// WebAssembly-specific DAG Node Types.
//===----------------------------------------------------------------------===//
+def SDT_WebAssemblyCallSeqStart : SDCallSeqStart<[SDTCisVT<0, iPTR>]>;
+def SDT_WebAssemblyCallSeqEnd :
+ SDCallSeqEnd<[SDTCisVT<0, iPTR>, SDTCisVT<1, iPTR>]>;
+def SDT_WebAssemblyCall0 : SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>;
+def SDT_WebAssemblyCall1 : SDTypeProfile<1, -1, [SDTCisPtrTy<1>]>;
+def SDT_WebAssemblyTableswitch : SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>;
def SDT_WebAssemblyArgument : SDTypeProfile<1, 1, [SDTCisVT<1, i32>]>;
-def SDT_WebAssemblyReturn : SDTypeProfile<0, 1, []>;
+def SDT_WebAssemblyReturn : SDTypeProfile<0, -1, []>;
+def SDT_WebAssemblyWrapper : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>,
+ SDTCisPtrTy<0>]>;
//===----------------------------------------------------------------------===//
// WebAssembly-specific DAG Nodes.
//===----------------------------------------------------------------------===//
+def WebAssemblycallseq_start :
+ SDNode<"ISD::CALLSEQ_START", SDT_WebAssemblyCallSeqStart,
+ [SDNPHasChain, SDNPOutGlue]>;
+def WebAssemblycallseq_end :
+ SDNode<"ISD::CALLSEQ_END", SDT_WebAssemblyCallSeqEnd,
+ [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
+def WebAssemblycall0 : SDNode<"WebAssemblyISD::CALL0",
+ SDT_WebAssemblyCall0,
+ [SDNPHasChain, SDNPVariadic]>;
+def WebAssemblycall1 : SDNode<"WebAssemblyISD::CALL1",
+ SDT_WebAssemblyCall1,
+ [SDNPHasChain, SDNPVariadic]>;
+def WebAssemblytableswitch : SDNode<"WebAssemblyISD::TABLESWITCH",
+ SDT_WebAssemblyTableswitch,
+ [SDNPHasChain, SDNPVariadic]>;
def WebAssemblyargument : SDNode<"WebAssemblyISD::ARGUMENT",
SDT_WebAssemblyArgument>;
def WebAssemblyreturn : SDNode<"WebAssemblyISD::RETURN",
- SDT_WebAssemblyReturn,
- [SDNPHasChain, SDNPSideEffect]>;
+ SDT_WebAssemblyReturn, [SDNPHasChain]>;
+def WebAssemblywrapper : SDNode<"WebAssemblyISD::Wrapper",
+ SDT_WebAssemblyWrapper>;
//===----------------------------------------------------------------------===//
// WebAssembly-specific Operands.
//===----------------------------------------------------------------------===//
-/*
- * TODO(jfb): Add the following.
- *
- * get_local: read the current value of a local variable
- * set_local: set the current value of a local variable
-*/
+def bb_op : Operand<OtherVT>;
//===----------------------------------------------------------------------===//
// WebAssembly Instruction Format Definitions.
include "WebAssemblyInstrFormats.td"
-def ARGUMENT : I<(outs Int32:$res), (ins i32imm:$argno),
- [(set Int32:$res, (WebAssemblyargument timm:$argno))]>;
+//===----------------------------------------------------------------------===//
+// Additional instructions.
+//===----------------------------------------------------------------------===//
+
+multiclass ARGUMENT<WebAssemblyRegClass vt> {
+ let hasSideEffects = 1, Uses = [ARGUMENTS], isCodeGenOnly = 1 in
+ def ARGUMENT_#vt : I<(outs vt:$res), (ins i32imm:$argno),
+ [(set vt:$res, (WebAssemblyargument timm:$argno))]>;
+}
+defm : ARGUMENT<I32>;
+defm : ARGUMENT<I64>;
+defm : ARGUMENT<F32>;
+defm : ARGUMENT<F64>;
+
+let Defs = [ARGUMENTS] in {
+
+// get_local and set_local are not generated by instruction selection; they
+// are implied by virtual register uses and defs in most contexts. However,
+// they are explicitly emitted for special purposes.
+multiclass LOCAL<WebAssemblyRegClass vt> {
+ def GET_LOCAL_#vt : I<(outs vt:$res), (ins i32imm:$regno), [],
+ "get_local\t$res, $regno">;
+ // TODO: set_local returns its operand value
+ def SET_LOCAL_#vt : I<(outs), (ins i32imm:$regno, vt:$src), [],
+ "set_local\t$regno, $src">;
+
+ // COPY_LOCAL is not an actual instruction in wasm, but since we allow
+ // get_local and set_local to be implicit, we can have a COPY_LOCAL which
+ // is actually a no-op because all the work is done in the implied
+ // get_local and set_local.
+ let isAsCheapAsAMove = 1 in
+ def COPY_LOCAL_#vt : I<(outs vt:$res), (ins vt:$src), [],
+ "copy_local\t$res, $src">;
+}
+defm : LOCAL<I32>;
+defm : LOCAL<I64>;
+defm : LOCAL<F32>;
+defm : LOCAL<F64>;
+
+let isMoveImm = 1 in {
+def CONST_I32 : I<(outs I32:$res), (ins i32imm:$imm),
+ [(set I32:$res, imm:$imm)],
+ "i32.const\t$res, $imm">;
+def CONST_I64 : I<(outs I64:$res), (ins i64imm:$imm),
+ [(set I64:$res, imm:$imm)],
+ "i64.const\t$res, $imm">;
+def CONST_F32 : I<(outs F32:$res), (ins f32imm:$imm),
+ [(set F32:$res, fpimm:$imm)],
+ "f32.const\t$res, $imm">;
+def CONST_F64 : I<(outs F64:$res), (ins f64imm:$imm),
+ [(set F64:$res, fpimm:$imm)],
+ "f64.const\t$res, $imm">;
+} // isMoveImm = 1
+
+} // Defs = [ARGUMENTS]
+
+def : Pat<(i32 (WebAssemblywrapper tglobaladdr:$dst)),
+ (CONST_I32 tglobaladdr:$dst)>;
+def : Pat<(i32 (WebAssemblywrapper texternalsym:$dst)),
+ (CONST_I32 texternalsym:$dst)>;
+def : Pat<(i32 (WebAssemblywrapper tjumptable:$dst)),
+ (CONST_I32 tjumptable:$dst)>;
+
+let Defs = [ARGUMENTS] in {
+
+// Function signature and local variable declaration "instructions".
+def PARAM : I<(outs), (ins variable_ops), [], ".param \t">;
+def RESULT : I<(outs), (ins variable_ops), [], ".result \t">;
+def LOCAL : I<(outs), (ins variable_ops), [], ".local \t">;
+
+} // Defs = [ARGUMENTS]
//===----------------------------------------------------------------------===//
// Additional sets of instructions.
include "WebAssemblyInstrCall.td"
include "WebAssemblyInstrControl.td"
include "WebAssemblyInstrInteger.td"
-include "WebAssemblyInstrFloat.td"
include "WebAssemblyInstrConv.td"
+include "WebAssemblyInstrFloat.td"
include "WebAssemblyInstrAtomics.td"
include "WebAssemblyInstrSIMD.td"
projects / oota-llvm.git / blobdiff