1 /* Copyright (C) 2008-2015 Free Software Foundation, Inc. 2 3 This program is free software; you can redistribute it and/or modify 4 it under the terms of the GNU General Public License as published by 5 the Free Software Foundation; either version 3 of the License, or 6 (at your option) any later version. 7 8 This program is distributed in the hope that it will be useful, 9 but WITHOUT ANY WARRANTY; without even the implied warranty of 10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 GNU General Public License for more details. 12 13 You should have received a copy of the GNU General Public License 14 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 15 16 /* This is only ever run if it is compiled with a new-enough GCC, but 17 we don't want the compilation to fail if compiled by some other 18 compiler. */ 19 #ifdef __GNUC__ 20 #define ATTR __attribute__((always_inline)) 21 #else 22 #define ATTR 23 #endif 24 25 int x, y; 26 volatile int result; 27 28 void bar(void); 29 void marker(void); 30 void noinline(void); 31 32 inline ATTR int func1(void) 33 { 34 bar (); 35 return x * y; 36 } 37 38 inline ATTR int func2(void) 39 { 40 return x * func1 (); 41 } 42 43 inline ATTR void func3(void) 44 { 45 bar (); 46 } 47 48 inline ATTR void outer_inline1(void) 49 { 50 noinline (); 51 } 52 53 inline ATTR void outer_inline2(void) 54 { 55 outer_inline1 (); 56 } 57 58 int main (void) 59 { /* start of main */ 60 int val; 61 62 x = 7; 63 y = 8; 64 65 result = func1 (); 66 result = func2 (); 67 marker (); 68 69 result = 0; 70 result = 0; /* set breakpoint 3 here */ 71 72 func1 (); /* first call */ 73 func1 (); /* second call */ 74 marker (); 75 76 result = 0; 77 result = 0; /* set breakpoint 4 here */ 78 79 func1 (); 80 func3 (); 81 marker (); 82 83 result = 0; 84 result = 0; /* set breakpoint 5 here */ 85 86 marker (); 87 func1 (); 88 func3 (); 89 marker (); /* set breakpoint 6 here */ 90 91 outer_inline2 (); 92 93 return 0; 94 } 95