1//===- WebAssemblyInstrCall.td-WebAssembly Call codegen support -*- tablegen -*-
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9///
10/// \file
11/// \brief WebAssembly Call operand code-gen constructs.
12///
13//===----------------------------------------------------------------------===//
14
15// TODO: addr64: These currently assume the callee address is 32-bit.
16
17let Defs = [ARGUMENTS] in {
18
19// Call sequence markers. These have an immediate which represents the amount of
20// stack space to allocate or free, which is used for varargs lowering.
21let Uses = [SP32, SP64], Defs = [SP32, SP64], isCodeGenOnly = 1 in {
22def ADJCALLSTACKDOWN : I<(outs), (ins i32imm:$amt),
23                         [(WebAssemblycallseq_start timm:$amt)]>;
24def ADJCALLSTACKUP : I<(outs), (ins i32imm:$amt, i32imm:$amt2),
25                       [(WebAssemblycallseq_end timm:$amt, timm:$amt2)]>;
26} // isCodeGenOnly = 1
27
28multiclass CALL<WebAssemblyRegClass vt, string prefix> {
29  def CALL_#vt : I<(outs vt:$dst), (ins function32_op:$callee, variable_ops),
30                   [(set vt:$dst, (WebAssemblycall1 (i32 imm:$callee)))],
31                   !strconcat(prefix, "call\t$dst, $callee"),
32                   0x10>;
33  let isCodeGenOnly = 1 in {
34    def PCALL_INDIRECT_#vt : I<(outs vt:$dst), (ins I32:$callee, variable_ops),
35                              [(set vt:$dst, (WebAssemblycall1 I32:$callee))],
36                              "PSEUDO CALL INDIRECT\t$callee">;
37  } // isCodeGenOnly = 1
38
39  def CALL_INDIRECT_#vt : I<(outs vt:$dst), (ins i32imm:$flags, variable_ops),
40                            [],
41                            !strconcat(prefix, "call_indirect\t$dst"),
42                            0x11>;
43}
44
45multiclass SIMD_CALL<ValueType vt, string prefix> {
46  def CALL_#vt : SIMD_I<(outs V128:$dst), (ins function32_op:$callee, variable_ops),
47                         [(set (vt V128:$dst),
48                               (WebAssemblycall1 (i32 imm:$callee)))],
49                         !strconcat(prefix, "call\t$dst, $callee"),
50                         0x10>;
51  let isCodeGenOnly = 1 in {
52    def PCALL_INDIRECT_#vt : SIMD_I<(outs V128:$dst),
53                                    (ins I32:$callee, variable_ops),
54                                    [(set (vt V128:$dst),
55                                          (WebAssemblycall1 I32:$callee))],
56                                    "PSEUDO CALL INDIRECT\t$callee">;
57  } // isCodeGenOnly = 1
58
59  def CALL_INDIRECT_#vt : SIMD_I<(outs V128:$dst),
60                                  (ins i32imm:$flags, variable_ops),
61                                  [],
62                                  !strconcat(prefix, "call_indirect\t$dst"),
63                                  0x11>;
64}
65
66let Uses = [SP32, SP64], isCall = 1 in {
67  defm : CALL<I32, "i32.">;
68  defm : CALL<I64, "i64.">;
69  defm : CALL<F32, "f32.">;
70  defm : CALL<F64, "f64.">;
71  defm : SIMD_CALL<v16i8, "i8x16.">;
72  defm : SIMD_CALL<v8i16, "i16x8.">;
73  defm : SIMD_CALL<v4i32, "i32x4.">;
74  defm : SIMD_CALL<v4f32, "f32x4.">;
75
76  def CALL_VOID : I<(outs), (ins function32_op:$callee, variable_ops),
77                    [(WebAssemblycall0 (i32 imm:$callee))],
78                    "call    \t$callee", 0x10>;
79  let isCodeGenOnly = 1 in {
80    def PCALL_INDIRECT_VOID : I<(outs), (ins I32:$callee, variable_ops),
81                      [(WebAssemblycall0 I32:$callee)],
82                      "PSEUDO CALL INDIRECT\t$callee">;
83  } // isCodeGenOnly = 1
84
85  def CALL_INDIRECT_VOID : I<(outs), (ins i32imm:$flags, variable_ops),
86                             [],
87                             "call_indirect\t", 0x11>;
88} // Uses = [SP32,SP64], isCall = 1
89
90} // Defs = [ARGUMENTS]
91
92// Patterns for matching a direct call to a global address.
93def : Pat<(i32 (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee))),
94          (CALL_I32 tglobaladdr:$callee)>;
95def : Pat<(i64 (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee))),
96          (CALL_I64 tglobaladdr:$callee)>;
97def : Pat<(f32 (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee))),
98          (CALL_F32 tglobaladdr:$callee)>;
99def : Pat<(f64 (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee))),
100          (CALL_F64 tglobaladdr:$callee)>;
101def : Pat<(v16i8 (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee))),
102          (CALL_v16i8 tglobaladdr:$callee)>, Requires<[HasSIMD128]>;
103def : Pat<(v8i16 (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee))),
104          (CALL_v8i16 tglobaladdr:$callee)>, Requires<[HasSIMD128]>;
105def : Pat<(v4i32 (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee))),
106          (CALL_v4i32 tglobaladdr:$callee)>, Requires<[HasSIMD128]>;
107def : Pat<(v4f32 (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee))),
108          (CALL_v4f32 tglobaladdr:$callee)>, Requires<[HasSIMD128]>;
109def : Pat<(WebAssemblycall0 (WebAssemblywrapper tglobaladdr:$callee)),
110          (CALL_VOID tglobaladdr:$callee)>;
111
112// Patterns for matching a direct call to an external symbol.
113def : Pat<(i32 (WebAssemblycall1 (WebAssemblywrapper texternalsym:$callee))),
114          (CALL_I32 texternalsym:$callee)>;
115def : Pat<(i64 (WebAssemblycall1 (WebAssemblywrapper texternalsym:$callee))),
116          (CALL_I64 texternalsym:$callee)>;
117def : Pat<(f32 (WebAssemblycall1 (WebAssemblywrapper texternalsym:$callee))),
118          (CALL_F32 texternalsym:$callee)>;
119def : Pat<(f64 (WebAssemblycall1 (WebAssemblywrapper texternalsym:$callee))),
120          (CALL_F64 texternalsym:$callee)>;
121def : Pat<(v16i8 (WebAssemblycall1 (WebAssemblywrapper texternalsym:$callee))),
122          (CALL_v16i8 texternalsym:$callee)>, Requires<[HasSIMD128]>;
123def : Pat<(v8i16 (WebAssemblycall1 (WebAssemblywrapper texternalsym:$callee))),
124          (CALL_v8i16 texternalsym:$callee)>, Requires<[HasSIMD128]>;
125def : Pat<(v4i32 (WebAssemblycall1 (WebAssemblywrapper texternalsym:$callee))),
126          (CALL_v4i32 texternalsym:$callee)>, Requires<[HasSIMD128]>;
127def : Pat<(v4f32 (WebAssemblycall1 (WebAssemblywrapper texternalsym:$callee))),
128          (CALL_v4f32 texternalsym:$callee)>, Requires<[HasSIMD128]>;
129def : Pat<(WebAssemblycall0 (WebAssemblywrapper texternalsym:$callee)),
130          (CALL_VOID texternalsym:$callee)>;
131