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111
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1 /* PR middle-end/21265
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2 Test whether tail call information is propagated through builtin
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3 expanders. */
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4 /* { dg-do compile } */
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5 /* { dg-skip-if "" { { i?86-*-* x86_64-*-* } && { ia32 && { ! nonpic } } } } */
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6 /* { dg-options "-O2" } */
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7
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8 typedef __SIZE_TYPE__ size_t;
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9
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10 #define F(n, rettype, name, args, callargs) \
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11 extern rettype name args; \
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12 rettype test##n args \
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13 { \
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14 return name callargs; \
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15 }
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16 #define F1(n, rettype, name, t1, callargs) \
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17 F (n, rettype, name, (t1 a1), callargs)
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18 #define F2(n, rettype, name, t1, t2, callargs) \
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19 F (n, rettype, name, (t1 a1, t2 a2), callargs)
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20 #define F3(n, rettype, name, t1, t2, t3, callargs) \
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21 F (n, rettype, name, (t1 a1, t2 a2, t3 a3), callargs)
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22
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23 F3 (1a, void *, memcpy, void *, const void *, size_t, (a1, a2, a3))
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24 F3 (1b, void *, memcpy, void *, const void *, size_t, (a1, a2, 10))
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25 F3 (2a, void *, mempcpy, void *, const void *, size_t, (a1, a2, a3))
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26 F3 (2b, void *, mempcpy, void *, const void *, size_t, (a1, a2, 10))
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27 F3 (3a, void *, memmove, void *, const void *, size_t, (a1, a2, a3))
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28 F3 (3b, void *, memmove, void *, const void *, size_t, (a1, "abcdefghijklmno", a3))
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29 F3 (4a, void *, memset, void *, int, size_t, (a1, a2, a3))
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30 F3 (4b, void *, memset, void *, int, size_t, (a1, a2, 156))
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31 F3 (4c, void *, memset, void *, int, size_t, (a1, 0, a3))
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32 F3 (4d, void *, memset, void *, int, size_t, (a1, 0, 10000))
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33 F3 (5a, int, memcmp, const void *, const void *, size_t, (a1, a2, a3))
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34 F3 (5b, int, memcmp, const void *, const void *, size_t, (a1, "abcdefghijkl", a3))
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35 F2 (6, char *, strcpy, char *, const char *, (a1, a2))
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36 F2 (7, char *, stpcpy, char *, const char *, (a1, a2))
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37 F3 (8, char *, strncpy, char *, const char *, size_t, (a1, a2, a3))
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38 F3 (9, char *, stpncpy, char *, const char *, size_t, (a1, a2, a3))
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39 F2 (10, char *, strcat, char *, const char *, (a1, a2))
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40 F3 (11, char *, strncat, char *, const char *, size_t, (a1, a2, a3))
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41 F1 (12a, size_t, strlen, const char *, (a1))
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42 F1 (12b, size_t, strlen, const char *, ("foobar"))
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43 F2 (13a, int, strcmp, const char *, const char *, (a1, a2))
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44 F2 (13b, int, strcmp, const char *, const char *, (a1, "abcdefghijklm"))
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45 F3 (14a, int, strncmp, const char *, const char *, size_t, (a1, a2, a3))
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46 F3 (14b, int, strncmp, const char *, const char *, size_t, (a1, "abcdefghijklm", 10))
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47 F2 (15, char *, strchr, const char *, int, (a1, a2))
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48
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49 /* All the calls above should be tail call optimized on i?86/x86-64. */
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50 /* { dg-final { scan-assembler-not "call" { target i?86-*-linux* i?86-*-gnu* x86_64-*-linux* } } } */
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