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/// WebAssembly Call operand code-gen constructs.
12///
13//===----------------------------------------------------------------------===//
14
15// TODO: addr64: These currently assume the callee address is 32-bit.
16// FIXME: add $type to first call_indirect asmstr (and maybe $flags)
17
18// Call sequence markers. These have an immediate which represents the amount of
19// stack space to allocate or free, which is used for varargs lowering.
20let Uses = [SP32, SP64], Defs = [SP32, SP64], isCodeGenOnly = 1 in {
21defm ADJCALLSTACKDOWN : NRI<(outs), (ins i32imm:$amt, i32imm:$amt2),
22                            [(WebAssemblycallseq_start timm:$amt, timm:$amt2)]>;
23defm ADJCALLSTACKUP : NRI<(outs), (ins i32imm:$amt, i32imm:$amt2),
24                          [(WebAssemblycallseq_end timm:$amt, timm:$amt2)]>;
25} // isCodeGenOnly = 1
26
27multiclass CALL<WebAssemblyRegClass vt, string prefix> {
28  defm CALL_#vt : I<(outs vt:$dst), (ins function32_op:$callee, variable_ops),
29                    (outs), (ins function32_op:$callee),
30                    [(set vt:$dst, (WebAssemblycall1 (i32 imm:$callee)))],
31                    !strconcat(prefix, "call\t$dst, $callee"),
32                    !strconcat(prefix, "call\t$callee"),
33                    0x10>;
34
35  let isCodeGenOnly = 1 in {
36    defm PCALL_INDIRECT_#vt : I<(outs vt:$dst), (ins I32:$callee, variable_ops),
37                                (outs), (ins I32:$callee),
38                               [(set vt:$dst, (WebAssemblycall1 I32:$callee))],
39                               "PSEUDO CALL INDIRECT\t$callee",
40                               "PSEUDO CALL INDIRECT\t$callee">;
41  } // isCodeGenOnly = 1
42
43  defm CALL_INDIRECT_#vt : I<(outs vt:$dst),
44                             (ins TypeIndex:$type, i32imm:$flags, variable_ops),
45                             (outs), (ins TypeIndex:$type, i32imm:$flags),
46                             [],
47                             !strconcat(prefix, "call_indirect\t$dst"),
48                             !strconcat(prefix, "call_indirect\t$type"),
49                             0x11>;
50}
51
52multiclass SIMD_CALL<ValueType vt, string prefix> {
53
54  defm CALL_#vt : I<(outs V128:$dst), (ins function32_op:$callee, variable_ops),
55                    (outs), (ins function32_op:$callee),
56                    [(set (vt V128:$dst),
57                      (WebAssemblycall1 (i32 imm:$callee)))],
58                    !strconcat(prefix, "call\t$dst, $callee"),
59                    !strconcat(prefix, "call\t$callee"),
60                    0x10>,
61                  Requires<[HasSIMD128]>;
62
63  let isCodeGenOnly = 1 in {
64    defm PCALL_INDIRECT_#vt : I<(outs V128:$dst),
65                                (ins I32:$callee, variable_ops),
66                                (outs), (ins I32:$callee),
67                                [(set (vt V128:$dst),
68                                      (WebAssemblycall1 I32:$callee))],
69                                "PSEUDO CALL INDIRECT\t$callee",
70                                "PSEUDO CALL INDIRECT\t$callee">,
71                              Requires<[HasSIMD128]>;
72  } // isCodeGenOnly = 1
73
74  defm CALL_INDIRECT_#vt : I<(outs V128:$dst),
75                             (ins TypeIndex:$type, i32imm:$flags, variable_ops),
76                             (outs), (ins TypeIndex:$type, i32imm:$flags),
77                             [],
78                             !strconcat(prefix, "call_indirect\t$dst"),
79                             !strconcat(prefix, "call_indirect\t$type"),
80                             0x11>,
81                           Requires<[HasSIMD128]>;
82}
83
84let Uses = [SP32, SP64], isCall = 1 in {
85  defm "" : CALL<I32, "i32.">;
86  defm "" : CALL<I64, "i64.">;
87  defm "" : CALL<F32, "f32.">;
88  defm "" : CALL<F64, "f64.">;
89  defm "" : CALL<EXCEPT_REF, "except_ref.">;
90  defm "" : SIMD_CALL<v16i8, "v128.">;
91  defm "" : SIMD_CALL<v8i16, "v128.">;
92  defm "" : SIMD_CALL<v4i32, "v128.">;
93  defm "" : SIMD_CALL<v2i64, "v128.">;
94  defm "" : SIMD_CALL<v4f32, "v128.">;
95  defm "" : SIMD_CALL<v2f64, "v128.">;
96
97  defm CALL_VOID : I<(outs), (ins function32_op:$callee, variable_ops),
98                     (outs), (ins function32_op:$callee),
99                     [(WebAssemblycall0 (i32 imm:$callee))],
100                     "call    \t$callee", "call\t$callee", 0x10>;
101
102  let isCodeGenOnly = 1 in {
103    defm PCALL_INDIRECT_VOID : I<(outs), (ins I32:$callee, variable_ops),
104                                 (outs), (ins I32:$callee),
105                                 [(WebAssemblycall0 I32:$callee)],
106                                 "PSEUDO CALL INDIRECT\t$callee",
107                                 "PSEUDO CALL INDIRECT\t$callee">;
108  } // isCodeGenOnly = 1
109
110  defm CALL_INDIRECT_VOID : I<(outs),
111                              (ins TypeIndex:$type, i32imm:$flags,
112                                variable_ops),
113                              (outs), (ins TypeIndex:$type, i32imm:$flags),
114                              [],
115                              "call_indirect\t", "call_indirect\t$type",
116                              0x11>;
117} // Uses = [SP32,SP64], isCall = 1
118
119// Patterns for matching a direct call to a global address.
120def : Pat<(i32 (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee))),
121          (CALL_I32 tglobaladdr:$callee)>;
122def : Pat<(i64 (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee))),
123          (CALL_I64 tglobaladdr:$callee)>;
124def : Pat<(f32 (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee))),
125          (CALL_F32 tglobaladdr:$callee)>;
126def : Pat<(f64 (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee))),
127          (CALL_F64 tglobaladdr:$callee)>;
128def : Pat<(v16i8 (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee))),
129          (CALL_v16i8 tglobaladdr:$callee)>, Requires<[HasSIMD128]>;
130def : Pat<(v8i16 (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee))),
131          (CALL_v8i16 tglobaladdr:$callee)>, Requires<[HasSIMD128]>;
132def : Pat<(v4i32 (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee))),
133          (CALL_v4i32 tglobaladdr:$callee)>, Requires<[HasSIMD128]>;
134def : Pat<(v2i64 (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee))),
135          (CALL_v2i64 tglobaladdr:$callee)>, Requires<[HasSIMD128]>;
136def : Pat<(v4f32 (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee))),
137          (CALL_v4f32 tglobaladdr:$callee)>, Requires<[HasSIMD128]>;
138def : Pat<(v2f64 (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee))),
139          (CALL_v2f64 tglobaladdr:$callee)>, Requires<[HasSIMD128]>;
140def : Pat<(ExceptRef
141           (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee))),
142          (CALL_EXCEPT_REF tglobaladdr:$callee)>;
143def : Pat<(WebAssemblycall0 (WebAssemblywrapper tglobaladdr:$callee)),
144          (CALL_VOID tglobaladdr:$callee)>;
145
146// Patterns for matching a direct call to an external symbol.
147def : Pat<(i32 (WebAssemblycall1 (WebAssemblywrapper texternalsym:$callee))),
148          (CALL_I32 texternalsym:$callee)>;
149def : Pat<(i64 (WebAssemblycall1 (WebAssemblywrapper texternalsym:$callee))),
150          (CALL_I64 texternalsym:$callee)>;
151def : Pat<(f32 (WebAssemblycall1 (WebAssemblywrapper texternalsym:$callee))),
152          (CALL_F32 texternalsym:$callee)>;
153def : Pat<(f64 (WebAssemblycall1 (WebAssemblywrapper texternalsym:$callee))),
154          (CALL_F64 texternalsym:$callee)>;
155def : Pat<(v16i8 (WebAssemblycall1 (WebAssemblywrapper texternalsym:$callee))),
156          (CALL_v16i8 texternalsym:$callee)>, Requires<[HasSIMD128]>;
157def : Pat<(v8i16 (WebAssemblycall1 (WebAssemblywrapper texternalsym:$callee))),
158          (CALL_v8i16 texternalsym:$callee)>, Requires<[HasSIMD128]>;
159def : Pat<(v4i32 (WebAssemblycall1 (WebAssemblywrapper texternalsym:$callee))),
160          (CALL_v4i32 texternalsym:$callee)>, Requires<[HasSIMD128]>;
161def : Pat<(v2i64 (WebAssemblycall1 (WebAssemblywrapper texternalsym:$callee))),
162          (CALL_v2i64 texternalsym:$callee)>, Requires<[HasSIMD128]>;
163def : Pat<(v4f32 (WebAssemblycall1 (WebAssemblywrapper texternalsym:$callee))),
164          (CALL_v4f32 texternalsym:$callee)>, Requires<[HasSIMD128]>;
165def : Pat<(v2f64 (WebAssemblycall1 (WebAssemblywrapper texternalsym:$callee))),
166          (CALL_v2f64 texternalsym:$callee)>, Requires<[HasSIMD128]>;
167def : Pat<(ExceptRef
168           (WebAssemblycall1 (WebAssemblywrapper texternalsym:$callee))),
169          (CALL_EXCEPT_REF texternalsym:$callee)>;
170def : Pat<(WebAssemblycall0 (WebAssemblywrapper texternalsym:$callee)),
171          (CALL_VOID texternalsym:$callee)>;
172