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[WebAssembly] Use 'I' multiclass template for br_table (NFC) 

Summary:
We don't need to explicitly use `NI` anymore because we now don't use
`let` statements within the definitions.

Reviewers: aardappel

Subscribers: dschuff, sbc100, jgravelle-google, sunfish, llvm-commits

Differential Revision: https://reviews.llvm.org/D56376

llvm-svn: 350594
This commit is contained in:
Heejin Ahn 2019-01-08 01:15:15 +00:00
parent ae6f1e07fc
commit 8e2bac8e7f
1 changed files with 12 additions and 22 deletions
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30
llvm/lib/Target/WebAssembly/WebAssemblyInstrControl.td
View File

@ -48,27 +48,17 @@ def brlist : Operand<i32> {
// TODO: SelectionDAG's lowering insists on using a pointer as the index for
// jump tables, so in practice we don't ever use BR_TABLE_I64 in wasm32 mode
// currently.
// FIXME: this can't inherit from I<> since there is no way to inherit from a
// multiclass and still have the let statements.
let isTerminator = 1, hasCtrlDep = 1, isBarrier = 1 in {
let isCodeGenOnly = 1 in
def BR_TABLE_I32 : NI<(outs), (ins I32:$index, variable_ops),
[(WebAssemblybr_table I32:$index)], "false",
"br_table \t$index", 0x0e> {
}
let BaseName = "BR_TABLE_I32" in
def BR_TABLE_I32_S : NI<(outs), (ins brlist:$brl), [], "true",
"br_table \t$brl", 0x0e> {
}
let isCodeGenOnly = 1 in
def BR_TABLE_I64 : NI<(outs), (ins I64:$index, variable_ops),
[(WebAssemblybr_table I64:$index)], "false",
"br_table \t$index"> {
}
let BaseName = "BR_TABLE_I64" in
def BR_TABLE_I64_S : NI<(outs), (ins brlist:$brl), [], "true",
"br_table \t$brl"> {
}
defm BR_TABLE_I32 : I<(outs), (ins I32:$index, variable_ops),
(outs), (ins brlist:$brl),
[(WebAssemblybr_table I32:$index)],
"br_table \t$index", "br_table \t$brl",
0x0e>;
defm BR_TABLE_I64 : I<(outs), (ins I64:$index, variable_ops),
(outs), (ins brlist:$brl),
[(WebAssemblybr_table I64:$index)],
"br_table \t$index", "br_table \t$brl",
0x0e>;
} // isTerminator = 1, hasCtrlDep = 1, isBarrier = 1
// This is technically a control-flow instruction, since all it affects is the