1 //===- subzero/crosstest/test_calling_conv.cpp - Implementation for tests -===//
2 //
3 // The Subzero Code Generator
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file defines the test functions used to check that Subzero
11 // generates code compatible with the calling convention used by
12 // llc. "Caller" functions test the handling of out-args, and "callee"
13 // functions test the handling of in-args.
14 //
15 //===----------------------------------------------------------------------===//
16
17 #include <cstring>
18
19 #include "test_calling_conv.h"
20 #include "xdefs.h"
21
22 #define CALL_AS_TYPE(Ty, Func) (reinterpret_cast<Ty *>(Func))
23
caller_i(void)24 void caller_i(void) {
25 int arg1 = 0x12345678;
26 CALL_AS_TYPE(callee_i_Ty, Callee)(arg1);
27 }
28
caller_vvvvv(void)29 void caller_vvvvv(void) {
30 v4si32 arg1 = {0, 1, 2, 3};
31 v4si32 arg2 = {4, 5, 6, 7};
32 v4si32 arg3 = {8, 9, 10, 11};
33 v4si32 arg4 = {12, 13, 14, 15};
34 v4si32 arg5 = {16, 17, 18, 19};
35
36 CALL_AS_TYPE(callee_vvvvv_Ty, Callee)(arg1, arg2, arg3, arg4, arg5);
37 }
38
caller_vlvilvfvdviv(void)39 void caller_vlvilvfvdviv(void) {
40 v4f32 arg1 = {0, 1, 2, 3};
41 int64 arg2 = 4;
42 v4f32 arg3 = {6, 7, 8, 9};
43 int arg4 = 10;
44 int64 arg5 = 11;
45 v4f32 arg6 = {12, 13, 14, 15};
46 float arg7 = 16;
47 v4f32 arg8 = {17, 18, 19, 20};
48 double arg9 = 21;
49 v4f32 arg10 = {22, 23, 24, 25};
50 int arg11 = 26;
51 v4f32 arg12 = {27, 28, 29, 30};
52
53 CALL_AS_TYPE(callee_vlvilvfvdviv_Ty, Callee)
54 (arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12);
55 }
56
57 #define HANDLE_ARG(ARGNUM) \
58 case ARGNUM: \
59 memcpy(&Buf[0], &arg##ARGNUM, sizeof(arg##ARGNUM)); \
60 break;
61
callee_i(int arg1)62 void __attribute__((noinline)) callee_i(int arg1) {
63 switch (ArgNum) { HANDLE_ARG(1); }
64 }
65
66 void __attribute__((noinline))
callee_vvvvv(v4si32 arg1,v4si32 arg2,v4si32 arg3,v4si32 arg4,v4si32 arg5)67 callee_vvvvv(v4si32 arg1, v4si32 arg2, v4si32 arg3, v4si32 arg4, v4si32 arg5) {
68 switch (ArgNum) {
69 HANDLE_ARG(1);
70 HANDLE_ARG(2);
71 HANDLE_ARG(3);
72 HANDLE_ARG(4);
73 HANDLE_ARG(5);
74 }
75 }
76
77 void __attribute__((noinline))
callee_vlvilvfvdviv(v4f32 arg1,int64 arg2,v4f32 arg3,int arg4,int64 arg5,v4f32 arg6,float arg7,v4f32 arg8,double arg9,v4f32 arg10,int arg11,v4f32 arg12)78 callee_vlvilvfvdviv(v4f32 arg1, int64 arg2, v4f32 arg3, int arg4, int64 arg5,
79 v4f32 arg6, float arg7, v4f32 arg8, double arg9,
80 v4f32 arg10, int arg11, v4f32 arg12) {
81 switch (ArgNum) {
82 HANDLE_ARG(1);
83 HANDLE_ARG(3);
84 HANDLE_ARG(6);
85 HANDLE_ARG(8);
86 HANDLE_ARG(10);
87 HANDLE_ARG(12);
88 HANDLE_ARG(2);
89 HANDLE_ARG(4);
90 HANDLE_ARG(5);
91 HANDLE_ARG(7);
92 HANDLE_ARG(9);
93 HANDLE_ARG(11);
94 }
95 }
96