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WebAssembly: handle more than int32 argument/return

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Summary: Also test 64-bit integers, except shifts for now which are broken because isel dislikes the 32-bit truncate that precedes them.

Reviewers: sunfish

Subscribers: llvm-commits, jfb

Differential Revision: http://reviews.llvm.org/D11699

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243822 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
JF Bastien
2015-08-01 04:48:44 +00:00
parent 14ec817aea
commit e428ba798e
8 changed files with 222 additions and 27 deletions
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15
lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp
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@@ -92,10 +92,23 @@ void WebAssemblyAsmPrinter::EmitInstruction(const MachineInstr *MI) {
bool PrintOperands = true;
switch (MI->getOpcode()) {
case WebAssembly::ARGUMENT:
case WebAssembly::ARGUMENT_Int32:
case WebAssembly::ARGUMENT_Int64:
case WebAssembly::ARGUMENT_Float32:
case WebAssembly::ARGUMENT_Float64:
OS << "argument " << MI->getOperand(1).getImm();
PrintOperands = false;
break;
case WebAssembly::RETURN_Int32:
case WebAssembly::RETURN_Int64:
case WebAssembly::RETURN_Float32:
case WebAssembly::RETURN_Float64:
case WebAssembly::RETURN_VOID:
// FIXME This is here only so "return" prints nicely, instead of printing
// the isel name. Other operations have the same problem, fix this in
// a generic way instead.
OS << "return";
break;
default:
OS << TII->getName(MI->getOpcode());
break;

2
lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
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@@ -188,8 +188,6 @@ SDValue WebAssemblyTargetLowering::LowerFormalArguments(
fail(DL, DAG, "WebAssembly hasn't implemented cons regs last arguments");
if (In.Flags.isSplit())
fail(DL, DAG, "WebAssembly hasn't implemented split arguments");
if (In.VT != MVT::i32)
fail(DL, DAG, "WebAssembly hasn't implemented non-i32 arguments");
// FIXME Do something with In.getOrigAlign()?
InVals.push_back(
In.Used

11
lib/Target/WebAssembly/WebAssemblyInstrControl.td
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@@ -25,10 +25,15 @@
* switch: switch statement with fallthrough
*/
multiclass RETURN<WebAssemblyRegClass vt> {
def RETURN_#vt : I<(outs), (ins vt:$val), [(WebAssemblyreturn vt:$val)]>;
}
let hasSideEffects = 1, isReturn = 1, isTerminator = 1, hasCtrlDep = 1,
isBarrier = 1 in {
//FIXME return more than just int32.
def RETURN : I<(outs), (ins Int32:$val), [(WebAssemblyreturn Int32:$val)]>;
def RETURN_VOID : I<(outs), (ins), [(WebAssemblyreturn)]>;
defm : RETURN<Int32>;
defm : RETURN<Int64>;
defm : RETURN<Float32>;
defm : RETURN<Float64>;
def RETURN_VOID : I<(outs), (ins), [(WebAssemblyreturn)]>;
} // hasSideEffects = 1, isReturn = 1, isTerminator = 1, hasCtrlDep = 1,
// isBarrier = 1

10
lib/Target/WebAssembly/WebAssemblyInstrInfo.td
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@@ -55,8 +55,14 @@ def WebAssemblyreturn : SDNode<"WebAssemblyISD::RETURN",
include "WebAssemblyInstrFormats.td"
def ARGUMENT : I<(outs Int32:$res), (ins i32imm:$argno),
[(set Int32:$res, (WebAssemblyargument timm:$argno))]>;
multiclass ARGUMENT<WebAssemblyRegClass vt> {
def ARGUMENT_#vt : I<(outs vt:$res), (ins i32imm:$argno),
[(set vt:$res, (WebAssemblyargument timm:$argno))]>;
}
defm : ARGUMENT<Int32>;
defm : ARGUMENT<Int64>;
defm : ARGUMENT<Float32>;
defm : ARGUMENT<Float64>;
//===----------------------------------------------------------------------===//
// Additional sets of instructions.