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 24 void caller_i(void) { 25 int arg1 = 0x12345678; 26 CALL_AS_TYPE(callee_i_Ty, Callee)(arg1); 27 } 28 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 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)(arg1, arg2, arg3, arg4, arg5, 54 arg6, arg7, arg8, arg9, arg10, 55 arg11, arg12); 56 } 57 58 #define HANDLE_ARG(ARGNUM) \ 59 case ARGNUM: \ 60 memcpy(&Buf[0], &arg##ARGNUM, sizeof(arg##ARGNUM)); \ 61 break; 62 63 void __attribute__((noinline)) callee_i(int arg1) { 64 switch (ArgNum) { HANDLE_ARG(1); } 65 } 66 67 void __attribute__((noinline)) 68 callee_vvvvv(v4si32 arg1, v4si32 arg2, v4si32 arg3, v4si32 arg4, v4si32 arg5) { 69 switch (ArgNum) { 70 HANDLE_ARG(1); 71 HANDLE_ARG(2); 72 HANDLE_ARG(3); 73 HANDLE_ARG(4); 74 HANDLE_ARG(5); 75 } 76 } 77 78 void __attribute__((noinline)) 79 callee_vlvilvfvdviv(v4f32 arg1, int64 arg2, v4f32 arg3, int arg4, int64 arg5, 80 v4f32 arg6, float arg7, v4f32 arg8, double arg9, 81 v4f32 arg10, int arg11, v4f32 arg12) { 82 switch (ArgNum) { 83 HANDLE_ARG(1); 84 HANDLE_ARG(3); 85 HANDLE_ARG(6); 86 HANDLE_ARG(8); 87 HANDLE_ARG(10); 88 HANDLE_ARG(12); 89 HANDLE_ARG(2); 90 HANDLE_ARG(4); 91 HANDLE_ARG(5); 92 HANDLE_ARG(7); 93 HANDLE_ARG(9); 94 HANDLE_ARG(11); 95 } 96 } 97