrInfo.td(14.37 KB)
📄 WebAssemblyInstrInteger.td(6.05 KB)
📄 WebAssemblyInstrMemory.td(18.63 KB)
📄 WebAssemblyInstrRef.td(1.15 KB)
📄 WebAssemblyInstrSIMD.td(39.08 KB)
📄 WebAssemblyLateEHPrepare.cpp(14.57 KB)
📄 WebAssemblyLowerBrUnless.cpp(6.21 KB)
📄 WebAssemblyLowerEmscriptenEHSjLj.cpp(45.45 KB)
📄 WebAssemblyLowerGlobalDtors.cpp(7.79 KB)
📄 WebAssemblyMCInstLower.cpp(13.72 KB)
📄 WebAssemblyMCInstLower.h(1.63 KB)
📄 WebAssemblyMachineFunctionInfo.cpp(4.29 KB)
📄 WebAssemblyMachineFunctionInfo.h(6.75 KB)
📄 WebAssemblyMemIntrinsicResults.cpp(7.39 KB)
📄 WebAssemblyOptimizeLiveIntervals.cpp(4.61 KB)
📄 WebAssemblyOptimizeReturned.cpp(2.46 KB)
📄 WebAssemblyPeephole.cpp(6.33 KB)
📄 WebAssemblyPrepareForLiveIntervals.cpp(4.34 KB)
📄 WebAssemblyRegColoring.cpp(6.37 KB)
📄 WebAssemblyRegNumbering.cpp(3.86 KB)
📄 WebAssemblyRegStackify.cpp(38.22 KB)
📄 WebAssemblyRegisterInfo.cpp(6.21 KB)
📄 WebAssemblyRegisterInfo.h(1.74 KB)
📄 WebAssemblyRegisterInfo.td(2.83 KB)
📄 WebAssemblyReplacePhysRegs.cpp(3.89 KB)
📄 WebAssemblyRuntimeLibcallSignatures.cpp(33.82 KB)
📄 WebAssemblyRuntimeLibcallSignatures.h(1.37 KB)
📄 WebAssemblySelectionDAGInfo.cpp(2.57 KB)
📄 WebAssemblySelectionDAGInfo.h(1.94 KB)
📄 WebAssemblySetP2AlignOperands.cpp(3.32 KB)
📄 WebAssemblySubtarget.cpp(2.18 KB)
📄 WebAssemblySubtarget.h(3.88 KB)
📄 WebAssemblyTargetMachine.cpp(18.85 KB)
📄 WebAssemblyTargetMachine.h(2.29 KB)
📄 WebAssemblyTargetObjectFile.cpp(886 B)
📄 WebAssemblyTargetObjectFile.h(959 B)
📄 WebAssemblyTargetTransformInfo.cpp(2.9 KB)
📄 WebAssemblyTargetTransformInfo.h(2.5 KB)
📄 WebAssemblyUtilities.cpp(3.43 KB)
📄 WebAssemblyUtilities.h(1.8 KB)
📄 known_gcc_test_failures.txt(2.07 KB)

Editing: WebAssemblyInstrInteger.td

// WebAssemblyInstrInteger.td-WebAssembly Integer codegen -------*- tablegen -*-
//
// 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
//
//===----------------------------------------------------------------------===//
///
/// \file
/// WebAssembly Integer operand code-gen constructs.
///
//===----------------------------------------------------------------------===//

multiclass UnaryInt<SDNode node, string name, bits<32> i32Inst,
                    bits<32> i64Inst> {
  defm _I32 : I<(outs I32:$dst), (ins I32:$src), (outs), (ins),
                [(set I32:$dst, (node I32:$src))],
                !strconcat("i32.", !strconcat(name, "\t$dst, $src")),
                !strconcat("i32.", name), i32Inst>;
  defm _I64 : I<(outs I64:$dst), (ins I64:$src), (outs), (ins),
                [(set I64:$dst, (node I64:$src))],
                !strconcat("i64.", !strconcat(name, "\t$dst, $src")),
                !strconcat("i64.", name), i64Inst>;
}
multiclass BinaryInt<SDNode node, string name, bits<32> i32Inst,
                     bits<32> i64Inst> {
  defm _I32 : I<(outs I32:$dst), (ins I32:$lhs, I32:$rhs), (outs), (ins),
                [(set I32:$dst, (node I32:$lhs, I32:$rhs))],
                !strconcat("i32.", !strconcat(name, "\t$dst, $lhs, $rhs")),
                !strconcat("i32.", name), i32Inst>;
  defm _I64 : I<(outs I64:$dst), (ins I64:$lhs, I64:$rhs), (outs), (ins),
                [(set I64:$dst, (node I64:$lhs, I64:$rhs))],
                !strconcat("i64.", !strconcat(name, "\t$dst, $lhs, $rhs")),
                !strconcat("i64.", name), i64Inst>;
}
multiclass ComparisonInt<CondCode cond, string name, bits<32> i32Inst, bits<32> i64Inst> {
  defm _I32 : I<(outs I32:$dst), (ins I32:$lhs, I32:$rhs), (outs), (ins),
                [(set I32:$dst, (setcc I32:$lhs, I32:$rhs, cond))],
                !strconcat("i32.", !strconcat(name, "\t$dst, $lhs, $rhs")),
                !strconcat("i32.", name), i32Inst>;
  defm _I64 : I<(outs I32:$dst), (ins I64:$lhs, I64:$rhs), (outs), (ins),
                [(set I32:$dst, (setcc I64:$lhs, I64:$rhs, cond))],
                !strconcat("i64.", !strconcat(name, "\t$dst, $lhs, $rhs")),
                !strconcat("i64.", name), i64Inst>;
}

// The spaces after the names are for aesthetic purposes only, to make
// operands line up vertically after tab expansion.
let isCommutable = 1 in
defm ADD : BinaryInt<add, "add ", 0x6a, 0x7c>;
defm SUB : BinaryInt<sub, "sub ", 0x6b, 0x7d>;
let isCommutable = 1 in
defm MUL : BinaryInt<mul, "mul ", 0x6c, 0x7e>;
// Divide and remainder trap on a zero denominator.
let hasSideEffects = 1 in {
defm DIV_S : BinaryInt<sdiv, "div_s", 0x6d, 0x7f>;
defm DIV_U : BinaryInt<udiv, "div_u", 0x6e, 0x80>;
defm REM_S : BinaryInt<srem, "rem_s", 0x6f, 0x81>;
defm REM_U : BinaryInt<urem, "rem_u", 0x70, 0x82>;
} // hasSideEffects = 1
let isCommutable = 1 in {
defm AND : BinaryInt<and, "and ", 0x71, 0x83>;
defm OR : BinaryInt<or, "or  ", 0x72, 0x84>;
defm XOR : BinaryInt<xor, "xor ", 0x73, 0x85>;
} // isCommutable = 1
defm SHL : BinaryInt<shl, "shl ", 0x74, 0x86>;
defm SHR_S : BinaryInt<sra, "shr_s", 0x75, 0x87>;
defm SHR_U : BinaryInt<srl, "shr_u", 0x76, 0x88>;
defm ROTL : BinaryInt<rotl, "rotl", 0x77, 0x89>;
defm ROTR : BinaryInt<rotr, "rotr", 0x78, 0x8a>;

let isCommutable = 1 in {
defm EQ : ComparisonInt<SETEQ, "eq  ", 0x46, 0x51>;
defm NE : ComparisonInt<SETNE, "ne  ", 0x47, 0x52>;
} // isCommutable = 1
defm LT_S : ComparisonInt<SETLT,  "lt_s", 0x48, 0x53>;
defm LT_U : ComparisonInt<SETULT, "lt_u", 0x49, 0x54>;
defm GT_S : ComparisonInt<SETGT,  "gt_s", 0x4a, 0x55>;
defm GT_U : ComparisonInt<SETUGT, "gt_u", 0x4b, 0x56>;
defm LE_S : ComparisonInt<SETLE,  "le_s", 0x4c, 0x57>;
defm LE_U : ComparisonInt<SETULE, "le_u", 0x4d, 0x58>;
defm GE_S : ComparisonInt<SETGE,  "ge_s", 0x4e, 0x59>;
defm GE_U : ComparisonInt<SETUGE, "ge_u", 0x4f, 0x5a>;

defm CLZ : UnaryInt<ctlz, "clz ", 0x67, 0x79>;
defm CTZ : UnaryInt<cttz, "ctz ", 0x68, 0x7a>;
defm POPCNT : UnaryInt<ctpop, "popcnt", 0x69, 0x7b>;

defm EQZ_I32 : I<(outs I32:$dst), (ins I32:$src), (outs), (ins),
                 [(set I32:$dst, (setcc I32:$src, 0, SETEQ))],
                 "i32.eqz \t$dst, $src", "i32.eqz", 0x45>;
defm EQZ_I64 : I<(outs I32:$dst), (ins I64:$src), (outs), (ins),
                 [(set I32:$dst, (setcc I64:$src, 0, SETEQ))],
                 "i64.eqz \t$dst, $src", "i64.eqz", 0x50>;

// Optimize away an explicit mask on a rotate count.
def : Pat<(rotl I32:$lhs, (and I32:$rhs, 31)), (ROTL_I32 I32:$lhs, I32:$rhs)>;
def : Pat<(rotr I32:$lhs, (and I32:$rhs, 31)), (ROTR_I32 I32:$lhs, I32:$rhs)>;
def : Pat<(rotl I64:$lhs, (and I64:$rhs, 63)), (ROTL_I64 I64:$lhs, I64:$rhs)>;
def : Pat<(rotr I64:$lhs, (and I64:$rhs, 63)), (ROTR_I64 I64:$lhs, I64:$rhs)>;

defm SELECT_I32 : I<(outs I32:$dst), (ins I32:$lhs, I32:$rhs, I32:$cond),
                    (outs), (ins),
                    [(set I32:$dst, (select I32:$cond, I32:$lhs, I32:$rhs))],
                    "i32.select\t$dst, $lhs, $rhs, $cond", "i32.select", 0x1b>;
defm SELECT_I64 : I<(outs I64:$dst), (ins I64:$lhs, I64:$rhs, I32:$cond),
                    (outs), (ins),
                    [(set I64:$dst, (select I32:$cond, I64:$lhs, I64:$rhs))],
                    "i64.select\t$dst, $lhs, $rhs, $cond", "i64.select", 0x1b>;

// ISD::SELECT requires its operand to conform to getBooleanContents, but
// WebAssembly's select interprets any non-zero value as true, so we can fold
// a setne with 0 into a select.
def : Pat<(select (i32 (setne I32:$cond, 0)), I32:$lhs, I32:$rhs),
          (SELECT_I32 I32:$lhs, I32:$rhs, I32:$cond)>;
def : Pat<(select (i32 (setne I32:$cond, 0)), I64:$lhs, I64:$rhs),
          (SELECT_I64 I64:$lhs, I64:$rhs, I32:$cond)>;

// And again, this time with seteq instead of setne and the arms reversed.
def : Pat<(select (i32 (seteq I32:$cond, 0)), I32:$lhs, I32:$rhs),
          (SELECT_I32 I32:$rhs, I32:$lhs, I32:$cond)>;
def : Pat<(select (i32 (seteq I32:$cond, 0)), I64:$lhs, I64:$rhs),
          (SELECT_I64 I64:$rhs, I64:$lhs, I32:$cond)>;

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Editing: WebAssemblyInstrInteger.td

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